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 TM 55-1905-220-14-10
5-37. FRESH WATER PUMP-MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
d. Seal
1. With the surface of the
assembly
water pump seal clean
(8)
and free from dirt and
metallic particles, apply
a thin coat of liquid
soap on the inside dia-
meter of the rubber carbon
washer seal (16). Do not
scratch or mar the surface
of the carbon seal washer.
2. Slide the new seal assem-
bly on the pump shaft
until the carbon seal
washer is seated firmly
against the pump body
insert.
3. Install the spring (17)
with the small end toward
the seal.
e. Impeller
1. Support the bearing end of
(7)
the shaft (not the drive
coupling) on the bed of an
arbor press.
2. Then press the impeller on
the shaft.. The end of the
shaft must be flush with
the face of the impeller
hub with the bearing being
held against the shoulder
in the water pump body.
f.
Drive
Support the impeller end of
coupling
the pump shaft on a suitable
(thrower)
arbor press and, press the
(10)
coupling onto the shaft. The
drive coupling must be flush
with the end of the shaft.
Make sure the drive coupling
is tight on the shaft.
5-604
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