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 370 of 657
TM 9-2320-260-34-1
5-19. UPPER SPRING PACK MAINTENANCE
THIS TASK COVERS:
a. Removal
d. Assembly
b. Disassembly
e.
Installation
c. Inspection
INITIAL SETUP
APPLICABLE MODELS
M816, M819
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
Inside caliper micrometer (Appendix B, Item 9)
Spring tester (Appendix B, Item 10)
Arbor press (Appendix B, Item 7)
MATERIALS/PARTS
O-ring (Appendix D, Item 284)
O-ring (Appendix D, Item 286)
Gasket (Appendix D, Item 123)
Retaining ring (Appendix D, Item 340)
REFERENCES (TM)
TM 9-2320-260-34P-1
EQUIPMENT CONDITION
Fuel pump mounted on holding fixture (para. 5-14).
1. Remove spring (16) from throttle lever (12) and bracket (2).
2. Remove four screws (14), washers (13), spring pack housing (11), and gasket (15) from fuel pump (1).
Discard gasket (15).
3. Remove high-speed spring (8), shim(s) (9), and spring guide (10) from spring pack housing (11).
4. Remove retaining ring (7), spring seat (6), idle spring (5), and plunger (4) from governor barrel (3).
Discard retaining ring (7).
b. Disassembly
NOTE
Mark throttle lever positions for installation.
1. Loosen two nuts (24) and screws (25) and remove throttle levers (12) and (29) from throttle lever
shaft (23).
2. Remove setscrew (27) from throttle lever stop (28) and throttle lever shaft (23),
3. Remove throttle lever shaft (23) and throttle lever stop (28) from spring pack housing (11).
4. Remove two O-rings (26) from throttle lever shaft (23). Discard O-rings (26).
5. Remove safety wire (18) from two caps (17). Discard safety wire (18).
6. Remove two caps (17), washers (19), nuts (20), washers (21), and setscrews (22) from spring pack
housing (11).
5-50
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