GEK 97310
VOLUME II
WP 501 00
WORK PACKAGE
TECHNICAL PROCEDURES
GAS GENERATORS/GAS TURBINE PRESERVATION,
DEPRESERVATION, AND STORAGE MAINTENANCE
IN NON-PRESSURIZED CONTAINER ONLY
(LEVEL 1 MAINTENANCE)
EFFECTIVITY: LM2500 MODELS GB, GD, GE, PC, PD, PE, PH, AND PL STORED
IN UNIVERSAL CONTAINER
LIST OF EFFECTIVE WP PAGES
Total Number of Pages in this WP is 16
Page
No.
Change
No.
1............
2-3 .........
2
0
Page
No.
4 - 5. . . . . . . . . .
6 - 16. . . . . . . . .
Change
No.
Page
No.
Change
No.
2
0
Alphabetical Index
Subject
Page
Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Depreservation of Engine.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installed Engine Preservation For Indefinite Period. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installed Engine Preservation For 30 Days Or Less.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installed Engine Preservation For Over 30 Days. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Noninstalled Engine Preservation For Indefinite Period. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Noninstalled Engine Preservation For 30 Days or Less.. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Wetting of Engine Bearings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
15
5
4
4
6
6
8
Change 2
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
1
GEK 97310
VOLUME II
WP 501 00
1. INTRODUCTION. This work package provides instructions for preserving and readying
LM2500 Models GB, GD, and GE gas generators and Model PC, PD, PE, PH, and PL gas
turbines.
2. REFERENCE MATERIAL.
Title
Number
For LM2500 Models GB, GD and GE gas generators, Model PC, PD, PE, PH and PL gas
turbines:
Operation and Maintenance Manual, Volume II
Gas Turbine Assembly Replacement
Gas Generator Assembly Replacement
Gas Generator/Gas Turbine Shipping
Shipping Container Inspection and Reconditioning
Illustrated Parts Breakdown
GEK 97310
WP 300 00
WP 301 00
WP 502 00
WP 504 00
GEK 50336
3. SUPPORT EQUIPMENT.
Part No.
Description
1C8208G02
2C14764G01
Spline, Adapter, Manual or Aft Drive Pad
Drive Motor, Electric (115 Vac)
2C14764G02
2C14764G05
Local Purchase
Drive Motor, Electric (220 Vac)
Drive Motor, Electric (115 Vac/220 Vac)
Stand, Portable Lubricating
2
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
4. CONSUMABLE MATERIAL.
Part No./Specification
Description
MIL-B-121
Barrier Paper
MIL-D-3464
MIL-L-23699 or
MIL-L-7808
Desiccant
Lubricating Oil
GE Spec D50TF6 or
Brayco 599
736L680G01
R297P04 (Alt)
Rust Preventative Concentrate
Safety Cable
Safety Wire
5. EXPENDABLE MATERIAL. Reference GEK 50336, Illustrated Parts Breakdown (IPB).
Nomenclature
TBD
IPB Figure No./Item
Preformed Packing
Preformed Packing
TBD
Preformed Packing
TBD
3
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
6. DEFINITIONS.
CAUTION
ENGINE SHALL NOT BE STORED IN ANY MANNER THAT
ALLOWS ROUTINE EXPOSURE TO OUTSIDE ELEMENTS.
a. Installed engine: An engine installed in the enclosure/package, with all service connections in place, capable of being started and run to idle level with no further connections required.
The attached power turbine and/or accessories shall be capable of being rotated. The enclosure/
package shall be weather-tight.
b. Noninstalled engine: An engine installed in the enclosure/package, with partial or no service connections in place, incapable of being started without further maintenance. An engine
installed in a maintenance dolly, or an engine installed in the shipping container, or any other condition not addressed by step a.
c. Normal environment: Temperature 25 to 85!F (-4 to 29!C), relative humidity
25-65 percent.
7. INSTALLED ENGINE PRESERVATION FOR 30 DAYS OR LESS.
CAUTION
ENSURE ATTACHED POWER TURBINE AND/OR ACCESSORIES ARE PRELUBRICATED OR DRIVE SHAFT IS DISCONNECTED PRIOR TO MOTORING ENGINE. FAILURE TO
COMPLY MAY RESULT IN DAMAGE TO POWER TURBINE
AND/OR ACCESSORIES.
a. Using moisture barrier paper, cover inlet and exhaust openings. Cover or plug all engine
openings and unattached fittings.
