Service Bulletin Index Bulletin No. Sup. Description Issue Date NYAB 0–0 GL No. 3 62 Sup. 1/Special Type “B” Brake Pipe Flow Indicator May 1968 1–1 26 Type Brake Equipments Rubber Repair Kits April 1959 1–2 Equipment Combinations of Locomotive Units In Multiple Unit Service May 1960 1–3 6-SL, 24–RL and 26–L Locomotive Brake Equipment Dynamic and Power Knockout August 1961 1–4 Service Safety Control Arrangements #6 Type Brake Equipment and #14–EL Type Brake Equipment October 1962 1–5 Choke Changes in 26 Type Brake Valves and P–2 Type Application Valves May 1969 1–6 26–L Brake Equipment: A–19 Flow Indicator and Adapter and A–1 Charging Cutoff Pilot Valve February 1972 13–2 1-1/4" Gripseal Angle Cock With Self–Locking Handle OBSOLETE 17–1 “N” Type Reducing Valve Exhaust Valve Seat January 1962 (SUP1) “N” Type Reducing Valve Exhaust Valve Seat March 1962 17–1 S.1 21–1 ECP Pressure Switch, PC. 576582 Test and Repair Procedures 22–1 Teflon Coated Rotary Valves–Cutout Cocks With Teflon Coated Keys November 1959 22–2 1-1/4" Sealed Key Angle Cocks October 1963 22–3 D–1 Trip Cock Rubber Sleeve Inspection 22–4 D&E Type Trip Cocks Piston and Ring Modification 22–5 D Type Trip Cocks On-Car Test Procedure 23–1 Dummy Couplings April 1958 (SUP 1) Dummy Couplings June 1959 23–1 June 2011 S.1 1 Service Bulletin Index Bulletin No. Sup. 23–1 Issue Date (SUP 2) Dummy Couplings May 1962 23–3 Reinforced Flange Fitting Ring Gaskets November 1961 23–5 Maintenance of Punch–Lok Hose Clamp Machine July 1964 23–6 Gripseal Fittings "Pipe Lok" Ring Feature November 1966 23–7 A–1–B Hose Coupling Tester–Latch Assembly Modification Pin & Lug Type Hose Couplings January 1967 24–1 "H" Type Safety June 1960 (SUP 1) "H" Type Safety Valves April 1961 25–1 Visual Pressure Indicator January 1959 25–2 Caboose Gage and Hose With Quick Connect Coupler With Check Valve May 1959 26–1 26 Type Brake Equipment for Locomotives, 26–C Brake Valve Cut–Off Valve December 1959 (SUP 1) 26 Type Brake Equipment for Locomotives, 26 Type Brake Valve Cut–Off Valve November 1960 26–2 PL Rotary Valves–Handling and Fitting January 1960 26–3 SA–6 and No. 14 Independent Brake Valves Addition of “O” Ring May 1960 26–5 26 Type Brake Equipment for Locomotives, 26 Type Automatic Brake Valve Cam Dog, Pc. No. 0562303 December 1960 26–6 SA–26 Independent Brake Valve–Exhaust Valve Seat September 1961 (SUP 1) SA–26 Independent Brake Valve–Exhaust Valve Seat December 1961 M–23 Brake Valve, ME–23 Brake Valve “O” Ring Seal SA–26 Independent Brake Valve Quick Release Exhaust Baffle Plate July 1962 March 1963 24–1 26–1 26–6 26–8 26–9 June 2011 S.2 Description S.1 S.1 S.1 2 Service Bulletin Index Bulletin No. Sup. Description Issue Date 26–10 26–B Type and 26–C Type Brake Valves Cams and Cam Rollers September 1963 26–11 26–B and 26–C Brake Valves–Body Modification May 1967 26–12 26 Type Brake Valves–Equalizing Reservoir Cut–Off Valve Seat, Pipe Bracket Gasket September 1967 26–13 SA–26 Independent Brake Valve–Holding Brake January 1968 26–14 SA–7 and SA–26 Independent Brake Valves Operating Handle 26–C Brake Valve–Equalizing Reservoir Cut–Off Valve and Associated Spring April 1969 26–15 26–16 August 1975 26–E Type Brake Valve–Assembly of Cam Housing to Valve Body OBSOLETE (SUP 1) 26–E Type Brake Valve Assembly of Cam Housing to