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 TM 55-1905-221-14-3
6-26.1.
LUBE OIL PUMP ASSEMBLY - MAINTENANCE INSTRUCTIONS
(CONTINUED).
LOCATION/ITEM
ACTION
REMARKS
INSPECTION (Cont)
concentric within .001 inch.
The shaft-to-pump body-bushing
clearance with new parts is
.0008 inch to .0025 inch.
The shaft-to-pump cover bush-
ing clearance with new parts
is .0010 inch to .0027 inch.
d. In an efficient oil pump, the
gears should have a free-
running fit (with no percept-
ible looseness) in the pump
housing. If the gear teeth
are scored or worn, install
new gears. The use of
excessively worn gears will
result in low engine oil
pressure which in turn, may
lead to serious damage
throughout the engine.
e. Inspect the pressure relief
valve and its seat in the
pump body. If necessary,
install new parts.
6-402
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