8. INSTALLED ENGINE PRESERVATION FOR OVER 30 DAYS.
(Repeat Every 60 Days or Less).
NOTE
For preservation periods that are 60 days or more, use of rust preventative concentrate is mandatory.
a. Using moisture barrier paper, cover inlet and exhaust openings. Cover or plug all engine
openings and unattached fittings.
4
Change 2
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
b. Oil wet bearings per paragraph 12.
c. At 30 day intervals:
(1) Remove moisture barrier paper, covers, and plugs installed on engine.
CAUTION
ENSURE ATTACHED POWER TURBINE AND/OR
ACCESSORIES ARE PRELUBRICATED. FAILURE TO
COMPLY MAY RESULT IN DAMAGE TO POWER TURBINE AND/OR ACCESSORIES.
! DO NOT EXCEED STARTER DUTY CYCLE WHEN
MOTORING.
! HYDRAULIC STARTER HAS NO DUTY CYCLE LIMITATIONS, HOWEVER, OIL TEMPERATURE SHALL BE
MAINTAINED BELOW 140°F (60°C).
! PNEUMATIC STARTER DUTY CYCLE IS AS FOLLOWS:
5 MINUTES ON, 2 MINUTES OFF, 5 MINUTES ON,
18 MINUTES OFF OR 10 MINUTES ON, 20 MINUTES OFF.
!
(2) Using moisture barrier paper, cover inlet and exhaust openings. Cover or plug all
engine openings and unattached fittings.
9. INSTALLED ENGINE PRESERVATION FOR INDEFINITE PERIOD.
CAUTION
FOR PRESERVATION PERIODS THAT EXTEND PAST
60 DAYS, USE OF RUST PREVENTATIVE CONCENTRATE IS
MANDATORY.
a. Add 5 percent (by volume) of rust preventative concentrate to lubricating oil tank, if not
previously added, per packager’s manual.
b. Perform paragraph 8, steps a. through d.
Change 2
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
5
GEK 97310
VOLUME II
WP 501 00
10. NONINSTALLED ENGINE PRESERVATION FOR 30 DAYS OR LESS.
NOTE
Step a. applies only if engine is stored in a shipping container.
a. If possible, shipping container shall be stored in shaded area, away from direct sunlight,
and within limits of normal environment.
b. Maintain and update engine storage log as required, or at a maximum interval of every
30 days. Information shall include: recorded humidity conditions, oil wetting dates, and desiccant
replacement.
11. NONINSTALLED ENGINE PRESERVATION FOR INDEFINITE PERIOD.
a. Maintain and update engine storage log as required, or at a maximum interval of every
30 days. Information shall include: recorded humidity conditions, oil wetting dates, and desiccant
replacement.
b. If engine is in shipping container, inspect container humidity indicator (figure 1) for color.
Indicator shall appear blue, indicating safe humidity conditions. If indicator appears pink, proceed as follows:
(1) Remove shipping container cover per WP 502 00.
(2) Replace desiccant per WP 502 00.
(3) Reinstall shipping container cover per WP 502 00.
(4) At next 30 day inspection, note humidity indicator appearance. If indicator is any
color other than blue, proceed as follows:
(a) Repeat substeps (1) and (2).
(b) Inspect container cover seal per WP 504 00. Replace seal if required.
(c) Oil wet bearings per paragraph 12.
(d) Reinstall shipping container cover per WP 502 00.
6
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
Figure 1.
Humidity Indicator - LM2500 Shipping Container
7
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
12. OIL WETTING OF ENGINE BEARINGS.
a. Perform oil wetting of engine bearings as follows:
(1) Remove moisture barrier paper, covers, and plugs installed on engine.
CAUTION
SHUT OFF MAIN LUBE SUPPLY LINE PRIOR TO DISCONNECTING IF DISCONNECTING FROM ENGINE LUBE AND
SCAVENGE PUMP.