Valve Body March 1980 26–17 30 Type CDW Brake Valves–Revised Lubrication and Assembly Requirements April 1995 26–18 SA–26 Independent Brake Valve–Revised Lubrication Requirements October 1996 26-19 30 Type CDW Brake Valves Upgrade and Replacement Procedure for the Quadrant Latch Assembly OBSOLETE 30 Type CDW Brake Valves Upgrade and Replacement Procedure for the Quadrant Latch Assembly August 1998 26–20 SA–26 Independent Brake Valve Tamper–Resistant Screw Modification February 1998 26-21 26–B–1 Brake Valves Upgrade and Replacement Procedure for the Quadrant Latch Assembly OBSOLETE 26–16 26–19 June 2011 S.1 A 3 Service Bulletin Index Bulletin No. Sup. 26–21 A Description Issue Date 26–B–1 Brake Valves Upgrade and Replacement Procedure for the Quadrant Latch Assembly *Replaces Service Bulletin 26–21 PTD–Not in master file August 1998 26–22 Exhaust Valve Housing Assembly Supply Valve Housing Assembly Torque Specifications February 1998 26–23 New Lubrication Requirements September 1999 26-24 Inspection of 30-CW Module Portion Part No. 0583679 July 2003 26 Type & 30 Type Brake Valves 27–1 3CD Type Compressors – Fastener Change OBSOLETE 27–2 2CD Type Compressors – Fastener Change OBSOLETE 27–3 6CD Type Compressors – Fastener Change OBSOLETE 27–7 3CD Type Compressor – Simplified Fan Guard OBSOLETE 27–15 “CD” and “Z” Type Compressors and Exhauster Combinations–Inlet Valve Unloader Repair Kit OBSOLETE 27–17 3 CMDB –224 Compressor Unit–Improved Fan Guard OBSOLETE 27–18 3–CWDL Air Compressors OBSOLETE 27–19 “CD” Type Compressors and Exhausters–New Oil Level Gage OBSOLETE 27–21 3–CD Type Air Compressors–Crankshaft Oil Seals OBSOLETE 27–24 Modifications to Crankshaft Evacuation Scheme On 6–CD Compressor–Exhausters OBSOLETE 27–27 Color Coding “CD” Type Compressor Piston Rings OBSOLETE 27–29 “CD” Type Compressors Float Type Oil Gages OBSOLETE June 2011 4 Service Bulletin Index Bulletin No. Sup. Description Issue Date 28–1 “Y” and “Z” Type Compressors–Wrist Pin Retainer Details OBSOLETE 28–3 Inlet Valve Unloader Repair Kit–“Z” Type Air Compressors OBSOLETE 29–1 LB–8 Magnet Valve Portions–Transient Voltage Suppressor Upgrade November 1997 30–1 Mechanical Manometer for “AB” Test Rack (Note: Additional information found in Spec 2345 Instructions for Modifying "AB" Test Rack to Use Flowrator Meter for Ring Leakage Test May 1960 30–2 January 1962 Mechanical Manometer for “AB” Test Racks June 1960 (SUP 1) “AB” Test Rack Mechanical Manometer–Pointer Rotation March 1965 30–3 The “AB” Test Rack Spool Type Valve “B” Pc. No. 0562890 June 1963 30–5 Ring Leakage Flowrator Meter Scale April 1965 30–6 “AB” Test Rack – Leakage Indicator Hand Grip July 1965 30–7 4–C Test Rack 90 Cu In. Leakage Reservoir December 1982 30–2 S.1 30–8 A “AB” Test Rack–Modifications for Testing Stabilized Emergency Portions October 1994 30-8 B AB Test Rack Component Upgrade January 2003 30-9A AB Test Rack Digital Pressure Switch Alternate Source June 2007 33–1 “S” Type Compressor Governors Valve & Valve Seat Combination OBSOLETE 33–2 “S” Type Compressor Governors Valve & Valve Seat Combination OBSOLETE 33–3 S–20–A Compressor Governor Torque Limits for Rocker Hex Nut September 1967 June 2011 5 Service Bulletin Index Bulletin No. Sup. Description Issue Date 33–4 “S” Type Compressor Governors Valve and