MARS 2 Operating Table Service Manual Translation of the original German service manual CE mark: This is a Class I medical product according to the European Medical Device Directive (MDD 93/42/EEC) and is compliant with the Directive version currently in force at the time of product sale. Conformity: The manufacturer declares conformity of this product with the essential requirements indicated in Appendix I, MDD, as well as the performance of a conformity evaluation procedure required for class I products according to Appendix VII, MDD and has documented such with the CE mark. Manufacturer and distributor TRUMPF Medizin Systeme GmbH + Co. KG Carl–Zeiss–Straße 7–9 07318 Saalfeld Germany www.trumpf.com Distribution TRUMPF Medizin Systeme GmbH + Co. KG Carl–Zeiss–Straße 7–9 07318 Saalfeld Germany Telephone +49 3671 586–0 Fax +49 3671 586–41166 Technical Telephone +49 3671 586–0 Customer Service Fax +49 3671 586–41175 E-mail Service.med@de.trumpf.com We are constantly developing our products. We therefore reserve the right to make changes to the scope of the delivery with respect to the format, equipment and technology at any time. Reprinting, copying or translating this document, in whole or in part, is forbidden without the express written permission of TRUMPF Medizin Systeme GmbH + Co. KG! All rights under the copyright laws are expressly reserved by TRUMPF Medizin Systeme GmbH + Co. KG. Within the bounds of the legal requirements, the manufacturer is only then responsible for the technical safety characteristics of this apparatus if the maintenance, repairs and modifications to this apparatus are performed by him or by someone appointed by him and in accordance with his instructions. © TRUMPF Medizin Systeme GmbH + Co. KG Revision level: 2013–09–19 This User Manual applies to the following sales units: Service Manual MARS 2 – 1 435 274 – 09/2013 Designation Item no. MARS 2.01 operating table 1380094 MARS 2.01 115 operating table 1502693 MARS 2.01 M operating table 1429728 MARS 2.01 T operating table 1429737 MARS 2.01 T 115 operating table 1502720 MARS 2.01 operating table 0387610 MARS 2.01 S operating table 0387611 MARS 2.01 V operating table 0387612 MARS 2.02 operating table 1380095 MARS 2.02 115 operating table 1502694 MARS 2.02 M operating table 1429729 MARS 2.02 T operating table 1429739 MARS 2.02 T 115 operating table 1502721 MARS 2.02 operating table 0387620 MARS 2.02 S operating table 0387621 MARS 2.02 V operating table 0387622 MARS 2.03 operating table 1380096 MARS 2.03 115 operating table 1502695 MARS 2.03 M operating table 1429730 MARS 2.03 T operating table 1429740 MARS 2.03 T 115 operating table 1502722 MARS 2.03 operating table 0387630 MARS 2.03 S operating table 0387631 MARS 2.03 V operating table 0387632 MARS 2.04 operating table 1380097 MARS 2.04 115 operating table 1502696 MARS 2.04 M operating table 1429731 MARS 2.04 T operating table 1429741 MARS 2.04 T 115 operating table 1502726 MARS 2.04 operating table 0387640 MARS 2.04 S operating table 0387641 MARS 2.04 V operating table 0387642 MARS 2.05 operating table 1380198 MARS 2.05 115 operating table 1502697 Designation Item no. MARS 2.05 M operating table 1429732 MARS 2.05 T operating table 1429742 MARS 2.05 T 115 operating table 1502727 MARS 2.05 operating table 0387650 MARS 2.05 S operating table 0387651 MARS 2.05 V operating table 0387652 MARS 2.06 operating table 1380199 MARS 2.06 115 operating table 1502698 MARS 2.06 M operating table 1429736 MARS 2.06 T operating table 1429733 MARS 2.06 T 115 operating table 1502728 MARS 2.06 operating table 0387660 MARS 2.06 S operating table 0387661 MARS 2.06 V operating table 0387662 MARS 2.07 operating table 1380200 MARS 2.07 115 operating table 1502699 MARS 2.07 M operating table 1421057 MARS 2.07 T operating table 1429734 MARS 2.07 T 115 operating table 1502729 MARS 2.08 operating table 1380201 MARS 2.08 T operating table 1429735 MARS 2.11 operating table 1645537 MARS 2.11 115 operating table 1687504 MARS 2.11 T operating table 1645538 MARS 2.11 T 115 operating table 1687506 MARS 2.11 operating table 0387690 MARS 2.11 S operating table 0387691 MARS 2.11 V operating table 0387692 Cable remote control MARS 2 BM *1 Cable remote control MARS 2 BE *2 1416569 1411554 Cable remote control MARS 2 BE U *3 1416568 Cable remote control MARS 2 FA *4 1409407 IR remote control MARS 2 BM *1 IR remote control MARS 2 BE *2 IR remote control MARS 2 BE U 1416572 1411553 *3 1416571 Service Manual MARS 2 – 1 435 274 – 09/2013 Designation Item no. IR remote control MARS 2 FA *4 1409406 Charging unit mobile 230 4544122 Charging unit mobile 115 4500122 Wall-fitting charging unit 230 4544123 Wall-fitting charging unit 115 4500123 Wall-fitting charging unit 24 4544139 Charging unit IR DVE 230 1314349 Charging unit IR DVE 115 1283947 Charging unit, panel mounted 1220519 *1 *2 *3 *4 Service Manual MARS 2 – 1 435 274 – 09/2013 for MARS 2.01/2.02 operating table for MARS 2.03/2.05/2.07 operating table for MARS 2.08 operating table for MARS 2.04/2.06/2.11 operating table Service Manual MARS 2 – 1 435 274 – 09/2013 Contents Contents 1 1.1 1.2 1.3 1.4 1.5 1.5.1 1.5.2 1.5.3 1.6 Important Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Explanation of symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Liability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Scrap disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Protection against infection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Environmental protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2 Inspection Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3 3.1 3.2 3.3 Preparatory Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Repair site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tools, measuring instruments, equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Emergency Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 5.14 5.15 5.15.1 5.15.2 5.15.3 5.16 5.17 5.18 5.19 5.20 5.21 Repair Guide for the Column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Remove the power from the operating table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Metal covers (without membrane keyboard) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Metal cover with membrane keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Head cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Expansion bellows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connection unit’s operating unit, head end (MARS 2.01-2.06, MARS 2.11) . . Connection unit’s operating unit, head end (MARS 2.07/2.08) . . . . . . . . . . . . Connection unit’s operating unit, foot end (MARS 2.02-2.06, MARS 2.11) . . . Connection unit’s operating unit, foot end (MARS 2.07/2.08). . . . . . . . . . . . . . Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switching relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Membrane keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Motors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lifting motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trendelenburg motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tilting motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lift drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Toothed belt (main drive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lifting unit limit switches, MARS 2.03 to 2.08, MARS 2.11 . . . . . . . . . . . . . . . . . Trendelenburg limit switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Energy chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 6.1 Repair Guide for the Tabletop MARS 2.01-2.06, MARS 2.11 . . . . . . . . . . . 62 Plastic plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Service Manual MARS 2 – 1 435 274 – 09/2013 12 12 12 13 15 15 16 17 19 21 23 26 28 30 32 34 35 36 37 39 39 42 45 48 52 53 55 57 60 1 Contents 2 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 6.11 6.12 6.13 6.14 6.15 6.16 6.17 6.18 6.19 6.20 6.21 6.22 6.23 6.24 6.25 Leg section (LS) gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 Leg section (LS) motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67 Leg section (LS) toothed belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 Leg section (LS) joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74 Back section (BS) gearbox (MARS 2.01-2.06) . . . . . . . . . . . . . . . . . . . . . . . . . . .76 Back section (BS) gearbox (MARS 2.11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 Back section (BS) motor (MARS 2.01-2.06) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 Back section (BS) motor (MARS 2.11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86 Back section (BS) toothed belt (MARS 2.01-2.06) . . . . . . . . . . . . . . . . . . . . . . . .89 Back section (BS) toothed belt (MARS 2.11). . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 Back section (BS) joint and its components (MARS 2.01-2.06) . . . . . . . . . . . . . .95 Back section (BS) joint (MARS 2.11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 Back section strut (MARS 2.01-2.06) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Energy chain (not MARS 2.01) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 Locking unit (not MARS 2.01) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 Distributor board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Longitudinal displacement (LD) microbutton (not MARS 2.01) . . . . . . . . . . . . . 110 OR adapter sensor MARS 2.01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 OR adapter sensor (not MARS 2.01) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 Leg section (LS) END sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Back section (BS) END sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Leg section (LS) reference (REF) sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Back section (BS) reference (REF) sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 Leg section (LS) -35° END sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 7.11 7.12 7.13 7.14 7.15 7.16 7.17 7.18 7.19 7.20 Repair Guide for the Tabletop MARS 2.07/2.08. . . . . . . . . . . . . . . . . . . . . Plastic plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back section (BS) gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back section (BS) motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back section (BS) toothed belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back section (BS) joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seat section extension (SSE) gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seat section extension (SSE) motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seat section extension (SSE) toothed belt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seat section extension (SSE) strut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Energy chain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Locking unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Distributor board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Longitudinal displacement (LD) microbutton . . . . . . . . . . . . . . . . . . . . . . . . . . . . OR adapter sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seat section extension (SSE) END sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back section (BS) END sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seat section extension (SSE) reference (REF) sensor . . . . . . . . . . . . . . . . . . . . . Back section (BS) reference (REF) sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seat section extension (SSE) -75° END sensor . . . . . . . . . . . . . . . . . . . . . . . . . Back section (BS) -55° END sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8.1 Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 Trendelenburg limit switch group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 131 131 132 136 139 143 145 148 151 154 157 159 162 165 168 170 173 177 180 183 186 Service Manual MARS 2 – 1 435 274 – 09/2013 Contents 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 Inclination sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 Leg section (LS) END sensor (MARS 2.01-2.06, MARS 2.11) . . . . . . . . . . . . . 192 Back section (BS) END sensor (MARS 2.01-2.06, MARS 2.11) . . . . . . . . . . . 193 Seat section extension (SSE) END sensor (MARS 2.07/2.08) . . . . . . . . . . . . . 194 Back section (BS) END sensor (MARS 2.07/2.08). . . . . . . . . . . . . . . . . . . . . . 195 Leg section (LS) reference (REF) sensor (MARS 2.01-2.06, MARS 2.11). . . . . 196 Back section (BS) reference (REF) sensor (MARS 2.01-2.06, MARS 2.11) . . . 197 Seat section extension (SSE) reference (REF) sensor (MARS 2.07/2.08) . . . . 198 Back section (BS) reference (REF) sensor (MARS 2.07/2.08) . . . . . . . . . . . . . 199 Leg section (LS) -35° END sensor (MARS 2.01-2.06, MARS 2.11). . . . . . . . . 200 Seat section extension (SSE) -75° END sensor (MARS 2.07/2.08) . . . . . . . . 201 Back section (BS) -55° END sensor (MARS 2.07/2.08) . . . . . . . . . . . . . . . . . 202 9 9.1 9.2 9.3 “Service tool” PC software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Configure the electronic unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Copying the parameters for the electronic unit . . . . . . . . . . . . . . . . . . . . . . . . . . Data for the electronic unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 10.11 10.12 10.13 10.14 10.15 10.16 10.17 10.18 10.19 10.20 10.21 10.22 10.23 10.24 10.25 10.26 Repair Guide for the Running Gear. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Batteries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Mains socket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208 Power supply fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209 Battery fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 Castor with locking device MARS 2.01/2.02 . . . . . . . . . . . . . . . . . . . . . . . . . . 211 Castor with locking device MARS 2.03/2.05/2.07/2.08 . . . . . . . . . . . . . . . 213 Front castor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 Rear castor MARS 2.01/2.02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 Rear castor MARS 2.03 to 2.08, MARS 2.11 . . . . . . . . . . . . . . . . . . . . . . . . . . 219 Brake Bowden cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Directional travel Bowden cable MARS 2.01/2.02 . . . . . . . . . . . . . . . . . . . . . 223 Directional travel Bowden cable MARS 2.03/2.05/2.07/2.08 . . . . . . . . . . 225 Directional travel Bowden cable MARS 2.04/2.06/2.11 . . . . . . . . . . . . . . . . 227 Directional travel switch cable MARS 2.03/2.05/2.07/2.08 . . . . . . . . . . . . 231 Foot lever MARS 2.01/2.02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 Rest cam MARS 2.01/2.02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 Gas-filled spring device MARS 2.01/2.02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237 Jacking up switch MARS 2.01/2.02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Jacking up switch cable MARS 2.01/2.02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Jacking unit MARS 2.03 to 2.08, MARS 2.11 . . . . . . . . . . . . . . . . . . . . . . . . . . 243 Hall sensor circuit board MARS 2.03 to 2.08, MARS 2.11 . . . . . . . . . . . . . . . 247 Travelling drive MARS 2.04/2.06/2.11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 Toothed belt travelling drive MARS 2.04/2.06/2.11. . . . . . . . . . . . . . . . . . . . 253 Drive roller MARS 2.04/2.06/2.11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Travelling drive motor MARS 2.04/2.06/2.11. . . . . . . . . . . . . . . . . . . . . . . . . 256 Gas-filled spring device MARS 2.04/2.06/2.11 . . . . . . . . . . . . . . . . . . . . . . . 257 11 11.1 11.2 Additional Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Cable Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Infrared Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Service Manual MARS 2 – 1 435 274 – 09/2013 203 203 204 205 3 Contents 4 11.3 Charging Unit for IR Remote Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 12 Components with Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 13 13.1 13.2 13.3 13.3.1 13.3.2 13.3.3 Maintenance and Repair. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance protocol contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . List of parts subject to wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lubrication plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tabletop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Running gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Circuit Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 15 Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275 266 266 268 269 269 270 272 Service Manual MARS 2 – 1 435 274 – 09/2013 Important Information 1 Important Information 1.1 General information Repairs may only be carried out by TRUMPF service technicians or by persons trained and authorized by TRUMPF. Please follow these instructions exactly, and follow all the specified repair steps. We would be grateful to receive any corrections to the description of the repair or suggestions for improving the efficiency of the repair. Only perform those repairs and settings described in these instructions, or those which you have been trained to do. Repairs not described in these instructions may only be made after consultation with TRUMPF Technical Customer Service or by TRUMPF themselves. Unauthorized and provisional repairs are not permitted, even if a customer asks for them. All applicable laws, legal regulations and standards must be observed and complied with. Only use original spare parts specified by TRUMPF as spare parts. Replace all defective parts and those which are not clearly in good working order with original spare parts, including those parts going beyond the repair order. After repairs have been completed, return all cables to their original positions, make sure that there are no points where cables are subject to shear stresses or crushing. After every repair, check all electrical connections again against the circuit diagram before making a functional test. A functional check/test must be made after all repairs and settings as required by these instructions or applicable standards. Check the positions of the cables again during and after motion sequences. Only hand the device over to the customer after it has been tested and found to be in full working order. The handover must be made in writing with confirmation by the customer. The functional condition must be demonstrated to the customer. Please refer to the user manual for the intended use and operation of the operating table. Service Manual MARS 2 – 1 435 274 – 09/2013 5 Important Information Please contact our Technical Customer Service in Saalfeld if you have any questions or suggestions. TRUMPF Medizin Systeme GmbH + Co. KG Technical Customer Service Carl–Zeiss–Straße 7–9 07318 Saalfeld Germany 1.2 Telephone +49 3671 586–0 Fax +49 3671 586–41175 e-mail Service.med@de.trumpf.com Internet www.trumpf.com Explanation of symbols Important information in this repair manual is marked with symbols and keywords. Keywords such as DANGER, WARNING or CAUTION indicate the level of danger involved. The symbols emphasise the message visually. Additional symbols can indicate injury hazards or danger to life and limb. The measures to prevent danger arising must be implemented without fail. DANGER Danger to life and limb (for example electric shock)! Notice indicating an immediately impending hazard which will cause death or serious injuries if the appropriate precautionary measures are not taken. WARNING Danger to life and limb! Notice indicating an immediately impending hazard which may cause death or serious injuries if the appropriate precautionary measures are not taken. CAUTION Risk of injuries (for example a risk of crushing)! Notice indicating a possible hazard which may cause slight or moderately severe injuries or property damage if the appropriate precautionary measures are not taken. 6 Service Manual MARS 2 – 1 435 274 – 09/2013 Important Information CAUTION Risk of material damage. Notice indicating a possible hazard which may cause property damage if the appropriate precautionary measures are not taken. NOTE Useful additional information and tips TEST Performance of functional tests, measurements and tests. ENVIRONMENT Notes concerning disposal in ways which do not harm the environment. 1.3 Liability TRUMPF Medizin Systeme GmbH + Co. KG IS LIABLE ONLY for reliable and proper functionality of the operating table IF: • assembly, modification, and repairs are performed by TRUMPF service technicians or by TRUMPF-authorised, -trained and -certified personnel. • the operating table has been properly used, as per the MARS 2 Operating Table instruction manual 1.4 Scrap disposal Operating table, accessories and packaging must be recycled in an environmentally friendly fashion. Disposal, including that of individual parts, must be environmentally friendly, i. e., in accordance with the legal regulations currently in force. For information on properly disposing of old equipment, please contact either Technical Customer Service at TRUMPF, your local sales representative or the appropriate federal agency. TRUMPF Medizin Systeme GmbH + Co. KG will take back your old equipment or products that are defective or no longer used. Please contact Technical Customer Service in Saalfeld for more information. Return rechargeable batteries that are no longer useable to TRUMPF or your local sales representative for environmentally friendly disposal. Service Manual MARS 2 – 1 435 274 – 09/2013 7 Important Information 1.5 Safety instructions 1.5.1 General information • Clothing must be worn in such a way that it cannot get caught in machinery etc. Button or roll up the sleeves of shirts and jackets. Tie long hair together or tie it up. Tuck the ends of scarves, ties and shawls into the clothing or secure them. Loose clothing can be a source of danger. Wear protective goggles when doing work that could endanger the eyes (e. g. soldering work, removing springs or securing devices under tension, knocking pins and similar parts in and out). • Do not perform any actions that could endanger persons or could render the device a source of danger. • Casings and other parts of devices that are removed during work must be put in a safe place. Always put tools and dismounted parts in places where no one could trip or fall over them. Any nuts, bolts or other small parts that fall into column modules must be removed. Keep the area around the device clean and tidy during and after repair work. • After finishing the work, replace or renew all protective devices, such as: - covers - cable binders, cable holders - cable shieldings - ground and potential equalization connections - ground connections. Check that the potential equalization and grounding lines have been connected according to the currently valid standards. • Only use solid rosin flux for brazing work. • Bolts and screws with an M4 or larger thread must be fixated with medium strength screw fixing lacquer (red). 8 Service Manual MARS 2 – 1 435 274 – 09/2013 Important Information 1.5.2 Protection against infection • Danger of infection in the entire hospital. Comply with all safety measures, rules of conduct and hygiene requirements. Comply with the requirements of the medical facility for protection against infection. • Only perform maintenance and repair work on disinfected operating tables. The disinfection is carried out by the medical facility. • Only perform work in the operating area with the corresponding authorization. • Consult a doctor immediately any health problems occur. Tell your doctor that you have been working in hazardous areas, even several months later. Preventative measures • Ask your doctor about possible hazards and protective measures against them in your work as a service technician. • After obtaining medical advice, have yourself inoculated against hepatitis B. Have a booster inoculation every 3 to 5 years. The incubation period for hepatitis B ranges from one to six months. 1.5.3 Environmental protection • Materials must be disposed of in an environmentally compatible way, and in accordance with the nationally applicable disposal guidelines. • Comply with the recycling obligations for dismounted components, in particular for: - batteries - circuit boards - cables Service Manual MARS 2 – 1 435 274 – 09/2013 9 Important Information 1.6 Glossary The following terms and abbreviations are used in this repair manual: BS Back section LS Leg section SS Seat section SSE Seat section extension LD Longitudinal displacement SP Spare part IR Infrared RC Remote control Head end Back section joint end (battery compartment) Foot end Leg section joint end (power socket) Right side MARS 2.01 - 2.06, MARS 2.11 Side of operating table without membrane keypad MARS 2.07/2.08 Side of operating table with membrane keypad Left side MARS 2.01 - 2.06, MARS 2.11 Side of operating table with membrane keypad MARS 2.07/2.08 Side of operating table without membrane keypad 10 Service Manual MARS 2 – 1 435 274 – 09/2013 Inspection Requirements 2 Inspection Requirements As the medical products from TRUMPF Medizin Systeme GmbH + Co. KG are distributed worldwide, uniform guidelines for electrical retesting should be used. According to the DIN EN 60601-1 standard, the limit values according to the CF classification apply when testing the application parts. Depending on the model, the electric operating tables from TRUMPF Medizin Systeme GmbH + Co. KG only receive one application part with B classification. Furthermore, the TRUMPF Medizin Systeme GmbH + Co. KG product-specific prescribed retests and safety checks are obligatory. Germany International In Germany, the initial testing and retesting of electrical devices is regulated by the German Accident Prevention regulation BGV A3. VDE 0751-1 is the standard that regulates the retesting of electrical medical devices. The specifications for our medical products based on the abovereferenced standard VDE 0751-1 are therefore primarily in accordance with DIN EN 60601-1. In countries with different national legislation, the country-specific standards and guidelines for the retesting of electrical medical devices are mandatory. All maintenance work is to be performed once a year using the maintenance log, taking the list of components subject to wear and the lubrication chart (see chapter 13 “Maintenance and Repair” page 266) into account. Conduct a complete functional test after service work is completed. Service Manual MARS 2 – 1 435 274 – 09/2013 11 Preparatory Work 3 Preparatory Work 3.1 Repair site Read Section 1 “Important Information” from page 5. Be aware of the hygienic conditions at the place of work, and consult the responsible doctor in cases of uncertainty about protection against infection. Only make repairs if your protection against infection is assured. 3.2 Tools, measuring instruments, equipment Tools Basic equipment: - Set of mechanic’s tools - Hot-air gun (hair dryer) - Battery screwdriver Special tools: - Pin remover - Open-jawed spanner 10 (ground) 12 Measuring instruments TRUMPF Medizin Systems measuring instruments (specifically for servicing the MARS) - Feeler gauge 0.2 mm/narrow - Mulco SM4 strand tension gauge Equipment - Adhesive Scotch Weld 110DP Instant adhesive Cable binders Medium strength screw fixing lacquer Fixing lacquer for sensors Double-sided adhesive tape Wooden spacer (for working on lifting motor) Spirit of wine (degreaser) Spindle grease (order from TRUMPF Medizin Systeme GmbH + Co. KG) - Wooden spacers 3 mm - Screw clamp (for working on the MARS gas-pressure spring 2.03/2.04/2.05/2.06/2.07/2.08/2.11) Service Manual MARS 2 – 1 435 274 – 09/2013 Preparatory Work 3.3 Operating table Always prepare the operating table according to the following work steps before starting repair work: 1. CAUTION Danger of infection! Before beginning work, obtain confirmation from the medical facility, that all the necessary measures for protection against infection have been taken. 2. Remove all section segments and accessories from the tabletop, and put them in a safe place. 3. Return the operating table to the zero position. 4. Return all tabletop adjustments and joints to their zero positions. 5. CAUTION Risk of tipping over! Brake the operating table. Brake the running gear (MARS 2.01/2.02) or jack up the operating table (MARS 2.03/2.04/2.05/2.06/2.07/2.08/ 2.11). Do not make any changes to the position of the operating table during repair work unless they are expressly specified. Service Manual MARS 2 – 1 435 274 – 09/2013 13 Emergency Operation 4 Emergency Operation Various electronic components used for operating table control (e. g., the processor) have a redundant design in order to improve the availability of the operating table. A failure in a processor will be detected by the control, and the table will automatically switch to emergency mode. The EMERGENCY OPERATION indicator will flash red, and the FAULT indicator will show a steady red light. During emergency operation, all positioning movements are carried out at half the speed, and an audible signal will be heard during every travelling motion. CAUTION Danger of collisions. Limit switches will not be monitored. Do not move to any extreme or limit position. The emergency mode may also be activated manually in an emergency if the operating table shows any untypical behaviour, e. g., when certain positioning movements cannot be performed or are overly restricted due to a sensor failure. + 14 To do so, press both the ON and the EMERGENCY OPERATION buttons on the column keypad at the same time for approx. 10 seconds. Several short audible signals will be heard until the emergency mode is acknowledged by a long beep. The EMERGENCY OPERATION indicator flashes red continuously. Service Manual MARS 2 – 1 435 274 – 09/2013 Remove the power from the operating table 5 Repair Guide for the Column 5.1 Remove the power from the operating table 1. Disconnect the power supply cable from the mains supply. 2. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. Figure 1 Running gear - battery compartment 1 Cover battery compartment 2 Cover plate 3 4 Battery Fuse 3. Carefully remove the cover from the battery compartment [1] on the running gear, and put it down in a safe place. 4. Remove the cover plate [2] (4 countersunk screws), and put them down in a safe place. 5. Remove and safely put down the both battery fuses [4]. 6. Disconnect the positive connectors from the both batteries [3]. Service Manual MARS 2 – 1 435 274 – 09/2013 15 Internal power supply 5.2 Internal power supply Figure 2 16 Running gear - battery compartment 1 Battery compartment cover 2 Cover plate 3 4 Battery Fuse 1. Reattach the positive connectors to the both batteries [3]. 2. Insert both battery fuses [4]. 3. Mount the cover plate [2] (4 countersunk screws). 4. Put the battery compartment cover [1] on the running gear. Service Manual MARS 2 – 1 435 274 – 09/2013 Metal covers (without membrane keyboard) 5.3 Metal covers (without membrane keyboard) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 1 3 2 5 4 Figure 3 Cladding 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows (shown in gray) 4 5 Other cladding components M3 countersunk screw 5. Unscrew the two topmost metal covers [1]/[2] from each other (4 countersunk screws [5]). 6. Lift the expansion bellows’ edge [3]; remove the metal cover without the membrane keyboard [1] (3 countersunk screws on the top edge) and store safely. CAUTION Risk of injuries! When removing the upper metal cover, there is a possibility that the remaining cladding components are already unhooked and slip downwards! 7. Unhook the remaining cladding components [4] and guide them downwards. 8. Remove the metal covers from outside, segment by segment (each one: 4 countersunk screws; lowermost metal cover: 6 countersunk screws). 9. Assemble the new metal covers, segment by segment, starting from the inside towards the outside. 10. Guide the remaining cladding components [4] upwards and hook them into place. Service Manual MARS 2 – 1 435 274 – 09/2013 17 Metal covers (without membrane keyboard) 11. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 12. Connect the power supply, and switch the operating table on. TEST Check the column functions. 18 Service Manual MARS 2 – 1 435 274 – 09/2013 Metal cover with membrane keyboard 5.4 Metal cover with membrane keyboard 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 3 2 7 5 6 4 Figure 4 Cladding 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows (shown in gray) 4 other cladding components 5 6 7 MEMBRANE KEYBOARD flat ribbon cable Electronics M3 countersunk screw 4. Unscrew the two topmost metal covers [1]/[2] from each other (4 countersunk screws [7]). 5. Lift the expansion bellows’ edge [3]; remove the metal cover without the membrane keyboard [1] (3 countersunk screws on the top edge) and store safely. CAUTION Risk of injuries! When removing the upper metal cover, there is a possibility that the remaining cladding components are already unhooked and slip downwards! 6. Unhook the remaining cladding components [4] and guide them downwards. 7. Take note of where the flat ribbon cable has been laid! Remove the MEMBRANE KEYBOARD flat ribbon cable [5] from the electronic unit [6]. 8. Remove the metal cover with membrane keyboard [2] (3 countersunk screws at the upper edge). 9. Install the new metal cover with membrane keyboard. 10. Make sure that the flat ribbon cable is in its original installation position! Connect the flat ribbon cable MEMBRANE KEYBOARD [5]. 11. Guide the remaining cladding components [4] upwards and hook them into place. Service Manual MARS 2 – 1 435 274 – 09/2013 19 Metal cover with membrane keyboard 12. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 13. Connect the batteries (see section 5.2 on page 16). 14. Connect the power supply, and switch the operating table on. TEST Check the column functions using the membrane keyboard. 20 Service Manual MARS 2 – 1 435 274 – 09/2013 Head cover 5.5 Head cover 1. Prepare the operating table (see section 3.3 on page 13). 2. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. MARS 2.07/2.08 Move the tabletop carefully up to the foot end stop. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 1 2 3 4 5 Figure 5 Head cover 1 Pad 2 Plastic plate 3 M8 ball-head 4 5 Head cover M4 fillister-head screw 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] (4 ball-heads [3]), and put them down in a safe place. 7. NOTE Do not let any parts fall into the column. Remove the head cover [4] (4 fillister-head screws [5]), and put them down in a safe place. 8. Do not jam or damage the expansion bellows. Place the new head cover [4] carefully on the tabletop. 9. Screw tight the head cover [4] (4 fillister-head screws [5]). Service Manual MARS 2 – 1 435 274 – 09/2013 21 Head cover 10. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 11. Press the pad [1] onto the 4 ball-heads [3]. 12. Connect the power supply, and switch the operating table on. TEST Check the column functions. 22 Service Manual MARS 2 – 1 435 274 – 09/2013 Expansion bellows 5.6 Expansion bellows 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. MARS 2.07/2.08 Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 5 7 1 6 3 10 12 11 9 2 8 4 Figure 6 Expansion bellows 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows (shown in gray) 4 Other cladding components 5 Pad 6 Plastic plate 7 8 9 10 11 12 Head cover M4x6 fillister-head screw Frame M6x20 machine screw Bearing support (tabletop) M8x20 machine screw 5. Open the column (see section 5.3 on page 17, work steps 5. to 7.). 6. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 7. Unscrew the bellows from the tabletop (8 fillister-head screws [8]). 8. Unscrew the frame [9] from the bellows (12 nuts). 9. Note the positions of the cables and the pin configuration! Press the expansion bellows downwards, separate all cable connections to the tabletop and release the tabletop for removal. 