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 376 of 657
TM 9-2320-260-34-1
5-21. FUEL PUMP AIR CYLINDER MAINTENANCE
THIS TASK COVERS:
a. Removal
c. Adjustment
b. Installation
INITIAL SETUP
APPLICABLE MODELS
M816, M819
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
MATERIALS/PARTS
Two lockwashers (Appendix D, Item 225)
Antiseize tape (Appendix C, Item 50)
REFERENCES (TM)
TM 9-2320-260-10
TM 9-2320-260-34P-1
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-260-10).
Hood raised and secured (TM 9-2320-260-10).
Air reservoirs drained (TM 9-2320-260-10).
GENERAL SAFETY INSTRUCTIONS
Do not disconnect air line before draining air
reservoirs.
Hearing protection must be worn when
performing this task.
a. Removal
WARNING
Do not disconnect air line before draining air reservoirs. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
1.
Remove air line (4) and adapter (3) from air cylinder (2).
2. Remove nut (1) and air cylinder (2) from bracket (7).
3. Remove two screws (5), lockwashers (6), and bracket (7) from fuel pump (8). Discard lockwashers (6).
b. Installation
1.
Install bracket (7) on fuel pump (8) with two new lockwashers (6) and screws (5).
2. Install air cylinder (2) on bracket (7) with nut (1).
3. Apply antiseize tape to male threads of adapter (3) and air line (4) and install adapter (3) and air
line (4) on air cylinder (2)
c. Adjustment
Hearing protection must be worn by mechanic when engine is
running. Noise levels produced by this vehicle exceed 85dB, which
may cause injury to personnel.
1. Start engine (TM 9-2320-260-10) and allow air system to reach normal operating pressure.
NOTE
Perform step 2 for M816 wrecker truck.
2. Engage crane drive control lever (TM 9-2320-260-10).
3. Engage transfer power takeoff lever (TM 9-2320-260-10).
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