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 TM 55-1905-220-14-8
4-9.2. BILGE PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
d. Spring
Slide onto impeller.
Make sure it is
(37)
properly seated
on the impeller
shoulder.
e. Bellows
1. Lubricate with
(36),
light oil.
and carbon
washer (35)
2. Slide onto impeller
sleeve only until
it clears the cham-
fer.
f.
Seal seat
1. Slide onto impeller.
(34), and
seal washer
2. Push seal and allow
(33)
spring to drive the
assembly up.
g. Assembly
1. Make sure all
impeller
lapped and seal sur-
(30)
faces are perfectly
clean.
2. Lubricate both
faces of seals with
a light oil.
Perform the next step immediately. This will avoid bonding of the bellows to the
sleeve at improper working heights.
h. Adaptor
Reassemble.
(31), and
impeller
(30)
i.
Clamp (29),
Reassemble.
screws (28),
(27), and
nuts (26)
4-486
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