10. Unscrew the tilting motor from the tabletop (4 machine screws [10]). Service Manual MARS 2 – 1 435 274 – 09/2013 23 Expansion bellows 11. CAUTION Risk of injury on account of the heavy weight. Support the tabletop and lift it up from the column with at least 2 people! Remove 8 machine screws [12] from the bearing block (tabletop) [11]; lift the tabletop from the column and place it safely on an even surface. 14 13 14 3 9 Figure 7 Expansion bellows 3 Expansion bellows 9 Frame 13 Bellow frame 14 Bellow holder 12. Take note of the mounting position of the bellows! Carefully remove the expansion bellows [3] with the expansion bellows holder [14] and frame [9] upwards from the column. 13. Unscrew both expansion bellows holders [14] from the expansion bellows frame [13] on top of the expansion bellows [3] (15 fillister-head screws) and store safely. 14. Remove frame [9] from the expansion bellows [3] and install on the new expansion bellows. Make sure that the frame [9] is sitting correctly in the expansion bellows’ edge! 15. Make holes on the expansion bellows at the spots needed for fastening. 16. CAUTION Danger of damaging the bellows! Work with caution and don’t use any tools with sharp edges! Assemble both expansion bellows holders [14] with expansion bellows frame [13] on top of the expansion bellows (15 fillister-head screws). 17. Put the bellows back into its original position! Pull the new bellows carefully over the column head. 18. CAUTION Risk of injury on account of the heavy weight. Lift the tabletop with at least 2 people, and support it during assembly! 24 Service Manual MARS 2 – 1 435 274 – 09/2013 Expansion bellows Lift the tabletop onto the column and install it on the bearing block (tabletop) [11] (8 machine screws [12]). 19. Assemble the tilting motor onto the tabletop (4 machine screws [10]). 20. Put the cables back into their original positions, and reconnect all cables to the tabletop (see section 14 on page 273). Fix the cables with cable binders and plastic clips. 21. Screw the frame [9] of the expansion bellows tightly onto the column’s frame (12 nuts). 22. Screw the expansion bellows tightly onto the tabletop (8 fillister-head screws [8]). 23. Do not jam or damage the expansion bellows. Place the head cover [7] carefully on the tabletop, and screw tight (4 fillister-head screws). 24. Remount the plastic plate [6] on the seat section (4 ball-heads). 25. Press the pad [5] onto the 4 ball-heads. 26. Guide the remaining cladding components [4] upwards and hook them into place. 27. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 28. Connect the batteries (see section 5.2 on page 16). 29. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 25 Connection unit’s operating unit, head end (MARS 2.01-2.06, MARS 2.11) 5.7 Connection unit’s operating unit, head end (MARS 2.01-2.06, MARS 2.11) IR receiver 1 with RS485/232 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 5. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 1 4 2 3 5 Figure 8 Connection unit’s OPERATING UNIT, head end 1 Head cover 2 Distributor board 3 Connection unit’s OPERATING UNIT 4 5 M4x30 countersunk screw IR gasket 6. Take note of where the cables have been laid. Remove the connection unit’s OPERATING UNIT plug from the distribution printed circuit board [2], disconnect the leads, and remove the cable binder. 7. Unscrew the defective connection unit’s OPERATING UNIT [3] at the head end of the column (2 countersunk screws [4]); pull out from the column head towards the outside and remove. 8. Remove the IR gasket [5]. 9. Feed in the new connection units OPERATING UNIT’s cable on the column head. 10. Pull a new IR gasket [5] onto the new connection unit’s OPERATING UNIT [3]. 11. CAUTION Risk of material damage. Ensure that the IR gasket is in the correct position! Mount the new connection unit’s OPERATING UNIT [3] to the column head (2 countersunk screws [4]). 12. Connect the cable leads of the new connection unit’s OPERATING UNIT to the plug. 26 Service Manual MARS 2 – 1 435 274 – 09/2013 Connection unit’s operating unit, head end (MARS 2.01-2.06, MARS 2.11) 13. Put the cables back into their original positions, and stick the connection unit’s OPERATING UNIT plug in the corresponding distribution printed circuit board’s [2] socket. Fix the cables with cable binders. 14. Do not jam or damage the expansion bellows. Place the head cover [1] carefully on the tabletop, and screw tight (4 fillister-head screws). 15. Remount the plastic plate on the seat section (4 ball-heads). 16. Press the pad onto the 4 ball-heads. 17. Connect the batteries (see section 5.2 on page 16). 18. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 27 Connection unit’s operating unit, head end (MARS 2.07/2.08) 5.8 Connection unit’s operating unit, head end (MARS 2.07/2.08) IR receiver 2 with RS485/232 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 5. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). Figure 9 Connection unit’s OPERATING UNIT, head end 1 Head cover 2 Distributor board 3 Clamp plate 4 5 6 Connection unit’s OPERATING UNIT M4x30 countersunk screw IR gasket 6. Take note of where the cables have been laid. Remove the connection unit’s OPERATING UNIT plug from the distribution printed circuit board [2], disconnect the leads, and remove the cable binder. 7. Remove the clamp plate [3] (2 countersunk screws), and put them down in a safe place. 8. Unscrew the defective connection unit’s OPERATING UNIT [4] at the head end of the column head (2 countersunk screws [5]); pull out from the column head towards the outside, and remove. 9. Remove the IR gasket [6]. 10. Feed in the new connection unit OPERATING UNIT’s [4] cable on the column head. 11. Pull a new IR gasket [6] onto the new connection unit’s OPERATING UNIT [4]. 12. CAUTION Risk of material damage. Ensure that the IR gasket is in the correct position! Mount the new connection unit’s OPERATING UNIT [4] to the column head (2 countersunk screws [5]). 13. Connect the cable leads of the new connection unit’s OPERATING UNIT to the plug. 28 Service Manual MARS 2 – 1 435 274 – 09/2013 Connection unit’s operating unit, head end (MARS 2.07/2.08) 14. Put the cables back into their original positions, and stick the connection unit’s OPERATING UNIT plug in the corresponding distribution printed circuit board’s [2] socket. Fix the cables with cable binders. 15. Mount the clamp plate [3] (2 countersunk screws). 16. Do not jam or damage the expansion bellows. Place the head cover [1] carefully on the tabletop, and screw tight (4 fillister-head screws). 17. Remount the plastic plate on the seat section (4 screws). 18. Place the removed pad on the plastic plate and press down across the length of Velcro. 19. Connect the batteries (see section 5.2 on page 16). 20. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 29 Connection unit’s operating unit, foot end (MARS 2.02-2.06, MARS 2.11) 5.9 Connection unit’s operating unit, foot end (MARS 2.02-2.06, MARS 2.11) IR receiver 2 with RS485/232 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the head end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 5. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 2 1 3 4 5 6 Figure 10 Connection unit’s OPERATING UNIT, foot end 1 Head cover 2 Distributor board 3 Clamp plate 4 5 6 Connection unit’s OPERATING UNIT M4x30 countersunk screw IR gasket 6. Take note of where the cables have been laid. Remove the connection unit’s OPERATING UNIT plug from the distribution printed circuit board [2], disconnect the leads, and remove the cable binder. 7. Remove the clamp plate [3] (2 countersunk screws), and put them down in a safe place. 8. Unscrew the defective connection unit’s operating unit [4] at the foot end of the column head (2 countersunk screws [5]); pull out from the column head towards the outside, and remove. 9. Remove the IR gasket [6]. 10. Feed in the new connection unit OPERATING UNIT’s [4] cable on the column head. 11. Pull a new IR gasket [6] onto the new connection unit’s OPERATING UNIT [4]. 12. CAUTION Risk of material damage. Ensure that the IR gasket is in the correct position! Mount the new connection unit’s OPERATING UNIT [4] to the column head (2 countersunk screws [5]). 13. Connect the cable leads of the new connection unit’s OPERATING UNIT to the plug. 30 Service Manual MARS 2 – 1 435 274 – 09/2013 Connection unit’s operating unit, foot end (MARS 2.02-2.06, MARS 2.11) 14. Put the cables back into their original positions, and stick the connection unit’s OPERATING UNIT plug in the corresponding distribution printed circuit board’s [2] socket. Fix the cables with cable binders. 15. Mount the clamp plate [3] (2 countersunk screws). 16. Do not jam or damage the expansion bellows. Place the head cover [1] carefully on the tabletop, and screw tight (4 fillister-head screws). 17. Remount the plastic plate on the seat section (4 ball-heads). 18. Press the pad onto the 4 ball-heads. 19. Connect the batteries (see section 5.2 on page 16). 20. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 31 Connection unit’s operating unit, foot end (MARS 2.07/2.08) 5.10 Connection unit’s operating unit, foot end (MARS 2.07/2.08) IR receiver 1 with RS485/232 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 5. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). Figure 11 Connection unit’s OPERATING UNIT, foot end 1 Head cover 2 Distributor board 3 Connection unit’s OPERATING UNIT 4 5 M4x30 countersunk screw IR gasket 6. Take note of where the cables have been laid. Remove the connection unit’s OPERATING UNIT plug from the distribution printed circuit board [2], disconnect the leads, and remove the cable binder. 7. Unscrew the defective connection unit’s OPERATING UNIT [3] at the foot end of the column (2 countersunk screws [4]); pull out from the column head towards the outside and remove. 8. Remove the IR gasket [5]. 9. Feed in the new connection units OPERATING UNIT’s cable on the column head. 10. Pull a new IR gasket [5] onto the new connection unit’s OPERATING UNIT [3]. 11. CAUTION Risk of material damage. Ensure that the IR gasket is in the correct position! Mount the new connection unit’s OPERATING UNIT [3] to the column head (2 countersunk screws [4]). 12. Connect the cable leads of the new connection unit’s OPERATING UNIT to the plug. 32 Service Manual MARS 2 – 1 435 274 – 09/2013 Connection unit’s operating unit, foot end (MARS 2.07/2.08) 13. Put the cables back into their original positions, and stick the connection unit’s OPERATING UNIT plug in the corresponding distribution printed circuit board’s [2] socket. Fix the cables with cable binders. 14. Do not jam or damage the expansion bellows. Place the head cover [1] carefully on the tabletop, and screw tight (4 fillister-head screws). 15. Remount the plastic plate on the seat section (4 screws). 16. Place the removed pad on the plastic plate and press down across the length of Velcro. 17. Connect the batteries (see section 5.2 on page 16). 18. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 33 Transformer 5.11 Transformer 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 4. Unscrew 2 countersunk screws from the very bottom of the metal cover. 1 2 Figure 12 Transformer 1 Metal cover 2 Transformer 5. Slide the metal cover [1] upwards and fix it securely to the column guide with the M6 retaining screw. 6. Loosen the 3 machine screws on the transformer base plate [2]. 7. Move the mounting plate slightly into the direction of the lifting motor, and carefully lift the entire transformer out from the screws. 8. Make note of the plug’s and cables’ installation position! Disconnect all plugs from the transformer and remove all cables and cable binders. 9. Remove transformer [2]. 10. Connect all plugs and cables to the new transformer (see section 14 on page 273). 11. Pay attention to the cables! Set the new transformer’s mounting plate on the screws in the base of the column and push it slightly away from the column (push into the screws). 12. Screw in the transformer [2] tightly (3 machine screws). 13. Put the cables back into their original positions. Fix the cables with cable binders. 14. Remove retaining screw from the column guide and slide the metal cover downwards. 15. Close the metal cover (2 countersunk screws). 16. Connect the batteries (see section 5.2 on page 16). 17. Connect the power supply, and switch the operating table on. TEST Check the column functions. 34 Service Manual MARS 2 – 1 435 274 – 09/2013 Switching relay 5.12 Switching relay 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 4. Unscrew 2 countersunk screws from the very bottom of the metal cover. 1 2 Figure 13 Switching relay 1 Metal cover 2 Switching relay 5. Slide the metal cover [1] upwards and fix it securely to the column guide with the M6 retaining screw. 6. Make note of the plug’s and cables’ installation position! Disconnect all plugs from the switching relay and remove all cables and cable binders. 7. Unscrew the holding plate with the switching relay from the base of the column (2 machine screws) and remove. 8. Connect all plugs and cables to the new switching relay (see section 14 on page 273). 9. Pay attention to the cables! Place the holding plate with the switching relay in the base of the column and screw in tightly (2 machine screws). 10. Put the cables back into their original positions. Fix the cables with cable binders. 11. Remove retaining screw from the column guide and slide the metal cover downwards. 12. Close the metal cover (2 countersunk screws). 13. Connect the batteries (see section 5.2 on page 16). 14. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 35 Membrane keyboard 5.13 Membrane keyboard 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 3 2 7 5 6 4 Figure 14 Cladding 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows (shown in gray) 4 Other cladding components 5 6 7 MEMBRANE KEYBOARD flat ribbon cable Electronics Membrane keyboard 4. Open the column (see section 5.4 on page 19, work steps 4. to 8.). 5. Remove membrane keyboard [7] from the metal cover (glued). 6. Remove any glue residues from the metal cover [2] and degrease it. 7. Feed in the new membrane keyboard’s [7] flat ribbon cable [5] into the metal cover [2]. 8. Glue in the new membrane keyboard. 9. Mount the metal cover [2] with membrane keyboard [7]. 10. Make sure that the flat ribbon cable is in its original installation position! Connect the flat ribbon cable membrane keyboard. 11. Guide the remaining cladding components [4] upwards and hook them into place. 12. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 13. Connect the batteries (see section 5.2 on page 16). 14. Connect the power supply, and switch the operating table on. TEST Check the column functions using the membrane keyboard! 36 Service Manual MARS 2 – 1 435 274 – 09/2013 Electronics 5.14 Electronics CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. NOTE The electronic unit is always replaced in its entirety! 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 4. If necessary, read out and save the parameters for the electronic unit via the PC software (see section 9.2 on page 204). After replacement, the electronic unit can be configured more quickly using the saved data. 1 3 6 7 2 6 B 5 8 B 6 7 A 4 A Figure 15 Electronics 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows (shown in gray) 4 other cladding components 5 6 7 8 MEMBRANE KEYBOARD flat ribbon cable Electronics M4 machine screw Nut M4 5. Open the column (see section 5.4 on page 19, work steps 4. to 8.). 6. Take note of where the cables have been laid. Remove all cable binders from the cables going to the electronic unit. 7. Label all plugs and cables on the defective electronic unit [6] and pull them out/ remove them. 8. Hold the electronic unit [6] securely! Remove 2 machine screws [7] and 2 washers from the left side of the electronic unit. 9. Remove 1 nut [8] from the electronic unit’s rear panel. 10. Carefully pull out the electronic unit [6] downwards. 11. Remove the nut [8] with the washer from the defective electronic unit [6] and loosely install it on the new electronic unit’s rear panel. Service Manual MARS 2 – 1 435 274 – 09/2013 37 Electronics 12. Insert the new electronic unit [6] and assemble it (tighten 1 nut [8] until it seizes, 2 washers and 2 machine screws [7]). 13. Put the cables back into their original positions, and connect all cables (see section 14 on page 273). Fix the cables with cable binders. 14. Mount the metal cover with membrane keyboard [2]. 15. Make sure that the flat ribbon cable [5] is in its original installation position! Connect the flat ribbon cable membrane keyboard. 16. Guide the remaining cladding components [4] upwards and hook them into place. 17. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 18. Configure the electronic unit using the PC software (see section 9.1 on page 203). 19. Connect the batteries (see section 5.2 on page 16). 20. Connect the power supply, and switch the operating table on. TEST Check the column functions. 38 Service Manual MARS 2 – 1 435 274 – 09/2013 Motors 5.15 Motors 5.15.1 Lifting motor CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Unscrew 2 countersunk screws from the very bottom of the metal cover. 4. Slide the metal cover upwards and fix it securely to the column guide with the M6 retaining screw. 2 1 Figure 16 Wooden spacer 1 Wooden spacer 5. 2 Lifting column CAUTION Risk of injuries! Support the lifting column with an appropriate wooden spacer! Put the wooden spacer [1] in the running gear and lower the column carefully until the lifting column [2] sits on the wooden spacer. 6. Remove the power from the operating table (see section 5.1 on page 15). Service Manual MARS 2 – 1 435 274 – 09/2013 39 Motors 3 7 4 5 Figure 17 Lifting motor 3 Lifting motor 4 Lifting motor holder 5 M5 machine screw 6 7 8 6 8 M5 machine screw Toothed belt Cap 7. Note the positions of the cables. Remove all cable binders from the lifting motor [3], remove the plugs and the cable (1 fillister-head screw, 1 washer, and 1 serrated lock washer). 8. Take note of the mounting position of the lifting motor! Unscrew 4 machine screws [5] from the lifting motor holder [4] (lifting unit drive). 9. Move the holder slightly into the direction of the column and carefully lift out from the screws. 10. Carefully pull out the lifting motor [3] from the toothed belt [7]. 11. Carefully set the new lifting motor (lifting unit drive) [3] inside the toothed belt. 12. Make sure that the lifting motor is in its original installation position! Place the holder [4] of the new lifting motor on the screws in the base of the column. 13. Remove the cap [8] that is on the side of the running gear and screw in 1 machine screw [6] into the lifting motor holder [4] from outside. Set the toothed belt tension by means of adequately turning the screw in or out. 14. Screw the lifting motor’s holder [4] tightly (4 machine screws [5]). 15. Unscrew the machine screw [6] on the side of the running gear again and insert the cap [8]. 16. Put the cables back into their original positions, and connect all cables (see section 14 on page 273). Fix the cables with cable binders. 17. Reattach the positive connectors to the both batteries. 18. Insert both battery fuses. 19. Connect the power supply, and switch the operating table on. 20. Lift the column slightly with the lifting unit and remove the wooden spacer. 21. Remove retaining screw from the column guide and slide the metal cover downwards. 40 Service Manual MARS 2 – 1 435 274 – 09/2013 Motors 22. Close the metal cover (2 countersunk screws). 23. Mount the cover plate (4 countersunk screws). 24. Put the cover battery compartment on the running gear. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 41 Motors 5.15.2 Trendelenburg motor CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. MARS 2.07/2.08 Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 7 6 1 8 3 10 2 9 5 4 Figure 18 Cladding/Expansion bellows 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows (shown in gray) 4 Other cladding components 5 MEMBRANE KEYBOARD flat ribbon cable 6 7 8 9 10 Pad Plastic plate Head cover M4x6 fillister-head screw Bellow frame 5. Open the column (see section 5.4 on page 19, work steps 4. to 8.). 6. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 7. Unscrew the expansion bellows [3] from the tabletop (8 fillister-head screws [9]). 8. Unscrew the bellow frame [10] (6 machine screws). 9. Move the bellows [3] carefully down. 10. CAUTION Risk of injuries! Support the tabletop! Prevent the tabletop from tilting. In order to do this, support the tabletop with a Mayo instrument stand, for example! 42 Service Manual MARS 2 – 1 435 274 – 09/2013 Motors 11. Note the positions of the cables. Remove the Trendelenburg motor’s plug from the electronic unit and release the Trendelenburg motor (MARS II Trendelenburg drive) for removal. 12 A 13 14 11 A Figure 19 Trendelenburg Motor 11 Trendelenburg bearing pin 12 Trendelenburg pin 13 Trendelenburg motor 14 Guidance 12. Remove 3 machine screws from each of the two Trendelenburg bearing pins [11]. 13. Remove the Trendelenburg bearing pins [11] with a pin remover and store safely. 14. Remove the retaining ring and the washer from the Trendelenburg pin [12] (on the main cardan joint). 15. CAUTION Risk of injuries! Hold the Trendelenburg motor securely! Pull the Trendelenburg pin [12] (with 1 washer and 1 retaining ring) out from the main Cardan joint and store safely. 16. Remove Trendelenburg motor [13], two start-up disks on the main Cardan joint and 2 shim rings on the guide. 17. Insert the new Trendelenburg motor [13] with two start-up disks above on the main Cardan joint and assemble (Trendelenburg pin [12] with 1 washer and 1 retaining ring). 18. Insert the Trendelenburg motor [13] on the guide [14] with 2 shim rings and assemble (two Trendelenburg bearing pins with 3 machine screws each). 19. Put the cables back into their original positions, and connect all cables (see section 14 on page 273). Fix the cables with cable binders. 20. Raise the bellows [3] carefully. 21. Tightly screw the expansion bellows [3] onto the tabletop (8 fillister-head screws [9]). 22. Mount the bellow frame [10] (6 machine screws). Service Manual MARS 2 – 1 435 274 – 09/2013 43 Motors 23. Do not jam or damage the expansion bellows. Place the head cover [8] carefully on the tabletop, and screw tight (4 fillister-head screws). 24. Remount the plastic plate [7] on the seat section (4 ball-heads). 25. Press the pad [6] onto the 4 ball-heads. 26. Mount the metal cover with membrane keyboard [2] (3 countersunk screws at the upper edge). 27. Make sure that the flat ribbon cable [5] is in its original installation position! Connect the flat ribbon cable membrane keyboard. 28. Guide the remaining cladding components [4] upwards and hook them into place. 29. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 30. Connect the batteries (see section 5.2 on page 16). 31. Connect the power supply, and switch the operating table on. TEST Check the column functions. 44 Service Manual MARS 2 – 1 435 274 – 09/2013 Motors 5.15.3 Tilting motor CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. MARS 2.07/2.08 Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 7 6 1 8 3 10 2 9 5 4 Figure 20 Cladding/Expansion bellows 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows (shown in gray) 4 Other cladding components 5 MEMBRANE KEYBOARD flat ribbon cable 6 7 8 9 10 Pad Plastic plate Head cover M4x6 fillister-head screw Bellow frame 5. Open the column (see section 5.4 on page 19, work steps 4. to 8.). 6. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 7. Unscrew the expansion bellows [3] from the tabletop (8 fillister-head screws [9]). 8. Unscrew the bellow frame [10] (6 machine screws). 9. Move the bellows [3] carefully down. 10. CAUTION Risk of injuries! Support the tabletop! Prevent the tabletop from tilting. In order to do this, support the tabletop with a Mayo instrument stand, for example! Service Manual MARS 2 – 1 435 274 – 09/2013 45 Motors 11. Note the positions of the cables. Remove the tilting motor’s plug from the electronic unit and release the tilting motor (MARS tilting unit - complete) for removal. 12 A 13 13 11 14 A Figure 21 Tilting motor 11 Tilting unit pin 2 12 Tilting unit pin 13 Tilting motor 14 Guidance 12. Remove tilting unit pin 2 [11] below from the guide [14] (1 retaining ring and 1 washer) and store safely. 13. Remove the retaining ring and the washer from the tilting unit pin [12] (on the main tilting unit Cardan joint). 14. CAUTION Risk of injuries! Hold the tilting motor securely! Pull the tilting unit pin [12] (with 1 washer and 1 retaining ring) out from the tilting unit cardan joint and store safely. 15. Remove tilting motor [13] and 2 buffer washers from the guide [14]. 16. Insert the new tilting motor [13] above on the tilting unit Cardan joint and assemble (tilting unit pin [12] with 1 washer and 1 retaining ring). 17. Insert the tilting motor on the guide [14] with 2 buffer washers and assemble (tilting pin 2 [11], 1 washer and 1 retaining ring). 18. Put the cables back into their original positions, and connect all cables (see section 14 on page 273). Fix the cables with cable binders. 19. Raise the bellows [3] carefully. 20. Tightly screw the expansion bellows [3] onto the tabletop (8 fillister-head screws [9]). 21. Mount the bellow frame [10] (6 machine screws). 22. Do not jam or damage the expansion bellows. Place the head cover [8] carefully on the tabletop, and screw tight (4 fillister-head screws). 46 Service Manual MARS 2 – 1 435 274 – 09/2013 Motors 23. Remount the plastic plate [7] on the seat section (4 ball-heads). 24. Press the pad [6] onto the 4 ball-heads. 25. Mount the metal cover with membrane keyboard [2] (3 countersunk screws at the upper edge). 26. Make sure that the flat ribbon cable [5] is in its original installation position! Connect the flat ribbon cable membrane keyboard. 27. Guide the remaining cladding components [4] upwards and hook them into place. 28. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 29. Connect the batteries (see section 5.2 on page 16). 30. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 47 Lift drive 5.16 Lift drive CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. MARS 2.07/2.08 Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 5 6 7 1 3 2 4 Figure 22 Cladding 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows (shown in gray) 4 Other cladding components 5 6 7 Pad Plastic plate Head cover 5. Open the column (see section 5.3 on page 17, work steps 5. to 7.). 6. Remove the metal covers from outside, segment by segment (each one: 4 countersunk screws; lowermost metal cover: 6 countersunk screws) and store safely. 7. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 8. CAUTION Risk of injury on account of the heavy weight. Turn the operating table with at least 2 people! Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 48 Service Manual MARS 2 – 1 435 274 – 09/2013 Lift drive 10 11 9 8 Figure 23 Lift drive 8 Lifting pin 9 Lifting motor 9. 10 Lifting motor holder 11 Toothed belt Remove the retaining ring and the 2 washers from one side of the lifting pin [8], above on the lift drive suspension. 10. Remove the lifting pin [8] and the washers. 11. Note the positions of the cables. Remove all cable binders from the lifting motor [9], remove the plugs and the cable (1 fillister-head screw, 1 washer, and 1 serrated lock washer). 12. Take note of the mounting position of the lifting motor! Unscrew 4 machine screws from the lifting motor holder [10] (lifting unit drive). 13. Slightly push the holder [10] into the direction of the column and carefully lift it out from the screws. 14. Carefully pull out the lifting motor from the toothed belt [11]. 15. Put the lifting motor in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 49 Lift drive 17 15 14 16 13 12 Figure 24 Lift drive 12 M4x10 countersunk screw 13 Sheet plate 14 Bearing support assembly 15 M6x10 machine screw 16 Toothed belt 17 Lift drive 16. Open the column from below (remove 4 countersunk screws [12]). 17. Carefully pry off the plate [13] (glued with silicone) and store safely. 18. Remove 6 machine screws [15] from the bearing support assembly [14]. 19. Make note of the bearing support assembly [14] installation position! Do not damage the toothed belt [16]! Pull out the bearing support assembly (with lift drive) from the column, below. 20. Make note of the lift drive’s [17] screw-in depth and use it for the new lift drive. 21. Make sure that the bearing support assembly is its original installation position! Pay attention to the toothed belt! Insert the new bearing support assembly [14] (with lift drive) into the column from below. 22. Push 2 washers onto the lifting unit pin [8]. 23. Insert the lifting unit pin [8] above on the lift drive’s suspension and assemble (2 washers and 1 retaining ring). 24. Extend the column (pull on the tabletop or push on the running gear - with 2 people) until the bearing support assembly fits correctly below (into the column base). 25. Assemble the bearing support assembly [14] on the column base (6 machine screws [15]). 26. Carefully set the lifting motor [9] (lifting unit drive) in the new toothed belt. 27. Make sure that the lifting motor is in its original installation position! Place the lifting motor holder [10] on the screws in the base of the column. 50 Service Manual MARS 2 – 1 435 274 – 09/2013 Lift drive 18 19 Figure 25 Lift drive 18 Cap 19 M5 machine screw 28. From outside, remove the cap [18] that is on the side of the running gear and screw 1 machine screw [19] into the lifting motor holder. Set the toothed belt tension by means of adequately turning the screw in or out. 29. Screw the lifting motor’s holder [10] tightly (4 machine screws). 30. Unscrew the machine screw [19] on the side of the running gear again and insert the cap [18]. 31. Put the cables back into their original positions, and connect all cables (see section 14 on page 273). Fix the cables with cable binders. 32. Remove any silicone residues from the column base and the plate [13] and degrease. 33. Apply silicone to the plate [13] and assemble (4 countersunk screws). 34. CAUTION Risk of injury on account of the heavy weight. Mount the operating table with at least 2 people! 35. Do not jam or damage the expansion bellows [3]. Place the head cover [7] carefully on the tabletop, and screw tight (4 fillister-head screws). 36. Remount the plastic plate [6] on the seat section (4 ball-heads). 37. Press the pad [5] onto the 4 ball-heads. 38. Install the metal covers, segment by segment, starting from the inside towards the outside. 39. Guide the remaining cladding components [4] upwards and hook them into place. 40. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 41. Connect the batteries (see section 5.2 on page 16). 42. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 51 Toothed belt (main drive) 5.17 Toothed belt (main drive) The toothed belt (main drive) is part of the bearing support assembly. If a part of the bearing support is defective, the entire bearing support assembly (with lift drive) is always replaced (see section 5.16 on page 48). 52 Service Manual MARS 2 – 1 435 274 – 09/2013 Lifting unit limit switches, MARS 2.03 to 2.08, MARS 2.11 5.18 Lifting unit limit switches, MARS 2.03 to 2.08, MARS 2.11 NOTE The lifting device limit switches (Hall sensors) are magnetic. In case of malfunction, look for possible magnetically attracted washers/disks! 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.03 to 2.06, MARS 2.11 Move the tabletop carefully up to the foot end stop. MARS 2.07/2.08 Move the tabletop carefully up to the head end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 3 2 9 1 5 7 6 4 Figure 26 Limit switches of column lift 1 Metal cover without membrane keyboard 2 Metal cover with membrane keyboard 3 Expansion bellows 4 other cladding components 5 Sensor plate 6 7 8 9 Hall sensor board Tapped plate Plug and cable Underlay 5. Open the column (see section 5.3 on page 17, work steps 5. to 7.). 6. Remove plug and cable [3] (1 machine screw and 1 serrated lock washer) from the Hall sensor printed circuit board. 7. Unscrew the sensor plate [5] from the guide (3 machine screws, 1 cable clip) and remove carefully. 8. Remove the Hall sensor printed circuit board [6] from the sensor plate [5] (3 machine screws and 1 threaded anchor plate [7]). Service Manual MARS 2 – 1 435 274 – 09/2013 53 Lifting unit limit switches, MARS 2.03 to 2.08, MARS 2.11 9. Place the new Hall sensor printed circuit board [6] between the sensor plate [5] and the threaded anchor plate [7] and assemble (3 machine screws; leave the top right thread free). 10. Assemble the sensor plate [5] with the Hall sensor printed circuit board [6] onto the guide (2 machine screws on the right side). 11. Connect plug and cable [8] (1 machine screw and 1 serrated lock washer) to the Hall sensor printed circuit board [6]. 12. Put the cable back into their original position and fix with cable binder (1 machine screw). 13. TEST Perform a functional test! 14. Guide the remaining cladding components [4] upwards and hook them into place. 15. Mount the metal cover without membrane keyboard [1] (3 countersunk screws at the upper edge and 4 countersunk screws). 16. Connect the batteries (see section 5.2 on page 16). 17. Connect the power supply, and switch the operating table on. TEST Check the column functions. 54 Service Manual MARS 2 – 1 435 274 – 09/2013 Trendelenburg limit switch 5.19 Trendelenburg limit switch 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. MARS 2.07/2.08 Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 1 2 5 3 6 4 Figure 27 Head cover 1 Pad 2 Plastic plate 3 Head cover 4 5 6 Expansion bellows M8 ball-head M4x6 fillister-head screw 5. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 6. Unscrew the expansion bellows [4] from the tabletop (8 fillister-head screws [6]). 7. Press the bellows [4] carefully down. Service Manual MARS 2 – 1 435 274 – 09/2013 55 Trendelenburg limit switch 7 A 7 A Figure 28 Trendelenburg limit switch 7 Limit switch 8. Note the positions of the cables and the pin configuration! Disconnect all plugs from the defective limit switch [7]. 9. Remove the defective limit switch [7] (2 machine screws). 10. Install the new limit switch [7] (2 machine screws). 11. Connect all plugs (see section 14 on page 273). 12. Connect the batteries (see section 5.2 on page 16). 13. Connect the power supply, and switch the operating table on. 14. Adjust the limit switch group (see section 8.1 on page 189). 15. Tightly screw the expansion bellows [4] onto the tabletop (8 fillister-head screws [6]). 16. Do not jam or damage the expansion bellows. Place the head cover [2] carefully on the tabletop, and screw tight (4 fillister-head screws). 17. Remount the plastic plate [2] on the seat section (4 ball-heads). 18. Press the pad [1] onto the 4 ball-heads [5]. TEST Check the column functions. 56 Service Manual MARS 2 – 1 435 274 – 09/2013 Cables 5.20 Cables 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. MARS 2.07/2.08 Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 5. For cables in the column base: - Unscrew 2 countersunk screws from the very bottom of the metal cover. - Slide the metal cover upwards and fix it securely to the column guide with the M6 retaining screw. For cables on the column: - Open the column (see section 5.3 on page 17, work steps 5. to 7.). Service Manual MARS 2 – 1 435 274 – 09/2013 57 Cables For cables going to the tabletop: - Open the table top (see section 5.5 on page 21, work steps 5. to 7.). - Unscrew the bellows from the tabletop (8 fillister-head screws). - Press the bellows carefully down. 6. 7. Note the positions of the cables and the pin configuration! Remove the defective cable’s plug, disconnect the leads, remove cable binders and clips, and remove the cable. WARNING Risk of injuries! Pay attention to the polarity!!! Insert a new cable that is identical in construction. Only use limed resin as the flux for soldered joints! Put the cables back into their original positions, and connect the plugs (see section 14 on page 273). Fix the cables with cable binders and/or cable clips. 