TM 9-2815-225-34&P
3-61. FUEL PUMP FRONT COVER AND GOVERNOR REPAIR
THIS TASK COVERS:
a. Removal
f. Installation
b. Disassembly (M915A1/Big Cam III)
g. Disassembly (M915/Big Cam I)
c. Cleaning
h. Inspection (M915/Big Cam I)
d. Inspection (M915A1/Big Cam III)
i. Assembly (M915/Big Cam I)
e. Assembly (M915A1/Big Cam III)
INITIAL SETUP:
APPLICABLE MODELS
PERSONNEL REQUIRED
All
Fuel and electrical systems repairman MOS 63G
SPECIAL TOOLS
REFERENCES (TM)
Fuel pump mounting plate (15434) 3375133
None
Ball joint vise (15434) ST-302
Front cover and main shaft assembly tool kit
TROUBLESHOOTING REFERENCES
(15434) 3375175
Para. 2-8
Oil seal assembly tool (15434) ST-419
Plunger protrusion checking tool (15434)
EQUIPMENT CONDITION
ST-1241
Fuel pump removed (para. 3-16).
TEST EQUIPMENT
SPECIAL ENVIRONMENTAL CONDITIONS
None
Work area clean and away from blowing dirt and
dust.
MATERIALS/PARTS
Solvent, SD-3 (Appendix C, Item 30)
GENERAL SAFETY INSTRUCTIONS
Diesel fuel, regular (Appendix C, Item 19)
Always wear eye protection when using compressed
Cover-to-fuel pump gasket (15434) 100754
air.
Tachometer drive seal (15434) 212603
Two shaft seals (15434) 3019962
LOCATION/ITEM
ACTION
REMARKS
a. Removal
NOTE
Steps 5 through 36 are performed in repairing fuel pump front cover and governor for fuel
pumps used on the M915A1/Big Cam III engine.
Steps 37 through 58 are performed in repairing fuel pump front cover and governor for
fuel pumps used on the M915/Big Cam I engine.
1.
Fuel pump front cover
Install on fuel pump mounting
Use fuel pump mounting plate
assembly (1)
plate (32) and ball joint vise (33).
(3375133) (32) and ball joint vise
(ST-302) (33).
2.
Screw (30) and plastic
Remove from fuel pump front
Discard plastic bushing seal (31).
bushing seal (31)
cover assembly (1).
3.
Screw (29), washer (27), and
Remove from fuel pump front
lockwashers (28)
cover assembly (1).
4.
Five captive washer screws
Remove from fuel pump front
Tap fuel pump main housing (34)
(26), fuel pump main
cover assembly (1).
with plastic-face hammer to
housing (34), and cover-to-
loosen. Discard cover-to-fuel
fuel pump gasket (21)
pump gasket (21).
3-408
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