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 TM 55-1905-220-14-11
5-119. FIRE PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY
2.
a. Packing
Press wear ring (24)
Make certain it
box
into recess in cover.
is properly
cover
seated.
(4)
b. Casing
Press wear ring (26)
(3)
into casing until it is
flush with the inside
edge of the casing.
c.
Impeller
1. Press rear wear ring
(10)
(14) onto shoulder
at rear of impeller
until it is flush
with the rear face.
2. Press front wear ring
(13) onto shoulder
at front of impeller
until it is flush
with the front face.
3. Check wear ring
If not correct,
tolerances.
it is suggested
Clearance should
the impeller be
be .013-.018 inch.
machined to give
correct clearance.
d. Shaft
Place on motor shaft.
deflector
(19)
e. Shaft
Insert into bore of
sleeve
packing gland (17).
(18)
f.
Packing
1. Clean packing box.
box
(part of
2. Inspect parts for
packing
wear.
box cover
(4)
5-1348
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