TM-9-2320-272-24-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4
JUNE 1998
TM-9-2320-272-24-3 - Page 74 of 799
TM 9-2320-272-24-3
4-57. FUEL INJECTION PUMP MAINTENANCE
THIS TASK COVERS:
a. Removal
c. Adjustment
b. Installation
INITlAL SETUP:
APPLICABLE MODELS
M939A2
REFERENCES (TM)
TM 9-2320-272-24P
SPECIAL TOOLS
EQUIPMENT CONDITION
Engine barring tool (Appendix E, Item 43)
Puller kit (Appendix E, Item 103)
Box wrench (Appendix E, Item 161)
Throttle control solenoid removed (para. 3-46).
Air fuel control (AFC) tube removed (para. 3-18).
Tachometer drive removed (para. 4-51).
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
Torque wrench (Appendix E, Item 144)
GENERAL SAFETY INSTRUCTIONS
Diesel fuel is flammable. Do not perform this task
near open flames.
MATERIALS/PARTS
Two cotter pins (Appendix D, Item 46)
Two copper washers (Appendix D, Item 42)
Copper washer (Appendix D,Item 43)
Lockwasher (Appendix D,Item 383)
Lockwasher (Appendix D, Item 345)
O-ring (Appendix D, Item 447)
O-ring (Appendix D, Item 444)
O-ring (Appendix D, Item 446)
Two lockwashers (Appendix D, Item 398)
Break-off screw (Appendix D, Item 18)
Cap and plug set (Appendix C, Item 14)
Lubrication oil (Appendix C, Item 49)
Safety wire (Appendix C, Item 79)
WARNING
Diesel fuel is flammable. Do not perform fuel system procedures
near open flame. Injury to personnel may result.
1.
Remove cotter pin (18), washer (19) and cable pivot (15) from shutoff valve lever (12). Discard
cotter pin (18).
2.
Remove screw (17) clamp (1) and control cable (2) from fuel pump bracket (16).
3.
Remove screw (13) throttle connector (14) and control cable (2) from cable pivot (15).
4.
Remove cotter pin (3) and washer (4) from link pin (6). Discard cotter pin (3).
5.
Remove modulator control cable (5) from throttle lever (7).
6.
Compress socket (10) and remove accelerator linkage (9) from ball joint (8).
7.
Remove ball joint (8) and lockwasher (11) from throttle lever (7). Discard lockwasher (11).
4-338
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