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 TM 55-1905-223-24-3
3-22. REPLACE/REPAIR ENGINE LUBRICATING OIL PUMP ASSEMBLY.
This task covers:
a. Removal,
b. Disassembly,
c. Repair,
Assembly,
e. Replacement.
INITIAL SETUP:
Tools
Equipment Condition
Tool kit, general mechanic's
Engine shut down (TM 55-1905-223-10)
rail and marine diesel engines,
and cooled to below 120 (50 ).
F
C
Air supply secured (port).
Combination wrench set,
Battery banks disconnected (starboard).
metric 10mm to 24mm,
Oil pan removed (paragraph 3-21).
5120-01-046-4979
Torque wrench kit P/N 3377216
Depth vernier P/N ST-537
Gear puller P/N 3375082
Gear puller P/N 3375083
Dowel puller P/N ST-1134
Bushing mandrel P/N ST-1158
Lubricating oil pump boring tool
P/N 3375206
Gear spacer mandrel ST-1157
Materials/Parts
Lubricating oil pump P/N AR9834
Sleeve bearing P/N 69521
Gasket P/N 203145, 3031434
Sleeve bushing P/N 68365
Helical compression spring P/N 211939
Pressure regulator plunger P/N 109333
Lubricating oil, Item 2, Appendix C
REMOVAL
a. Disconnect oil lines to the inlet and outlet of the oil pump.
b. Remove capscrews (19, Figure 3-47), machine bolts (20) and lockwashers (18), securing oil pump to
the cylinder block.
CAUTION
Do not pry on oil pump mounting flange when removing oil pump. This will cause damage to the oil pump.
c.
Remove the oil pump and gasket from the gear case. Discard gasket (32).
Change 1 3-91
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