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 TM 55-1905-221-14-1
4-27. RAMP HOISTING ASSEMBLY (Continued).
Location/Item
Action
Remarks
SERVICE (Cont)
e. Place control valve (5) in
neutral.
f. Fill lines and pumps by
loosening pump discharge
hoses (6) at union swivel.
Tighten hose when oil appears.
g. Turn pumps over slowly, with
engines idling, to draw oil
into pumps. Oil level will
drop as system fills. Con-
tinue adding oil to tank
throughout filling operation.
h. Continue purging air from
system.
CAUTION
Air in system will cause spongy, erratic operation of winch or rapid fluctuation of oil level.
4-84
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