8. Reattach the positive connectors to the both batteries. 9. Insert both battery fuses. 10. Connect the power supply, and switch the operating table on. 11. CAUTION Risk of material damage. Do not crush or squeeze the cables! Observe all motion sequences on the operating table. When needed, interrupt the sequence and fix the cable’s position! TEST Check the column functions. 12. Disconnect the power supply cable from the mains supply. 58 Service Manual MARS 2 – 1 435 274 – 09/2013 Cables 13. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 14. Remove both battery fuses and store safely. 15. Disconnect the positive connectors from the both batteries. 16. For cables in the column base: - Remove retaining screw from the column guide and slide the metal cover downwards. - Close the metal cover (2 countersunk screws). For cables on the column: - Guide the remaining cladding components upwards and hook them into place. - Mount the metal cover without membrane keyboard (3 countersunk screws at the upper edge and 4 countersunk screws). For cables going to the tabletop: - Screw the expansion bellows tightly onto the tabletop (8 fillister-head screws). - Do not jam or damage the expansion bellows. Place the head cover carefully on the tabletop, and screw tight (4 fillister-head screws). - Remount the plastic plate on the seat section (4 ball-heads). - Press the pad onto the 4 ball-heads. 17. Reattach the positive connectors to the both batteries. 18. Insert both battery fuses. 19. Mount the cover plate (4 countersunk screws). 20. Put the cover battery compartment on the running gear. 21. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 59 Energy chain 5.21 Energy chain 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. MARS 2.07/2.08 Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 2 1 3 Figure 29 Energy chain 1 Metal cover 2 Energy chain 3 End piece 5. Unscrew 2 countersunk screws from the very bottom of the metal cover [1]. 6. Slide the metal cover [1] upwards and fix it securely to the column guide with the M6 retaining screw. 7. Unhook the energy chain [2] from the upper and/or lower end piece respectively. 8. Open the energy chain. In order to do this, carefully pry up the transverse bars of the individual chain links on the right side with a screwdriver (flat). 9. Note the positions of the cables. Remove the cables. 10. Renew defective parts of the energy chain. Lock the chain links completely together. 11. If needed, unscrew the upper and/or lower end piece [3] of the energy chain (2 countersunk screws or 2 machine screws) and replace. 12. Put the cables back into their original positions. Lay the cables into the energy chain (do not cross them over) and close the flexible cover securely. 13. Hook the energy chain [2] into the upper and/or lower end piece [3]. Lock the chain links completely together. 14. Remove retaining screw from the column guide and slide the metal cover downwards. 15. Close the metal cover [1] (2 countersunk screws). 16. Connect the batteries (see section 5.2 on page 16). 60 Service Manual MARS 2 – 1 435 274 – 09/2013 Energy chain 17. Connect the power supply, and switch the operating table on. TEST Check the column functions. Service Manual MARS 2 – 1 435 274 – 09/2013 61 Plastic plate 6 Repair Guide for the Tabletop MARS 2.01-2.06, MARS 2.11 6.1 Plastic plate 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). 1 2 3 Figure 30 Pad plate 1 Pad 2 Plastic plate 62 3 M8 ball-head 5. Pull pad [1] off the relevant section, and put it down in a safe place. 6. Unscrew the associated plastic plate [2] (4 ball-heads [3]). 7. Mount a new plastic plate (4 ball-heads [3]). 8. Press the previously removed pad [1] onto the 4 ball-heads [3]. 9. Connect the power supply, and switch the operating table on. Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) gearbox 6.2 Leg section (LS) gearbox 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 31 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] (4 ball-heads [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 63 Leg section (LS) gearbox A 4 13 15 9 14 10 7 19 18 16 11 8 12 A 69 5 17 Figure 32 Leg sections gearbox 4 Cover (sheet metal guard) 5 Cover foil 6 LS joint 7 Cylindrical pin Ø 10 mm x 24 mm 8 M4x12 machine screw 9 Slip ring 10 Groove ring 11 LS drive unit (consists of items 14 and 15) 12 13 14 15 16 17 18 19 M5x50 machine screw M8x16 machine screw Leg section motor LS gear M3x16 machine screw Standard rail joint M4x12 machine screw Leg section toothed belt 6. Unscrew the standard rail joint [17] (2 countersunk screws), and put them down in a safe place. 7. Pull the self-adhesive covering foil off the seat section strut. 8. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 9. Unclip the red and black cables (leg section motor) from the plug. 10. Unscrew the LS drive unit [11] (2 machine screws [12] from the front of the seat section strut, and 2 machine screws [13] from the strut). 11. Take care not to damage the cables of the leg section motor. Carefully pull out the LS drive unit [11]. 12. Take note of the mounting position of the toothed belt. Carefully pull the leg section motor [14] out of the leg section toothed belt [19]. 13. Carefully pull out the LS drive unit [11], and put it down safely. 14. Remove the self-adhesive covering foils [5] from the left and right of the LS joint [6]. 15. Remove 6 cylindrical pins [7] with a pin remover, and put them down in a safe place. 16. Remove 6 machine screws [8], and put them down in a safe place. 64 Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) gearbox 17. Pull off the LS joint [6], remove 2 slip rings [9] and groove rings [10] in each case, and put them down in a safe place. 18. Unscrew the leg section motor [14] from the LS joint [15] (4 machine screws), and remove it. 19. Screw the leg section motor [14] to the new LS gear (4 machine screws). 20. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the LS drive unit [11] together with the connecting cables carefully into the seat section strut, and thread in the cables of the leg section motor. 21. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the leg section motor [14] into the leg section toothed belt [19]. 22. Mount the LS drive unit [11] (2 machine screws [12] on the front of the seat section strut and 2 machine screws [13] on the strut). 23. If necessary insert new groove rings [10] left and right into the grooves in the LS gear housing. 24. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [9] onto the groove rings, and slide the LS joint [6] onto the LS gear [15]. 25. Align the LS joint [6] horizontally (zero position), and screw it to the LS drive unit [11] (6 machine screws [8]). 26. Knock in 6 cylindrical pins [7]. 27. Mount the joint [17] (2 countersunk screws). 28. If necessary, attach new self-adhesive covering foils [5] to the left and right of the LS joint [6]. 29. Connect the red and black cables of the leg section motor to the plug (see circuit diagram on page 273). 30. Adjust the leg section toothed belt [19]: - Loosen the central machine screw [18] in the leg section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [16] on the leg section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [18]. 31. Reattach the positive connectors to the both batteries. 32. Insert both battery fuses. 33. Connect the power supply, and switch the operating table on. Service Manual MARS 2 – 1 435 274 – 09/2013 65 Leg section (LS) gearbox 34. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 35. Disconnect the power supply cable from the mains supply. 36. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 37. Carefully insert the plug into the seat section strut. 38. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 39. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 40. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 41. Press the previously removed pad [1] onto the 4 ball-heads [3]. 42. Mount the cover plate (4 countersunk screws). 43. Put the cover battery compartment on the running gear. 44. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 66 Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) motor 6.3 Leg section (LS) motor CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 33 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. Figure 34 Leg section motor 4 Cover (sheet metal guard) 5 LS drive unit (consists of items 8 and 9) 6 M5x50 machine screw 7 M8x16 machine screw 6. 8 9 10 11 12 Leg section motor LS gear M3x16 machine screw M4x12 machine screw Leg section toothed belt Pull the self-adhesive covering foil off the seat section strut. Service Manual MARS 2 – 1 435 274 – 09/2013 67 Leg section (LS) motor 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the red and black cables (leg section motor) from the plug. 9. Unscrew the LS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the leg section motor. Carefully pull out the LS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the leg section motor [8] out of the leg section toothed belt [12]. 12. Carefully pull out the LS drive unit [5], and put it down safely. 13. Unscrew the leg section motor [8] from the LS joint [9] (4 machine screws), and remove it. 14. Screw the new leg section motor to the LS gear [9] (4 machine screws). 15. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the LS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the leg section motor. 16. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the leg section motor [8] into the leg section toothed belt [12]. 17. Mount the LS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 18. Connect the red and black cables of the leg section motor to the plug (see circuit diagram on page 273). 19. Adjust the leg section toothed belt [12]: - Loosen the central machine screw [11] in the leg section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [10] on the leg section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [11]. 20. Reattach the positive connectors to the both batteries. 21. Insert both battery fuses. 22. Connect the power supply, and switch the operating table on. 23. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 24. Disconnect the power supply cable from the mains supply. 68 Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) motor 25. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 26. Carefully insert the plug into the seat section strut. 27. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 28. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 29. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 30. Press the previously removed pad [1] onto the 4 ball-heads [3]. 31. Mount the cover plate (4 countersunk screws). 32. Put the cover battery compartment on the running gear. 33. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 69 Leg section (LS) toothed belt 6.4 Leg section (LS) toothed belt 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 35 Pad plate 1 Pad 2 Plastic plate 70 3 M8 ball-head 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) toothed belt 9 A 13 10 4 12 11 5 7 12 15 8 14 A 6 Figure 36 Leg section toothed belt 4 Cover (sheet metal guard) 5 LS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Leg section motor 9 Toothed-belt cover 10 11 12 13 14 15 Toothed-belt guide Bridge Leg section toothed belt Seat section strut M3x16 machine screw M4x12 machine screw 6. Pull the self-adhesive covering foil off the seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the red and black cables (leg section motor) from the plug. 9. Unscrew the LS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the leg section motor. Carefully pull out the LS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the leg section motor [8] out of the leg section toothed belt [12]. 12. Carefully pull out the LS drive unit [5], and put it down safely. 13. Repeat work steps 6. to 12. on the other seat section strut. 14. MARS 2.02 to 2.06, MARS 2.11 Remove the toothed-belt cover [9] (4 countersunk screws), and put them down in a safe place. 15. Take note of the mounting position of the toothed belt. Pull the leg section toothed belt [12] through the seat section struts [13], and remove it. Service Manual MARS 2 – 1 435 274 – 09/2013 71 Leg section (LS) toothed belt 16. MARS 2.01 Put the toothed belt back into its original position. Insert the ends of the new leg section toothed belt carefully into the two seat section struts, and place between the pins. 17. MARS 2.02 to 2.06, MARS 2.11 Put the toothed belt back into its original position. Carefully thread the ends of the leg section toothed belt into the two seat section struts [13], and insert it into the bridge [11] (between the toothed-belt guides [10]). 18. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the LS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the leg section motor. 19. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the leg section motor [8] into the leg section toothed belt [12]. 20. Mount the LS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 21. Connect the red and black cables of the leg section motor to the plug (see circuit diagram on page 273). 22. Repeat work steps 18. to 21. on the other seat section strut. 23. Adjust the leg section toothed belt [12]: Tension equally at both ends. - Loosen the central machine screw [15] in the leg section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [14] on the leg section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [15]. 24. MARS 2.02 to 2.06, MARS 2.11 Mount the toothed-belt cover [9] (4 countersunk screws). 25. Reattach the positive connectors to the both batteries. 26. Insert both battery fuses. 27. Connect the power supply, and switch the operating table on. 28. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 29. Disconnect the power supply cable from the mains supply. 72 Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) toothed belt 30. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 31. Carefully insert the plug into the seat section strut. 32. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 33. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 34. Repeat work steps 31. to 33. on the other seat section strut. 35. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 36. Press the previously removed pad [1] onto the 4 ball-heads [3]. 37. Mount the cover plate (4 countersunk screws). 38. Put the cover battery compartment on the running gear. 39. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 73 Leg section (LS) joint 6.5 Leg section (LS) joint 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 1 2 3 Figure 37 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. 10 6 5 7 8 9 11 4 Figure 38 Leg section joint 4 Cover foil 5 LS joint 6 Cylindrical pin Ø 10 mm x 24 mm 7 M4x12 machine screw 7. 74 8 9 10 11 Slip ring Groove ring LS gear Standard rail joint Unscrew the standard rail joint [11] (2 countersunk screws), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) joint 8. Remove the self-adhesive covering foils [4] from the left and right of the LS joint [5]. 9. Remove 6 cylindrical pins [6] with a pin remover, and put them down in a safe place. 10. Remove 6 machine screws [7], and put them down in a safe place. 11. Pull off the LS joint [5], remove 2 slip rings [8] and groove rings [9] in each case. 12. If necessary insert new groove rings [9] left and right into the grooves in the LS gear housing. 13. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [8] onto the groove rings, and slide the new LS joint [5] onto the LS gear [10]. 14. Align the LS joint [5] horizontally (zero position), and screw it to the LS drive unit (6 machine screws [7]). 15. Knock in 6 cylindrical pins [6]. 16. Mount the joint [11] (2 countersunk screws). 17. If necessary, attach new self-adhesive covering foils [4] to the left and right of the LS joint [5]. 18. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 19. Press the previously removed pad [1] onto the 4 ball-heads [3]. 20. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 75 Back section (BS) gearbox (MARS 2.01-2.06) 6.6 Back section (BS) gearbox (MARS 2.01-2.06) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 39 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pads [1] off the seat and back sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat and back sections (4 ball-heads [3] from each), and put them down in a safe place. 16 4 8 7 17 9 14 10 A 12 5 13 6 A 18 11 Figure 40 Back section gearbox 4 M4x12 machine screw 5 Cover foil 6 Cylindrical pin Ø 10 mm x 24 mm 7 M4x12 machine screw 8 Strut of the BS joint 9 Slip ring 10 Groove ring 11 Cover (sheet metal guard) 6. 76 15 12 BS drive unit (consists of items 15 and 18) 13 M5x50 machine screw 14 M8x16 machine screw 15 Back section motor 16 M3x16 machine screw 17 Back section toothed belt 18 BS gear Remove the self-adhesive covering foils [5] from the left and right of the strut of the BS joint [8]. Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) gearbox (MARS 2.01-2.06) 7. Remove 6 cylindrical pins [6] with a pin remover, and put them down in a safe place. 8. Remove 6 machine screws [4], and put them down in a safe place. 9. Pull off the strut of the BS joint [8], remove 2 slip rings [9] and groove rings [10] in each case, and put them down in a safe place. 10. Pull the self-adhesive covering foil off the seat section strut. 11. Remove the cover (sheet metal guard) [11] (2 machine screws), and put them down in a safe place. 12. Unclip the red and black cables (back section motor) from the plug. 13. Unscrew the BS drive unit [12] (2 machine screws [13] from the front of the seat section strut and 2 machine screws [14] from the strut). 14. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [12]. 15. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [15] out of the back section toothed belt [17]. 16. Pull out the BS drive unit [12], and put it down in a safe place. 17. Unscrew the back section motor [15] from the BS gear [18] (4 machine screws), and remove it. 18. Screw the back section motor [15] to the new BS gear (4 machine screws). 19. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [12] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 20. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [15] into the back section toothed belt [17]. 21. Mount the BS drive unit [12] (2 machine screws [13] on the front of the seat section strut and 2 machine screws [14] on the strut). 22. If necessary insert new groove rings [10] left and right into the grooves in the BS gear housing. 23. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [9] onto the groove rings, and slide the strut of the BS joint [8] onto the BS gear. 24. Align the strut of the BS joint [8] horizontally (zero position), and screw it to the BS drive unit [12] (6 machine screws [7]). 25. Knock in 6 cylindrical pins [6]. 26. If necessary, attach new self-adhesive covering foils to the left and right of the strut of the BS joint [8]. Service Manual MARS 2 – 1 435 274 – 09/2013 77 Back section (BS) gearbox (MARS 2.01-2.06) 27. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 28. Adjust the back section toothed belt [17]: - Loosen the central machine screw [4] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [16] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [4]. 29. Reattach the positive connectors to the both batteries. 30. Insert both battery fuses. 31. Connect the power supply, and switch the operating table on. 32. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 33. Disconnect the power supply cable from the mains supply. 34. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 35. Carefully insert the plug into the seat section strut. 36. Mount the cover (sheet metal guard) [11] and connect the cable shielding (2 machine screws). 37. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 38. Mount the plastic plates [2] on the seat and back sections (each held by 4 ballheads [3]). 39. Press the previously removed pads [1] onto the 4 ball-heads [3]. 40. Mount the cover plate (4 countersunk screws). 41. Put the cover battery compartment on the running gear. 42. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 78 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) gearbox (MARS 2.11) 6.7 Back section (BS) gearbox (MARS 2.11) CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 41 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pad [1] off the seat section, and put them down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 79 Back section (BS) gearbox (MARS 2.11) Figure 42 Back section gearbox 4 Cover (sheet metal guard) 5 Cover foil 6 BS joint 7 Cylindrical pin Ø 10 mm x 24 mm 8 M4x12 machine screw 9 Slip ring 10 Groove ring 11 BS drive unit (consists of items 14 and 15) 12 13 14 15 16 17 18 19 M5x50 machine screw M8x16 machine screw Back section motor BS gear M3x16 machine screw Standard rail joint M4x12 machine screw Back section toothed belt 6. Unscrew the standard rail joint [17] (2 countersunk screws), and put them down in a safe place. 7. Pull the self-adhesive covering foil off the seat section strut. 8. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 9. Unclip the red and black cables (back section motor) from the plug. 10. Unscrew the BS drive unit [11] (2 machine screws [12] from the front of the seat section strut, and 2 machine screws [13] from the strut). 11. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [11]. 12. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [14] out of the back section toothed belt [19]. 13. Carefully pull out the BS drive unit [11], and put it down safely. 14. Remove the self-adhesive covering foils [5] from the left and right of the BS joint [6]. 15. Remove 6 cylindrical pins [7] with a pin remover, and put them down in a safe place. 16. Remove 6 machine screws [8], and put them down in a safe place. 17. Pull off the BS joint [6], remove 2 slip rings [9] and groove rings [10] in each case, and put them down in a safe place. 18. Unscrew the back section motor [14] from the BS joint [15] (4 machine screws), and remove it. 19. Screw the back section motor [14] to the new BS gear (4 machine screws). 80 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) gearbox (MARS 2.11) 20. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [11] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 21. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [14] into the back section toothed belt [19]. 22. Mount the BS drive unit [11] (2 machine screws [12] on the front of the seat section strut and 2 machine screws [13] on the strut). 23. If necessary insert new groove rings [10] left and right into the grooves in the BS gear housing. 24. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [9] onto the groove rings, and slide the BS joint [6] onto the BS gear [15]. 25. Align the BS joint [6] horizontally (zero position), and screw it to the BS drive unit [11] (6 machine screws [8]). 26. Knock in 6 cylindrical pins [7]. 27. Mount the joint [17] (2 countersunk screws). 28. If necessary, attach new self-adhesive covering foils [5] to the left and right of the BS joint [6]. 29. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 30. Adjust the back section toothed belt [19]: - Loosen the central machine screw [18] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [16] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [18]. 31. Reattach the positive connectors to the both batteries. 32. Insert both battery fuses. 33. Connect the power supply, and switch the operating table on. 34. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 35. Disconnect the power supply cable from the mains supply. Service Manual MARS 2 – 1 435 274 – 09/2013 81 Back section (BS) gearbox (MARS 2.11) 36. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 37. Carefully insert the plug into the seat section strut. 38. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 39. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 40. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 41. Press the previously removed pad [1] onto the 4 ball-heads [3]. 42. Mount the cover plate (4 countersunk screws). 43. Put the cover battery compartment on the running gear. 44. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 82 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) motor (MARS 2.01-2.06) 6.8 Back section (BS) motor (MARS 2.01-2.06) CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 43 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pads [1] off the seat and back sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat and back sections (4 ball-heads [3] from each), and put them down in a safe place. 5 A 8 7 9 10 4 6 11 12 A Figure 44 Back section motor 4 Cover (sheet metal guard) 5 BS drive unit (consists of items 8 and 9) 6 M5x50 machine screw 7 M8x16 machine screw 6. 8 9 10 11 12 Back section motor BS gear M3x16 machine screw M4x12 machine screw Back section toothed belt Pull the self-adhesive covering foil off the seat section strut. Service Manual MARS 2 – 1 435 274 – 09/2013 83 Back section (BS) motor (MARS 2.01-2.06) 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the red and black cables (back section motor) from the plug. 9. Hold the back section strut securely. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [12]. 12. Pull out the BS drive unit [5], and put it down in a safe place. 13. Unscrew the back section motor [8] from the BS gear [9] (4 machine screws), and remove it. 14. Screw the new back section motor to the BS gear [9] (4 machine screws). 15. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 16. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [12]. 17. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 18. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 19. Adjust the back section toothed belt [12]: - Loosen the central machine screw [11] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [10] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [11]. 20. Reattach the positive connectors to the both batteries. 21. Insert both battery fuses. 22. Connect the power supply, and switch the operating table on. 23. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 24. Disconnect the power supply cable from the mains supply. 84 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) motor (MARS 2.01-2.06) 25. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 26. Carefully insert the plug into the seat section strut. 27. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 28. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 29. Mount the plastic plates [2] on the seat and back sections (each held by 4 ballheads [3]). 30. Press the previously removed pads [1] onto the 4 ball-heads [3]. 31. Mount the cover plate (4 countersunk screws). 32. Put the cover battery compartment on the running gear. 33. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 85 Back section (BS) motor (MARS 2.11) 6.9 Back section (BS) motor (MARS 2.11) CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 45 Pad plate 1 Pad 2 Plastic plate M8 ball-head 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. Figure 46 Back section motor 4 Cover (sheet metal guard) 5 BS drive unit (consists of items 8 and 9) 6 M5x50 machine screw 7 M8x16 machine screw 86 3 8 9 10 11 12 Back section motor BS gear M3x16 machine screw M4x12 machine screw Back section toothed belt 6. Pull the self-adhesive covering foil off the seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) motor (MARS 2.11) 8. Unclip the red and black cables (back section motor) from the plug. 9. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [12]. 12. Carefully pull out the BS drive unit [5], and put it down safely. 13. Unscrew the back section motor [8] from the BS joint [9] (4 machine screws), and remove it. 14. Screw the new back section motor to the BS gear [9] (4 machine screws). 15. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 16. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [12]. 17. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 18. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 19. Adjust the back section toothed belt [12]: - Loosen the central machine screw [11] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [10] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [11]. 20. Reattach the positive connectors to the both batteries. 21. Insert both battery fuses. 22. Connect the power supply, and switch the operating table on. 23. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 24. Disconnect the power supply cable from the mains supply. Service Manual MARS 2 – 1 435 274 – 09/2013 87 Back section (BS) motor (MARS 2.11) 25. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 26. Carefully insert the plug into the seat section strut. 27. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 28. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 29. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 30. Press the previously removed pad [1] onto the 4 ball-heads [3]. 31. Mount the cover plate (4 countersunk screws). 32. Put the cover battery compartment on the running gear. 33. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 88 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) toothed belt (MARS 2.01-2.06) 6.10 Back section (BS) toothed belt (MARS 2.01-2.06) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 47 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pads [1] off the seat and back sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat and back sections (4 ball-heads [3] from each), and put them down in a safe place. 5 10 6 A 9 8 13 11 17 15 13 14 16 7 4 13 12 A Figure 48 Back section toothed belt 4 Cover (sheet metal guard) 5 Back section strut 6 BS drive unit (consists of items 9 and 17) 7 M5x50 machine screw 8 M8x16 machine screw 9 Back section motor 10 Toothed-belt cover Service Manual MARS 2 – 1 435 274 – 09/2013 11 12 13 14 15 16 17 Toothed-belt guide Bridge Back section toothed belt Seat section strut M3x16 machine screw M4x12 machine screw BS gear 89 Back section (BS) toothed belt (MARS 2.01-2.06) 6. Pull the self-adhesive covering foil off the seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the red and black cables (back section motor) from the plug. 9. Hold the back section strut [5] securely. Unscrew the BS drive unit [6] (2 machine screws [7] from the front of the seat section strut and 2 machine screws [8] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [6]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [9] out of the back section toothed belt [13]. 12. Pull out the BS drive unit [6], and put it down in a safe place. 13. Repeat work steps 6. to 12. on the other seat section strut. 14. MARS 2.02 to 2.06 Remove the toothed-belt cover [10] (4 countersunk screws), and put them down in a safe place. 15. Take note of the mounting position of the toothed belt. Pull the back section toothed belt [13] through the seat section struts [14], and remove it. 16. MARS 2.01 Put the toothed belt back into its original position. Insert the ends of the new back section toothed belt carefully into the two seat section struts, and place between the pins. 17. MARS 2.02 to 2.06 Put the toothed belt back into its original position. Carefully thread the ends of the back section toothed belt into the two seat section struts [14], and insert it into the bridge [12] (between the toothed-belt guides [11]). 18. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [6] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 19. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [9] into the back section toothed belt [13]. 20. Mount the BS drive unit [6] (2 machine screws [7] on the front of the seat section strut and 2 machine screws [8] on the strut). 21. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 22. Repeat work steps 18. to 21. on the other seat section strut. 23. Adjust the back section toothed belt [13]: Tension equally at both ends. 90 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) toothed belt (MARS 2.01-2.06) - Loosen the central machine screw [16] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [15] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [16]. 24. MARS 2.02 to 2.06 Mount the toothed-belt cover [10] (4 countersunk screws). 25. Reattach the positive connectors to the both batteries. 26. Insert both battery fuses. 27. Connect the power supply, and switch the operating table on. 28. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 29. Disconnect the power supply cable from the mains supply. 30. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 31. Carefully insert the plug into the seat section strut. 32. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 33. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 34. Repeat work steps 31. to 33. on the other seat section strut. 35. Mount the plastic plates [2] on the seat and back sections (each held by 4 ballheads [3]). 36. Press the previously removed pads [1] onto the 4 ball-heads [3]. 37. Mount the cover plate (4 countersunk screws). 38. Put the cover battery compartment on the running gear. 39. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 91 Back section (BS) toothed belt (MARS 2.11) 6.11 Back section (BS) toothed belt (MARS 2.11) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 49 Pad plate 1 Pad 2 Plastic plate M8 ball-head 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. Figure 50 Back section toothed belt 4 Cover (sheet metal guard) 5 BS drive unit (consists of items 8 and 16) 6 M5x50 machine screw 7 M8x16 machine screw 8 Back section motor 9 Toothed-belt cover 92 3 10 11 12 13 14 15 16 Toothed-belt guide Bridge Back section toothed belt Seat section strut M3x16 machine screw M4x12 machine screw BS gear Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) toothed belt (MARS 2.11) 6. Pull the self-adhesive covering foil off the seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the red and black cables (back section motor) from the plug. 9. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [12]. 12. Carefully pull out the BS drive unit [5], and put it down safely. 13. Repeat work steps 6. to 12. on the other seat section strut. 14. Remove the toothed-belt cover [9] (4 countersunk screws), and put them down in a safe place. 15. Take note of the mounting position of the toothed belt. Pull the back section toothed belt [12] through the seat section struts [13], and remove it. 16. Put the toothed belt back into its original position. Carefully thread the ends of the back section toothed belt into the two seat section struts [13], and insert it into the bridge [11] (between the toothed-belt guides [10]). 17. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 18. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [12]. 19. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 20. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 21. Repeat work steps 17. to 20. on the other seat section strut. 22. Adjust the back section toothed belt [12]: Tension equally at both ends. - Loosen the central machine screw [15] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [14] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [15]. 23. Mount the toothed-belt cover [9] (4 countersunk screws). Service Manual MARS 2 – 1 435 274 – 09/2013 93 Back section (BS) toothed belt (MARS 2.11) 24. Reattach the positive connectors to the both batteries. 25. Insert both battery fuses. 26. Connect the power supply, and switch the operating table on. 27. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 28. Disconnect the power supply cable from the mains supply. 29. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 30. Carefully insert the plug into the seat section strut. 31. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 32. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 33. Repeat work steps 31. to 33. on the other seat section strut. 34. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 35. Press the previously removed pad [1] onto the 4 ball-heads [3]. 36. Mount the cover plate (4 countersunk screws). 37. Put the cover battery compartment on the running gear. 38. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 94 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) joint and its components (MARS 2.01-2.06) 6.12 Back section (BS) joint and its components (MARS 2.01-2.06) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 3 1 2 10 9 8 4 5 6 11 Figure 51 Back section joint 1 Tension bolt 2 BS joint 3 Disc springs 4 Cylindrical pin 5 Locking lever 6 Pressure spring 7 8 9 10 11 7 Cam lever Thrust washer Thrust sleeve Shim ring Cylindrical pin 5. Open the cam lever [7] on the corresponding BS joint. 6. Knock the cylindrical pin [4] out, and put it down in a safe place. NOTE Prevent the compression spring [6] from springing out. 7. Carefully remove and safely put down the cam lever [7]. 8. Remove the thrust washer [8], shim rings [10] and thrust sleeve [9], and put them down in a safe place. 9. Carefully knock the tension bolt [1] out with a plastic hammer, and put it down in a safe place. 10. Remove the disc springs [3] and put them down in a safe place. 11. Remove the BS joint [2]. Service Manual MARS 2 – 1 435 274 – 09/2013 95 Back section (BS) joint and its components (MARS 2.01-2.06) 12. CAUTION Risk of material damage. Ensure that the teeth mesh. The teeth must mesh - not lie tooth on tooth. Attach the new BS joint. NOTE Also renew other damaged or defective parts. 13. Insert disk springs [3] (make sure they are fitted correctly). 14. Carefully knock the tension bolt with washer [1] in with a plastic hammer. 15. Slide on the thrust sleeve [9], shim rings [10] and thrust washer [8]. 16. Mount the cam lever [7] (knock in 1 cylindrical pin [4]). 17. Close cam lever [7]. NOTE The cam lever [7] must move easily. Toothing has no play in tensioned state. If necessary, readjust with shim rings [10]. 18. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 96 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) joint (MARS 2.11) 6.13 Back section (BS) joint (MARS 2.11) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. Figure 52 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. Figure 53 Back section joint 4 Cover foil 5 BS joint 6 Cylindrical pin Ø 10 mm x 24 mm 7 M4x12 machine screw Service Manual MARS 2 – 1 435 274 – 09/2013 8 9 10 11 Slip ring Groove ring BS gear Standard rail joint 97 Back section (BS) joint (MARS 2.11) 7. Unscrew the standard rail joint [11] (2 countersunk screws), and put them down in a safe place. 8. Remove the self-adhesive covering foils [4] from the left and right of the BS joint [5]. 9. Remove 6 cylindrical pins [6] with a pin remover, and put them down in a safe place. 10. Remove 6 machine screws [7], and put them down in a safe place. 11. Pull off the BS joint [5], remove 2 slip rings [8] and groove rings [9] in each case. 12. If necessary insert new groove rings [9] left and right into the grooves in the BS gear housing. 13. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [8] onto the groove rings, and slide the new BS joint [5] onto the BS gear [10]. 14. Align the BS joint [5] horizontally (zero position), and screw it to the BS drive unit (6 machine screws [7]). 15. Knock in 6 cylindrical pins [6]. 16. Mount the joint [11] (2 countersunk screws). 17. If necessary, attach new self-adhesive covering foils [4] to the left and right of the BS joint [5]. 18. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 19. Press the previously removed pad [1] onto the 4 ball-heads [3]. 20. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 98 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section strut (MARS 2.01-2.06) 6.14 Back section strut (MARS 2.01-2.06) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 1 2 3 Figure 54 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 5. Pull pads [1] off the seat and back sections, and put them down in a safe place. 6. Unscrew the plastic plates [2] from the seat and back sections (4 ball-heads [3] from each), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 99 Back section strut (MARS 2.01-2.06) 6 4 5 13 12 11 8 7 14 Figure 55 Back section joint 4 Tension bolt 5 BS joint 6 Disc springs 7 Cylindrical pin 8 Locking lever 9 Pressure spring 10 11 12 13 14 10 9 Cam lever Thrust washer Thrust sleeve Shim ring Cylindrical pin 7. Open the cam lever [10] on the corresponding BS joint [5]. 8. Knock the cylindrical pin [7] out, and put it down in a safe place. NOTE Prevent the compression spring [9] from springing out. 9. Carefully remove and safely put down the cam lever [10]. 10. Remove the thrust washer [11], shim rings [13] and thrust sleeve [12], and put them down in a safe place. 11. Carefully knock the tension bolt [4] out with a plastic hammer, and put it down in a safe place. 12. Remove the disc springs [6] and put them down in a safe place. 13. Remove the BS joint [5], and put it down in a safe place. 100 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section strut (MARS 2.01-2.06) 17 18 20 15 19 16 21 Figure 56 Back section strut (strut of the BS joint) 15 Groove ring 16 Cover foil 17 Strut of the BS joint 18 Cylindrical pin Ø 10 mm x 24 mm 19 M4x12 machine screw 20 Slip ring 21 BS drive unit 14. Remove the self-adhesive covering foils [16] from the left and right of the strut of the BS joint [17]. 15. Remove 6 cylindrical pins [18] with a pin remover, and put them down in a safe place. 16. Remove 6 machine screws [19], and put them down in a safe place. 17. Pull off the strut of the BS joint [17], remove 2 slip rings [20] and groove rings [15] in each case. 18. If necessary insert new groove rings [15] left and right into the grooves in the BS gear housing [21]. 19. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [22] onto the groove rings [15], and slide a new strut of the BS joint [17] onto the BS drive unit [21]. 20. Align the strut of the BS joint [17] horizontally (zero position), and screw it to the BS drive unit [21] (6 machine screws [19]). 21. Knock in 6 cylindrical pins [18]. 22. If necessary attach new self-adhesive covering foils [16] to the left and right of the strut of the BS joint [17]. 23. CAUTION Risk of material damage. Ensure that the teeth mesh. The teeth must mesh - not lie tooth on tooth. Attach the BS joint [5]. Service Manual MARS 2 – 1 435 274 – 09/2013 101 Back section strut (MARS 2.01-2.06) NOTE Also renew other damaged or defective parts. 24. Insert disk springs [6] (make sure they are fitted correctly). 25. Carefully knock the tension bolt [4] in with a plastic hammer. 26. Slide on the thrust sleeve [12], shim rings [13] and thrust washer [11]. 27. Mount the cam lever [10] (knock in 1 cylindrical pin [7]). 28. Close cam lever [10]. NOTE The cam lever must move easily. Toothing has no play in tensioned state. If necessary, readjust with shim rings [13]. 29. Mount the plastic plates [2] on the seat and back sections (each held by 4 ballheads [3]). 30. Press the previously removed pads [1] onto the 4 ball-heads [3]. 31. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 102 Service Manual MARS 2 – 1 435 274 – 09/2013 Energy chain (not MARS 2.01) 6.15 Energy chain (not MARS 2.01) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 4 4 2 A A Figure 57 Energy chain 1 Plate (panel) 2 Plate (Energy chain cover) 3 4 3 Energy chain End piece 4. Remove the plate (panel) [1] from the side of the seat section strut (2 countersunk screws), and put them down in a safe place. 5. Remove the plate (energy chain cover) [2] from the column head (2 machine screws), and put them down in a safe place. 6. Remove the cable binders, and unhook the energy chain [3] from one/both end piece(s) [4]. 7. Note the positions of the cables. Carefully pull the cables out of the energy chain. 8. If necessary, unscrew the end pieces [4] of the energy chain (2 countersunk screws), and replace with new ones. 9. CAUTION Risk of damaging the insulation on the cable. Take care that cables are not crushed during assembly. Put the cables back into their original positions. Lay the cables into the energy chain (do not cross them over). 10. Hook the energy chain [3] onto the end pieces [4]. Lock the chain links completely together. 11. Fix the cables with cable binders. Service Manual MARS 2 – 1 435 274 – 09/2013 103 Energy chain (not MARS 2.01) 12. CAUTION Risk of damaging the insulation on the cable. Take care that cables are not crushed during assembly. Mount the plate (energy chain cover) [2] on the column head (2 machine screws). 13. Mount the plate (panel) [1] on the side of the seat section strut (2 countersunk screws). 14. Connect the batteries (see section 5.2 on page 16). 15. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 104 Service Manual MARS 2 – 1 435 274 – 09/2013 Locking unit (not MARS 2.01) 6.16 Locking unit (not MARS 2.01) CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the head end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 58 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. 4 6 5 7 8 Figure 59 Locking unit 4 Head cover 5 M5x12 machine screw 6 Locking unit Service Manual MARS 2 – 1 435 274 – 09/2013 7 8 upper bolt lower bolt 105 Locking unit (not MARS 2.01) 7. NOTE Do not let any parts fall into the column. Remove the head cover [4] (4 fillister-head screws), and put them down in a safe place. 8. Take note of where the cables have been laid. Pull the plug out of the defective locking unit at the side of the membrane keyboard on the column head [6], and remove the cable binders. 9. Remove 4 machine screws [5] from the locking unit [6], and put them down in a safe place. 10. Remove one retaining washer from each of the upper [7] and lower bolts [8] (not from the bolt with the hinge springs), and put them down in a safe place. 11. Hold the locking unit [6] securely. Remove the upper [7] and lower bolts [8], and put them down in a safe place. 12. Take note of where the locking unit [6] had been fitted. Carefully pull the defective locking unit out of the column head, and remove it. 13. Put the locking unit back into its original position. Carefully insert the new locking unit into the column head. 14. Insert the lower bolt [7], and mount the retaining washer. 15. Insert the upper bolt [8], and mount the retaining washer. 16. Mount the locking unit [6] on the column head (4 machine screws [5]). 17. Put the cables back into their original positions, and connect the plugs to the new locking unit [6]. Fix the cables with cable binders. 18. Do not jam or damage the expansion bellows. Place the head cover [4] carefully on the tabletop, and screw tight (4 fillister-head screws). 19. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 20. Press the seat section pad [1] onto the 4 ball-heads [3]. 21. Connect the batteries (see section 5.2 on page 16). 22. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 106 Service Manual MARS 2 – 1 435 274 – 09/2013 Distributor board 6.17 Distributor board CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.06, MARS 2.11 Move the tabletop carefully up to the head end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 60 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 107 Distributor board 4 5 6 5 7 6 Figure 61 Distribution board with holder 4 Head cover 5 Distributor board 7. 6 7 Holder Snap-in lug NOTE Do not let any parts fall into the column. Remove the head cover [4] (4 fillister-head screws), and put them down in a safe place. 8. Take note of where the cables have been laid. Pull all plugs out of the defective distributor board [5], and remove the cable binders. 9. Unscrew the holder [6] with the distributor board [5] from the tabletop (4 countersunk screws), free it up, and carefully remove it in an upward direction. 10. Press 4 snap-in lugs [7] (spacers) together, starting on one side of the distributor board [5], and carefully pull the printed circuit board up and off the holder [6]. 11. Place the new distributor board on the snap-in lugs [7] of the holder [6], and click it securely into place. 12. Insert the holder [6] carefully into the tabletop, and mount (4 countersunk screws). 108 Service Manual MARS 2 – 1 435 274 – 09/2013 Distributor board A B Figure 62 Distributor board A Seat section strut side X2 IR/RS485 interface (only MARS 2.01) X3 RS485/232 interface (1x MARS 2.01, 2x MARS 2.02-2.06, 2x MARS 2.11) X4 HE (head end) IR/interface X5 LE (foot end) IR/interface X6 LD microbutton B Column head side X7 REF/BP -35° sensors X9 End sensors X13 Spare X14 OR adapter sensor 13. Put the cables back into their original positions, and insert all plugs into the new distributor board [5] (see circuit diagram on page 273). Fix the cables with cable binders. 14. Do not jam or damage the expansion bellows. Place the head cover [4] carefully on the tabletop, and screw tight (4 fillister-head screws). 15. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 16. Press the seat section pad [1] onto the 4 ball-heads [3]. 17. Connect the batteries (see section 5.2 on page 16). 18. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 109 Longitudinal displacement (LD) microbutton (not MARS 2.01) 6.18 Longitudinal displacement (LD) microbutton (not MARS 2.01) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the head end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 63 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. 4 5 Figure 64 LD microbutton 4 Head cover 7. 5 Distributor board NOTE Do not let any parts fall into the column. Remove the head cover [4] (4 fillister-head screws), and put them down in a safe place. 110 Service Manual MARS 2 – 1 435 274 – 09/2013 Longitudinal displacement (LD) microbutton (not MARS 2.01) 7 8 9 6 A A Figure 65 LD microbutton 6 Plate (panel) 7 Energy chain 8 9 Plate (Energy chain cover) LD microbutton 8. Remove the plate (panel) [6] from the side of the seat section strut (2 countersunk screws), and put them down in a safe place. 9. Remove the plate (energy chain cover) [8] from the column head (2 machine screws), and put them down in a safe place. 10. Reattach the positive connectors to the both batteries. 11. Insert both battery fuses. 12. Switch on the operating table, and carefully displace the tabletop toward the foot end until it meets the stop. 13. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 14. Remove and safely put down the both battery fuses. 15. Disconnect the positive connectors from the both batteries. 16. Take note of the mounting position of the LD microbutton. Unscrew the LD microbutton [9] together with holding plate (on the right-hand side at the bottom of the column head above the energy chain [7]; 2 countersunk screws). 17. Take note of where the cables have been laid. Pull the LD microbutton plugs out of the distributor board [5], and remove the cable binders. 18. Remove the holding plate together with LD microbutton and its cable from the column head. 19. Unscrew the defective LD microbutton [9] from the holding plate (2 machine screws). 20. Mount the new LD microbutton [9] on the holding plate (2 machine screws). Service Manual MARS 2 – 1 435 274 – 09/2013 111 Longitudinal displacement (LD) microbutton (not MARS 2.01) 21. Put the LD microbutton back into its original position. Insert and mount the LD microbutton [9], together with the holding plate, in the column head (2 countersunk screws). 22. Put the cables back into their original positions, and insert the plug of the LD microbutton [9] into the appropriate socket on the distributor board [5]. Fix the cables with cable binders. 23. Reattach the positive connectors to the both batteries. 24. Insert both battery fuses. 25. Switch on the operating table, and carefully displace the tabletop toward the head end until it meets the stop. 26. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 27. CAUTION Risk of damaging the insulation on the cable. Take care that cables are not crushed during assembly. Mount the plate (energy chain cover) [8] on the column head (2 machine screws). 28. Mount the plate (panel) [6] on the side of the seat section strut (2 countersunk screws). 29. Do not jam or damage the expansion bellows. Place the head cover [4] carefully on the tabletop, and screw tight (4 fillister-head screws). 30. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 31. Press the seat section pad [1] onto the 4 ball-heads [3]. 32. Mount the cover plate (4 countersunk screws). 33. Put the cover battery compartment on the running gear. 34. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 112 Service Manual MARS 2 – 1 435 274 – 09/2013 OR adapter sensor MARS 2.01 6.19 OR adapter sensor MARS 2.01 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 4. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 5. Pull the central self-adhesive covering foil off the right-hand seat section strut. 6. Take note of where the cables have been laid. Pull the plug of the OR adapter sensor out of the distributor board, and remove the cable binders. 7. Unscrew the standard rail from the right-hand seat section strut (3 countersunk screws), and put them down in a safe place. 8. Remove OR adapter sensor. 9. Put the cable back into its original position. Thread the cable of the new OR adapter sensor through the strut into the column head, and insert the sensor plug into the appropriate socket on the distributor board. Fix the cable with cable binders. 10. Position the OR adapter sensor, and mount the standard rail on the seat section strut (3 countersunk screws). 11. If necessary, attach new self-adhesive covering foil over the aperture in the seat section strut. 12. Do not jam or damage the expansion bellows. Place the head cover carefully on the tabletop, and screw tight (4 fillister-head screws). 13. Remount the plastic plate on the seat section (each held by 4 ball-heads). 14. Press the previously removed pads onto the 4 ball-heads. 15. Connect the batteries (see section 5.2 on page 16). 16. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 113 OR adapter sensor (not MARS 2.01) 6.20 OR adapter sensor (not MARS 2.01) 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 4. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). 3 1 4 2 2 Figure 66 OR adapter sensor 1 Head cover 2 OR adapter sensor 3 4 Distributor board M3x6 machine screw 5. Take note of where the cables have been laid. Pull the plug of the OR adapter sensor [2] out of the distributor board [3], and remove the cable binders. 6. Unscrew the OR adapter sensor [2] from the foot end of the column head (2 machine screws [4]). 7. Remove the defective OR adapter sensor [2] and its cable from the column head. 8. Thread the cable of the new OR adapter sensor into the column head, and mount the sensor (2 machine screws [4]). 9. Put the cables back into their original positions, and insert the plug of the OR adapter sensor [2] into the appropriate socket on the distributor board [3]. Fix the cables with cable binders. 10. Do not jam or damage the expansion bellows. Place the head cover [1] carefully on the tabletop, and screw tight (4 fillister-head screws). 11. Remount the plastic plate on the seat section (4 ball-heads). 12. Press the seat section pad onto the 4 ball-heads. 13. Connect the batteries (see section 5.2 on page 16). 14. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 114 Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) END sensor 6.21 Leg section (LS) END sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 67 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. 6. Pull the self-adhesive covering foils off the right-hand seat section strut. 13 12 4 11 A 7 A 8 5 14 10 9 6 Figure 68 LS END sensor (right-hand seat section strut) 4 Cover (sheet metal guard) 5 LS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Leg section motor 9 M4x12 countersunk screw Service Manual MARS 2 – 1 435 274 – 09/2013 10 11 12 13 14 LS END sensor M3x16 machine screw M4x12 machine screw Leg section toothed belt Terminal block 115 Leg section (LS) END sensor 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (LS END sensor) and red and black (leg section motor) cables from the plug. 9. Unscrew the LS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the leg section motor. Carefully pull out the LS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the leg section motor [8] out of the leg section toothed belt [13]. 12. Carefully pull out the LS drive unit [5], and put it down safely. 13. Loosen the countersunk screw [9] on the inner side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [9] as the terminal block [14] would then fall. 14. Pull the defective LS END sensor [10] out of the seat section strut. 15. Push the new LS END sensor [10] through the terminal block [14] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the LS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the leg section motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the leg section motor [8] into the leg section toothed belt [13]. 18. Mount the LS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (LS END sensor) and red and black (leg section motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the leg section toothed belt [13]: - Loosen the central machine screw [12] in the leg section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [11] on the leg section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [12]. 21. Position the LS END sensor [10] in the seat section strut, and fixate with an countersunk screw [9]. 22. Reattach the positive connectors to the both batteries. 23. Insert both battery fuses. 116 Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) END sensor 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensor is in good working order. If necessary, readjust the LS END sensor [10] (see section 8.3 on page 192). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 32. Press the previously removed pad [1] onto the 4 ball-heads [3]. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 117 Back section (BS) END sensor 6.22 Back section (BS) END sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 69 Pad plate 1 Pad 2 Plastic plate 118 3 M8 ball-head 4. Pull pads [1] off the seat and back sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat and back sections (4 ball-heads [3] from each), and put them down in a safe place. 6. Pull the self-adhesive covering foils off the right-hand seat section strut. Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) END sensor 6 5 8 15 7 4 A 11 12 14 13 10 9 A Figure 70 BS END sensor (right-hand seat section strut) 4 Cover (sheet metal guard) 5 Back section strut 6 M5x50 machine screw 7 M8x16 machine screw 8 Back section motor 9 M4x12 countersunk screw 10 11 12 13 14 15 BS END sensor M3x16 machine screw M4x12 machine screw Back section toothed belt Terminal block BS drive unit 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (BS END sensor) and red and black (back section motor) cables from the plug. 9. Hold the back section strut [5] securely. Unscrew the BS drive unit (2 machine screws) [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [13]. 12. Pull out the BS drive unit [15], and put it down in a safe place. 13. Loosen the countersunk screw [9] on the inner side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [9] as the terminal block [14] would then fall. 14. Pull the defective BS END sensor [10] out of the seat section strut. 15. Push the new BS END sensor [10] through the terminal block [14] in the seat section strut. Service Manual MARS 2 – 1 435 274 – 09/2013 119 Back section (BS) END sensor 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [15] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [13]. 18. Mount the BS drive unit [15] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (BS END sensor) and red and black (back section motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the back section toothed belt [13]: - Loosen the central machine screw [12] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [11] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [12]. 21. Position the BS END sensor [10] in the seat section strut, and fixate with an countersunk screw [9]. 22. Reattach the positive connectors to the both batteries. 23. Insert both battery fuses. 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensor is in good working order. Readjust the BS END sensor [10] if necessary (see section 8.4 on page 193). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Mount the plastic plates [2] on the seat and back sections (each held by 4 ballheads [3]). 120 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) END sensor 32. Press the previously removed pads [1] onto the 4 ball-heads [3]. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 121 Leg section (LS) reference (REF) sensor 6.23 Leg section (LS) reference (REF) sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 71 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. 6. Pull the self-adhesive covering foils off the left-hand seat section strut. A 15 17 B 4 10 4 47 49 A 57 85 11 12 5 46 Figure 72 LS REF sensor (left-hand seat section strut) 4 Cover (sheet metal guard) 5 LS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Leg section motor 9 M4x12 countersunk screw 7. 122 14 13 B 10 11 12 13 14 15 LS REF sensor M3x16 machine screw LS -35° END sensor M4x12 machine screw Leg section toothed belt Terminal block Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) reference (REF) sensor 8. Unclip the blue and brown (LS REF sensor) and red and black (leg section motor) cables from the plug. 9. Unscrew the LS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the leg section motor. Carefully pull out the LS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the leg section motor [8] out of the leg section toothed belt [14]. 12. Carefully pull out the LS drive unit [5], and put it down safely. 13. Loosen the countersunk screw [9] on the inner side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [9] as the terminal block [15] would then fall. 14. Pull the defective LS REF sensor [10] out of the seat section strut. 15. Push the new LS REF sensor [10] through the terminal block [15] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the LS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the leg section motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the leg section motor [8] into the leg section toothed belt [14]. 18. Mount the LS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (LS REF sensor) and red and black (leg section motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the leg section toothed belt [14]: - Loosen the central machine screw [13] in the leg section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [11] on the leg section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [13]. 21. Position the LS REF sensor [10] in the seat section strut, and fixate with an countersunk screw [9]. 22. Reattach the positive connectors to the both batteries. 23. Insert both battery fuses. 24. Connect the power supply, and switch the operating table on. Service Manual MARS 2 – 1 435 274 – 09/2013 123 Leg section (LS) reference (REF) sensor 25. TEST Check that the sensors are in good working order. If necessary, readjust the LS REF sensor [10] and the LS -35° END sensor [12] (not MARS 2.01) (see section 8.7 on page 196 and see section 8.11 on page 200). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 32. Press the previously removed pad [1] onto the 4 ball-heads [6]. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 124 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) reference (REF) sensor 6.24 Back section (BS) reference (REF) sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 73 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pads [1] off the seat and back sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat and back sections (4 ball-heads [3] from each), and put them down in a safe place. 6. Pull the self-adhesive covering foils off the left-hand seat section strut. 11 12 13 7 8 5 B 4 B A 6 10 14 9 A Figure 74 BS REF sensor (left-hand seat section strut) 4 Cover (sheet metal guard) 5 BS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Back section motor 9 M4x12 countersunk screw Service Manual MARS 2 – 1 435 274 – 09/2013 10 11 12 13 14 BS REF sensor M3x16 machine screw M4x12 machine screw Back section toothed belt Terminal block 125 Back section (BS) reference (REF) sensor 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (BS REF sensor) and red and black (back section motor) cables from the plug. 9. Hold the back section strut securely. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [13]. 12. Pull out the BS drive unit [5], and put it down in a safe place. 13. Loosen the countersunk screw [9] on the inner side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [9] as the terminal block [14] would then fall. 14. Pull the defective BS REF sensor [10] out of the seat section strut. 15. Push the new BS REF sensor [10] through the terminal block [14] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [13]. 18. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (BS REF sensor) and red and black (back section motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the back section toothed belt [13]: - Loosen the central machine screw [12] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [11] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [12]. 21. Position the BS REF sensor [10] in the seat section strut, and fixate with an countersunk screw [9]. 22. Reattach the positive connectors to the both batteries. 126 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) reference (REF) sensor 23. Insert both battery fuses. 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensor is in good working order. If necessary, readjust the BS REF sensor [10] (see section 8.8 on page 197). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Mount the plastic plates [2] on the seat and back sections (each held by 4 ballheads [3]). 32. Press the previously removed pads [1] onto the 4 ball-heads [3]. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 127 Leg section (LS) -35° END sensor 6.25 Leg section (LS) -35° END sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). 1 2 3 Figure 75 Pad plate 1 Pad 2 Plastic plate 3 M8 ball-head 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 ball-heads [3]), and put them down in a safe place. 6. Pull the self-adhesive covering foils off the left-hand seat section strut. A 4 7 11 14 13 15 5 10 12 8 9 A 6 Figure 76 LS -35° END sensor (left-hand seat section strut) 4 Cover (sheet metal guard) 5 LS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Leg section motor 9 LS -35° END sensor 7. 128 10 11 12 13 14 15 M3x16 machine screw LS REF sensor M4x12 countersunk screw M4x12 machine screw Leg section toothed belt Terminal block Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Leg section (LS) -35° END sensor 8. Unclip the blue and brown (LS -35° END sensor) and red and black (leg section motor) cables from the plug. 9. Unscrew the LS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the leg section motor. Carefully pull out the LS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the leg section motor [8] out of the leg section toothed belt [14]. 12. Carefully pull out the LS drive unit [5], and put it down safely. 13. Loosen the countersunk screw [12] on the outer side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [12] as the terminal block [15] would then fall. 14. Pull the defective LS -35° END sensor [9] out of the seat section strut. 15. Push the new LS -35° END sensor [9] through the terminal block [15] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the LS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the leg section motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the leg section motor [8] into the leg section toothed belt [14]. 18. Mount the LS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (LS -35° END sensor) and red and black (leg section motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the led section toothed belt [14]: - Loosen the central machine screw [13] in the leg section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [10] on the leg section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [13]. 21. Position the LS -35° END sensor [9] in the seat section strut, and fixate with an countersunk screw [12]. 22. Reattach the positive connectors to the both batteries. 23. Insert both battery fuses in the battery compartment. 24. Connect the power supply, and switch the operating table on. Service Manual MARS 2 – 1 435 274 – 09/2013 129 Leg section (LS) -35° END sensor 25. TEST Check that the sensors are in good working order. If necessary, readjust the LS REF sensor [11] and the LS -35° END sensor [9] (see section 8.7 on page 196 and see section 8.11 on page 200). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Remount the plastic plate [2] on the seat section (4 ball-heads [3]). 32. Press the previously removed pad [1] onto the 4 ball-heads [3]. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 130 Service Manual MARS 2 – 1 435 274 – 09/2013 Plastic plate 7 Repair Guide for the Tabletop MARS 2.07/2.08 7.1 Plastic plate 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). Figure 77 Plastic plate 1 Pad 2 Plastic plate 3 4 M8x20 fillister-head screw Velcro 5. Pull pad [1] off the relevant section, and put it down in a safe place. 6. Unscrew the associated plastic plate [2] (4 screws [3]). 7. Mount a new plastic plate (4 screws [3]). 8. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 9. Connect the power supply, and switch the operating table on. Service Manual MARS 2 – 1 435 274 – 09/2013 131 Back section (BS) gearbox 7.2 Back section (BS) gearbox 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 78 Pad plate 1 Pad 2 Plastic plate 132 3 M8x20 fillister-head screw 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) gearbox Figure 79 Back section gearbox 4 Cover (sheet metal guard) 5 Cover foil 6 BS joint 7 Cylindrical pin Ø 10 mm x 24 mm 8 M4x12 machine screw 9 Slip ring 10 Groove ring 11 BS drive unit (consists of items 14 and 15) 12 13 14 15 16 17 18 19 M5x50 machine screw M8x16 machine screw Back section motor BS gear M3x16 machine screw Standard rail joint M4x12 machine screw Back section toothed belt 6. Unscrew the standard rail joint [17] (2 countersunk screws), and put them down in a safe place. 7. Pull the self-adhesive covering foils off the seat section strut. 8. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 9. Unclip the red and black cables (back section motor) from the plug. 10. Unscrew the BS drive unit [11] (2 machine screws [12] from the front of the seat section strut, and 2 machine screws [13] from the strut). 11. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [11]. 12. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [14] out of the back section toothed belt [19]. 13. Carefully pull out the BS drive unit [11], and put it down safely. 14. Remove the self-adhesive covering foil [5] from the left and right of the BS joint [6]. 15. Remove 6 cylindrical pins [7] with a pin remover, and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 133 Back section (BS) gearbox 16. Remove 6 machine screws [8], and put them down in a safe place. 17. Pull off the BS joint [6], remove 2 slip rings [9] and groove rings [10] in each case, and put them down in a safe place. 18. Unscrew the back section motor [14] from the BS joint [15] (4 machine screws), and remove it. 19. Screw the back section motor [14] to the new BS gear (4 machine screws). 20. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [11] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 21. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [14] into the back section toothed belt [19]. 22. Mount the BS drive unit [11] (2 machine screws [12] on the front of the seat section strut and 2 machine screws [13] on the strut). 23. If necessary insert new groove rings [10] left and right into the grooves in the BS gear housing. 24. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [9] onto the groove rings, and slide the BS joint [6] onto the BS gear [15]. 25. Align the BS joint [6] horizontally (zero position), and screw it to the BS drive unit [11] (6 machine screws [8]). 26. Knock in 6 cylindrical pins [7]. 27. Mount the joint [17] (2 countersunk screws). 28. If necessary, attach new self-adhesive covering foil [5] to the left and right of the BS joint [6]. 29. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 30. Adjust the back section toothed belt [19]: - Loosen the central machine screw [18] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [16] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [18]. 31. Reattach the positive connectors to the both batteries. 32. Insert both battery fuses. 33. Connect the power supply, and switch the operating table on. 134 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) gearbox 34. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 35. Disconnect the power supply cable from the mains supply. 36. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 37. Carefully insert the plug into the seat section strut. 38. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 39. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 40. Remount the plastic plate [2] on the seat section (4 screws [3]). 41. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 42. Mount the cover plate (4 countersunk screws). 43. Put the cover battery compartment on the running gear. 44. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 135 Back section (BS) motor 7.3 Back section (BS) motor CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 80 Pad plate 1 Pad 2 Plastic plate 136 3 M8x20 fillister-head screw 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) motor Figure 81 Back section motor 4 Cover (sheet metal guard) 5 BS drive unit (consists of items 8 and 9) 6 M5x50 machine screw 7 M8x16 machine screw 8 Back section motor 9 10 11 12 BS gear M3x16 machine screw M4x12 machine screw Back section toothed belt 6. Pull the self-adhesive covering foils off the seat section strut. 7. Remove the cover (sheet metal guard) [3] (2 machine screws), and put them down in a safe place. 8. Unclip the red and black cables (back section motor) from the plug. 9. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [12]. 12. Carefully pull out the BS drive unit [5], and put it down safely. 13. Unscrew the back section motor [8] from the BS joint [9] (4 machine screws), and remove it. 14. Screw the new back section motor to the BS gear [9] (4 machine screws). 15. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. Service Manual MARS 2 – 1 435 274 – 09/2013 137 Back section (BS) motor 16. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [12]. 17. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 18. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 19. Adjust the back section toothed belt [12]: - Loosen the central machine screw [11] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [10] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [11]. 20. Reattach the positive connectors to the both batteries. 21. Insert both battery fuses. 22. Connect the power supply, and switch the operating table on. 23. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 24. Disconnect the power supply cable from the mains supply. 25. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 26. Carefully insert the plug into the seat section strut. 27. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 28. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 29. Remount the plastic plate [2] on the seat section (4 screws [3]). 30. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 31. Mount the cover plate (4 countersunk screws). 32. Put the cover battery compartment on the running gear. 33. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 138 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) toothed belt 7.4 Back section (BS) toothed belt 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 82 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 139 Back section (BS) toothed belt Figure 83 Back section toothed belt 4 Cover (sheet metal guard) 5 BS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Back section motor 9 Toothed-belt cover 10 11 12 13 14 15 Toothed-belt guide Bridge Back section toothed belt Seat section strut M3x16 machine screw M4x12 machine screw 6. Pull the self-adhesive covering foils off the seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the red and black cables (back section motor) from the plug. 9. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [12]. 12. Carefully pull out the BS drive unit [5], and put it down safely. 13. Repeat work steps 6. to 12. on the other seat section strut. 14. Remove the toothed-belt cover [9] (4 countersunk screws), and put them down in a safe place. 15. Take note of the mounting position of the toothed belt. Pull the back section toothed belt [12] through the seat section struts [13], and remove it. 140 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) toothed belt 16. Put the toothed belt back into its original position. Carefully thread the ends of the new back section toothed belt into the two seat section struts [13], and insert it into the bridge [11] (between the toothed-belt guides [10]). 17. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 18. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [12]. 19. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 20. Connect the red and black cables of the back section motor to the plug (see circuit diagram on page 273). 21. Repeat the work steps 17. to 20. on the other seat section strut. 22. Adjust the back section toothed belt [12]: Tension equally at both ends. - Loosen the central machine screw [15] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [14] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [15]. 23. Mount the toothed-belt cover [9] (4 countersunk screws). 24. Reattach the positive connectors to the both batteries. 25. Insert both battery fuses. 26. Connect the power supply, and switch the operating table on. 27. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 28. Disconnect the power supply cable from the mains supply. 29. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 30. Carefully insert the plug into the seat section strut. 31. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). Service Manual MARS 2 – 1 435 274 – 09/2013 141 Back section (BS) toothed belt 32. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 33. Repeat work steps 30. to 32. on the other seat section strut. 34. Remount the plastic plate [2] on the seat section (4 screws [3]). 35. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 36. Mount the cover plate (4 countersunk screws). 37. Put the cover battery compartment on the running gear. 38. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 142 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) joint 7.5 Back section (BS) joint 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. Figure 84 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Figure 85 Back section joint 4 Cover foil 5 BS joint 6 Cylindrical pin Ø 10 mm x 24 mm 7 M4x12 machine screw Service Manual MARS 2 – 1 435 274 – 09/2013 8 9 10 11 Slip ring Groove ring BS gear Standard rail joint 143 Back section (BS) joint 7. Unscrew the standard rail joint [11] (2 countersunk screws), and put them down in a safe place. 8. Remove the self-adhesive covering foil [4] from the left and right of the BS joint [5]. 9. Remove 6 cylindrical pins [6] with a pin remover, and put them down in a safe place. 10. Remove 6 machine screws [7], and put them down in a safe place. 11. Pull off the BS joint [5] and remove 2 slip rings [8] and groove rings [9] in each case. 12. If necessary insert new groove rings [9] left and right into the grooves in the BS gear housing. 13. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [8] onto the groove rings, and slide the new BS joint [5] onto the BS gear [10]. 14. Align the BS joint [5] horizontally (zero position), and screw it to the BS drive unit (6 machine screws [7]). 15. Knock in 6 cylindrical pins [6]. 16. Mount the joint [11] (2 countersunk screws). 17. If necessary, attach new self-adhesive covering foil [4] to the left and right of the BS joint [5]. 18. Remount the plastic plate [2] on the seat section (4 screws [3]). 19. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 20. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 144 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) gearbox 7.6 Seat section extension (SSE) gearbox 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 86 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 4. Pull pads [1] off the seat sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat sections (4 screws [3] from each), and put them down in a safe place. Figure 87 Seat section extension gearbox 4 M4x12 machine screw 5 Cover foil 6 Cylindrical pin Ø 10 mm x 24 mm 7 M4x12 machine screw 8 SSE strut joint 9 Slip ring 10 Groove ring 11 Cover (sheet metal guard) Service Manual MARS 2 – 1 435 274 – 09/2013 12 13 14 15 16 17 18 SSE drive unit (consists of items 15 and 18 M5x50 machine screw M8x16 machine screw SSE motor M3x16 machine screw SSE toothed belt SSE gear 145 Seat section extension (SSE) gearbox 6. Remove the self-adhesive covering foil [5] from the left and right of the SSE strut joint [8]. 7. Remove 6 cylindrical pins [6] with a pin remover, and put them down in a safe place. 8. Remove 6 machine screws [7], and put them down in a safe place. 9. Pull off the strut of the SSE joint [8], remove 2 slip rings [9] and groove rings [10] in each case, and put them down in a safe place. 10. Pull the self-adhesive covering foils off the seat section strut. 11. Remove the cover (sheet metal guard) [11] (2 machine screws), and put them down in a safe place. 12. Unclip the red and black cables (SSE motor) from the plug. 13. Unscrew the SSE drive unit [12] (2 machine screws [13] from the front of the seat section strut and 2 machine screws [14] from the strut). 14. Take care not to damage the cables of the SSE motor. Carefully pull out the SSE drive unit [12]. 15. Take note of the mounting position of the toothed belt. Carefully pull the SSE motor [15] out of the SSE toothed belt [17]. 16. Pull out the SSE drive unit [12], and put it down in a safe place. 17. Unscrew the SSE motor [15] from the SSE gear [18] (4 machine screws), and remove it. 18. Screw the SSE motor [15] to the new SSE gear (4 machine screws). 19. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the SSE drive unit [12] together with the connecting cables carefully into the seat section strut, and thread in the cables of the SSE motor. 20. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the SSE motor [15] into the toothed belt [17]. 21. Mount the SSE drive unit [12] (2 machine screws [13] on the front of the seat section strut and 2 machine screws [14] on the strut). 22. If necessary insert new groove rings [10] left and right into the grooves in the SSE gear housing. 23. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [9] onto the groove rings, and slide the strut of the SSE joint [8] onto the SSE gear. 24. Align the strut of the SSE joint [8] horizontally (zero position), and screw it to the SSE drive unit [12] (6 machine screws [7]). 25. Knock in 6 cylindrical pins [6]. 26. If necessary, attach new self-adhesive covering foil to the left and right of the SSE strut joint [8]. 146 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) gearbox 27. Connect the red and black cables of the SSE motor to the plug (see circuit diagram on page 273). 28. Adjust the seat section extension (SSE) toothed belt [17]: - Loosen the central machine screw [4] in the SSE motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [16] on the SSE motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [4]. 29. Reattach the positive connectors to the both batteries. 30. Insert both battery fuses. 31. Connect the power supply, and switch the operating table on. 32. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 33. Disconnect the power supply cable from the mains supply. 34. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 35. Carefully insert the plug into the seat section strut. 36. Mount the cover (sheet metal guard) [11] and connect the cable shielding (2 machine screws). 37. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 38. Mount the plastic plates [2] on the seat sections (each held by 4 screws [3]). 39. Place the removed pads [1] on the plastic plates [2] and press down across the length of Velcro. 40. Mount the cover plate (4 countersunk screws). 41. Put the cover battery compartment on the running gear. 42. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 147 Seat section extension (SSE) motor 7.7 Seat section extension (SSE) motor CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 88 Pad plate 1 Pad 2 Plastic plate M8x20 fillister-head screw 4. Pull pads [1] off the seat sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat sections (4 screws [3] from each), and put them down in a safe place. Figure 89 SSE motor 4 Cover (sheet metal guard) 5 SSE drive unit (consists of items 8 and 9) 6 M5x50 machine screw 7 M8x16 machine screw 8 SSE motor 148 3 9 10 11 12 SSE gear M3x16 machine screw M4x12 machine screw SSE toothed belt 6. Pull the self-adhesive covering foils off the seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) motor 8. Unclip the red and black cables (SSE motor) from the plug. 9. Hold the SSE strut securely. Unscrew the SSE drive unit [5] (2 machine screws [6] from the front of the seat section strut and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the SSE motor. Carefully pull out the SSE drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the SSE motor [8] out of the SSE toothed belt [12]. 12. Pull out the SSE drive unit [5], and put it down in a safe place. 13. Unscrew the SSE motor [8] from the SSE gear [9] (4 machine screws), and remove it. 14. Screw the new SSE motor to the SSE gear [9] (4 machine screws). 15. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the SSE drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the SSE motor. 16. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the SSE motor [8] into the toothed belt [12]. 17. Mount the SSE drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 18. Connect the red and black cables of the SSE motor to the plug (see circuit diagram on page 273). 19. Adjust the seat section extension (SSE) toothed belt [12]: - Loosen the central machine screw [11] in the SSE motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [10] on the SSE motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [11]. 20. Reattach the positive connectors to the both batteries. 21. Insert both battery fuses. 22. Connect the power supply, and switch the operating table on. 23. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 24. Disconnect the power supply cable from the mains supply. Service Manual MARS 2 – 1 435 274 – 09/2013 149 Seat section extension (SSE) motor 25. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 26. Carefully insert the plug into the seat section strut. 27. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 28. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 29. Mount the plastic plates [2] on the seat sections (each held by 4 screws [3]). 30. Place the removed pads [1] on the plastic plates [2] and press down across the length of Velcro. 31. Mount the cover plate (4 countersunk screws). 32. Put the cover battery compartment on the running gear. 33. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 150 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) toothed belt 7.8 Seat section extension (SSE) toothed belt 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 90 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 4. Pull pads [1] off the seat sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat sections (4 screws [3] from each), and put them down in a safe place. Figure 91 SSE toothed belt 4 Cover (sheet metal guard) 5 SSE strut 6 SSE drive unit (consists of items 9 and 17) 7 M5x50 machine screw 8 M8x16 machine screw 9 SSE motor 10 Toothed-belt cover 11 12 13 14 15 16 17 Toothed-belt guide Bridge SSE toothed belt Seat section strut M3x16 machine screw M4x12 machine screw SSE gear 6. Pull the self-adhesive covering foils off the seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 151 Seat section extension (SSE) toothed belt 8. Unclip the red and black cables (SSE motor) from the plug. 9. Hold the SSE strut [5] securely. Unscrew the SSE drive unit [6] (2 machine screws [7] from the front of the seat section strut and 2 machine screws [8] from the strut). 10. Take care not to damage the cables of the SSE motor. Carefully pull out the SSE drive unit [6]. 11. Take note of the mounting position of the toothed belt. Carefully pull the SSE motor [9] out of the SSE toothed belt [13]. 12. Pull out the SSE drive unit [6], and put it down in a safe place. 13. Repeat work steps 6. to 12. on the other seat section strut. 14. Remove the toothed-belt cover [10] (4 countersunk screws), and put them down in a safe place. 15. Take note of the mounting position of the toothed belt. Pull the SSE toothed belt [13] through the seat section struts [14], and remove it. 16. Put the toothed belt back into its original position. Carefully thread the ends of the new SSE toothed belt into the two seat section struts [14], and insert it into the bridge [12] (between the toothed-belt guides [11]). 17. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the SSE drive unit [6] together with the connecting cables carefully into the seat section strut, and thread in the cables of the SSE motor. 18. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the SSE motor [9] into the toothed belt [13]. 19. Mount the SSE drive unit [6] (2 machine screws [7] on the front of the seat section strut and 2 machine screws [8] on the strut). 20. Connect the red and black cables of the SSE motor to the plug (see circuit diagram on page 273). 21. Repeat work steps 17. to 20. on the other seat section strut. 22. Adjust the seat section extension (SSE) toothed belt [13]: Tension equally at both ends. - Loosen the central machine screw [16] in the SSE motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [15] on the SSE motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [16]. 23. Mount the toothed-belt cover [10] (4 countersunk screws). 24. Reattach the positive connectors to the both batteries. 25. Insert both battery fuses. 26. Connect the power supply, and switch the operating table on. 152 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) toothed belt 27. TEST Check the functional efficiency of the sensor(s) on the corresponding seat section strut. Readjust the sensor(s) if necessary (see section 8 on page 189). 28. Disconnect the power supply cable from the mains supply. 29. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 30. Carefully insert the plug into the seat section strut. 31. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 32. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 33. Repeat work steps 30. to 32. on the other seat section strut. 34. Mount the plastic plates [2] on the seat sections (each held by 4 screws [3]). 35. Place the removed pads [1] on the plastic plates [2] and press down across the length of Velcro. 36. Mount the cover plate (4 countersunk screws). 37. Put the cover battery compartment on the running gear. 38. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 153 Seat section extension (SSE) strut 7.9 Seat section extension (SSE) strut 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Disconnect the power supply cable from the mains supply. 4. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. Figure 92 Pad plate 1 Pad 2 Plastic plate 154 3 M8x20 fillister-head screw 5. Pull pads [1] off the seat sections, and put them down in a safe place. 6. Unscrew the plastic plates [2] from the seat sections (4 screws [3] from each), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) strut Figure 93 SSE strut (strut of the SSE joint) 4 Groove ring 5 Slip ring 6 Cover foil 7 Cylindrical pin Ø 10 mm x 24 mm 8 SSE strut joint 9 M4x12 machine screw 10 SSE drive unit 7. Remove the self-adhesive covering foil [6] from the left and right of the SSE strut joint [8]. 8. Remove 6 cylindrical pins [7] with a pin remover, and put them down in a safe place. 9. Remove 6 machine screws [9], and put them down in a safe place. 10. Pull off the strut of the SSE joint [8] and remove 2 slip rings [5] and groove rings [4] in each case. 11. If necessary insert new groove rings [4] left and right into the grooves in the SSE gear housing. 12. CAUTION Danger: Incorrect positioning causes wear on the slip rings. Ensure that the slip rings are lying in the correct positions. Press slip rings [5] onto the groove rings [4], and slide a new strut of the SSE joint [8] onto the SSE drive unit [10]. 13. Align the strut of the SSE joint [8] horizontally (zero position), and screw it to the SSE drive unit [10] (6 machine screws [9]). 14. Knock in 6 cylindrical pins [6]. 15. If necessary, attach new self-adhesive covering foil [6] to the left and right of the SSE strut joint [8]. 16. Mount the plastic plates [2] on the seat sections (each held by 4 screws [3]). 17. Place the removed pads [1] on the plastic plates [2] and press down across the length of Velcro. 18. Connect the power supply, and switch the operating table on. Service Manual MARS 2 – 1 435 274 – 09/2013 155 Seat section extension (SSE) strut TEST Check the operating table functions. 156 Service Manual MARS 2 – 1 435 274 – 09/2013 Energy chain 7.10 Energy chain 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 94 Energy chain 1 Plate (panel) 2 Plate (Energy chain cover) 3 4 Energy chain End piece 4. Remove the plate (panel) [1] from the side of the seat section strut (2 countersunk screws), and put them down in a safe place. 5. Remove the plate (energy chain cover) [2] from the column head (2 machine screws), and put them down in a safe place. 6. Remove the cable binders, and unhook the energy chain [3] from one/both end piece(s) [4]. 7. Note the positions of the cables. Carefully pull the cables out of the energy chain. 8. If necessary, unscrew the end pieces [4] of the energy chain (2 countersunk screws), and replace with new ones. 9. CAUTION Risk of damaging the insulation on the cable. Take care that cables are not crushed during assembly. Put the cables back into their original positions. Lay the cables into the energy chain (do not cross them over). 10. Hook the energy chain [3] onto the end pieces [4]. Lock the chain links completely together. 11. Fix the cables with cable binders. Service Manual MARS 2 – 1 435 274 – 09/2013 157 Energy chain 12. CAUTION Risk of damaging the insulation on the cable. Take care that cables are not crushed during assembly. Mount the plate (energy chain cover) [2] on the column head (2 machine screws). 13. Mount the plate (panel) [1] on the side of the seat section strut (2 countersunk screws). 14. Connect the batteries (see section 5.2 on page 16). 15. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 158 Service Manual MARS 2 – 1 435 274 – 09/2013 Locking unit 7.11 Locking unit CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). Figure 95 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 159 Locking unit Figure 96 Locking unit 4 Head cover 5 M5x12 machine screw 6 Locking unit 7. 7 8 Upper bolt Lower bolt NOTE Do not let any parts fall into the column. Remove the head cover [4] (4 fillister-head screws), and put them down in a safe place. 8. Take note of where the cables have been laid. Pull the plug out of the defective locking unit at the side of the membrane keyboard on the column head [6], and remove the cable binders. 9. Remove 4 machine screws [5] from the locking unit [6], and put them down in a safe place. 10. Remove one retaining washer from each of the upper [7] and lower bolts [8] (not from the bolt with the hinge springs), and put them down in a safe place. 11. Hold the locking unit [6] securely. Remove the upper [7] and lower bolts [8], and put them down in a safe place. 12. Take note of where the locking unit [6] had been fitted. Carefully pull the defective locking unit out of the column head, and remove it. 13. Put the locking unit back into its original position. Carefully insert the new locking unit into the column head. 14. Insert the lower bolt [7], and mount the retaining washer. 15. Insert the upper bolt [8], and mount the retaining washer. 16. Mount the locking unit [6] on the column head (4 machine screws [5]). 17. Put the cables back into their original positions, and connect the plugs to the new locking unit [6]. Fix the cables with cable binders. 160 Service Manual MARS 2 – 1 435 274 – 09/2013 Locking unit 18. Do not jam or damage the expansion bellows. Place the head cover [4] carefully on the tabletop, and screw tight (4 fillister-head screws). 19. Remount the plastic plate [2] on the seat section (4 screws [3]). 20. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 21. Connect the batteries (see section 5.2 on page 16). 22. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 161 Distributor board 7.12 Distributor board CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). Figure 97 Pad plate 1 Pad 2 Plastic plate 162 3 M8x20 fillister-head screw 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 Distributor board Figure 98 Distributor board with holder 4 Head cover 5 Distributor board 7. 6 7 Holder Snap-in lug NOTE Do not let any parts fall into the column. Remove the head cover [4] (4 fillister-head screws), and put them down in a safe place. 8. Take note of where the cables have been laid. Pull all plugs out of the defective distributor board [5], and remove the cable binders. 9. Unscrew the holder [6] with the distributor board [5] from the tabletop (4 countersunk screws), free it up, and carefully remove it in an upward direction. 10. Press 4 snap-in lugs [7] (spacers) together, starting on one side of the distributor board [5], and carefully pull the printed circuit board up and off the holder [6]. 11. Place the new distributor board on the snap-in lugs [7] of the holder [6], and click it securely into place. 12. Insert the holder [6] carefully into the tabletop, and mount (4 countersunk screws). Service Manual MARS 2 – 1 435 274 – 09/2013 163 Distributor board A B Figure 99 Distributor board A Seat section strut side X2 X3 X4 X5 X6 Reserve RS485/232 interface (2x) HE (head end) IR/interface FE (foot end) IR/interface LD microbutton B Column head side X7 BS -55° REF/END sensors X9 SSE/BS END sensors X13 SSE -75° END sensor X14 OR adapter sensor 13. Put the cables back into their original positions, and insert all plugs into the new distributor board [5] (see circuit diagram on page 273). Fix the cables with cable binders. 14. Do not jam or damage the expansion bellows. Place the head cover [4] carefully on the tabletop, and screw tight (4 fillister-head screws). 15. Remount the plastic plate [2] on the seat section (4 screws [3]). 16. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 17. Connect the batteries (see section 5.2 on page 16). 18. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 164 Service Manual MARS 2 – 1 435 274 – 09/2013 Longitudinal displacement (LD) microbutton 7.13 Longitudinal displacement (LD) microbutton 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). Figure 100 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 5. Pull pad [1] off the seat section, and put it down in a safe place. 6. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Figure 101 LD microbutton 4 Head cover Service Manual MARS 2 – 1 435 274 – 09/2013 5 Distributor board 165 Longitudinal displacement (LD) microbutton 7. NOTE Do not let any parts fall into the column. Remove the head cover [4] (4 fillister-head screws), and put them down in a safe place. Figure 102 LD microbutton 6 Plate (panel) 7 Energy chain 8 9 Plate (Energy chain cover) LD microbutton 8. Remove the plate (panel) [6] from the side of the seat section strut (2 countersunk screws), and put them down in a safe place. 9. Remove the plate (energy chain cover) [8] from the column head (2 machine screws), and put them down in a safe place. 10. Reattach the positive connectors to the both batteries. 11. Insert both battery fuses. 12. Switch on the operating table, and move the tabletop carefully up to the head end stop. 13. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 14. Remove and safely put down the both battery fuses. 15. Disconnect the positive connectors from the both batteries. 16. Take note of the mounting position of the LD microbutton. Unscrew the LD microbutton [9] together with holding plate (on the left-hand side at the bottom of the column head above the energy chain [7]; 2 countersunk screws). 17. Take note of where the cables have been laid. Pull the LD microbutton plugs out of the distributor board [5], and remove the cable binders. 18. Remove the holding plate together with LD microbutton and its cable from the column head. 166 Service Manual MARS 2 – 1 435 274 – 09/2013 Longitudinal displacement (LD) microbutton 19. Unscrew the defective LD microbutton [9] from the holding plate (2 machine screws). 20. Mount the new LD microbutton [9] on the holding plate (2 machine screws). 21. Put the LD microbutton back into its original position. Insert and mount the LD microbutton [9], together with the holding plate, in the column head (2 countersunk screws). 22. Put the cables back into their original positions, and insert the plug of the LD microbutton [9] into the appropriate socket on the distributor board [5]. Fix the cables with cable binders. 23. Reattach the positive connectors to the both batteries. 24. Insert both battery fuses. 25. Switch on the operating table, and move the tabletop carefully up to the foot end stop. 26. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 27. CAUTION Risk of damaging the insulation on the cable. Take care that cables are not crushed during assembly. Mount the plate (energy chain cover) [8] on the column head (2 machine screws). 28. Mount the plate (panel) [6] on the side of the seat section strut (2 countersunk screws). 29. Do not jam or damage the expansion bellows. Place the head cover [4] carefully on the tabletop, and screw tight (4 fillister-head screws). 30. Remount the plastic plate [2] on the seat section (4 screws [3]). 31. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 32. Mount the cover plate (4 countersunk screws). 33. Put the cover battery compartment on the running gear. 34. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 167 OR adapter sensor 7.14 OR adapter sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Move the tabletop carefully up to the foot end stop. 4. Remove the power from the operating table (see section 5.1 on page 15). 5. Open the tabletop (see section 5.5 on page 21, work steps 5. to 7.). Figure 103 OR adapter sensor 1 Head cover 2 OR adapter sensor 3 4 Distributor board M3x6 machine screw 6. Take note of where the cables have been laid. Pull the plug of the OR adapter sensor [2] out of the distributor board [3], and remove the cable binders. 7. Unscrew the OR adapter sensor [2] from the head end of the column head (2 machine screws [4]). 8. Remove the defective OR adapter sensor [2] and its cable from the column head. 9. Thread the cable of the new OR adapter sensor into the column head, and mount the sensor (2 machine screws [4]). 10. Put the cables back into their original positions, and insert the plug of the OR adapter sensor [2] into the appropriate socket on the distributor board [3]. Fix the cables with cable binders. 11. Do not jam or damage the expansion bellows. Place the head cover [1] carefully on the tabletop, and screw tight (4 fillister-head screws). 12. Remount the plastic plate on the seat section (4 screws). 13. Place the removed pad on the plastic plate and press down across the length of Velcro. 14. Connect the batteries (see section 5.2 on page 16). 15. Connect the power supply, and switch the operating table on. 168 Service Manual MARS 2 – 1 435 274 – 09/2013 OR adapter sensor TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 169 Seat section extension (SSE) END sensor 7.15 Seat section extension (SSE) END sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 104 Pad plate 1 Pad 2 Plastic plate M8x20 fillister-head screw 4. Pull pads [1] off the seat sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat sections (4 screws [3] from each), and put them down in a safe place. Figure 105 SSE END sensor (left-hand seat section strut) 4 Cover (sheet metal guard) 5 SSE strut 6 M5x50 machine screw 7 M8x16 machine screw 8 SSE motor 9 M4x12 countersunk screw 170 3 10 11 12 13 14 15 SSE END sensor M3x16 machine screw M4x12 machine screw SSE toothed belt Terminal block SSE drive unit Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) END sensor 6. Pull the self-adhesive covering foils off the left-hand seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (SSE END sensor) and red and black (SSE motor) cables from the plug. 9. Hold the SSE strut [5] securely. Unscrew the SSE drive unit (2 machine screws [6] from the front of the seat section strut and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the SSE motor. Carefully pull out the SSE drive unit. 11. Take note of the mounting position of the toothed belt. Carefully pull the SSE motor [8] out of the SSE toothed belt [13]. 12. Pull out the SSE drive unit [15], and put it down in a safe place. 13. Loosen the countersunk screw [9] on the inner side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [9] as the terminal block [14] would then fall. 14. Pull the defective SSE END sensor [10] out of the seat section strut. 15. Push the new SSE END sensor [10] through the terminal block [14] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the SSE drive unit [15] together with the connecting cables carefully into the seat section strut, and thread in the cables of the SSE motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the SSE motor [8] into the toothed belt [13]. 18. Mount the SSE drive unit [15] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (SSE END sensor) and red and black (SSE motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the seat section extension (SSE) toothed belt [13]: - Loosen the central machine screw [12] in the SSE motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [11] on the SSE motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [12]. 21. Position the SSE END sensor [10] in the seat section strut, and fixate with an countersunk screw [9]. Service Manual MARS 2 – 1 435 274 – 09/2013 171 Seat section extension (SSE) END sensor 22. Reattach the positive connectors to the both batteries. 23. Insert both battery fuses. 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensor is in good working order. Readjust the SSE END sensor [10] and SSE -75° END sensor if necessary (see section 8.5 on page 194 and see section 8.12 on page 201). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Mount the plastic plates [2] on the seat sections (each held by 4 screws [3]). 32. Place the removed pads [1] on the plastic plates [2] and press down across the length of Velcro. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 172 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) END sensor 7.16 Back section (BS) END sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 106 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Service Manual MARS 2 – 1 435 274 – 09/2013 173 Back section (BS) END sensor Figure 107 BS END sensor (left-hand seat section strut) 4 Cover (sheet metal guard) 5 BS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Back section motor 9 M4x12 countersunk screw 10 11 12 13 14 BS END sensor M3x16 machine screw M4x12 machine screw Back section toothed belt Terminal block 6. Pull the self-adhesive covering foils off the left-hand seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (BS END sensor) and red and black (back section motor) cables from the plug. 9. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [13]. 12. Carefully pull out the BS drive unit [5], and put it down safely. 13. Loosen the countersunk screw [9] on the inner side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [9] as the terminal block [14] would then fall. 14. Pull the defective BS END sensor [10] out of the seat section strut. 