Technical Procedures: General Maintenance Practices (Level 1 and 2 Maintenance)

GEK 97310
Volume II
WP 002 00
WORK PACKAGE
TECHNICAL PROCEDURES
GENERAL MAINTENANCE
PRACTICES
(LEVEL 1 AND 2 MAINTENANCE)

EFFECTIVITY: LM2500 - MODELS GB, GE, GD, GH, PC, PD, PE, PH AND PL
LIST OF EFFECTIVE WP PAGES

Total Number of Pages in this WP is 6
Page Change Page Change Page Change
No. No. No. No. No. No.
1 - 2 ................... 2 6 Blank .............. 1

3 - 5 ................... 1
ALPHABETICAL INDEX
Subject Page
General Maintenance Practices.................................................................................................... 4
Inspection Definitions.................................................................................................................. 4
Maintenance in Enclosure............................................................................................................ 3
GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
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GEK 97310
Volume II
WP 002 00
1. INTRODUCTION. This work package contains instructions for working in enclosure. It also
addresses general maintenance practices that should be complied with during maintenance.
NOTE
The S.I. units shown in this work package are direct mathematical con-
versions and may be rounded off in most instances at the user’s discre-
tion. Examples of units that may be rounded off are those utilized for
temperatures, torque values, pressures, etc. Examples where S.I. units
may not be rounded off are those utilized for drop checks, rigging adjust-
ments, runouts, etc.
2. APPLICABLE SUPPORT EQUIPMENT.
None
3. CONSUMABLE MATERIAL.
Part No. Description

Local Purchase Shop Rags
4. EXPENDABLE MATERIAL.
None
5. REFERENCE MATERIAL.
Title Number
Operation and Maintenance Manual, Volume I GEK 97310
Introduction Chapter 1
General Maintenance Practices Chapter 5
Operation and Maintenance Manual, Volume II GEK 97310
Illustrated Parts Breakdown GEK 50336
CAUTION
IF SHIPPING DOCUMENTATION OR PART NUMBER DOES NOT

MATCH PART IDENTIFICATION AS SHOWN IN IPB CONTACT YOUR
CSM TO VERIFY/VALIDATE PART NUMBER APPLICABILITY BEFORE
INSTALLATION OR DAMAGE TO GAS GENERATOR/GAS TURBINE
COMPONENTS MAY OCCUR.
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GEK 97310
Volume II
WP 002 00
6. MAINTENANCE IN ENCLOSURE.
a. Comply with safety summary items listed in GEK 93710, Chapter 1, while in enclosure.
b. Prepare engine and enclosure for maintenance as follows:
(1) Turn off and tag out fire extinguishing system per packager’s manual.
(2) Turn off and tag out fuel supply per packager’s manual.
(3) Turn off and tag out electrical service per packager’s manual.
(4) If disconnecting lubricating oil lines, turn off and tag out lubricating oil supply per pack-
ager’s manual.
(5) Ensure enclosure is free of fuel or natural gas. Refer to packager’s manual.
(6) Ensure adequate ventilation of enclosure is provided. Refer to packager’s manual.
(7) If applicable, open enclosure door. Ensure door cannot accidentally close.
(8) Turn on enclosure lights per packager’s manual.
(9) Visually inspect enclosure floor and horizontal surfaces for evidence of fluid leakage. If
evidence of fluid leakage is seen, do the following:
(a) Consult appropriate work package for area that could be source of fluid.
(b) Consult packager’s manual if source of leakage is not covered by maintenance proce-
dures in GEK 97310, Volume II.
(10) Comply with all packager provided work and safety instructions.
c. After completion of maintenance, return engine to service as follows:
(1) Inspect enclosure for flammable materials, tools, or removed components. Remove mate-
rials from enclosure prior to beginning engine operation.
(2) Inspect enclosure floor and horizontal surfaces for spilled fluids. Using shop rags, clean
any spilled fluid.
(3) If applicable, close and latch enclosure door shut.
(4) Remove tag and turn on fire extinguishing system per packager’s manual.
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GEK 97310
Volume II
WP 002 00
(5) Remove tag and turn on fuel supply per packager’s manual.
(6) Remove tag and turn on electrical service per packager’s manual.
(7) Remove tag and turn on lubricating oil supply per packager’s manual if lubricating oil
supply was turned off.
(8) Comply with all packager provided instructions for returning engine to service.
7. GENERAL MAINTENANCE PRACTICES.
Refer to GEK 97310, Chapter 5, for general maintenance practices.
8. INSPECTION DEFINITIONS.
a. The following definitions apply when inspecting components:
(1) Inspect.
(a) Defines component to be inspected.
(b) What discrepancies or conditions are to be noted during inspection.
(2) On-Site Maximum Serviceable Limits.
(a) Maximum departure from manufacturer’s established new equipment standards that
will not materially reduce usability of component.
(b) Maximum departure from manufacturer’s established new equipment standards that
has no significant bearing upon effective use or operation of equipment between stan-
dard maintenance intervals.
(3) On-Site Maximum Repairable Limits.
(a) Defines extent of repair that can be performed on component to return it to service-
able condition.
(b) No entry or dash in this column does not mean that component cannot be repaired,
but, that to date, no repair procedure has been established.
(c) Not repairable in this column means no feasible repair exists, and that no attempt
should be made to repair component, under any circumstances, at current level of
maintenance being accomplished.
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GEK 97310
Volume II
WP 002 00
(4) On-Site Corrective Limits.
(a) Defines if component should be replaced, and what applicable work package applies.
(b) If repair materials, or component(s) to be replaced, are not available, it is permissible

to replace next higher assembly.
Change 1 5/(6 Blank)

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GEK 97310

(LEVEL 1 AND 2 MAINTENANCE)

LIST OF EFFECTIVE WP PAGES

1 - 2 ................... 2 6 Blank .............. 1

GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.

2. APPLICABLE SUPPORT EQUIPMENT.

Part No. Description

IF SHIPPING DOCUMENTATION OR PART NUMBER DOES NOT

GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.

b. Prepare engine and enclosure for maintenance as follows:

(6) Ensure adequate ventilation of enclosure is provided. Refer to packager’s manual.

(8) Turn on enclosure lights per packager’s manual.

c. After completion of maintenance, return engine to service as follows:

(3) If applicable, close and latch enclosure door shut.

GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.

7. GENERAL MAINTENANCE PRACTICES.

Refer to GEK 97310, Chapter 5, for general maintenance practices.

a. The following definitions apply when inspecting components:

(a) Defines component to be inspected.

(b) What discrepancies or conditions are to be noted during inspection.

(2) On-Site Maximum Serviceable Limits.

(3) On-Site Maximum Repairable Limits.

GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.

(4) On-Site Corrective Limits.

(b) If repair materials, or component(s) to be replaced, are not available, it is permissible

GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.

Change 1 5/(6 Blank)

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