Quantcast REPAIR (Cont) - TM-55-1905-220-14-40318

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TM 55-1905-220-14-4
3-18. FRESH WATER PUMP - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
i. Impeller
Inspect the ceramic
If the insert
(26)
insert for cracks,
is damaged,
scratches, and bond
refer to step
to the impeller.
13.
j. Seal
Clean the mating sur-
Remove all
(27) and
faces of the seal and
dirt, metal
impeller
the ceramic insert in
particles and
(26)
the impellor.
oil film.
k. Pump
Apply a small quantity
Apply to
shaft
of compound
threads of
P/N5198653
pump shaft.
Use Interna-
tional Compound
#2, or equiva-
lent.
l. Impeller
Place on shaft.
(26),
and
washer
(25)
m. Locknut
Start on shaft. Hold
Use new lock-
(24),
the pump gear while
nut. Tighten
bolt (23)
drawing the impeller
nut to 45-50
down on the tapered
lb-ft (61-68
shaft.
Nm) torque.
n. Water
Insert a feeler gage.
Minimum clear-
outlet
ance between
opening
impeller and
pump body
must be .015
inch (.038 cm).
o. Water
Align holes on pump.
Use new gasket.
pump
cover
(21),
and
gasket
(22)
3-560


 


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