15. Push the new BS END sensor [10] through the terminal block [14] in the seat section strut. 174 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) END sensor 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [13]. 18. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (BS END sensor) and red and black (back section motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the back section toothed belt [13]: - Loosen the central machine screw [12] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [11] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [12]. 21. Position the SSE END sensor [10] in the seat section strut, and fixate with an countersunk screw [9]. 22. Reattach the positive connectors to the both batteries. 23. Insert both battery fuses. 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensor is in good working order. Readjust the BS END sensor [10] if necessary (see section 8.6 on page 195). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Remount the plastic plate [2] on the seat section (4 screws [3]). Service Manual MARS 2 – 1 435 274 – 09/2013 175 Back section (BS) END sensor 32. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 176 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) reference (REF) sensor 7.17 Seat section extension (SSE) reference (REF) sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 108 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 4. Pull pads [1] off the seat sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat sections (4 screws [3] from each), and put them down in a safe place. Figure 109 SSE REF sensor (right-hand seat section strut) 4 Cover (sheet metal guard) 5 SSE drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 SSE motor 9 M4x12 countersunk screw 6. 10 11 12 13 14 SSE REF sensor M3x16 machine screw M4x12 machine screw SSE toothed belt Terminal block Pull the self-adhesive covering foils off the right-hand seat section strut. Service Manual MARS 2 – 1 435 274 – 09/2013 177 Seat section extension (SSE) reference (REF) sensor 7. Remove the cover (sheet metal guard) [7] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (SSE REF sensor) and red and black (SSE motor) cables from the plug. 9. Hold the SSE strut securely. Unscrew the SSE drive unit [5] (2 machine screws [6] from the front of the seat section strut and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the SSE motor. Carefully pull out the SSE drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the SSE motor [8] out of the SSE toothed belt [13]. 12. Pull out the SSE drive unit [5], and put it down in a safe place. 13. Loosen the countersunk screw [9] on the inner side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [9] as the terminal block [14] would then fall. 14. Pull the defective SSE REF sensor [10] out of the seat section strut. 15. Push the new SSE REF sensor [10] through the terminal block [14] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the SSE drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the SSE motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [13]. 18. Mount the SSE drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (SSE REF sensor) and red and black (SSE motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the seat section extension (SSE) toothed belt [13]: - Loosen the central machine screw [12] in the SSE motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [11] on the SSE motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [12]. 21. Position the SSE REF sensor [10] in the seat section strut, and fixate with an countersunk screw [9]. 22. Reattach the positive connectors to the both batteries. 178 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) reference (REF) sensor 23. Insert both battery fuses. 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensor is in good working order. Readjust the SSE REF sensor [10] if necessary (see section 8.9 on page 198). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Mount the plastic plates [2] on the seat sections (each held by 4 screws [3]). 32. Place the removed pads [1] on the plastic plates [2] and press down across the length of Velcro. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 179 Back section (BS) reference (REF) sensor 7.18 Back section (BS) reference (REF) sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 110 Pad plate 1 Pad 2 Plastic plate M8x20 fillister-head screw 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Figure 111 BS REF sensor (right-hand seat section strut) 4 Cover (sheet metal guard) 5 BS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Back section motor 9 M4x12 countersunk screw 180 3 10 11 12 13 14 15 BS REF sensor M3x16 machine screw BS -55° END sensor M4x12 machine screw Back section toothed belt Terminal block Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) reference (REF) sensor 6. Pull the self-adhesive covering foils off the right-hand seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (BS REF sensor) and red and black (back section motor) cables from the plug. 9. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [14]. 12. Carefully pull out the BS drive unit [5], and put it down safely. 13. Loosen the countersunk screw [9] on the inner side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [9] as the terminal block [15] would then fall. 14. Pull the defective BS REF sensor [10] out of the seat section strut. 15. Push the new BS REF sensor [10] through the terminal block [15] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [14]. 18. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (BS REF sensor) and red and black (back section motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the back section toothed belt [14]: - Loosen the central machine screw [13] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [11] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [13]. 21. Position the BS REF sensor [10] in the seat section strut, and fixate with an countersunk screw [9]. 22. Reattach the positive connectors to the both batteries. Service Manual MARS 2 – 1 435 274 – 09/2013 181 Back section (BS) reference (REF) sensor 23. Insert both battery fuses. 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensors are in good working order. Readjust the BS REF sensor [10] and BS -55° END sensor [12] if necessary (see section 8.10 on page 199 and see section 8.13 on page 202). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Remount the plastic plate [2] on the seat section (4 screws [3]). 32. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 182 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) -75° END sensor 7.19 Seat section extension (SSE) -75° END sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 112 Pad plate 1 Pad 2 Plastic plate 3 M8x20 fillister-head screw 4. Pull pads [1] off the seat sections, and put them down in a safe place. 5. Unscrew the plastic plates [2] from the seat sections (4 screws [3] from each), and put them down in a safe place. Figure 113 SSE -75° END sensor (left-hand seat section strut) 4 Cover (sheet metal guard) 5 SSE drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 SSE motor 9 SSE END sensor Service Manual MARS 2 – 1 435 274 – 09/2013 10 11 12 13 14 15 M3x16 machine screw SSE -75° END sensor M4x12 countersunk screw M4x12 machine screw SSE toothed belt Terminal block 183 Seat section extension (SSE) -75° END sensor 6. Pull the self-adhesive covering foils off the left-hand seat section strut. 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (SSE -75° END sensor) and red and black (SSE motor) cables from the plug. 9. Unscrew the SSE drive unit [5] (2 machine screws [6] from the front of the seat section strut and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the SSE motor. Carefully pull out the SSE drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the SSE motor [8] out of the SSE toothed belt [14]. 12. Pull out the SSE drive unit [5], and put it down in a safe place. 13. Loosen the countersunk screw [12] on the outer side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [12] as the terminal block [15] would then fall. 14. Pull the defective SSE -75° END sensor [11] out of the seat section strut. 15. Push the new SSE -75° END sensor [11] through the terminal block [15] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the SSE drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the SSE motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the SSE motor [8] into the toothed belt [14]. 18. Mount the SSE drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (SSE -75° END sensor) and red and black (SSE motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the seat section extension (SSE) toothed belt [14]: - Loosen the central machine screw [13] in the SSE motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [10] on the SSE motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [13]. 21. Position the SSE -75° END sensor [11] in the seat section strut, and fixate with an countersunk screw [12]. 22. Reattach the positive connectors to the both batteries. 184 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) -75° END sensor 23. Insert both battery fuses. 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensors are in good working order. Readjust the SSE END sensor [9] and SSE -75° END sensor [11] if necessary (see section 8.5 on page 194 and see section 8.12 on page 201). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Mount the plastic plates [2] on the seat sections (each held by 4 screws [3]). 32. Place the removed pads [1] on the plastic plates [2] and press down across the length of Velcro. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 185 Back section (BS) -55° END sensor 7.20 Back section (BS) -55° END sensor 1. Prepare the operating table (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. Remove the power from the operating table (see section 5.1 on page 15). Figure 114 Pad plate 1 Pad 2 Plastic plate M8x20 fillister-head screw 4. Pull pad [1] off the seat section, and put it down in a safe place. 5. Unscrew the plastic plate [2] from the seat section (4 screws [3]), and put them down in a safe place. Figure 115 BS -55° END sensor (right-hand seat section strut) 4 Cover (sheet metal guard) 5 BS drive unit 6 M5x50 machine screw 7 M8x16 machine screw 8 Back section motor 9 BS -55° END sensor 6. 186 3 10 11 12 13 14 15 M3x16 machine screw BS REF sensor M4x12 countersunk screw M4x12 machine screw Back section toothed belt Terminal block Pull the self-adhesive covering foils off the right-hand seat section strut. Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) -55° END sensor 7. Remove the cover (sheet metal guard) [4] (2 machine screws), and put them down in a safe place. 8. Unclip the blue and brown (BS -55° END sensor) and red and black (back section motor) cables from the plug. 9. Unscrew the BS drive unit [5] (2 machine screws [6] from the front of the seat section strut, and 2 machine screws [7] from the strut). 10. Take care not to damage the cables of the back section motor. Carefully pull out the BS drive unit [5]. 11. Take note of the mounting position of the toothed belt. Carefully pull the back section motor [8] out of the back section toothed belt [14]. 12. Carefully pull out the BS drive unit [5], and put it down safely. 13. Loosen the countersunk screw [12] on the outer side of the seat section strut. NOTE Do not completely unscrew the countersunk screw [12] as the terminal block [15] would then fall. 14. Pull the defective BS -55° END sensor [9] out of the seat section strut. 15. Push the new BS -55° END sensor [9] through the terminal block [15] in the seat section strut. 16. CAUTION Risk of damaging the insulation on the sensor cable. Take care that cables are not crushed during assembly. Slide the BS drive unit [5] together with the connecting cables carefully into the seat section strut, and thread in the cables of the back section motor. 17. Ensure that the toothed belt is fitted correctly (over the tension roller). Carefully insert the back section motor [8] into the back section toothed belt [14]. 18. Mount the BS drive unit [5] (2 machine screws [6] on the front of the seat section strut and 2 machine screws [7] on the strut). 19. Clip the blue and brown (BS -55° END sensor) and red and black (back section motor) cables onto the plug (see circuit diagram on page 273). 20. Adjust the back section toothed belt [14]: - Loosen the central machine screw [13] in the back section motor (clamping plate of the drive unit). - Determine the frequency of vibration of the toothed belt with the SM4 strand tension gauge, and set the tension of the toothed belt with the aid of the two vertical machine screws [10] on the back section motor (check initial tension 95 Hz ± 5 three times consecutively). - Tighten the central machine screw [13]. 21. Position the BS -55° END sensor [9] in the seat section strut, and fixate with an countersunk screw [12]. 22. Reattach the positive connectors to the both batteries. 23. Insert both battery fuses. Service Manual MARS 2 – 1 435 274 – 09/2013 187 Back section (BS) -55° END sensor 24. Connect the power supply, and switch the operating table on. 25. TEST Check that the sensors are in good working order. Readjust the BS REF sensor [11] and BS -55° END sensor [9] if necessary (see section 8.10 on page 199 and see section 8.13 on page 202). 26. Disconnect the power supply cable from the mains supply. 27. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 28. Carefully insert the plug into the seat section strut. 29. Mount the cover (sheet metal guard) [4] and connect the cable shielding (2 machine screws). 30. If necessary, attach new self-adhesive covering foils over the apertures in the seat section strut. 31. Remount the plastic plate [2] on the seat section (4 screws [3]). 32. Place the removed pad [1] on the plastic plate [2] and press down across the length of Velcro. 33. Mount the cover plate (4 countersunk screws). 34. Put the cover battery compartment on the running gear. 35. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 188 Service Manual MARS 2 – 1 435 274 – 09/2013 Trendelenburg limit switch group 8 Adjustment 8.1 Trendelenburg limit switch group Figure 116 Adjustment of Trendelenburg limit switch group 1 Limit switch base plate 2 Snap switch 3 4 M3x8 machine screw M3x20 machine screw 1. Loosen the appropriate switch plate with snap switch [2] on the limit switch base plate [1] (do not remove 2 screws [3]/[4]). 2. Place level with angle display lengthwise on the pad plate without pad/on the column head and operate the Trendelenburg drive until the corresponding maximum angle (target angle for the Trendelenburg/anti-Trendelenburg position) is displayed on the level. MARS operating table maximum Trendelenburg position maximum anti-Trendelenburg position 2.01-2.04 30° 35° 2.05/2.06 25° 35° 2.07/2.08 35° 25° 2.11 30° 35° 3. Turn loosened switch plate with snap switch [2] to the edge of the column head until the snap switch is activated. 4. Install switch plate (2 screws [3]/[4]). Service Manual MARS 2 – 1 435 274 – 09/2013 189 Inclination sensor 8.2 Inclination sensor NOTE The inclination sensor is a part of the distribution board. They cannot be replaced separately. The following equipment is needed for adjusting the inclination sensor: • PC/notebook with PC software service tool • Connecting cable for RS232 port on the operating table • Spirit level with digital display The inclination sensor is adjusted in several stages: 1. Prepare the operating table (zero position) (see section 3.3 on page 13). 2. Raise the column to its highest position. 3. MARS 2.02 to 2.08, MARS 2.11 Actuate the longitudinal displacement to bring the tabletop into its central position. 4. Start PC/notebook. 5. Connect the PC/notebook to the RS232 port on the operating table by the adapter cable. 6. Start the PC software service tool: - Connect to the operating table: Menu “OR table Establish connection” - Call the menu for calibrating the inclination sensor: “OR table Set motor & sensor parameters Calibrate tilt” 7. Zero the Trendelenburg and tilt of the tabletop with the aid of a spirit level (set horizontally): - Place the spirit level on the inner joint sections in order to zero the Trendelenburg - Place the spirit level on the seat section (without pad) in order to zero the tilt - If necessary, readjust the tabletop by means of the Trendelenburg/tilt functions on the remote control/column keypad 8. Transfer the zero position to the PC software service tool: “Neutral pos. Set” The zero position of the tabletop has now been saved. 9. Set the tabletop to approx. a 24° Trendelenburg or 32° anti-Trendelenburg position with the remote control/column keypad. Read the exact angle of inclination on the spirit level, input it into the PC software service tool under “Actual value Trendelenburg”, and save with the “Calibrate” button (Note: don’t forget the sign of the value input). Return the Trendelenburg to the zero position (Zero position button on remote control/column keypad). 10. Set a tilt to the left or right of approx. 22° with the remote control/column keypad. Read the exact angle of inclination on the spirit level, input it into the PC software service tool under “Actual value tilt“, and save with the “Calibrate” button (Note: don’t forget the sign of the value input). Return the tilt to the zero position (Zero position button on remote control/column keypad). 190 Service Manual MARS 2 – 1 435 274 – 09/2013 Inclination sensor 11. Check the Trendelenburg/anti-Trendelenburg and tilt left/right functions with the remote control/column keypad. The difference between the inclination value on the spirit level and that in the service tool (button „Service and Diagnostic overview“ “Column” tab) must not exceed 0.2°. Repeat the calibration if necessary (if the difference between the displayed values is greater than 0.2°). 12. After the calibration, break the connection to the operating table: - “OR table Disconnect connection” - Remove the connecting cable - Switch the operating table Off - Power down the PC/notebook Service Manual MARS 2 – 1 435 274 – 09/2013 191 Leg section (LS) END sensor (MARS 2.01-2.06, MARS 2.11) 8.3 Leg section (LS) END sensor (MARS 2.01-2.06, MARS 2.11) 3 1 Z 2 Figure 117 Adjustment of the LS END sensor (right-hand seat section strut) 1 M4x12 countersunk screw 3 LS END sensor 2 LS joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the corresponding leg section motor to its upper (or lower) switching point. 2. Loosen the countersunk screw [1] at the foot end on the inner side of the right-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 70, items 9 and 14). 3. Set the sensor gap to the LS joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the LS END sensor [3] (use a gauge). 4. Fixate the LS END sensor [3] with an countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the LS END sensors: • Couple one leg section to each of the two leg section joints. • Move both the leg sections down (or up) a little. • Move both leg sections into the upper (or lower) end position. • The ends of the leg sections must not have drifted more than 1 cm apart when they reach the final position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). 192 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) END sensor (MARS 2.01-2.06, MARS 2.11) 8.4 Back section (BS) END sensor (MARS 2.01-2.06, MARS 2.11) 2 Z 1 3 Figure 118 Adjustment of the BS END sensor (right-hand seat section strut) 1 M4x12 countersunk screw 3 BS END sensor 2 BS joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the corresponding back section motor to its upper (or lower) switching point. 2. Loosen the countersunk screw [1] at the head end on the inner side of the right-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 70, items 9 and 14). 3. Set the sensor gap to the strut of the BS joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the BS END sensor [3] (use a gauge). 4. Fixate the BS END sensor [3] with an countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the BS END sensors: • Move both of the back section struts down (or up) a little. • Move the back section struts into the upper (or lower) end position. • The ends of the back section struts must not have drifted more than 1 cm apart when they reach the end position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). Service Manual MARS 2 – 1 435 274 – 09/2013 193 Seat section extension (SSE) END sensor (MARS 2.07/2.08) 8.5 Seat section extension (SSE) END sensor (MARS 2.07/2.08) Figure 119 Adjustment of the SSE END sensor (left-hand seat section strut) 1 M4x12 countersunk screw 3 SSE END sensor 2 SSE joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the corresponding SSE motor to its upper (or lower) switching point. 2. Loosen the countersunk screw [1] at the foot end on the inner side of the left-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 105, items 9 and 14). 3. Set the sensor gap to the strut of the SSE joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the SSE END sensor [3] (use a gauge). 4. Fixate the SSE END sensor [3] with an countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the SSE END sensors: • Move both of the SSE struts down (or up) a little. • Move the SSE struts into the upper (or lower) end position. • The ends of the SSE struts must not have drifted more than 1 cm apart when they reach the end position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). 194 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) END sensor (MARS 2.07/2.08) 8.6 Back section (BS) END sensor (MARS 2.07/2.08) Figure 120 Adjustment of the BS END sensor (left-hand seat section strut) 1 M4x12 countersunk screw 3 BS END sensor 2 BS joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the corresponding back section motor to its upper (or lower) switching point. 2. Loosen the countersunk screw [1] at the head end on the inner side of the left-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 107, items 9 and 14). 3. Set the sensor gap to the BS joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the BS END sensor [3] (use a gauge). 4. Fixate the BS END sensor [3] with countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the BS END sensors: • Couple one leg section to each of the two back section joints. • Move both the leg sections down (or up) a little. • Move both leg sections into the upper (or lower) end position. • The ends of the leg sections must not have drifted more than 1 cm apart when they reach the final position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). Service Manual MARS 2 – 1 435 274 – 09/2013 195 Leg section (LS) reference (REF) sensor (MARS 2.01-2.06, MARS 2.11) 8.7 Leg section (LS) reference (REF) sensor (MARS 2.01-2.06, MARS 2.11) 3 A 1 Z 2 A Figure 121 Adjustment of the LS REF sensor (left-hand seat section strut) 1 M4x12 countersunk screw 3 LS REF sensor 2 LS joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the corresponding leg section motor to the central switching point. 2. Loosen the countersunk screw [1] at the foot end on the inner side of the left-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 72, items 9 and 15). 3. Set the sensor gap to the LS joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the LS REF sensor [3] (use a gauge). 4. Fixate the LS REF sensor [3] with countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the LS REF sensors: • Couple one leg section to each of the two leg section joints. • Move both leg sections up (or down) a little. • Approach the zero position from the same direction. • The ends of the leg sections must not have drifted more than 1 cm apart when they reach the zero position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). 196 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) reference (REF) sensor (MARS 2.01-2.06, MARS 2.11) 8.8 Back section (BS) reference (REF) sensor (MARS 2.01-2.06, MARS 2.11) 2 Z A 3 1 A Figure 122 Adjustment of the BS REF sensor (left-hand seat section strut) 1 M4x12 countersunk screw 3 BS REF sensor 2 BS joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the corresponding back section motor to the central switching point. 2. Loosen the countersunk screw [1] at the head end on the inner side of the left-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 74, items 9 and 14). 3. Set the sensor gap to the strut of the BS joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the BS REF sensor [3] (use a gauge). 4. Fixate the BS REF sensor [3] with countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the BS REF sensors: • Move the back section struts up or down a little. • Travel to zero position. • The ends of the back section struts must not have drifted more than 1 cm apart when they reach the zero position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). Service Manual MARS 2 – 1 435 274 – 09/2013 197 Seat section extension (SSE) reference (REF) sensor (MARS 2.07/2.08) 8.9 Seat section extension (SSE) reference (REF) sensor (MARS 2.07/2.08) Figure 123 Adjustment of the SSE REF sensor (right-hand seat section strut) 1 M4x12 countersunk screw 3 SSE REF sensor 2 SSE joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the corresponding SSE motor to the central switching point. 2. Loosen the countersunk screw [1] at the foot end on the inner side of the right-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 109, items 9 and 14). 3. Set the sensor gap to the strut of the SSE joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the SSE REF sensor [3] (use a gauge). 4. Fixate the SSE REF sensor [3] with countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the SSE REF sensors: • Move the SSE struts up or down a little. • Travel to zero position. • The ends of the SSE struts must not have drifted more than 1 cm apart when they reach the zero position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). 198 Service Manual MARS 2 – 1 435 274 – 09/2013 Back section (BS) reference (REF) sensor (MARS 2.07/2.08) 8.10 Back section (BS) reference (REF) sensor (MARS 2.07/2.08) Figure 124 Adjustment of the BS REF sensor (right-hand seat section strut) 1 M4x12 countersunk screw 3 BS REF sensor 2 BS joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the corresponding back section motor to the central switching point. 2. Loosen the countersunk screw [1] at the head end on the inner side of the right-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 111, items 9 and 15). 3. Set the sensor gap to the BS joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the BS REF sensor [3] (use a gauge). 4. Fixate the BS REF sensor [3] with countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the BS REF sensors: • Couple one leg section to each of the two back section joints. • Move both leg sections up (or down) a little. • Approach the zero position from the same direction. • The ends of the leg sections must not have drifted more than 1 cm apart when they reach the zero position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). Service Manual MARS 2 – 1 435 274 – 09/2013 199 Leg section (LS) -35° END sensor (MARS 2.01-2.06, MARS 2.11) 8.11 Leg section (LS) -35° END sensor (MARS 2.01-2.06, MARS 2.11) 3 1 Z 2 Figure 125 Adjustment of the LS -35° END sensor (left-hand seat section strut) 1 M4x12 countersunk screw 3 LS -35° END sensor 2 LS joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the tabletop carefully up to the head end stop. 2. Move the corresponding leg section motor to the lower switching point. 3. Loosen the countersunk screw [1] at the foot end on the outer side of the left-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 76, items 12 and 15). 4. Set the sensor gap to the LS joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the LS -35° END sensor [3] (use a gauge). 5. Fixate the LS -35° END sensor [3] with countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the LS -35° END sensor: • Couple one leg section to each of the two leg section joints. • Move both leg sections up a little. • Move both leg sections to the lower end position. • The ends of the leg sections must not have drifted more than 1 cm apart when they reach the final position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). 200 Service Manual MARS 2 – 1 435 274 – 09/2013 Seat section extension (SSE) -75° END sensor (MARS 2.07/2.08) 8.12 Seat section extension (SSE) -75° END sensor (MARS 2.07/2.08) Figure 126 Adjustment of the SSE -75° END sensor (left-hand seat section strut) 1 M4x12 countersunk screw 3 SSE -75° END sensor 2 SSE joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the tabletop carefully up to the foot end stop. 2. Move the corresponding SSE motor to the lower switching point. 3. Loosen the countersunk screw [1] at the foot end on the outer side of the left-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 113, items 12 and 15). 4. Set the sensor gap to the SSE joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the SSE -75° END sensor [3] (use a gauge). 5. Fixate the SSE -75° END sensor [3] with countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the SSE -75° END sensor: • Couple one leg section to each of the two SSE joints. • Move both leg sections up a little. • Move both leg sections to the lower end position. • The ends of the leg sections must not have drifted more than 1 cm apart when they reach the final position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). Service Manual MARS 2 – 1 435 274 – 09/2013 201 Back section (BS) -55° END sensor (MARS 2.07/2.08) 8.13 Back section (BS) -55° END sensor (MARS 2.07/2.08) Figure 127 Adjustment of the BS -55° END sensor (right-hand seat section strut) 1 M4x12 countersunk screw 3 BS -55° END sensor 2 BS joint Z Gap = 0.2 mm ± 0.1 mm 1. Move the tabletop carefully up to the foot end stop. 2. Move the corresponding back section motor to the lower switching point. 3. Loosen the countersunk screw [1] at the head end on the outer side of the right-hand seat section strut. NOTE Do not completely unscrew the countersunk screw as the terminal block would then fall (see Figure 115, items 12 and 15). 4. Set the sensor gap to the BS joint [2] to 0.2 mm ± 0.1 mm [Z] by shifting the BS -55° END sensor [3] (use a gauge). 5. Fixate the BS -55° END sensor [3] with countersunk screw [1]. TEST Perform a functional test and check the sensor gap again (gap 0.2 mm ± 0.1 mm). Check the BS -55° END sensor: • Couple one leg section to each of the two back section joints. • Move both leg sections up a little. • Move both leg sections to the lower end position. • The ends of the leg sections must not have drifted more than 1 cm apart when they reach the final position. • If necessary, readjust the switching distance of the sensor (it must not exceed 0.3 mm). 202 Service Manual MARS 2 – 1 435 274 – 09/2013 Configure the electronic unit 9 “Service tool” PC software The Service tool is a programme for the PC which can be used to select various settings for the operating table. In addition, information about the system or operating table error memory can be called up and saved. 9.1 Configure the electronic unit After replacing the electronic unit, the following parameters must be set via the "Service tool" PC software: • Serial number • Equipment • IR Code of the operating table • Battery load parameter • Motor - target speed The parameters must not be set individually if the electronic unit data was previously saved. In this case, the saved data can be copied to the electronic unit (see section 9.2 on page 204). Set parameters: 1. Start the PC/Notebook. 2. Connect PC/Notebook via adapter cable with RS232 interface on the operating table. 3. Start up the “Service tool” PC software and establish a connection to the operating table (Menu “OR table Establish connection”). 4. Enter and save the serial number: Menu “OR table Set table parameters Serial number“. 5. In the list select and save operating table variant 1): Menu “OR table Set table parameters Equipment“. Important: if the incorrect operating table variant is selected this can later lead to serious malfunctions! 6. Enter and save IR code 1): Menu “OR table Set table parameters Infraredaddress“. 7. Select and save the type of battery installed: Menu “OR table Set table parameters Charging parameters“. Press the “Set Exide param“ or “Set Panasonic-param.“ button. 8. Check, enter and save the target speed for the various motors using the following table: Menu “OR table Set motor & sensor parameters Target velocity“. 1) Motor Value Leg section 58 Back section 58 Main lift 76 Tilt 76 see label on the operating table Service Manual MARS 2 – 1 435 274 – 09/2013 203 Copying the parameters for the electronic unit 9. Motor Value Running gear 90 Jacking 90 LV bar 90 Trendelenburg 76 Disconnect the connection to the operating table via the PC software (Menu “OR table Disconnect connection”). 10. Remove adapter cable. 11. Restart the operating table. 9.2 Copying the parameters for the electronic unit The parameters of the installed electronic unit can be read out and saved via the PC software. After replacing the electronic unit the parameters saved can be copied onto the new electronic unit in the operating table. In this way, the electronic unit can be configured much faster. Copy parameters: 204 1. Start the PC/Notebook. 2. Connect PC/Notebook via adapter cable with RS232 interface on the operating table. 3. Start up the “Service tool” PC software and establish a connection to the operating table (Menu “OR table Establish connection”). 4. Read out and save the parameters of the installed electronic unit: Menu “OR table Export Table Parameters“. 5. Replace electronic unit. 6. Copy the parameters that were previously saved onto the new electronic unit in the operating table: Menu “OR table Import Table Parameters“. 7. Restart the operating table: Menu “OR table Deactivate table“. Then switch on the operating table on the column keypad. Service Manual MARS 2 – 1 435 274 – 09/2013 Data for the electronic unit 9.3 Data for the electronic unit The following electronic unit data can be saved and imported: • Error memory (errors from the operating table can be evaluated at a later point in time and without a connection to the operating table). • Operating table equipment Export data: 1. Start the PC/Notebook. 2. Connect PC/Notebook via adapter cable with RS232 interface on the operating table. 3. Start up the “Service tool” PC software and establish a connection to the operating table (Menu “OR table Establish connection”). 4. Read out and save data: “Service Export data“. If necessary, change the path for the file storage (answer questions about the default directory with “No“). Three DAT files are saved: File name (*.dat) Content DataExport_Log_<Date>_<Time> Error memory DataExport_Configuration_<Date>_<Time> Operating table equipment DataExport_Application_<Date>_<Time> Programme settings (Data cannot be imported). Delete error memory and import new data: Before importing new data, the error memory should be deleted in Service tool. The error memory in the operating table is not affected by this. 1. Start the PC/Notebook. 2. Start “Service tool” PC software. 3. Display error memory in Service tool: Menu “Messages & Errors Display error”. Press the “Delete“ button. 4. Import the error memory in Service tool: Menu “Messages & Errors Import errors”. Select and open „DataExport_Log_<Date>_<Time>.dat“. Export operating table equipment: 1. Start the PC/Notebook. 2. Start “Service tool” PC software. 3. Import operating table equipment in Service tool: Menu “Master data Import equipment”. Select and open „DataExport_Configuration_<Date>_<Time>.dat“. Service Manual MARS 2 – 1 435 274 – 09/2013 205 Batteries 10 Repair Guide for the Running Gear 10.1 Batteries CAUTION Risk of material damage. Always replace the complete set of batteries! 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. Figure 128 Running gear - battery compartment 1 Cover battery compartment 2 Cover plate 3 Battery 4 5 Fuse Battery-fastening bracket 4. Carefully remove the cover from the battery compartment [1] on the running gear, and put it down in a safe place. 