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 TM 55-1905-221-14-2
5-6.1. RAMP HOIST HYDRAULIC PUMP (Continued).
LOCATION/ITEM
ACTION
REMARKS
CLEANING
4.
Wash and dry all cartridge parts
in clean hydraulic fluid.
INSPECTION
5.
a.
Inspect surfaces of wear
plate, pressure plate, ring
and rotor for scoring and
excessive wear. Light
scoring may be carefully
stoned or lapped. Discard
parts that are heavily
scored.
b.
Check edges of vanesor
f
wear. Vanes shall not
have excessive play in
rotor slots or burrs on
edges.
c.
Inspect inside diameter of
bushing (25). Remove bush-
ing if wear or scoring is
evident. If wear plate is
to be replaced, do not
remove bushing, as a new
plate comes with bushing
inserted.
REPAIR
6.
a.
Replace O-rings and felt seal.
b.
Replace other damaged or
defective parts as required.
5-72
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