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 TM 55-1905-220-14-11
5-86. HYDRAULIC PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
OVERHAUL-CLEANING- INSPECTION (Cont)
2. Check the wearing surfaces of
the body (10), ring (22), and
rotor (19) for scoring and
excessive wear. Remove light
score marks by lapping.
Replace any heavily scored or
badly worn parts.
3. Inspect the vanes (21) for
burrs, wear and excessive play
in the rotor slots. Replace
the vanes (21) and rotor (19)
if the slots are worn.
4. Check the bearing journals (18
and 27) for wear and looseness.
Rotate the bearings while
applying pressure to check for
pitted or cracked races.
5.
Inspect the oil seal (28) mating
surface on shaft (19) for scoring
or wear. If marks on shaft cannot
be removed by light polishing,
replace the shaft.
5-1130
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