Valve Seat Combinations June 1970 33–5 S–20 and S–20–A Governor Shunts Modifications to Improve Service Life September 1974 36–1 “DH” Type Motor Driven Compressors OBSOLETE 36–2 D–3 and D–4 Air Compressors By–Pass Valve Seal Retaining Screw/Change to Self–Locking Screw to Improve Reliability September 1974 36–3 D–3 and D–4 Air Compressor Units Piston Ring Identification and Installation Procedures March 1986 36–4 D–4 Air Compressor D–4–A Drain Valve Unknown 46–1 C–1 Strainer and Check Valve Check Valve Modification May 1958 46–2 “D” Type Motor Driven Compressors Oil Bath Intake Filters OBSOLETE 46–3 H” & “J” Type Line Filters Disposable Paper Filter Inserts December 1958 46–4 3/8" No. 24–A Double Check Valve March 1959 46–5 “H” & "J” Type Disposable Paper Filter Inserts January 1962 46–6 3/8" No. 265–A Double Check Valve June 1962 46–7 Vapolex Filter Design Improvements OBSOLETE (SUP 1) A–1 Vapolex Filter Design Improvements NOTE: 46–7S1 Superseded by 46–8 OBSOLETE A–1 Vapolex Filter, Discharge Filter Gasket April 1969 (SUP 1) A–1 Vapolex Filter Design Improvement June 1970 46–9 1/4 inch Strainer Cartridge May 1969 CW–46–101 Inlet Manifold for D–2–B Air Dryer June 1983 CW–46–102 Timer for D–2–B Air Dryer June 1983 46–7 S.1 46–8 46–8 June 2011 S.1 6 Service Bulletin Index Bulletin No. Sup. Description Issue Date CW–46–103 Humidity Indicator Plug for D–2–B Dryer September 1983 CW–46–104 Additional Thermostat for the D–2–B Air Dryer August 1984 CW–46–105 Addition of Strainer to D–2–B Air Dryer June 1986 48–1 “AB” Brake Cylinders Hollow Rod Packing Seal July 1960 48–2 10" Type “AB” Brake Cylinders Non Pressure Head Spring Guide July 1960 48–3 Modifications to Pistons of the “AB” and “U” Type Brake Cylinders March 1963 48–4 Non–pressure Head Strainer for “AB”, “U” and Wabcopac Type February 1970 48–5 Brake Cylinder Lubrication January 1990 50–1 Brake Cylinder 7–5/8 x 12 x 9" Type “UC” Piston Tube February 1966 55–1 D–24 Control Valve Independent Application and Release Valve Portion Diaphragm May 1958 55–2 Condemning Gages for D–24 Control Valve November 1959 55–3 26–C Car Equipment/26–C Control Valve Emergency Portion/High Pressure Valve Check Valve Guide November 1960 55–4 26 Type Brake Equipment/26–D, 26–C & 26–F Control Valves /Charging Valve March 1961 55–5 D–24 Control Valve/Controller Emergency By–Pass Portion/24–RL vs. 26–L Brake Equipment/ Emergency Brake Application September 1961 (SUP 1) D–24 Control Valve/Controlled Emergency By–Pass Portion/24–RL vs. 26–L Brake Equipment/ Emergency Brake Application March 1962 26 Type Control Valve Service Portion Large Diaphragm September 1961 55–5 55–6 June 2011 S.1 7 Service Bulletin Index Bulletin No. Sup. Description Issue Date 55–8 26–C and 26–F Control Valves/Selector Volume Over–Charge Check Valve, 26–F Control Valve Control/Reservoir Pressure Retaining Check Valve April 1963 55–9 26–F Control Valve Service Portion/26–C Control Valves, Service and Emergency Portions/Breather and Exhaust Port Protection/Service Portion–26–(and 26–F) Control Valves September 1963 (SUP 1) 26–C and 26–F Control Valve/Service Valve Diaphragm Cover October 1968 55–10 26–C and 26–F Control Valves Selector Valve Diaphragm September 1963 55–11 26–C Control Valve Emergency Portion Change October 1964 55–12 26–C and 26–F Type