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 TM 55-1905-221-14-1
4-27.
RAMP HOISTING ASSEMBLY.
a. The ramp hoisting arrangement consists of a hoisting cable deadened to one side of the craft, running through
the fairlead sheaves, through the ramp, and to a winch on the opposite side. The winch is on the port side.
b. Winches are powered by hydraulic motors. Other system components include a four way control valve,
counterbalance valve, two engine driven pumps, two check valves, suction line strainers, and return line filters.
c. Emergency lowering of the ramps accomplished by a manual brake release. Two chain hoists are stored in the
lazarette to be used for emergency lifting of the ramp.
4-77
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