(2) Connect portable lubricating stand supply and scavenge pumps (figures 2 and 3) as
follows:
WARNING
LUBRICATING OIL, MIL-PRF-23699F (C/I): COMBUSTIBLE. DO NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH YOU. IRRITANT. PERSONAL
PROTECTIVE EQUIPMENT REQUIRED. USE MECHANICAL EXHAUST VENTILATION - IF NOT AVAILABLE,
USE AN APPROVED RESPIRATOR.
! LUBRICATING OIL, MIL-L-7808: COMBUSTIBLE. DO
NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH
YOU. IF INGESTED, CENTRAL NERVOUS SYSTEM
DAMAGE, PARALYSIS, OR ADVERSE EFFECTS MAY
OCCUR. IRRITANT. THERMAL DECOMPOSITION MAY
RELEASE TOXIC BY-PRODUCTS AND RESIDUES. PERSONAL PROTECTIVE EQUIPMENT REQUIRED. USE
(NORMALLY AND WHEN HEATING) IN A WELL-VENTILATED AREA OR WITH MECHANICAL VENTILATION IF NOT AVAILABLE, USE AN APPROVED RESPIRATOR.
!
(a) If connected, disconnect lube supply hose from lube and scavenge pump inlet
supply tube. Drain residual oil into appropriate container.
(b) Connect portable lubricating stand supply line to lube and scavenge pump inlet
supply tube. Tighten nut to 112-128 lb ft (151.9-173.5 N"m) of torque.
(c) If connected, disconnect hose from lube and scavenge pump scavenge discharge
tube. Drain residual oil into appropriate container.
(d) Cap scavenge discharge tube.
(e) Remove safety wire and remove drain plug from forward side of accessory gearbox. Discard preformed packing.
8
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
Figure 2.
Typical Portable Lubricating Stand-Gas Generator
9
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
Figure 3. Typical Portable Lubricating Stand-Gas Turbine
10
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
(f)
Install fitting into accessory gearbox drain hole.
(g) Connect portable lubricating stand scavenge line to fitting in accessory gearbox
drain hole.
(h) For gas generators, remove safety wire and remove B- and C-sump scavenge
screens from bottom of lube and scavenge pump.
(i) For gas turbines, remove safety wire and remove B-, C-, and D-sump scavenge
screens from bottom of lube and scavenge pump.
(j)
been removed.
Install fittings into ports in lube and scavenge pump where sump screens have
(k) Connect portable lubricating stand scavenge lines to fittings in lube and scavenge pump sump ports.
(3) Install spline adapter and electric drive motor as follows:
(a) Remove nuts and washers that secure aft drive pad cover onto accessory gearbox. Remove cover and discard preformed packing.
WARNING
LUBRICATING OIL, MIL-PRF-23699F (C/I): COMBUSTIBLE. DO NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH YOU. IRRITANT. PERSONAL
PROTECTIVE EQUIPMENT REQUIRED. USE MECHANICAL EXHAUST VENTILATION - IF NOT AVAILABLE,
USE AN APPROVED RESPIRATOR.
! LUBRICATING OIL, MIL-L-7808: COMBUSTIBLE. DO
NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH
YOU. IF INGESTED, CENTRAL NERVOUS SYSTEM
DAMAGE, PARALYSIS, OR ADVERSE EFFECTS MAY
OCCUR. IRRITANT. THERMAL DECOMPOSITION MAY
RELEASE TOXIC BY-PRODUCTS AND RESIDUES. PERSONAL PROTECTIVE EQUIPMENT REQUIRED. USE
(NORMALLY AND WHEN HEATING) IN A WELL-VENTILATED AREA OR WITH MECHANICAL VENTILATION IF NOT AVAILABLE, USE AN APPROVED RESPIRATOR.
!
(b) Using lubricating oil, lubricate spline adapter, 1C8208.
(c) Using washers and nuts, secure spline adapter, 1C8208, into aft drive spline.
Tighten nuts to 100-130 lb in. (11.3-14.6 N"m) of torque.
11
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
(d) Install electric drive motor, 2C14764, onto aft drive pad. Align square drive of
drive motor with spline adapter, 1C8208.
(e) Using washers and bolts, secure drive motor to accessory gearbox aft drive pad.