Control Valves/Service Portion Top Cover Modification November 1966 55–13 26–C Control Valves/Emergency Valve Portion Pilot Valve Pc. No. 0570199 March 1967 55–14 D–22AR and D–22BR Control Valve/Supply Reservoir Charging Check Valve June 1967 55–15 Condemning Gages for “ABD” Control Valve January 1970 55–16 26–C Control Valve Emergency Portion/Pilot Valve Assembly May 1981 55–17 26–C Control Valve Service Portion, Pc. Nos. 0567143, 0567496, 0586930, 0592167/Emergency Limiting Valve – Spring, Wasp Excluder and Cap Nut Replacement OBSOLETE 55–9 55–17 S.1 A 55–18 55–18 57–1 June 2011 A 26–C Control Valve Service Portion Pc. Nos. 0567143, January 1997 0567496, 0586930, 0592167/Emergency Limiting Valve–Spring, Wasp Excluder and Cap Nut Replacement 26 Type Control Valves/Modification of Service Valve Piston Pc. No. 0559727 OBSOLETE Replace 55–18–26 Type Control Valves/Modification of Service Valve Piston, Pc. No. 0559727 July 1997 Air Communicating Signal System/K–4 Rotair Valve June 1960 8 Service Bulletin Index Bulletin No. Sup. Description Issue Date 64–1 FL Electric Portion, 30 and 60 AMP Contact Housing May 1977 64-2 “N” Type Automatic Car Couplers Unlatching Piston Details Precautions During Assembly September 1977 64–3 “N” Type Automatic Car Coupler Unlatching Piston Modification September 1977 64-4 “N” Type Coupler Unlatching Assembly August 1980 66–1 H–Type Relayair Valve/Diaphragm Follower Modification November 1996 66–2 H–7 Relayair Valves Product Upgrade October 1997 66–3 H–Type Relayair Valves Exhaust Valve Modification April 1998 67–1 “QRR” Type Brake Cylinder Release Valve December 1959 67–2 “QRR” Brake Cylinder Release Valve August 1961 67–3 “QRB” Brake Cylinder Release Valve December 1962 68–1 ABD Control Valve/Service Portion Modification July 1965 68–2 ABD Freight Brake Equipment/ABD Control Valve/ Emergency Portion Piston Modification January 1969 68–3 Rubber Repair Kits for “AB,” “ABD” and “AB C–1” Control Valves OBSOLETE Rubber Repair Kits for “AB,” “ABD” and “ABC–1” Control Valves “Supersedes 68–3” June 1970 ABD Service Portion Release Valve Mounting Stud Arrangement Kit, Pc. No. 0578468 December 1972 ABD Service Portion Release Valve Mounting Stud Arrangement Kit, Pc. No. 0578468 April 1973 ABD Control Valve Service Portion Back–Flow Check Valve Seat Drilling of the By–Pass Port October 1977 68–3 A 68–4 68–4 68–5 June 2011 A 9 Service Bulletin Index Bulletin No. Sup. 68–6 Description Issue Date ABD & ABDW Service Portions Elimination of Return Flow Check Valve OBSOLETE ABD & ABDW Service Portions Elimination of Return Flow Check Valve “Supersedes 68–6” January 1980 68–7 COT Repair of ABDW Emergency Portions, New Accelerated Application Valve Spring, Pc. No. 0584197 February 1980 68–8 COT Repair of Type ABD & ABDW Control Valves – Installation of Service & Emergency Portion Strainers October 1982 68–9 Usage of Loctite Adhesive/Sealants December 1982 68–10 Single Car Test Procedure with ABDX/ABDX-L OBSOLETE Single Car Test Procedure with ABDX/ABDX–L Control Valves “Supersedes 68–10” January 1990 Single Car Test Procedure with ABDX/ABDX–L Control Valves January 1990 AB Rack Tests for Stabilroad/ABD and ABDW Emergency Portions in Air Brake Repair Shops June 1991 Elimination of the Spill–over Check Valve in ABD and ABDW Emergency Portions