TM 9-2320-260-34-1
5-23. FUEL PUMP HOUSING MAINTENANCE
THIS TASK COVERS:
a. Removal
d. Assembly
e. Installation
b. Disassembly
c. Inspection
INITIAL SETUP
APPLICABLE MODELS
MATERIALS/PARTS (Contd
All
Seal (Appendix D, Item 426)
Filter element (Appendix D, Item 57)
TOOLS
Lubricating oil (Appendix C, Item 21)
General mechanic's tool kit
REFERENCES (TM)
(Appendix B, Item 1)
TM 9-2320-260-20
Electric drill (Appendix B, Item 64)
TM 9-2320-260-34P-1
Torque wrench, 3/8-in. dr.
(Appendix B, Item 4)
EQUIPMENT CONDITION
1/4-in. dia. drill bit (Appendix B, Item 63)
Fuel pump mounted on holding fixture
MATERIALS/PARTS
Lockwasher (Appendix D. Item 225)
Shutoff valve removed (para. 5-15).
Gear pump removed (para. 5-17).
Gasket (Appendix D, Item 125)
Lockwasher (Appendix D, Item 233)
Spring pack removed (para. 5-18).
Retaining ring (Appendix D, Item 341)
Upper spring pack removed, if so equipped
O-ring (Appendix D, Item 290)
Fuel pump governor removed, if so equipped
O-ring (Appendix D, Item 292)
O-ring (Appendix D, Item 294)
NOTE
AFC, VS, MVS fuel pump housings are maintained basically the
same. This procedure covers the AFC fuel pump.
a. Removal
1. Remove screw (8), lockwasher (7), and washer (6) from front cover (3) and housing (5). Discard
lockwasher (7).
2. Remove six screws (1), washers (2), housing (5), and gasket (4) from front cover (3). Discard
gasket (4).
b. Disassembly
1. Remove plug (9) from housing (5).
2. Remove cap (10), seal (11), spring (12), and filter element (13) from housing (5). Discard seal (11)
and filter element (13).
3. Remove nut (21), lockwasher (20), washer (19), screw (23), washer (22), and throttle lever (18) from
throttle shaft (16). Discard lockwasher (20).
4. Remove two drive pins (24) and throttle shaft cover (17) from housing (5). Discard drive pins (24).
5. Remove retaining ring (26) and throttle shaft (16) from housing (5).
6. Remove O-ring (25) from throttle shaft (16). Discard O-ring (25).
7. Remove plug (15) and O-ring (14) from housing (5). Discard O-ring (14).
