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TM 10-3930-669-34
3-17. INJECTION PUMP TIMING GEAR REPLACEMENT/REPAIR.
This task covers:
a.
Removal
c.
Cleaning/Inspection
e.
Installation
b.
Disassembly
d.
Assembly
INITIAL SETUP
Tools and Special Tools
Materials /Parts
Tool Kit, General Mechanic’s: Automotive
Cloth, Lint-free (Item 6, Appendix B)
(Item 1, Appendix E)
Solvent, Dry-cleaning (Item 20, Appendix B)
Wrench, Torque (0 to 175 lb-ft [0-237 N.m])
(Item 5, Appendix E)
Equipment Condition
Puller, Injector Timing Gear
No. 1 piston at top dead center (TDC)
(Item 32, Appendix E)
(TM 10-3930-669-20)
Front cover removed (Para 3-10)
a.
Removal
NOTE
Ensure that engine timing marks are
aligned prior to removal of timing
gear.
(1)
Remove gear retaining nut (1) from
injection pump shaft (2) in crankcase (3).
Use care in removing timing gear.
Gear could fall and be damaged.
(2)
Using a gear puller, remove timing gear
(4) from injection pump shaft (2).
(3)
Remove key (5) from injection pump shaft
(2).
b.
Disassembly. Remove three screws (6), spring
washers (7), washers (8), and hub (9) from
timing gear (4).
3-89
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