Tighten bolts to 420-510 lb in. (47.5-57.6 N"m) of torque.
(f)
Connect drive motor to applicable power source.
(4) Oil wet bearings as follows:
NOTE
The use of rust preventative concentrate is optional if preservation
period is less than 60 days.
(a) Add 5 percent (by volume) of rust preventative concentrate to lubricating oil
tank of portable lube stand.
CAUTION
ENSURE PORTABLE LUBRICATING STAND SCAVENGE
LINES SHOW VISIBLE FLOW THROUGH VIEWING WINDOWS. IF FLOW IS NOT OBSERVED, STOP PORTABLE
LUBRICATING STAND AND SCAVENGE PUMPS. CHECK
ALL HOSES AND FITTINGS FOR LEAKS. FAILURE TO
COMPLY WILL RESULT IN OVERFLOW OF ENGINE OIL
SUMPS.
(b) Start portable lubricating stand supply and scavenge pumps. Ensure supply
pressure is regulated to 5-10 psi (34.5-68.9 kPa). Ensure lubricating oil supply oil temperature is
60 to 100°F (15.6 to 37.7°C).
(c) Using drive motor, 2C14764, rotate high pressure compressor (HPC) rotor in
forward direction for minimum of two rotations (12-15 minutes) at maximum RPM. If installed,
rotate power turbine by hand using forward adapter.
(d) Stop portable lubricating stand supply pump.
(e) Run portable lubricating stand scavenge pump until no oil flow is visible in
scavenge lines viewing windows.
(f)
Stop portable lubricating stand scavenge pump.
12
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
(5) Disconnect portable lubricating stand supply and scavenge pumps as follows:
WARNING
LUBRICATING OIL, MIL-PRF-23699F (C/I): COMBUSTIBLE. DO NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH YOU. IRRITANT. PERSONAL
PROTECTIVE EQUIPMENT REQUIRED. USE MECHANICAL EXHAUST VENTILATION - IF NOT AVAILABLE,
USE AN APPROVED RESPIRATOR.
! LUBRICATING OIL, MIL-L-7808: COMBUSTIBLE. DO
NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH
YOU. IF INGESTED, CENTRAL NERVOUS SYSTEM
DAMAGE, PARALYSIS, OR ADVERSE EFFECTS MAY
OCCUR. IRRITANT. THERMAL DECOMPOSITION MAY
RELEASE TOXIC BY-PRODUCTS AND RESIDUES. PERSONAL PROTECTIVE EQUIPMENT REQUIRED. USE
(NORMALLY AND WHEN HEATING) IN A WELL-VENTILATED AREA OR WITH MECHANICAL VENTILATION IF NOT AVAILABLE, USE AN APPROVED RESPIRATOR.
!
(a) Remove portable lubricating stand scavenge lines from sump port fittings in
lube and scavenge pump and accessory gearbox drain fitting. Drain residual oil into appropriate
container.
(b) Using lubricating oil, lubricate new preformed packings for sump screens and
accessory gearbox drain plug.
(c) Install preformed packing onto sump screens and accessory gearbox drain plug.
(d) Install drain plug into accessory gearbox. Tighten drain plug to
270-300 lb in. (30.6-33.9 N"m) of torque and safety wire.
(e) For gas generators, install B- and C-sump inlet screens into lube and scavenge
pump sump ports. Tighten screens to 55-70 lb in. (6.3-7.9 N"m) of torque and safety wire.
(f) For gas turbines, install B-, C-, and D-sump inlet screens into lube and scavenge
pump port. Tighten screens to 55-70 lb in. (6.3-7.9 N"m) of torque and safety wire.
(g) Remove cap from lube and scavenge pump scavenge discharge tube.
(h) Connect hose to lube and scavenge pump scavenge discharge tube, if applicable.
Tighten nut to 112-128 lb ft (151.9-173.5 N"m) of torque.
(i) Disconnect portable lubricating pump supply line from lube and scavenge pump
inlet. Drain residual oil into appropriate container.
13
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
(j) Connect hose to lube and scavenge pump inlet supply tube, if applicable.
Tighten nut to 112-128 lb ft (151.9-173.5 N"m) of torque.