OBSOLETE Elimination of the Spill–over Check Valve in ABD and ABDW Emergency Portions “Supersedes 68–13” July 1991 68–14 Remanufactured ABDX Emergency Portions Corrective Action August 1993 68–15 Emergency Accelerated Release Check Valve Filter Pc. No. 0588105 June 1994 68–16 ABDS Stabilizing Volume Conversion Kit, Pc. No. 0660584 November 1994 68–17 Wear Protection of Freight Control Valves OBSOLETE 68–6 68–10 A A 68–11 68–12 A 68–13 68–13 June 2011 A 10 Service Bulletin Index Bulletin No. Sup. 68–17 Issue Date Freight Control Valves–Installation Procedure for Wear Protection *Replaces 68-17 April 1997 68–18 Replacement of ABDX Service Portions April 1996 68–19 Freight Control Valves–New Quick Service Limiting Valve Detail April 1997 68–20 ABD Service Portion Slide Valves Proper Identification During COT Repair March 1998 68-21 Safety Alert March 1999 68-22 Freight Control Valves, New Emergency Accelerated Release “E.A.R.” Filter Details May 1999 68-23 ABD & ABDX Service Portions – Inspection Procedures for Service Accelerated Release Valve Plunger Pin Inspection Procedures for Service Accelerated Release Valve Plunger Pin OBSOLETE 68-23A ABD and ABDX Service Portions – Inspection Procedures for Service Accelerated Release Valve Plunger Pin February 2003 68-24 AB Type Service Portions, New Service Accelerated Release Filling Piece Gasket September 2000 68-25 ABDX Type Service Portions AB Manual Test Rack – Quick Service Limiting Valve August 2002 68-26 Lubrication of AB Type Service & Emergency Portions June 2011 68-27 Paragraph Revision to 2391 Instruction Leaflets January 2003 68-28 Freight Control Valves – New Vent Protector for ABDX Emergency Portion May 2004 68-29 ABD Service Piston Replacement Parts December 2004 68-30 AB Test Rack Testing of ABDX Type Emergency Portions with Internal Vent Protectors March 2006 June 2011 A Description 11 Service Bulletin Index Bulletin No. Sup. 68-31 Description Issue Date Vibration Protection Upgrades for Wabtec Control Valve Portions, Rev. B March 2007 69–1 “J” Type Release Valves OBSOLETE 69–2 “J” Type Release Valves OBSOLETE 69–3 “J” Type Relay Valves “Supersedes 69–1 & 69–2” July 1960 69–3 S.1 (SUP 1) “J” Type Relay Valve Stenciling Information December 1960 69–3 S.2 (SUP 2) “J” Type Relay Valve Check Valve and Carrier Assembly June 1961 69-4 “J” Type Relay Valve, Stenciling Information (Note: Was Service Bulletin 108-10) OBSOLETE 69–6 K–1 Relay Valve OBSOLETE 70–1 “D” Type Compressor Unit Unloader Valve March 1967 70–2 D–3 Compressor Unit May 1968 71–1 “Y” and “Z” Type Compressors Wrist Pin Retainer Details March 1969 73–1 P–2 Type Brake Application Valves/Choke in Port No. 3 of Pipe Bracket May 1972 73–2 P–2 Type Brake Application Valves Piston Assembly November 1972 75–1 D–1 Foot Valve February 1959 75–2 D–2, D–3 and D–4 Foot Valves January 1962 78–1 WABCOSEAL Fittings OBSOLETE 79–1 “D” Type Automatic Slack Adjuster Mounting Arrangement April 1958 79–2 “D” Type Automatic Slack Adjuster 12–1/2" Take–Up January 1960 80–1 Cineston Controller, ME Brake Valve, 21-1 Check Valve May 1986 81–1 COT Repair of B–1 Quick Service Valves–Diaphragm November 1982 June 2011 12 Service Bulletin Index Bulletin No. Sup. Description Issue Date Pc. No. 0587739 84–1 No. 8 Vent Valve Vent Protector – Design Change July 