5. Remove the cover plate [2] (4 countersunk screws), and put them down in a safe place. 6. Remove and store both battery fuses safely [4]. 7. Remove two cables from each of the 2 batteries (on the battery set) [3]. 8. Remove the battery-fastening bracket [5] (2 machine screws) and store safely. 9. Remove the entire battery set. 10. Install a new battery set. 206 Service Manual MARS 2 – 1 435 274 – 09/2013 Batteries 11. Assemble the battery-fastening bracket [5] (2 machine screws). 12. CAUTION Danger of a short circuit! Connecting the battery terminals incorrectly causes damage. Connect the batteries [3] correctly (positive and negative terminals)! The voltage between brown (bn) and white (ws) is 24 V DC. 13. Insert both battery fuses [4]. 14. Mount the cover plate [2] (4 countersunk screws). 15. Put the cover battery compartment [1] on the running gear. 16. Check the charge in the batteries (charge with mains power supply if necessary!). TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 207 Mains socket 10.2 Mains socket 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. Figure 129 Mains socket in the running gear 1 Running gear 2 Potential connection 3 Cover 4 5 6 Mains socket (plug filter) M3x8 fillister-head screw Fuse socket 4. Lift the mains socket [4] cover [3] and remove 2 fillister-head screws [5]. 5. Carefully pull the mains socket [4] forward, out from the running gear [1]. 6. Make note of the installation position and the pin assignment! Disconnect all cables and remove the mains socket [4]. 7. Pry out the fuse socket [6] from the defective and the new mains socket with a screwdriver. 8. CAUTION Risk of material damage. Bear in mind the wiring diagram (page 273) and the fuse overview! Remove the defective mains socket’s fuses individually; test; replace if necessary and stick them into the new mains socket’s fuse socket. 9. Insert the new fuse socket into the new mains socket. 10. Pay attention to the cables’ pin assignment! Connect all cables to the new mains socket [4] (see also section 14 on page 273). 11. Make sure that the mains socket is in its original installation position (fuse socket on top)! Carefully insert the mains socket [4] into the running gear [1] and assemble (2 fillisterhead screws [5]). 12. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 208 Service Manual MARS 2 – 1 435 274 – 09/2013 Power supply fuses 10.3 Power supply fuses 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. Figure 130 Mains socket with fuse block 1 Running gear 2 Potential connection 3 Cover 4. 4 5 6 Mains socket (plug filter) Fuse socket Fuse Raise the mains socket [4] cover [3] and prise the fuse socket [5] out with a screwdriver. 5. CAUTION Risk of material damage. Bear in mind the wiring diagram (page 273) and the fuse overview! Remove the fuses [6] individually; test; and replace if needed. 6. Install fuse socket [5]. 7. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. Service Manual MARS 2 – 1 435 274 – 09/2013 209 Battery fuses 10.4 Battery fuses 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. Figure 131 Fuses in battery compartment 1 Cover battery compartment 2 Cover plate 3 4 Battery Fuse 4. Carefully remove the cover from the battery compartment [1] on the running gear, and put it down in a safe place. 5. Remove the cover plate [2] (4 countersunk screws), and put them down in a safe place. 6. Disconnect the positive connectors from the both batteries [3]. 7. CAUTION Risk of material damage. Bear in mind the wiring diagram (page 273) and the fuse overview! Remove the fuses [4] individually; test; and replace if needed. 8. Reattach the positive connectors to the both batteries [3]. 9. Mount the cover plate [2] (4 countersunk screws). 10. Put the cover battery compartment [1] on the running gear. 11. Connect the power supply, and switch the operating table on. TEST Check the operating table functions. 210 Service Manual MARS 2 – 1 435 274 – 09/2013 Castor with locking device MARS 2.01/2.02 10.5 Castor with locking device MARS 2.01/2.02 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 5. Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). 3 1 4 2 7 6 2 3 5 Figure 132 Front castor, foot end, with brake and directional travel MARS 2.01/2.02 1 Front cap 5 Shaft 2 Castor with locking device 6 Pull frame 3 Brake Bowden cable 7 Lever 4 Directional travel Bowden cable 6. Remove front cap [1] from the defective castor [2] and store safely. 7. Take note of where the Bowden cables have been laid! Unscrew the defective castor [2] (4 machine screws). 8. Unhook the directional travel Bowden cable [4] from the castor’s lever [7]. 9. Note the screw depth of the brake Bowden cable [3]. 10. Unscrew the brake Bowden cable [3] from the axle [5] in the pull frame [6] with the help of pliers. 11. Restore the original screw-in depth of the brake Bowden cable! Screw in the brake Bowden cable [3] into the axle [5] in the pull frame of the new castor with locking device. Service Manual MARS 2 – 1 435 274 – 09/2013 211 Castor with locking device MARS 2.01/2.02 12. Hook the directional travel Bowden cable [4] into the new castor’s lever [7]. 13. Mount the new castor (4 machine screws). 14. Put the Bowden cables [3]/[4] back into its original position. 15. Set the brake and directional travel so that they function safely and smoothly. If necessary, readjust the Bowden cables [3]/[4] with the nuts (on the drive axle). 16. Clip the front cap on [1]. 17. Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). 18. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 19. Connect the power supply, and switch the operating table on. TEST Check traveling functions! 212 Service Manual MARS 2 – 1 435 274 – 09/2013 Castor with locking device MARS 2.03/2.05/2.07/2.08 10.6 Castor with locking device MARS 2.03/2.05/2.07/2.08 1. Prepare the operating table (see section 3.3 on page 13). 2. Carry out work steps 1., 3. and 4. from section 5.1 on page 15. 3. CAUTION Risk of injuries! Turn the operating table with at least 2 people! MARS 2.03/2.05 Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. MARS 2.07/2.08 Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 4. Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 5. Remove and safely put down both battery fuses in the battery compartment. 6. Disconnect the positive connectors from the both batteries. 8 3 1 7 4 2 6 2 3 5 Figure 133 Front castor, foot end, with brake and directional travel MARS 2.03/2.05 1 Front cap 5 Shaft 2 Castor with locking device 6 Pull frame 3 Brake Bowden cable 7 Lever 4 Directional travel Bowden cable 8 Directional travel switch 7. Remove front cap [1] from the defective castor [2] and store safely. 8. Take note of where the Bowden cables have been laid! Unscrew the defective castor [2] (4 machine screws). 9. Pull out the connector from the directional travel switch [8]. 10. Unhook the directional travel Bowden cable [4] from the castor’s lever [7]. 11. Note the screw depth of the brake Bowden cable [3]. Service Manual MARS 2 – 1 435 274 – 09/2013 213 Castor with locking device MARS 2.03/2.05/2.07/2.08 12. Unscrew the brake Bowden cable [3] from the axle [5] in the pull frame [6] with the help of pliers. 13. Restore the original screw-in depth of the brake Bowden cable! Screw in the brake Bowden cable [3] into the axle [5] in the pull frame of the new castor with locking device. 14. Hook the directional travel Bowden cable [4] into the new castor’s lever [7]. 15. Mount the new castor (4 machine screws). 16. Put the Bowden cables [3]/[4] back into its original position. 17. Plug in the directional travel switch cable plug into the new directional travel switch [8] on the new castor. WARNING Danger to life and limb by an electric shock! Be especially careful and cautious while working! Secure the work area so that no other people can access it! The operating table must be switched on for the following work steps. 18. Reattach the positive connectors to the both batteries. 19. Insert both battery fuses. 20. Switch the operating table on. 21. Set the brake and directional travel so that they function safely and smoothly. If necessary, readjust the Bowden cables [3]/[4] with the nuts (on the drive axle). 22. Clip the front cap on [1]. 23. Jack up the operating table. 24. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 25. Mount the cover plate (4 countersunk screws). 26. Put the cover battery compartment on the running gear. 27. Connect the power supply. TEST Check traveling functions! 214 Service Manual MARS 2 – 1 435 274 – 09/2013 Front castor 10.7 Front castor 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. only MARS 2.01/2.02 Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4. CAUTION Risk of injuries! Turn the operating table with at least 2 people! MARS 2.01 to 2.06, MARS 2.11 Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. MARS 2.07/2.08 Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 5. MARS 2.01/2.02 Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). MARS 2.03 to 2.08, MARS 2.11 Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4 5 3 3 6 1 2 Figure 134 Front castor, foot end, with brake 1 Front cap 2 M8x20 machine screw 3 Brake Bowden cable 6. 4 5 6 Front castor Shaft Pull frame Remove front cap [1] from the defective castor [4] and store safely. Service Manual MARS 2 – 1 435 274 – 09/2013 215 Front castor 7. Take note of the mounting position of the Bowden cable! Unscrew the defective castor [4] (4 machine screws [2]). 8. Note the screw depth of the brake Bowden cable [3]. 9. Unscrew the brake Bowden cable [3] from the axle [5] in the pull frame [6] with the help of pliers. 10. Restore the original screw-in depth of the brake Bowden cable! Screw in the brake Bowden cable [3] into the axle [5] in the pull frame [6] of the new front castor. 11. Mount the new castor (4 machine screws [2]). 12. Put the Bowden cable [3] back into its original position. 13. only MARS 2.03 to 2.08, MARS 2.11 Switch the operating table on. 14. Set the brake so that it is functioning safely and smoothly. If necessary, readjust the Bowden cable [3] with the nuts (on the drive axle). 15. Clip the front cap on [1]. 16. MARS 2.01/2.02 Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). MARS 2.03 to 2.08, MARS 2.11 Jack up the operating table. 17. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 18. Connect the power supply. 19. only MARS 2.01/2.02 Switch the operating table on. TEST Check traveling functions! 216 Service Manual MARS 2 – 1 435 274 – 09/2013 Rear castor MARS 2.01/2.02 10.8 Rear castor MARS 2.01/2.02 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 5. Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). 6. Remove the cap from the running gear (behind, on the head end) and store safely. 6 1 5 4 2 3 7 Figure 135 Rear castor at the head end with brake MARS 2.01/2.02 1 M8x20 machine screw 5 Locking ring 5 2 Rear castor 6 Spindle 3 Axle holder (shaft holder) 7 Drive axle (shaft) 4 M8x20 machine screw 7. Take note of where the Bowden cables have been laid! Unscrew both rear castors [2] (4 machine screws [1] in each case). 8. Unscrew both axle holders [3] (2 machine screws [4] in each case) and store safely. 9. Remove the lock washer [5] at the end of the drive axle [7] (inside) and on the side of the defective castor. 10. Pull out the shaft [6] (brake Bowden cable attached to it) and remove the rear defective castor [2]. Watch out for the bushes. Service Manual MARS 2 – 1 435 274 – 09/2013 217 Rear castor MARS 2.01/2.02 11. Insert the new rear castor and assemble with the shaft [6] (brake Bowden cable attached to it) to the drive axle [7] (lock washer [5]). Watch out for the bushes. 12. Install the axle holders [3] (2x 2 machine screws [4]). 13. Assemble both rear castors [2] (4 machine screws [1] in each case). 14. Put the Bowden cables back into its original position. 15. Set the brake and directional travel so that they function safely and smoothly. If necessary, readjust the Bowden cables with the nuts (on the drive axle). 16. Clip the rear cap on. 17. Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). 18. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 19. Connect the power supply, and switch the operating table on. TEST Check traveling functions! 218 Service Manual MARS 2 – 1 435 274 – 09/2013 Rear castor MARS 2.03 to 2.08, MARS 2.11 10.9 Rear castor MARS 2.03 to 2.08, MARS 2.11 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. CAUTION Risk of injuries! Turn the operating table with at least 2 people! MARS 2.03 to 2.06, MARS 2.11 Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. MARS 2.07/2.08 Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 4. Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 5. Remove the cap from the running gear (behind, on the head end) and store safely. 6 1 8 12 7 4 5 2 10 13 3 9 11 8 14 14 Figure 136 Rear castor at the head end with brake MARS 2.03 to 2.08, MARS 2.11 1 M8x20 machine screw 8 Directional travel Bowden cable 2 Rear castor 9 Bowden cable holder 3 Axle holder (shaft holder) 10 Front articulated axle 4 M8x16 machine screw 11 Retaining ring 5 Locking ring 5 12 Castor 6 Spindle 13 Start-up disk 7 Drive axle (shaft) 14 Jacking unit 6. Take note of the mounting position of the directional travel Bowden cable! Unscrew the Bowden cable holder [9] from the trip fork (1 machine screw and 1 washer) and store safely. 7. Remove retaining ring [11] and roller [12] from front articulated axle and store safely. Service Manual MARS 2 – 1 435 274 – 09/2013 219 Rear castor MARS 2.03 to 2.08, MARS 2.11 8. NOTE Pay attention to start-up disks [13] (8 pieces) and roller! Do not allow them to fall into the running gear! Knock out the front articulated axle [10] downwards and store safely. 9. Swivel the jacking unit [14] carefully out of the way. 10. Take note of where the Bowden cables have been laid! Unscrew both rear castors [2] (4 machine screws [1] in each case). 11. Unscrew all 3 axle holders [3] (2 machine screws [4] in each case) and store safely. 12. Remove the lock washer [5] at the end of the drive axle [7] (inside) and on the side of the defective castor. 13. Pull out the shaft [6] (brake Bowden cable attached to it) and remove the rear defective castor [2]. Watch out for the bushes. 14. Insert up the new rear castor and assemble with the shaft [6] (brake Bowden cable attached to it) to the drive axle [7] (lock washer [5]). Watch out for the bushes. 15. Install the axle holders [3] (3x 2 machine screws [4]). 16. Assemble both rear castors [2] (4 machine screws [1] in each case). 17. Put the Bowden cables back into its original position. 18. Carefully swivel the jacking unit [14] back into position and position it in the drive axle’s [7] retainer with four stop discs [13] on the right and four on the left. 19. Insert a roller [12] on the front articulated axle [10] and guide through the jacking unit [14] from below. 20. Insert a second roller [12] on the front articulated axle [10] and assemble with retainer ring [11]. 21. Put the directional travel Bowden cable back into its original position! Assemble the Bowden cable holder [9] to the trip fork (1 washer and 1 machine screw). 22. Switch the operating table on. 23. Set the brake so that it is functioning safely and smoothly. If necessary, readjust the Bowden cables with the nuts (on the drive axle). 24. Clip the rear cap on. 25. Jack up the operating table. 26. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 27. Connect the power supply. TEST Check traveling functions! 220 Service Manual MARS 2 – 1 435 274 – 09/2013 Brake Bowden cable 10.10 Brake Bowden cable 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. only MARS 2.01/2.02 Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4. CAUTION Risk of injuries! Turn the operating table with at least 2 people! MARS 2.01 to 2.06, MARS 2.11 Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. MARS 2.07/2.08 Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 5. MARS 2.01/2.02 Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). MARS 2.03 to 2.08, MARS 2.11 Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 7 1 4 3 2 6 5 3 8 Figure 137 Brake Bowden cable 1 Locknut 2 Setting nut 3 Brake Bowden cable 4 Disc Service Manual MARS 2 – 1 435 274 – 09/2013 5 6 7 8 Shaft Pull frame Head end wheel Foot end wheel 221 Brake Bowden cable 6. Take note of the mounting position of the brake Bowden cable! Unscrew the counternut [1] and adjusting nut [2] on the head end (drive axle); remove washer [4] and store safely. 7. Pull out the brake Bowden cable [3] from the shaft. 8. Make a note of the screw-in depth of the brake Bowden cable [3] at the foot end of the running gear. 9. Unscrew the brake Bowden cable [3] from the axle [5] in the pull frame [6] with the help of pliers. 10. Restore the original screw-in depth of the brake Bowden cable! Insert the new brake Bowden cable and screw it into the axle [5] in the pull frame [6] of the foot end wheel [8]. 11. At the head end of the running gear, assemble the brake Bowden cable [3] with the washer [4], adjusting nut [2] -and counternut [1] onto the drive axle. 12. Put the Bowden cable back into its original position. 13. only MARS 2.03 to 2.08, MARS 2.11 Switch the operating table on. 14. Set the brake so that it is functioning safely and smoothly. If necessary, readjust the Bowden cable [3] with the nuts (on the drive axle). 15. MARS 2.01/2.02 Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). MARS 2.03 to 2.08, MARS 2.11 Jack up the operating table. 16. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 17. Connect the power supply. 18. only MARS 2.01/2.02 Switch the operating table on. TEST Check traveling functions! 222 Service Manual MARS 2 – 1 435 274 – 09/2013 Directional travel Bowden cable MARS 2.01/2.02 10.11 Directional travel Bowden cable MARS 2.01/2.02 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 5. Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). 7 8 10 9 8 4 4 5 4 3 1 2 Figure 138 Directional travel Bowden cable MARS 2.01/2.02 1 Locknut 6 2 Setting nut 7 3 Locking piece 8 4 Directional travel Bowden cable 9 5 Lever 10 6 Wheel with locking device Locking ring 8 Castor Cable holder Shaft 6. Take note of the mounting position of the directional travel Bowden cable! Unscrew the counternut [1] and adjusting nut [2] on the head end (drive axle) and store safely. 7. Pull out the directional travel Bowden cable [4] from the locking piece [3] on the foot lever. 8. At the foot end of the running gear, unhook the directional travel Bowden cable [4] from the lever [5] of the wheel with locking device [6]. 9. Remove lock washer [7] from the roller [8] and store safely. Service Manual MARS 2 – 1 435 274 – 09/2013 223 Directional travel Bowden cable MARS 2.01/2.02 10. Remove washer, cable holder [9], and roller [8] from the axle [10] and store safely. 11. Remove the defective directional travel Bowden cable [4]. 12. Insert new directional travel Bowden cable. 13. Push the roller [8], cable holder [9], and washer onto the axle [10] and assemble with lock washer [7]. 14. At the foot end of the running gear, hook the directional travel Bowden cable [4] into the lever [5] of the wheel with locking device [6]. 15. At the head end of the running gear, insert the directional travel Bowden cable [4] into the locking piece [3] on the foot lever, and assemble the adjusting nut [2] and counternut [1] onto the drive axle. 16. Put the Bowden cable [4] back into its original position. 17. Set the directional travel so that it is functioning safely and smoothly. If necessary, readjust the Bowden cable [4] with the nuts (on the drive axle). 18. Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). 19. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 20. Connect the power supply, and switch the operating table on. TEST Check traveling functions! 224 Service Manual MARS 2 – 1 435 274 – 09/2013 Directional travel Bowden cable MARS 2.03/2.05/2.07/2.08 10.12 Directional travel Bowden cable MARS 2.03/2.05/2.07/2.08 1. Prepare the operating table (see section 3.3 on page 13). 2. Carry out work steps 1., 3. and 4. from section 5.1 on page 15. 3. CAUTION Risk of injuries! Turn the operating table with at least 2 people! MARS 2.03/2.05 Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. MARS 2.07/2.08 Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 4. Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 5. Remove and safely put down both battery fuses in the battery compartment. 6. Disconnect the positive connectors from the both batteries. 8 8 4 1 5 2 1 3 4 7 8 4 6 10 9 Figure 139 Directional travel Bowden cable MARS 2.03/2.05/2.07/2.08 1 Bowden cable holder 6 Wheel with locking device 2 Trip fork 7 Locking ring 3 Locknut 8 Castor 4 Directional travel Bowden cable 9 Cable holder 5 Lever 10 Shaft 7. Take note of the mounting position of the directional travel Bowden cable! Unscrew the Bowden cable holder [1] from the trip fork [2] (1 machine screw and 1 washer). 8. Note the screw depth of the directional travel Bowden cable [4]. Service Manual MARS 2 – 1 435 274 – 09/2013 225 Directional travel Bowden cable MARS 2.03/2.05/2.07/2.08 9. Unscrew the directional travel Bowden cable [4] out of the cable holder [1] with the help of pliers. 10. At the foot end of the running gear, unhook the directional travel Bowden cable [4] from the lever [5] of the wheel with locking device [6]. 11. Remove lock washer [7] from the roller [8] and store safely. 12. Remove washer, cable holder [9], and roller [8] from the axle [10] and store safely. 13. Repeat work steps 11. and 12. with the second roller. 14. Remove the defective directional travel Bowden cable [4]. 15. Insert new directional travel Bowden cable. 16. Push a roller [8], cable holder [9], and washer onto each of both axles [10] and assemble with lock washer [7]. 17. At the foot end of the running gear, hook the directional travel Bowden cable [4] into the lever [5] of the wheel with locking device [6]. 18. Restore the original screw-in depth of the directional travel Bowden cable! Screw in the new directional travel Bowden cable into the Bowden cable holder [1] and secure with the counternut [3]. 19. Put the directional travel Bowden cable back into its original position! At the running gear head end, assemble the Bowden cable holder [1] to the trip fork [2] (1 washer and 1 machine screw). WARNING Danger to life and limb by an electric shock! Be especially careful and cautious while working! Secure the work area so that no other people can access it! The operating table must be switched on for the following work steps. 20. Reattach the positive connectors to the both batteries. 21. Insert both battery fuses. 22. Switch the operating table on. 23. Set the directional travel so that it is functioning safely and smoothly. If necessary, readjust the Bowden cable [4] with the counternuts [3] (on the cable holder [1]). 24. Jack up the operating table. 25. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 26. Mount the cover plate (4 countersunk screws). 27. Put the cover battery compartment on the running gear. 28. Connect the power supply. TEST Check traveling functions! 226 Service Manual MARS 2 – 1 435 274 – 09/2013 Directional travel Bowden cable MARS 2.04/2.06/2.11 10.13 Directional travel Bowden cable MARS 2.04/2.06/2.11 1. Prepare the operating table (see section 3.3 on page 13). 2. Carry out work steps 1., 3. and 4. from section 5.1 on page 15. 3. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 4. Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 5. Remove and safely put down both battery fuses in the battery compartment. 6. Disconnect the positive connectors from the both batteries. 5 8 4 8 1 13 2 1 3 7 8 4 5 6 10 9 11 12 Figure 140 Directional travel Bowden cable MARS 2.04/2.06/2.11 1 Bowden cable holder 8 Castor 2 Trip fork 9 Cable holder 3 Locknut 10 Shaft 4 Directional travel Bowden cable 11 Screwed pin M3 5 Nut M6 12 Switch lever 6 Bearing bracket 13 Jacking shaft 7 Locking ring 7. Take note of the mounting position of the directional travel Bowden cable! Unscrew the Bowden cable holder [1] from the trip fork [2] (1 machine screw and 1 washer). 8. Note the screw depth of the directional travel Bowden cable [4]. Service Manual MARS 2 – 1 435 274 – 09/2013 227 Directional travel Bowden cable MARS 2.04/2.06/2.11 9. Unscrew the directional travel Bowden cable [4] out of the Bowden cable holder [1] with the help of pliers. 10. At the running gear foot end, release the jacking shaft’s [13] bearing bracket [13] (remove 2 nuts [5]), carefully push upwards (from the jacking shaft), remove, and store safely. 11. Take note of the mounting position of the directional travel Bowden cable! Release the directional travel Bowden cable [4] from the jacking shaft [13] (1 threaded pin [11]) and carefully remove the switching lever [12]. 12. Note the screw depth of the directional travel Bowden cable [4]. 13. Unscrew the directional travel Bowden cable [4] out from the fork of the spring-loaded pin on the switching lever [12] with the help of pliers. 14. Remove lock washer [7] from the roller [8] and store safely. 15. Remove washer, cable holder [9], and roller [8] from the axle [10] and store safely. 16. Repeat these work steps 14. and 15. with the second roller. 17. Remove the defective directional travel Bowden cable [4]. 18. Insert new directional travel Bowden cable. 19. Push a roller [8], cable holder [9], and washer onto each of both axles [10] and assemble with lock washer [7]. 20. Restore the original screw-in depth of the directional travel Bowden cable! Screw in the new directional travel Bowden cable in the fork of the spring-loaded pin on the switching lever [12]. 21. Put the directional travel Bowden cable back into its original position! At the running gear foot end, push the switching lever [12] with new directional travel Bowden cable onto the jacking shaft [13] and install it in the groove (1 threaded pin [11]). 22. Carefully push the bearing bracket [6] from above onto the jacking shaft [13] and assemble (2 nuts [5]). 23. Restore the original screw-in depth of the directional travel Bowden cable! Screw in the new directional travel Bowden cable into the Bowden cable holder [1] and secure with the counternut [3]. 24. Put the directional travel Bowden cable back into its original position! At the running gear head end, assemble the Bowden cable holder [1] to the trip fork [2] (1 washer and 1 machine screw). 228 Service Manual MARS 2 – 1 435 274 – 09/2013 Directional travel Bowden cable MARS 2.04/2.06/2.11 11 13 4 14 15 17 16 Figure 141 Travelling drive adjustment MARS 2.04/2.06/2.11 4 Directional travel Bowden cable 15 Drive roller 11 Screwed pin M3 16 Travelling drive 13 Jacking shaft 17 Wooden spacer 3 mm 14 Running gear 25. Clamp the wooden spacer [17] between the running gear [14] and the drive unit [16]. 26. The directional travel Bowden cable must be taut! Adjust the directional travel Bowden cable [4] on the jacking shaft [13] (1 threaded pin [11]). 27. Remove wooden spacer [17]. NOTE Set the travelling drive so that it is functioning safely and smoothly. If the adjustment is appropriate, the drive roller [15] rests against the running gear [14]. WARNING Danger to life and limb by an electric shock! Be especially careful and cautious while working! Secure the work area so that no other people can access it! The operating table must be switched on for the following work steps. 28. Reattach the positive connectors to the both batteries. 29. Insert both battery fuses. 30. Switch the operating table on and jack up. 31. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 32. Mount the cover plate (4 countersunk screws). 33. Put the cover battery compartment on the running gear. 34. Connect the power supply. Service Manual MARS 2 – 1 435 274 – 09/2013 229 Directional travel Bowden cable MARS 2.04/2.06/2.11 TEST Check traveling functions! 230 Service Manual MARS 2 – 1 435 274 – 09/2013 Directional travel switch cable MARS 2.03/2.05/2.07/2.08 10.14 Directional travel switch cable MARS 2.03/2.05/2.07/2.08 1. Prepare the operating table (see section 3.3 on page 13). 2. Carry out work steps 1., 3. and 4. from section 5.1 on page 15. 3. Unscrew 2 countersunk screws from the very bottom of the metal cover. 4. Slide the metal cover upwards and fix it securely to the column guide with the M6 retaining screw. 5. CAUTION Risk of injuries! Turn the operating table with at least 2 people! MARS 2.03/2.05 Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. MARS 2.07/2.08 Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 6. Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 7. Remove and safely put down both battery fuses in the battery compartment. 8. Disconnect the positive connectors from the both batteries. 3 3 2 1 4 5 4 5 Figure 142 Directional travel switch cable MARS 2.03/2.05/2.07/2.08 1 Cable bushing plate 4 Directional travel switch cable 2 M4x5 machine screw 5 Wheel with locking device 3 Directional travel switch 9. Remove the plug of the directional travel switch cable [4] from the directional travel switch [3]. 10. Remove the cable bushing [1] that is on a side of the running gear plate (2 machine screws [2]) and store safely. Service Manual MARS 2 – 1 435 274 – 09/2013 231 Directional travel switch cable MARS 2.03/2.05/2.07/2.08 11. Take note of where the cables have been laid. Remove the other plugs of the directional travel switch cable from the connector assembly on the energy chain holder; remove cable binder, and release the cable. 12. Remove cable clip (1 nut) and remove the defective directional travel switch cable [4]. 13. Insert the new directional travel switch cable. 14. Put the cables back into their original positions and connect the plug of the new directional travel switch cable to the energy chain holder connector assembly. 15. CAUTION Risk of cables being crushed! Insert the grommets for cable protection (in the running gear) and the plate cable bushing [1] correctly! Assemble the plate cable bushing [1] (2 machine screws [2]). 16. Plug in the directional travel switch cable plug [4] into the directional travel switch [3] on the wheel with locking device [5]. 17. Put the cables back into their original positions. Fix the cables with cable clip (1nut) and cable binders. 18. Reattach the positive connectors to the both batteries. 19. Insert both battery fuses. 20. Switch the operating table on and jack up. 21. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 22. Remove retaining screw from the column guide and slide the metal cover downwards. 23. Close the metal cover (2 countersunk screws). 24. Mount the cover plate (4 countersunk screws). 25. Put the cover battery compartment on the running gear. 26. Connect the power supply. TEST Check traveling functions! 232 Service Manual MARS 2 – 1 435 274 – 09/2013 Foot lever MARS 2.01/2.02 10.15 Foot lever MARS 2.01/2.02 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 5. Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). 6. Remove the cap on the head side of the running gear and store safely. 6 3 1 10 2 4 14 11 4 12 13 5 9 7 Figure 143 Foot lever MARS 2.01/2.02 1 Axle holder (shaft holder) 2 M8x20 machine screw 3 Brake Bowden cable 4 Directional travel Bowden cable 5 Foot lever 6 M8x20 machine screw 7 Tension spring 8 7 8 9 10 11 12 13 14 Setting nut Locknut Rear castor Locking piece Drive axle (shaft) M8x12 machine screw Rest cam 7. Take note of where the Bowden cables have been laid! Unscrew both wheels [10] (4 machine screws [6] in each case). 8. Unscrew both axle holders [1] (2 machine screws [2] in each case) and store safely. 9. Take note of the mounting position of the directional travel Bowden cable! Unscrew the counternut [9] and adjusting nut [8] on the head end (drive axle) and store safely. Service Manual MARS 2 – 1 435 274 – 09/2013 233 Foot lever MARS 2.01/2.02 10. Pull out the directional travel Bowden cable [4] from the locking piece [11] on the foot lever [5]. 11. Hold the pedal securely. Unscrew the foot lever [5] from the drive axle [12] (1 machine screw [13] and 1 washer). 12. Unhook the tension spring [7]. 13. Pay attention to flange bushings! Carefully pull out the foot lever [5] from the drive axle bearing and the rest cam [14]. 14. Pay attention to flange bushings! Insert the new foot lever and assemble (1 washer and 1 machine screw [13]). 15. Hook tension spring [7] into place. 16. Insert the directional travel Bowden cable [4] into the locking piece [11] on the foot lever [5], and assemble with the adjusting nut [8] and counternut [9] onto the drive axle [12]. 17. Install the axle holders [1] (2x 2 machine screws [2]). 18. Mount both castors [10] (4 machine screws [6] in each case). 19. Put the Bowden cables [3]/[4] back into its original position. 20. Set the brake and directional travel so that they function safely and smoothly. If necessary, readjust the Bowden cables [3]/[4] with the nuts (on the drive axle). 21. Clip the cap on. 22. Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). 23. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 24. Connect the power supply, and switch the operating table on. TEST Check traveling functions! 234 Service Manual MARS 2 – 1 435 274 – 09/2013 Rest cam MARS 2.01/2.02 10.16 Rest cam MARS 2.01/2.02 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 5. Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). 6. Remove the cap on the head side of the running gear and store safely. 6 3 1 10 2 4 7 11 4 12 8 5 9 13 7 Figure 144 Rest cam MARS 2.01/2.02 1 Axle holder (shaft holder) 2 M8x20 machine screw 3 Brake Bowden cable 4 Directional travel Bowden cable 5 Foot lever 6 M8x20 machine screw 7 Rest cam 8 9 10 11 12 13 Setting nut Locknut Rear castor Locking piece Drive axle (shaft) M8x12 machine screw 7. Take note of where the Bowden cables have been laid! Unscrew both wheels [10] (4 machine screws [6] in each case). 8. Unscrew both axle holders [1] (2 machine screws [2] in each case) and store safely. 9. Take note of the mounting position of the directional travel Bowden cable! Unscrew the counternut [9] and adjusting nut [8] on the head end (drive axle) and store safely. Service Manual MARS 2 – 1 435 274 – 09/2013 235 Rest cam MARS 2.01/2.02 10. Pull out the directional travel Bowden cable [4] from the locking piece [11] on the foot lever [5]. 11. Carefully remove drive axle [12] (complete with foot lever [5] and wheels [10]) and store safely. 12. Remove defective rest cam [7] (1 machine screw [13]). 13. Assemble new rest cam [7] (1 machine screw [13]). 14. Carefully insert the entire drive axle [12] and assemble with the axle holders [1] (2x 2 machine screws [2]). 15. Mount both wheels [10] (4 machine screws [6] in each case). 16. Insert the directional travel Bowden cable [4] into the locking piece [11] on the foot lever [5], and assemble with the adjusting nut [8] and counternut [9] onto the drive axle [12]. 17. Put the Bowden cables [3]/[4] back into its original position. 18. Set the brake and directional travel so that they function safely and smoothly. If necessary, readjust the Bowden cables [3]/[4] with the nuts (on the drive axle). 19. Clip the cap on. 20. Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). 21. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 22. Connect the power supply, and switch the operating table on. TEST Check traveling functions! 236 Service Manual MARS 2 – 1 435 274 – 09/2013 Gas-filled spring device MARS 2.01/2.02 10.17 Gas-filled spring device MARS 2.01/2.02 1. Prepare the operating table (see section 3.3 on page 13). 2. Disconnect the power supply cable from the mains supply. 3. Switch off the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 4. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 5. Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). 1 3 Figure 145 Gas-filled spring device MARS 2.01/2.02 1 Retaining ring 2 Bolt 1 3 2 3 2 Gas-filled spring device 6. Remove the retaining rings [1] (4x) from the gas-filled spring device [3] and store safely. 7. Knock the pins [2] (2x) through downwards and store safely. 8. Remove defective gas-filled spring device [3]. 