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 220 of 657
TM 9-2320-260-34-1
3-52. OIL PUMP REPAIR
THIS TASK COVERS:
a. Disassembly
c.
Assembly
b. Cleaning and Inspection
INITIAL SETUP
APPLICABLE MODELS
MATERIALS/PARTS (Contd)
All
Seven lockwashers (Appendix D, Item 215)
Lockplate (Appendix D, Item 166)
SPECIAL TOOLS
Spring (Appendix D, Item 520)
Universal puller kit (Appendix B, Item 75)
Bypass seat (Appendix D, Item 12)
Disk (Appendix D, Item 54)
TOOLS
Spring (Appendix D, Item 521)
General mechanic’s tool kit
(Appendix B, Item 1)
Three lockwashers (Appendix D, Item 217)
Two gaskets (Appendix D, Item 71)
Inside micrometer (Appendix B, Item 9)
Antiseize tape (Appendix C, Item 50)
Arbor press (Appendix B, Item 7)
Lubricating oil (Appendix C, Item 21)
Oil pump boring tool (Appendix B, Item 111)
Feeler gage (Appendix B, Item 58)
REFERENCES (TM)
MATERIALS/PARTS
TM 9-2320-260-34P-1
Two screw-assembled lockwashers
EQUIPMENT CONDITION
(Appendix D, Item 381)
Oil pump removed (para. 3-34).
Gasket (Appendix D, Item 69)
a. Disassembly
1. Remove adapter (6), elbow (5), and nipple (4), elbow (7), and nipple (8) from oil pump (1).
2. Remove pipe plugs (2), (3), (9), and (10) from oil pump (1).
3. Remove two screw-assembled lockwashers (23), flange plate (22), and gasket (21) from oil pump (1).
Discard screw-assembled lockwashers (23) and gasket (21).
4. Bend tabs of lockplate (13) away from screw (11) and oil pump (1).
NOTE
Hold retaining cap when removing screw. Release retaining cap
slowly when removing parts.
5. Remove screw (11), lockwasher (12), lockplate (13), retaining cap (14), plug (15), spring (16), and
plunger (17) from oil pump (1). Discard lockwasher (12), lockplate (13), and spring (16).
6. Remove bypass seat (18), disk (19), and spring (20) from oil pump (1). Discard bypass seat (18),
disk (19), and spring (20).
7. Remove two screws (25), lockwashers (24), six screws (26), and lockwashers (27) from filter
head (28). Discard lockwashers (24) and (27).
8. Remove filter head (28) and gasket (29) from inner body (30). Discard gasket (29).
3-168
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