1965 PTD–84–1 PASSENGER TRANSIT NO. 29 – #8 Vent Valve Piston Stem Pc. No. 0567969 Stability Choke May 1991 84–2 8" Vent Valve Piston Modification March 1990 84–3 No. 8 Vent Valve May 1991 84–4 No. 8 Vent Valve Exhaust Valve Assembly Repair November 1993 84–5 8" Vent Valve Revised Lubrication Requirements September 1996 85–1 1–1/4" Emergency Brake Valve November 1958 Modifications to “6CD” Type Air Compressors and “6CD” and “4CD” Type Compressor–Exhausters November 1971 86–1 6CD Type Compressor and Compressor Exhauster OBSOLETE 86–2 6CD Type Compressor and Compressor Exhauster New Standard Oil Pump OBSOLETE 86–3 6CD Type Compressor and Compressor Exhauster Oil Pump Drive Chain Maintenance OBSOLETE 86–4 3CD Type Compressor Complete Set of Piston Rings September 1959 (SUP 1) Piston Ring Kits/ “CD” Type Compressors and Exhausters July 1960 86–5 6CD Type Compressors and Compressor Exhausters Crankshaft Oil Seals OBSOLETE 86–6 Oil Pressure Indicator 3CD Type Compressors and Exhausters May 1960 86– 86–4 A S.1 86–6 S.1 (SUP 1) Oil Pressure Indicator 2CD & 6CD Type Compressors and Exhauster Combinations June 1961 86–6 S.2 (SUP 2) Change in “O” Ring for Oil Pressure Indicators March 1963 June 2011 13 Service Bulletin Index Bulletin No. Sup. Description Issue Date on “CD” Type Compressors 86–8 “Y” Type Air Compressors and Exhausters Aluminum Pistons with Fitted Wrist Pins February 1961 86–10 Conversion of 3CD Type Air Compressor to Water Cooling July 1961 Water–cooled Air Compressors Design Changes September 1962 86–12 3–CD Type Air Compressors Crankshaft Oil Seals OBSOLETE 86–13 Modifications to “CD" and “Z” Type Compressors March 1963 “CD” Type Compressors Valve Cage Torque August 1968 86–14 Oil Seal Lubrication OBSOLETE 86–16 Crankcase Vacuum Maintaining Valve October 1963 86–17 “CD” Type Connecting Rod Shims November 1963 86–18 “CD” Type Compressors, Float Type Oil Gages OBSOLETE 86–10 86–13 S.1 S.1 86–18 A “CD” Type Compressor Side Cover with Oil Level Float Gage and Oil Fill Elbow “Supersedes 6-18” January 1967 86–18 A S.1 (SUP 1) “CD” Type Compressor Side Cover with Oil Level Float Gage and Oil Fill Elbow Conversion Kits March 1967 86–19 “CD” Type Compressors Obsolescence of Undersize Oil Seals OBSOLETE 86–20 “CD” Type Compressors and 2–CD and 3–CD Compressor– Exhausters Crankshaft Oil Seals May 1964 86–21 Standardization of Connecting Rods in “CD” Type Compressors and Compressor Exhausters March 1965 86–22 “CD” and “Y” Type Compressor and Exhauster Combinations Inlet Valve Unloaders–Modification and Conversion March 1966 86–23 “2CY” Type Compressors and "3YV" Vacuum Exhauster OBSOLETE June 2011 14 Service Bulletin Index Bulletin No. Sup. Description Issue Date 86–23 A “2CY”, “D11” and “2CY” Type Compressors and Vacuum Exhausters Inlet and Discharge Valves and Unloaders OBSOLETE 86–23 B “2CY”, “DH” and “3YV” Type Compressors and Vacuum Exhausters Inlet and Discharge Valves and Unloaders May 1968 “CD” Type Air Compressors, Performance Specification for Inlet Air Filters OBSOLETE “CD” Type Air Compressors Performance Specification for Inlet Air Filter “Supersedes 86.24” August 1967 3–CD Type Air Compressors Use of Aluminum Low Pressure Pistons June 1967 83–24 86–24 A 86–25 86–25 S.1 (SUP 1) 3–CD Type Compressors and Compressor – Exhausters use of Aluminum