9. Insert a new gas-filled spring device. 10. Insert both pins [2]. 11. Assemble retaining rings [1] (4x). 12. Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). 13. CAUTION Risk of injuries! Mount the operating table with at least 2 people! Service Manual MARS 2 – 1 435 274 – 09/2013 237 Gas-filled spring device MARS 2.01/2.02 14. Connect the power supply, and switch the operating table on. TEST Check traveling functions! 238 Service Manual MARS 2 – 1 435 274 – 09/2013 Jacking up switch MARS 2.01/2.02 10.18 Jacking up switch MARS 2.01/2.02 1. Prepare the operating table (see section 3.3 on page 13). 2. Remove the power from the operating table (see section 5.1 on page 15). 3. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 4. Set the foot lever TRAVEL MODE in the directional travel position (see FOOT LEVER OPERATION pictogram!). 5 6 3 4 1 2 3 Figure 146 Jacking up switch MARS 2.01/2.02 1 Jacking up switch 2 Cable clamp 3 Nut M4 4 5 6 Jacking up switch cable Drive axle (shaft) Jumper ring 5. Take note of where the cable has been laid. Remove the cable clip [2] (1 nut [3]). 6. Take note of where the module has been laid! Unscrew the entire jack up switch assembly [1] (2 nuts [3]) and remove carefully. 7. Remove the plug of the jack up switch cable [4] from the defective jack up switch [1]. 8. Connect the plug of the jack up switch cable [4] to the new jack up switch assembly. 9. Make sure that the assembly is in its original installation position! Insert the entire new jack up switch assembly (the jack up switch is located under the jumper ring [6]) and assemble (2 nuts [3]). 10. Put the cables back into its original positions and secure with cable clip [2] (1 nut [3]). 11. Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). 12. CAUTION Risk of injuries! Mount the operating table with at least 2 people! Service Manual MARS 2 – 1 435 274 – 09/2013 239 Jacking up switch MARS 2.01/2.02 13. Connect the batteries (see section 5.2 on page 16). 14. Connect the power supply, and switch the operating table on. TEST Check traveling functions! 240 Service Manual MARS 2 – 1 435 274 – 09/2013 Jacking up switch cable MARS 2.01/2.02 10.19 Jacking up switch cable MARS 2.01/2.02 1. Prepare the operating table (see section 3.3 on page 13). 2. Remove the power from the operating table (see section 5.1 on page 15). 3. Unscrew 2 countersunk screws from the very bottom of the metal cover. 4. Slide the metal cover upwards and fix it securely to the column guide with the M6 retaining screw. 5. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 2 5 6 3 Figure 147 Jacking up switch cable MARS 2.01/2.02 1 Cable bushing plate 2 M4x5 machine screw 3 Jacking up switch 1 4 4 5 6 Jacking up switch cable Cable clamp Drive axle (shaft) 6. Remove the plug of the jack up switch cable [4] from the jack up switch [3]. 7. Remove the cable bushing [1] that is on a side of the running gear plate (2 machine screws [2]) and store safely. 8. Take note of where the cable has been laid. Remove the other plugs of the jack up switch cable from the connector assembly on the energy chain holder; remove cable binder, and release the cable. 9. Remove cable clip [5] (1 nut) and remove the defective jack up switch cable [4]. 10. Insert new jack up switch cable. 11. Put the cables back into their original positions and connect the plug of the new jack up switch cable to the energy chain holder connector assembly. 12. CAUTION Risk of cables being crushed! Insert the grommets for cable protection (in the running gear) and the plate cable bushing [1] correctly! Service Manual MARS 2 – 1 435 274 – 09/2013 241 Jacking up switch cable MARS 2.01/2.02 Assemble the plate cable bushing [1] (2 machine screws [2]). 13. Plug in the jack up switch cable [4] plug into the jack up switch [3] (under the drive axle [6]). 14. Put the cable back into their original positions. Fix the cable with cable clips (1 nut) and cable binders. 15. Set the foot lever TRAVEL MODE in the brake position (see FOOT LEVER OPERATION pictogram!). 16. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 17. Remove retaining screw from the column guide and slide the metal cover downwards. 18. Close the metal cover (2 countersunk screws). 19. Connect the batteries (see section 5.2 on page 16). 20. Connect the power supply, and switch the operating table on. TEST Check traveling functions! 242 Service Manual MARS 2 – 1 435 274 – 09/2013 Jacking unit MARS 2.03 to 2.08, MARS 2.11 10.20 Jacking unit MARS 2.03 to 2.08, MARS 2.11 CAUTION, pay close attention to assemblies requiring serial numbers, chapter 12 on page 264. 1. Prepare the operating table (see section 3.3 on page 13). 2. Carry out work steps 1., 3. and 4. from section 5.1 on page 15. 3. Unscrew 2 countersunk screws from the very bottom of the metal cover. 4. Slide the metal cover upwards and fix it securely to the column guide with the M6 retaining screw. 5. CAUTION Risk of injuries! Turn the operating table with at least 2 people! MARS 2.03 to 2.06, MARS 2.11 Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. MARS 2.07/2.08 Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 6. Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 7. Remove and safely put down both battery fuses in the battery compartment. 8. Disconnect the positive connectors from the both batteries. Service Manual MARS 2 – 1 435 274 – 09/2013 243 Jacking unit MARS 2.03 to 2.08, MARS 2.11 5 4 6 2 12 1 7 10 5 11 8 7 3 9 11 Figure 148 Jacking unit MARS 2.03 to 2.08, MARS 2.11 1 Cable bushing plate 2 M4x5 machine screw 3 Jacking unit 4 Front articulated axle 5 Retaining ring 6 Castor 9. 7 8 9 10 11 12 Start-up disk Rear articulated axle Emergency release Rocker Stirrup Rod Remove the cable bushing [1] that is on a side of the running gear plate (2 machine screws [2]) and store safely. 10. Take note of where the cables have been laid. Remove the plugs of the jacking unit [3] from the connector assembly on the energy chain holder; remove cable binder, and release the cable. 11. Remove retaining ring [11] and roller [12] from front articulated axle and store safely. 12. NOTE Pay attention to start-up disks [7] (8 pieces) and roller! Do not allow them to fall into the running gear! Knock out the front articulated axle [4] downwards and store safely. 13. Remove retaining ring [5] and two start-up disks [7] from rear articulated axle [8] and store safely. 14. NOTE Pay attention to start-up disks (2 pieces)! Do not allow them to fall into the running gear! Knock out the rear articulated axle [7] downwards and store safely. 15. Remove defective jacking unit [3]. 244 Service Manual MARS 2 – 1 435 274 – 09/2013 Jacking unit MARS 2.03 to 2.08, MARS 2.11 16. For better assembly, open the emergency releasing device [9] slightly and swing out the rocker [10]. 17. Insert a new jacking unit. 18. Place between the rear rod of the jacking unit [3] and the rocker [10], below two startup disks [7]. 19. Guide in the rear articulated axle [8] from below into the rocker [10], push through the start-up disks [7] and the jacking unit’s [3] rod. 20. Place two start-up disks [7] above between the rocker [10] and the jacking unit’s [3] rod. 21. Push the rear articulated axle [8] completely through and assemble with retaining ring [5]. 22. Place between the front rod [12] of the jacking unit and the drive axle’s retainer [11] under four start-up disks [7]. 23. Guide in the front of the articulated axle [4] with roller [6] from below into the retainer [11], push through the start-up disks [7] and the jacking unit’s rod. 24. Place four start-up disks [7] above between the retainer [11] and the rod [12]. 25. Push the front articulated axle [4] completely through. 26. Insert a second roller [6] on the front articulated axle [4] and assemble with retainer ring [5]. 27. Put the cables back into their original positions and connect the plug of the new jacking unit on the energy chain holder connector assembly. 28. CAUTION Risk of cables being crushed! Insert the grommets for cable protection (in the running gear) and the plate cable bushing [1] correctly! Assemble the plate cable bushing [1] (2 machine screws [2]). 29. Put the cables back into their original positions. Fix the cables with cable binders. 30. Reattach the positive connectors to the both batteries. 31. Insert both battery fuses. 32. Switch the operating table on and jack up. 33. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 34. Remove retaining screw from the column guide and slide the metal cover downwards. 35. Close the metal cover (2 countersunk screws). 36. Mount the cover plate (4 countersunk screws). 37. Put the cover battery compartment on the running gear. 38. Connect the power supply. Service Manual MARS 2 – 1 435 274 – 09/2013 245 Jacking unit MARS 2.03 to 2.08, MARS 2.11 TEST Check traveling functions! 246 Service Manual MARS 2 – 1 435 274 – 09/2013 Hall sensor circuit board MARS 2.03 to 2.08, MARS 2.11 10.21 Hall sensor circuit board MARS 2.03 to 2.08, MARS 2.11 1. Prepare the operating table (see section 3.3 on page 13). 2. Carry out work steps 1., 3. and 4. from section 5.1 on page 15. 3. Unscrew 2 countersunk screws from the very bottom of the metal cover. 4. Slide the metal cover upwards and fix it securely to the column guide with the M6 retaining screw. 5. CAUTION Risk of injuries! Turn the operating table with at least 2 people! MARS 2.03 to 2.06, MARS 2.11 Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. MARS 2.07/2.08 Turn the operating table on the side without a membrane keyboard and lay down safely on an even surface. 6. Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 7. Remove and safely put down both battery fuses in the battery compartment. 8. Disconnect the positive connectors from the both batteries. 9. Remove the cable bushing that is on a side of the running gear plate (2 machine screws) and store safely. 10. Take note of where the cables have been laid. Remove the Hall sensor printed circuit board plug from the connector assembly on the energy chain holder. Service Manual MARS 2 – 1 435 274 – 09/2013 247 Hall sensor circuit board MARS 2.03 to 2.08, MARS 2.11 5 11 6 10 7 4 3 2 9 8 1 Figure 149 Hall sensor circuit board MARS 2.03 to 2.08, MARS 2.11 1 Jumper ring 7 Hall sensor circuit board 2 M5x16 machine screw 8 Shaft holder 3 Circuit board plate 9 M3x4 machine screw 4 M3x6 machine screw 10 Disc 5 Cable clamp 11 Hall sensor board cable 6 Nut M4 11. Take note of where the cables have been laid. Remove the cable clip [5] (1 nut [6]), remove the cable binder, and release the cable [11]. 12. Take note of the mounting position of the jumper ring! Remove the jumper ring [1] (1 machine screw [2]) and store safely. 13. Make note of the printed circuit board plate’s installation position! Unscrew the printed circuit board plate [3] with the Hall sensor printed circuit board (4 machine screws [4]) and remove carefully. 14. Take note of where the circuit board has been laid! Unscrew the defective Hall sensor printed circuit board [7] from the printed circuit board plate [3] (4 machine screws [9] and 1 washer [10] from the voltage connection). 15. Remove plug from the defective Hall sensor printed circuit board [7]. 16. Connect the plug to the new Hall sensor printed circuit board. 17. Put the circuit board back into its original position! Assemble together with the voltage connection cable! Assemble the new Hall sensor printed circuit board on the printed circuit board plate [3] (1 washer [10] and 4 machine screws [9]). 18. Put the printed circuit board plate back into its original position! Insert the printed circuit board plate [3] (sensor connections showing towards the head end!) and assemble (4 machine screws [4]). 19. Put the cables back into their original positions and connect the plug of the Hall sensor printed circuit board cable to the energy chain holder connector assembly. Fix the cables with cable clip (1nut [6]) and cable binders. 248 Service Manual MARS 2 – 1 435 274 – 09/2013 Hall sensor circuit board MARS 2.03 to 2.08, MARS 2.11 20. Put the jumper ring back into its original position! Set the jumper ring [1] on the drive axle and assemble it by hand tightly (1 machine screw [2]). 21. Align the jumper ring’s [1] opening next to the shaft holder [8] above the end sensor, and tightly screw down the machine screw [2]. 22. Reattach the positive connectors to the both batteries. 23. Insert both battery fuses. 24. Switch the operating table on and jack up. 25. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 26. Remove retaining screw from the column guide and slide the metal cover downwards. 27. Close the metal cover (2 countersunk screws). 28. Mount the cover plate (4 countersunk screws). 29. Put the cover battery compartment on the running gear. 30. Connect the power supply. TEST Check traveling functions! Service Manual MARS 2 – 1 435 274 – 09/2013 249 Travelling drive MARS 2.04/2.06/2.11 10.22 Travelling drive MARS 2.04/2.06/2.11 1. Prepare the operating table (see section 3.3 on page 13). 2. Carry out work steps 1., 3. and 4. from section 5.1 on page 15. 3. Unscrew 2 countersunk screws from the very bottom of the metal cover. 4. Slide the metal cover upwards and fix it securely to the column guide with the M6 retaining screw. 5. CAUTION Risk of injuries! Turn the operating table with at least 2 people! Turn the operating table on the side with a membrane keyboard and lay down safely on an even surface. 6. Switch off and jack down the operating table (remote control). CAUTION Risk of injury from the capacitor voltage. All LEDs on the membrane keyboard must be out. 7. Remove and safely put down both battery fuses in the battery compartment. 8. Disconnect the positive connectors from the both batteries. 6 2 1 4 3 Figure 150 Travelling drive MARS 2.04/2.06/2.11 1 Bearing bracket 2 Nut M6 3 Cable bushing plate 4 M4x5 machine screw 9. 5 6 7 8 7 8 5 Travelling drive Directional travel Bowden cable Screwed pin M3 Jacking shaft Draw out the drive unit [5]. 10. Remove the plate cable bushing [3] that is on a side of the running gear, next to the bearing bracket [1] (2 machine screws [4]) and store safely. 11. Take note of where the cables have been laid. Remove the drive unit plug from the connector assembly on the energy chain holder; remove cable binder, and release the cable. 250 Service Manual MARS 2 – 1 435 274 – 09/2013 Travelling drive MARS 2.04/2.06/2.11 12. Take note of the mounting position of the directional travel Bowden cable! Release the directional travel Bowden cable [6] on the jacking shaft [8] (1 threaded pin [7]). 13. Loosen the bearing bracket [1] (2 nuts [2]). 14. Remove the cable clip (1 nut). 15. Hold the defective drive unit [5] securely; unscrew (4 nuts [2]); push upwards; remove carefully; and remove switching lever with directional travel Bowden cable [6]. 16. Put the directional travel Bowden cable back into its original position! Insert the new drive unit into the running gear and push the switching lever with directional travel Bowden cable [6] onto the jacking shaft [8]. 17. Position the drive unit [5] in the bearing bracket [1] and assemble onto the running gear (4 nuts [2]). 18. Fit the bearing bracket [1] (2 nuts [2]). 19. Put the cables back into their original positions and connect the plug of the new drive unit to the energy chain holder connector assembly. Fix the cables with cable clip (1nut) and cable binders. 20. CAUTION Risk of cables being crushed! Insert the grommets for cable protection (in the running gear) and the plate cable bushing [3] correctly! Assemble the plate cable bushing [3] (2 machine screws [4]). 21. Push the switching lever with directional travel Bowden cable [6] on the jacking shaft [8] towards the groove and assemble (1 threaded pin [7]). 7 8 6 9 10 11 5 Figure 151 Travelling drive adjustment MARS 2.04/2.06/2.11 5 Travelling drive 9 Running gear 6 Directional travel Bowden cable 10 Drive roller 7 Screwed pin M3 11 Wooden spacer 3 mm 8 Jacking shaft 22. Clamp the wooden spacer [11] between the running gear [9] and the drive unit [5]. 23. The directional travel Bowden cable must be taut! Adjust the directional travel Bowden cable [6] on the jacking shaft [8] (1 threaded pin [7]). Service Manual MARS 2 – 1 435 274 – 09/2013 251 Travelling drive MARS 2.04/2.06/2.11 24. Remove wooden spacer [11]. NOTE Set the travelling drive so that it is functioning safely and smoothly. If the adjustment is appropriate, the drive roller [10] rests against the running gear [9]. WARNING Danger to life and limb by an electric shock! Be especially careful and cautious while working! Secure the work area so that no other people can access it! The operating table must be switched on for the following work steps. 25. Reattach the positive connectors to the both batteries. 26. Insert both battery fuses. 27. Switch the operating table on and jack up. 28. CAUTION Risk of injuries! Mount the operating table with at least 2 people! 29. Remove retaining screw from the column guide and slide the metal cover downwards. 30. Close the metal cover (2 countersunk screws). 31. Mount the cover plate (4 countersunk screws). 32. Put the cover battery compartment on the running gear. 33. Connect the power supply. TEST Check traveling functions! 252 Service Manual MARS 2 – 1 435 274 – 09/2013 Toothed belt travelling drive MARS 2.04/2.06/2.11 10.23 Toothed belt travelling drive MARS 2.04/2.06/2.11 1. Remove the entire drive unit from the running gear and store safely. See section 10.22 on page 250, work steps 1. to 15. 1 2 7 4 3 5 6 6 Figure 152 Toothed belt travelling drive MARS 2.04/2.06/2.11 1 Travelling drive motor 5 Toothed belt 2 M5x10 machine screw 6 Toothed-belt pulley 3 M4x25 countersunk screw 7 Rocker 4 Disk main drive 2. Unscrew the travelling drive motor [1] (4 machine screws [2]). 3. Remove the countersunk screw [3] and the disk main drive [4] from the small toothedbelt pulley [6] and store safely. 4. Pull the toothed-belt pulley [6], and put it down in a safe place. 5. Remove the defective toothed belt [5]. 6. Push the toothed-belt pulley [6] onto the axle of the drive unit motor [1] and assemble (1 disk main drive [4] and 1 countersunk screw [3]). 7. Pull the new toothed belt onto the toothed-belt pulley [6]. 8. Assemble the drive unit motor [1] on the rocker [7] (4 machine screws [2]). 9. Assemble the entire drive unit in the running gear and test. See section 10.22 on page 250, work steps 16. to 33. Service Manual MARS 2 – 1 435 274 – 09/2013 253 Drive roller MARS 2.04/2.06/2.11 10.24 Drive roller MARS 2.04/2.06/2.11 1. Remove the entire drive unit from the running gear and store safely. See section 10.22 on page 250, work steps 1. to 15. 1 2 11 7 A 9 10 5 8 12 6 A 3 6 4 Figure 153 Drive roller MARS 2.04/2.06/2.11 1 Travelling drive motor 2 M5x10 machine screw 3 M4x10 countersunk screw 4 Disk main drive 5 Toothed belt 6 Toothed-belt pulley 7 8 9 10 11 12 Rocker Drive roller Drive shaft Sleeve Retaining ring 15x1 Fitting shim 2. Unscrew the travelling drive motor [1] (4 machine screws [2]). 3. Remove the countersunk screw [3] and the disk main drive [4] from the large toothedbelt pulley [6] and store safely. 4. Pull the toothed-belt pulley [6], and put it down in a safe place. 5. Remove and safely put down the toothed belt [5]. 6. Remove and safely put down the retaining ring [11]. 7. Make note of the installation position of the drive shaft and to the feather key! Push the drive shaft [9] through. 8. Remove the sleeve [10] and fitting shim [12] and store safely. 9. Remove defective drive roller [8]. 10. Insert new drive roller with fitting shim [12] and sleeve [10]. 11. Put the drive shaft back into its original position. Pay attention to the feather keys! Guide the drive shaft [9] into the rocker [7] and push through the new drive roller [8] with fitting shim [12] and sleeve [10]. 12. Assemble the retaining ring [11] on the drive shaft [9]. 13. Push the toothed-belt pulley [6] onto the drive shaft [9] and assemble (1 disk main drive [4] and 1 countersunk screw [3]). 14. Pull the toothed belt [5] onto the toothed-belt pulleys [6]. 254 Service Manual MARS 2 – 1 435 274 – 09/2013 Drive roller MARS 2.04/2.06/2.11 15. Assemble the drive unit motor [1] on the rocker [7] (4 machine screws [2]). 16. Assemble the entire drive unit in the running gear and test. See section 10.22 on page 250, work steps 16. to 33. Service Manual MARS 2 – 1 435 274 – 09/2013 255 Travelling drive motor MARS 2.04/2.06/2.11 10.25 Travelling drive motor MARS 2.04/2.06/2.11 1. Remove the entire drive unit from the running gear and store safely. See section 10.22 on page 250, work steps 1. to 15. 1 2 7 3 4 6 5 6 Figure 154 Travelling drive motor MARS 2.04/2.06/2.11 1 Travelling drive motor 2 M5x10 machine screw 3 M4x25 countersunk screw 4 Disk main drive 5 6 7 Toothed belt Toothed-belt pulley Rocker 2. Remove the countersunk screw [3] and the disk main drive [4] from the small toothedbelt pulley [6] and store safely. 3. Pull the toothed-belt pulley [6], and put it down in a safe place. 4. Remove and safely put down the toothed belt [5]. 5. Unscrew the defective drive unit motor [1] (4 machine screws [2]) and remove carefully. 6. Insert the new drive unit motor into the rocker [7]. 7. Push the toothed-belt pulley [6] onto the axle of the new drive unit motor [1] and assemble (1 disk main drive [4] and 1 countersunk screw [3]). 8. Pull the toothed belt [5] onto the toothed-belt pulleys [6]. 9. Assemble the new drive unit motor [1] on the rocker [7] (4 machine screws [2]). 10. Assemble the entire drive unit in the running gear and test. See section 10.22 on page 250, work steps 16. to 33. 256 Service Manual MARS 2 – 1 435 274 – 09/2013 Gas-filled spring device MARS 2.04/2.06/2.11 10.26 Gas-filled spring device MARS 2.04/2.06/2.11 1. Remove the entire drive unit from the running gear and store safely. See section 10.22 on page 250, work steps 1. to 15. 1 2 9 3 4 8 7 4 5 4 Figure 155 Gas-filled spring device MARS 2.04/2.06/2.11 1 Jacking shaft 2 Rocker 3 Tension spring 4 Locking ring 5 Bolt 6 6 7 8 9 Short spacer Long spacer Gas-filled spring device Hinge pin spring 2. Press together the defective gas-filled spring device [8] with a clamp. 3. Unhook the tension spring [3] and store safely. 4. Remove and safely put down the clamp. 5. Remove the lock washer [4] from the rocker [2]. 6. Make note of the installation position of the spacer (short [6] and long [7])! Pull out the pin [5] and safely store all parts. 7. Remove the lock washer [4] from the jacking shaft [1]. 8. Pull out the hinge pin spring [9] and put it down in a safe place. 9. Remove defective gas-filled spring device [8]. 10. Insert a new gas-filled spring device. 11. Guide the spring joint pin [9] into the holder for the gas-filled spring device on the jacking shaft [1], push through the new gas-filled spring device’s [8] receptacle and secure (1 lock washer [4]). 12. Put the spacers back into their original position! On the rocker [2], seen from the drive roller, guide the pin [5] into the holder for the gas-filled spring device; push through the short spacer [6], the gas-filled spring device receptacle [8], and the long spacer [7]. 13. Secure the pin [5] (1 lock washer [4]). 14. Press the pneumatic pressure spring [8] and the screw clamp together. Service Manual MARS 2 – 1 435 274 – 09/2013 257 Gas-filled spring device MARS 2.04/2.06/2.11 15. Hook tension spring [3] into place. 16. Remove and safely put down the screw clamp. 17. Assemble the entire drive unit in the running gear and test. See section 10.22 on page 250, work steps 16. to 33. 258 Service Manual MARS 2 – 1 435 274 – 09/2013 Cable Remote Control 11 Additional Components 11.1 Cable Remote Control NOTE The cable remote control is an exchangeable module. Therefore it is not possible to replace individual parts within the remote control. The complete cable remote control must always be replaced if there is a defect. Settings: 1. Open the cable remote control (5 M3 screws). 2. Carefully remove the rear part of the casing and lay it down. 3. The following settings are possible on the board: - the code is set with the rotary selection switch - the device is selected with the rotary selection switch - the transmit power is selected with the rotary selection switch - jumper settings 4. The code setting for the cable remote control is always 5 (S1). S2 and S3 are not used. 5. Please take the device selection (S4) from the following table. 6. The operating mode setting (S5) is to be set to 0 for cable remote control. 7. The jumper settings may only be changed by the customer service. 8. Do not damage the rubber seal! Close the remote. Service Manual MARS 2 – 1 435 274 – 09/2013 259 Cable Remote Control S4 Device EU: 0 JUPITER EU • any key switches on 1 JUPITER USA • after 2 seconds off 2 MARS Endourologie EU 3 MARS Endourologie USA USA: 4 MARS 2 EU 5 MARS 2 USA • only ON-key switches on 6 • after 25 seconds off 7 8 9 A B C D E F TEST Perform a functional test! 260 Service Manual MARS 2 – 1 435 274 – 09/2013 Infrared Remote Control 11.2 Infrared Remote Control NOTE The IR remote control is an exchangeable module. Therefore it is not possible to replace individual parts within the remote control (except for the batteries). The complete IR remote control must always be replaced if there is a defect. Settings: 1. Open the IR remote control (5 M3 screws). 2. Carefully remove the rear part of the casing and lay it down. 3. Fit a new battery when required: - pull connector off - remove the battery carefully from the holder 4. The following settings are possible on the board: - the code is set with the rotary selection switch - the device is selected with the rotary selection switch - the transmit power is selected with the rotary selection switch - jumper settings 5. The code setting for the IR remote control is always to be taken from the type plate of the relevant operating table (e.g. A01). Infrared code setting 6. A 0 1 S3 S2 S1 Please take the device setting (S4) and operating mode setting (S5) from the following table, the frequency and mark to space ratio (transmit power) may be changed. 8 (36 kHz T1/4) is used as the standard setting. Service Manual MARS 2 – 1 435 274 – 09/2013 261 Infrared Remote Control S4 Device S5 Operation mode 0 JUPITER EU 0 1 JUPITER USA 1 2 MARS Endourologie EU 2 3 MARS Endourologie USA 3 4 MARS 2 EU 4 5 MARS 2 USA 5 Cable remote control 6 6 7 7 8 8 36 kHz T1/4 9 9 36 kHz T1/10 A A 56 kHz T1/4 B B 56 kHz T1/10 C C D D E E F F EU: USA: • any key switches on • only ON-key switches on • after 2 seconds off • after 25 seconds off Test mode 7. The jumper settings may only be changed by the customer service. 8. Do not damage the rubber seal! Close the IR remote control. TEST Perform a functional test! 262 Service Manual MARS 2 – 1 435 274 – 09/2013 Charging Unit for IR Remote Control 11.3 Charging Unit for IR Remote Control NOTE Therefore it is not possible to replace individual parts within the charging unit (except for the fuse).The complete charging unit must always be replaced if there is a defect. Removing the fuse: 1. Separate the charging unit from the mains supply. 2. Open the charging unit (4 M3 screws). 3. While it is open, check the fuses and replace where necessary. Reassembly: In the reverse order. TEST Perform a functional test! Service Manual MARS 2 – 1 435 274 – 09/2013 263 Components with Serial Number 12 Components with Serial Number The following MARS 2 operating table components or assemblies can be clearly identified by their serial numbers: Pos. Material description Mat. no. Tabletop 1 Distribution board MARS 2.0X V2 1454312 2 Drive 1380648 3 Drive 1455285 Column 4 Electronic unit MARS 2.0X 1363367 5 Drive MARS II Tilt 1382042 6 Spindle 1385954 7 Drive 1484234 8 Lift drive (high variant) 1390048 Lift drive (low variant) 1380502 Pipe (high variant) 1381766 Pipe (low variant) 1382151 Drive 1381556 Column (high variant) 1373693 Column (low variant) 1373658 9 10 264 Service Manual MARS 2 – 1 435 274 – 09/2013 Components with Serial Number Pos. Material description Mat. no. Running gear 11 Drive MARS 1423931 On every part listed there is a rating plate containing the serial number. When replacing one of the parts listed here, the serial numbers of the removed and new parts must be reported to TRUMPF using the “Service Report” form. Fill out the “Service Report” form completely and send it to TRUMPF Technical Customer Service via fax 2) or e-mail 3)! TRUMPF requires this information to handle any future customer issues correctly. Caution, some assemblies contain multiple components with serial numbers. In this case, all corresponding serial numbers have to be entered in the “Service Report” form. For example, when replacing the Trendelenburg drive assembly, the serial number of the assembly, spindle, and the motor must be reported. The “Service Report” form can be downloaded from our Online Information System. The password for access to the Online Information System is available from the Service Centre. Upon completion of work, package the defective part securely and send it back to TRUMPF. 2) 3) Fax: +49 3671 586–41175 E-mail: Service.med@de.trumpf.com Service Manual MARS 2 – 1 435 274 – 09/2013 265 Maintenance and Repair 13 Maintenance and Repair The maintenance intervals for the operating table are as follows: - First maintenance in the 2nd year of service - Second maintenance in the 4th year of service - Annual maintenance from the 5th year of service onwards Please contact the Technical Customer Service at TRUMPF Medizin Systeme GmbH + Co. KG or an authorised service partner if you require service. All maintenance work is to be performed once a year using the maintenance log, taking the list of components subject to wear (see chapter 13.2 page 268) and the lubrication chart (see chapter 13.3 page 269) into account! The “maintenance log” can be downloaded from our online information system. For password access, please contact the TRUMPF Service Centre. After completing the maintenance work, fax (fax no. +49 3671 586–41175) or e-mail (Service.med@de.trumpf.com) a copy of the completed maintenance record to the Technical Customer Service department of TRUMPF Medizin Systeme GmbH + Co. KG. 13.1 Maintenance protocol contents This section will give you a brief overview of what is included in the maintenance that will performed by Technical Customer Service, depending on the device-specific checklists. Entire system using the service software 1. Read out systems data 2. Verification of all audible and visual signals 3. Verification of the remote control software and hardware Charger 1. Visual inspection of housing parts for any damage 2. Visual inspection of the pictograms for any damage and whether they are easy to read 3. Verification of charge management Remote control 266 1. Visual inspection of housing parts for any damage 2. Visual inspection of the pictograms for any damage and whether they are easy to read 3. Verification that all control elements are functioning 4. Visual inspection of remote control cable connection for any damage 5. Verification of the battery and the charge manager for the IR remote control Service Manual MARS 2 – 1 435 274 – 09/2013 Maintenance and Repair Electrical system 1. Verification that all output and operating elements are functioning 2. Verification of all sensors in the system 3. Visual inspection of the keys and displays for any damage 4. Verification that all control elements are functioning 5. Verification of the column batteries and the charge manager 6. Verification of all cables in the operating table for mechanical tensions and damages (shearing and crushing) 7. Verification of all conductive and zero-voltage parts of the operating table for electrical safety 8. Verification of the functionality and electrical safety of all electrical coupling elements Mechanical system 1. Visual inspection of all mechanical components of the operating table 2. Visual inspection of pictograms for any damage and whether they are easy to read 3. Verification of padding for damage and make sure they are seated firmly 4. Verification of column covers 5. Verification of bellows 6. Verification of all seals and drive belts in the operating table 7. Verification of all mechanical coupling elements 8. Verification that the longitudinal displacement is functioning 9. Verification that the pedal is functioning 10. Verification that the jacking system is functioning 11. Visual inspection of all Bowden cables for damage 12. Visual inspection of all wheels for damage and that the wheel arch is secure Service Manual MARS 2 – 1 435 274 – 09/2013 267 Maintenance and Repair 13.2 List of parts subject to wear CAUTION, pay close attention to assemblies requiring serial numbers, see chapter 12 page 264. All parts that are subject to wear must be checked as part of regular maintenance work and replaced when necessary. With proper use, care and maintenance of the MARS 2 operating table, the following parts are declared to be high-wear parts: High-wear part Replacement Due to defect Every 2 years Every 4 years Tabletop all Standard rails • all drive belts • all pads • all pad sections • Column Batteries • Bellows • Running gear 268 Jacking unit foot plate • Running gear caps • Fuses • Mains power cable • Gas pressure spring • Service Manual MARS 2 – 1 435 274 – 09/2013 Maintenance and Repair 13.3 Lubrication plan 13.3.1 Tabletop Pos. Lubrication point 1 *1 Locking device LD: bolt, bearing bush, axles, gear teeth *1 Lubricant/insertion PROFI TURBOGREASE (mat. no. 4150050) spray Interval additional lubrication 2 years does not apply to MARS 2.01 Pos. Lubrication point Lubricant/insertion Interval additional lubrication 2 2 2 *1 Linear guidance TURMOGREASE LC252 2 years longitudinal displacement (mat. no. 1355874) with grease gun (mat. no. 1259074 with pointed nozzle) approx. 3-4 strokes per lubricating nipple (4 pieces) until grease comes out from the guiding carriage; then run a longitudinal displacement. *1 does not apply to MARS 2.01 Service Manual MARS 2 – 1 435 274 – 09/2013 269 Maintenance and Repair 13.3.2 Pos. 3 Column Lubrication point Guide column Interval additional lubrication Lubricant/insertion ISOFLEX TOPAS NCA 5051 (mat. no. 4150051) 4 strokes per lubricating nipple with grease gun (mat. no. 1259074, with pointed nozzle) CAUTION: Do not lubricate in the lowermost stroke position! Raise the tabletop at least 10 cm! Perform the lubrication on all sides! 1 year 4 4 270 Push tube guide PROFI TURBOGREASE (mat. no. 4150050) spray 2 years Service Manual MARS 2 – 1 435 274 – 09/2013 Maintenance and Repair Pos. 5 Lubrication point Trendelenburg trapezoidal spindle Service Manual MARS 2 – 1 435 274 – 09/2013 Lubricant/insertion PROFI TURBOGREASE (mat. no. 4150050) spray Interval additional lubrication 2 years 271 Maintenance and Repair 13.3.3 Pos. Running gear Lubrication point Interval additional lubrication Lubricant/insertion MARS 2.03 / 2.04 / 2.05 / 2.06 / 2.07 / 2.08 / 2.11 6 6 Jacking drive torque rod TURMOPLEX L220 (mat. no. 4150047) apply with brush 2 years MARS 2.01 - 2.02 7 7 272 Rest cam TURMOPLEX L220 (mat. no. 4150047) apply with brush 2 years Service Manual MARS 2 – 1 435 274 – 09/2013 MARS 2 Operating Table 14 Service Manual MARS 2 – 1 435 274 – 09/2013 Circuit Diagram 273 MARS 2 Operating Table 274 Service Manual MARS 2 – 1 435 274 – 09/2013 Service Information 15 Service Information TRUMPF Medizin Systeme GmbH + Co. KG provides you with additional important and up-to-date information about our product range in electronic form on our online information system. Only personnel authorized by TRUMPF Medizin Systeme GmbH + Co. KG may receive electronic access to the online information system. This includes the Technical Customer Service department of TRUMPF Medizin Systeme GmbH + Co. KG and repair and maintenance personnel authorized, trained and certified by TRUMPF. For password access, please contact the TRUMPF Service Centre. Service Manual MARS 2 – 1 435 274 – 09/2013 275 Service Information 276 Service Manual MARS 2 – 1 435 274 – 09/2013 Service Manual MARS 2 – 1 435 274 – 09/2013 TRUMPF Medizin Systeme GmbH + Co. KG Carl–Zeiss–Straße 7–9 07318 Saalfeld, Germany Phone: +49 3671 586–0 E-mail: Service.med@de.trumpf.com Fax: +49 3671 586–41175 www.trumpf.com