TM-9-2320-260-34-1
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 1 OF 2
JULY 1994
TM-9-2320-260-34-1 - Page 358 of 657
TM9-2320-260-34-1
5-13. FUEL PUMP REPLACEMENT
THIS
TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
APPLICABLE MODELS
All
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
MATERIALS/PARTS
Two lockwashers (Appendix D, Item 225)
Four lockwashers (Appendix D, Item 217)
Gasket (Appendix D, Item 119)
REFERENCES (TM)
TM 9-2320-260-10
TM 9-2320-260-20
TM 9-2320-260-34P-1
EQUIPMENT CONDITION
• Hood raised and secured (TM 9-2320-260-10).
Ž Fuel supply and return tubes removed
(TM 9-2320-260-20).
GENERAL SAFETY INSTRUCTIONS
Diesel fuel is flammable. Do not perform this task
near open flame.
a. Removal
WARNING
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Diesel fuel is flammable. Do not perform fuel system procedures
near open flame. Injury to personnel may result.
Disconnect tachometer driveshaft cable (4) from fuel pump (14).
Remove nut (11) and emergency shutdown control wire (9) from emergency shutoff valve (8).
Remove nut (5) and emergency control cable (10) from manual shu off valve (7).
Disconnect fuel supply tube (6) from manual shutoff valve (7).
NOTE
Perform step 5 for M816 and M819 vehicles.
Remove two screws (28), lockwashers (29), and air cylinder bracket (27) from VS governor (26).
Discard lockwashers (29).
Disconnect primer pump fuel line (15) from fuel pump (14).
Disconnect fuel inlet line (13) from fuel Pump (14).
Disconnect fuel return tube (12) from fuel pump (14).
Remove spring (23) from accelerator lever (19) and bracket (25).
Remove nut (16), screw (18), and accelerator rod (17) from accelerator lever (19).
Remove four screws (20), washers (21), lockwashers (22), fuel pump (14), and gasket(3) from air
compressor (1). Discard lockwashers (22) and gasket (3).
Remove spider coupling (2) from coupling drive (24).
5-38
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