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 TM 55-1905-222-14
6-6 REPAIR RAMP HOIST HYDRAULIC PUMP (Continued).
e. Inspect bushing mating surfaces on
the shaft for scoring or wear.
Replace shaft if marks cannot be
removed by light polishing.
f.
Discard the shaft seals and all 'O'
rings Replace defective or
discarded parts from kits.
ASSEMBLY
ASSEMBLE RAMP HOIST HYDRAULIC
PUMP
NOTE
Lubricate parts before reassembly using clean hydraulic fluid.
a
Install a new wiper (22), shaft oil seal
(21), and washers (20), In counterbore of
body (23) Soak both seals thoroughly
In hydraulic oil before Installing. Make
sure lipped edge of seal is toward inside
of body Use a suitable drift that will
not damage the seal during installation.
Lubricate the shaft oil seal journal with
petroleum jelly.
6-22
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