(k) If applicable, open lube tank supply line per packager’s manual.
(6) Remove spline adapter and electric/pneumatic drive motor as follows:
(a) Remove bolts and washers that secure electric drive motor, 2C14764, onto aft
drive pad of accessory gearbox. Remove drive motor.
(b) Remove nuts and washers that secure spline adapter, 1C8208, into aft drive
spline of accessory gearbox. Remove spline adapter.
WARNING
LUBRICATING OIL, MIL-PRF-23699F (C/I): COMBUSTIBLE. DO NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH YOU. IRRITANT. PERSONAL
PROTECTIVE EQUIPMENT REQUIRED. USE MECHANICAL EXHAUST VENTILATION - IF NOT AVAILABLE,
USE AN APPROVED RESPIRATOR.
! LUBRICATING OIL, MIL-L-7808: COMBUSTIBLE. DO
NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH
YOU. IF INGESTED, CENTRAL NERVOUS SYSTEM
DAMAGE, PARALYSIS, OR ADVERSE EFFECTS MAY
OCCUR. IRRITANT. THERMAL DECOMPOSITION MAY
RELEASE TOXIC BY-PRODUCTS AND RESIDUES. PERSONAL PROTECTIVE EQUIPMENT REQUIRED. USE
(NORMALLY AND WHEN HEATING) IN A WELL-VENTILATED AREA OR WITH MECHANICAL VENTILATION IF NOT AVAILABLE, USE AN APPROVED RESPIRATOR.
!
(c) Using lubricating oil, lubricate preformed packing.
(d) Install preformed packing into groove on aft drive pad cover.
(e) Install aft drive pad cover onto accessory gearbox. Secure using washers and
nuts. Tighten nuts to 100-130 lb in. (11.3-14.6 N"m) of torque.
(7) Using moisture barrier paper, cover inlet and exhaust openings. Cover or plug all
engine openings and unattached fittings.
14
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
13. DEPRESERVATION OF ENGINE.
a. If applicable, depreserve lubricating oil supply as follows:
WARNING
LUBRICATING OIL, MIL-PRF-23699F (C/I): COMBUSTIBLE. DO NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH YOU. IRRITANT. PERSONAL
PROTECTIVE EQUIPMENT REQUIRED. USE MECHANICAL EXHAUST VENTILATION - IF NOT AVAILABLE,
USE AN APPROVED RESPIRATOR.
! LUBRICATING OIL, MIL-L-7808: COMBUSTIBLE. DO
NOT INHALE, INGEST, OR LET THIS MATERIAL TOUCH
YOU. IF INGESTED, CENTRAL NERVOUS SYSTEM
DAMAGE, PARALYSIS, OR ADVERSE EFFECTS MAY
OCCUR. IRRITANT. THERMAL DECOMPOSITION MAY
RELEASE TOXIC BY-PRODUCTS AND RESIDUES. PERSONAL PROTECTIVE EQUIPMENT REQUIRED. USE
(NORMALLY AND WHEN HEATING) IN A WELL-VENTILATED AREA OR WITH MECHANICAL VENTILATION IF NOT AVAILABLE, USE AN APPROVED RESPIRATOR.
!
(1) Drain engine lubricating tank oil per packager’s manual.
(2) Remove safety wire and remove drain plug from forward side of accessory gearbox.
Discard preformed packing.
(3) Drain lubricating oil into suitable container.
(4) Using lubricating oil, lubricate preformed packing.
(5) Install preformed packing onto drain plug.
(6) Install drain plug into accessory gearbox. Tighten drain plug to 270-300 lb in.
(30.6-33.9 N"m) of torque and safety wire.
(7) Refill engine lubricating tank oil per packager’s manual.
b. For noninstalled engines:
(1) Remove engine from shipping container per WP 502 00, if applicable.
(2) Install engine per WP 300 00 or WP 301 00, if applicable.
15
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GEK 97310
VOLUME II
WP 501 00
(3) Perform paragraph 12, step a.
(4) Install and start engine per Chapter 4.
c. For installed engines:
(1) Remove desiccant from enclosure/package.
(2) Perform paragraph 12, step a.
(3) Install and start engine per Chapter 4.
16
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.