Low Pressure Pistons December 1967 86–25 S.2 (SUP 2) 3–CD and 3–CDC Type Air compressors Use of Aluminum Low Pressure Pistons June 1970 86–26 “CD” Type Air Compressor Fittings for Connecting Oil Pressure Indicator Tube to Oil Pump Delivery Port July 1967 86–27 “CD” Type Air Compressors Crankcase Breather August 1968 86–28 3CWD Type Water Cooled Air Compressors Intercooler Modification, Fool Proofing of Baffle Plates June 1978 86–29 3CD and 6CD3UC Type Air Compressor (Exhauster) Light Pressure Piston Pin Retaining Ring, Pc. No. 0583133 July 1979 86–30 “CD” Type Compressor–Exhausters and Exhausters Vacuum Cylinder Piston February 1990 (SUP 1) “CD” Type Compressor–Exhausters and Exhausters Vacuum Cylinder Piston February 1990 86–31 3 CDCL Type Air, Compressor Connecting Rod Modification Low Speed January 1992 86–32 Compressor Crankcase Breather/Assembly Instructions for Breather Valve, Pc. Nos. 0575306 & 0650954 April 1997 86–30 June 2011 S.1 15 Service Bulletin Index Bulletin No. Sup. Description Issue Date 86–33 J–2 Safety Valve - NEVER RELEASED OBSOLETE 86–34 3–CD Type Air Compressor October 1997 88–1 P–3 Decelostat Controller Grease Protection Arrangement June 1960 88–2 B–3–C and C–3 Decelostat Valves Product Improvement November 1982 94–1 E–1 Automatic Drain Valve for Compressor Discharge Line September 1958 94–2 D–1 Automatic Drain Valve July 1959 94–2 S.1 D–1 Automatic Drain Valve Mounting Flanges September 1959 94–2 S.2 D– I Automatic Drain Valve Torque and Service Specifications July 1964 94–2 S.3 Modification to D– 1 Automatic Drain Valve May 1965 98–1 Universal Slack Adjusters – Model 5, 50, and C-1000 Trigger Pin/Locking Bolt February 1998 98-2 SAC–1, Spherical Articulated Coupling, Ball Inspection July 1998 99–1 D– 1 Actuators Lubricated Diaphragm December 1974 100–1 “G” Type Tread Brake Units/Slack Adjuster and Cylinder Lever Pin Modification December 1965 100–2 “G” Type Tread Brake Unit/Hanger Bolt & Brake Head/ Bolt Assembly October 1976 103–1 G–3 Operating Unit 27–A Control Valve Filling Piece, Pc. No. 0576010 July 1973 103–2 Operating Units Emergency Valve Portion February 1986 106–1 Condemning Gages for D–24 Control Valve November 1959 111–1 Single Car Test Devices/Rotary Valve Key/Addition of “O” Ring April 1961 111–2 Changes in Freight and Passenger Single Car Testing Devices June 1961 June 2011 16 Service Bulletin Index Bulletin No. Sup. Description Issue Date 111–3 Single Car Testing Device/Flowrator Metering Tube/Installation October 1964 111-4 Brake Shoe Force Indicator Test Device OBSOLETE Brake Shoe Force Indicator Test Device “Supersedes 111–4” *Note: Replaces 111-4 March 1971 111–4 A 111–5 Single Car Test Device for Freight Cars/Flowrator Modification July 1979 114–1 C–K Leveling Valve Service Life Improvement OBSOLETE (Supersedes 114–1) C–1 Leveling Valve Service Life Improvements May 1974 116–1 MU–2A Valve May 1966 116–2 MU–2A Valve November 1982 119–1 26–L Brake Equipment/A–2 Reduction Selector Valve October 1965 (SUP 1) 26–L Brake Equipment/A–2 Reduction Selector Valve November 1965 123–1 26–L Brake Equipment/A– 19 Flow Indicator Adapter January 1962 124–1 A–1 Charging Cut–Off Pilot Valve Cut–Off Piston October 1961 114–1 119–1 A S.1 124–1 S.1 (SUP 1) A–1 Charging Cut–Off Pilot Valve June 1962 124–1 S.2 (SUP 2) A–1 