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 TM 55-1905-221-14-3
6-11.
HYDRAULIC PUMP DRIVE COMPONENTS (Continued)
LOCATION/ITEM
ACTION
REMARKS
REPAIR
7. Motor
a. Replace all packings and
gaskets.
b. Replace defective seal
assembly.
c.
Remove score marks and minor
scratches from shuttle valve
spool by light stoning.
d. Replace defective springs.
e. Remove burrs from rotor
vanes and pins.
f.
Replace cracked motor housing.
OVERHAUL
8. Motor
a. Replace ball and needle bear-
ings.
b. Replace all packings and
gaskets.
c.
Replace seal assembly.
d. Replace rotor vanes and
springs.
e. Replace end cap if warped or
cracked.
f.
Replace front port plate if
warped or cracked.
g. Replace keys if loose in key-
ways.
6-112
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