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 TM 55-1905-221-14-2
RAMP HOIST CONTROL VALVE (Continued).
LOCATION/ITEM
ACTION
REMARKS
CLEANING
3.
Wash all parts in a clean mineral oil
solvent, and place on a clean surface.
INSPECTION
4.
a. Inspect mating surfaces of
valve bodies for paint or
burrs.
b. Inspect valve spools and
bores for scoring or burrs.
c. Inspect valve spool for
freedom of movement in bore.
d. Inspect relief valve for
smooth movement in its bore.
REPAIR
5.
a. Remove scoring and burrs from
valve spools or bores, using
crocus cloth.
b. Remove other burrs by light
stoning, or lapping.
c. Replace valve sections with a
new one if scored.
d. Replace other defective parts
as necessary.
5-87
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