Charging Cut–Off Valve June 1962 124–2 DO NOT ISSUE SERVICE BULLETIN WITH THIS NUMBER 126–1 Wabcopac Brake Assembly/Modernization & Repair Parts November 1966 (SUP 1) Wabcopac Brake Assembly Repair Parts, Six– Bolt Design December 1967 126–2 Wabcopac Piston Travel Adjustment April 1968 126–3 Weld Repair of Wabcopac Brake Assembly March 1969 126–1 June 2011 S.1 17 Service Bulletin Index Bulletin No. Sup. 126–4 Description Issue Date Wabcopac Brake Assembly/Installation of Spring Seat/ Stop Mechanism September 1969 Wabcopac Brake Assemblies/Double “O” Ring and Hollow Rod Packing Seal March 1971 126–5 Wabcopac Brake Assembly/B–3 vs. B–3–A Unit Bodies/ Application of Brake Cylinder February 1970 126–6 Wabcopac Brake Assemblies–New–Installation Procedures for Safety Strap Support Cap Screws July 1978 127–1 A–1 Intercooler Relief Valve 128–1 Service and Emergency Safety/Control Arrangements, No. 6 Type, Nos. 14–EL, 24–RL and 26–L Brake Equipments, Safety Control Insuring Equipment A–1 Cycling Valve September 1963 128–2 A–1 Cycling Valve Relocation of Delay Choke November 1964 129–1 Brake Head Positioner OBSOLETE Brake Head Positioner “Supersedes 129–1” September 1969 129–2 A–1 Cycling Valve November 1964 130–1 A–1 Reduction Relay Valve/B–1 Quick Service Valve Portion/Choke Changes October 1973 132–1 21" (Pc. 86–12281), 24" (Pc. 86–09832), 26" (Pc. 86–00183) and 28" (Pc. 86–05137) Disc Brake Lining Assemblies July 1976 133–1 SC–1 Type Empty–Load Equipment, P–1I Load Proportional Valve Proper Installation Procedure for new Check Valve April 1979 133–2 COT of ELX–S Empty Load Valve Portions February 1996 133–3 ELX/ELX–S Valves Check Valve Assembly Modification June 1998 133–4 SC–1/ELX Empty/Load Equipment Testing February 2001 133–5 ELX/ELX-S Empty/Load Valves – “SAFETY ALERT” August 2001 126–4 129–1 June 2011 S.1 A 18 Service Bulletin Index Bulletin No. Sup. Description Issue Date 133-6 ELX-B and ELX-U Type Empty/Load Valve Adjusting Screw Clearance September 2004 134–1 HPT Actuator, Pc. Nos. 0581518, 0582004 HPT Thread Brake Units, Pc. Nos. 0581393, 0581394 A–1 Parking Brake Control Unit, Pc. No. 0581499 A–1 Parking Brake Lock Portion, Pc. No. 0581421 Fluid, Comm. No. 18902 June 1980 134–2 Tread Brake Unit/Brake Shoe Key April 1981 135–1 Amfleet WA–27 Disc Brake Bolt Check March 1981 136–1 Liquid Dielectric Capacitors Marcy 1981 140–1 Automated Single Car Test Device Service Bulletin Battery Maintenance August 2000 140–2 Automated Single Car Test Device Service Bulletin Elimination of Repair Track Test from ASCTD Software December 2000 501–1 “O” Ring Lubricant OBSOLETE 501–2 Air Compressor and Vacuum Exhauster, Lubricating Oil Drain Limits April 1961 501–3 "O" Ring Lubrication and Assembly *Replaces 501-1 December 1965 2000–1 Models 5, 5D, C–1000, C–1012, and C–1100 Locking Bolt April 2000 2000–2 Rack Extension Settings New Car Condition May 2000 2002-01 S.A.C.-1 Articulated Connector, Male Casting Crack Repair For Maximum Crack Depth of 0.25 inch January 2002 2003-9 SAC-1 Articulated Connector Crack Repair Procedure September 2003 CW 2001–01 Universal Tension & Compression slack Adjusters Effects of Fully Extending or Shortening the Slack Adjuster Rod Extension June 21, 2001 CW 2001-02 Welding Instruction for SAC-1 Race Liners September 2001 June 2011 19