TM 9-2320-272-24-1
3-20. FUEL TRANSFER PUMP AND SUPPLY LINES (M939A2) MAINTENANCE
THIS TASK COVERS:
a. Removal
c. Installation
b. Cleaning and Inspection
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939A2
TM 9-2320-272-10
TM 9-2320-272-24P
TOOLS
EQUIPMENT CONDITION
General mechanic's tool kit (Appendix E, Item 1)
l Parking brake set (TM 9-2320-272-10).
MATERIALS/PARTS
l Hood raised and secured (TM 9-2320-272-10).
Banjo seal (Appendix D, Item 9)
GENERAL SAFETY INSTRUCTIONS
Two seal washers (Appendix D, Item 645)
Diesel fuel is flammable. Do not perform this task
Two seal washers (Appendix D, Item 646)
near open flames.
Gasket (Appendix D, Item 139)
Antiseize tape (Appendix C, Item 72)
a. Removal
WARNING
Diesel fuel is highly flammable. Do not perform fuel system
procedures near open flames. Injury to personnel may result.
Disconnect fuel pressure transducer (1) from wiring harness (2).
1.
Remove fuel pressure transducer (1) from adapter (10).
2.
Remove adapter (10), two seal washers (11), and fuel supply tube (5) from fuel transfer pump (13).
3.
Discard seal washers (11).
Remove fuel supply line (16) from elbow (15) on fuel transfer pump
4.
5.
Remove two screws (14), fuel transfer pump (13), and gasket (12) from engine block (17). Discard
gasket (12).
Remove elbow (15) from fuel transfer pump (13).
6.
NOTE
Perform steps 7 and 8 if fuel supply tube is damaged.
Remove screw (8), banjo seal (9), and fuel drain manifold (7) from adapter (6). Discard banjo seal (9).
7.
Remove adapter (6), two seal washers (4), and fuel supply tube (5) from fuel filter head (3). Discard
8.
seal washers (4).
b. Cleaning and Inspection
1.
For general cleaning instructions, refer to para. 2-14.
2.
For general inspection instructions, refer to para. 2-15.
3.
Replace all parts failing inspection.
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