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 TM 55-1905-221-14-1
4-32.
HYDRAULIC STARTING SYSTEM PIPING (Continued).
Location/Item
Action
Remarks
SERVICE
2. Piping
Using detergent and water
solution, remove all foreign
matter from valves, pumps,
accumulators, and associated
piping. If leaks or other
accumulation of foreign matter
persist, notify your supervisor.
4-33.
HYDRAULIC STARTING SYSTEM.
a. The landing craft is fitted with a dual cranking system for the propulsion engines. The outboard engine of each
propulsion unit is equipped with an electric starting motor and each inboard engine is cranked by a hydraulic starting
motor.
b. Energy required for hydraulic cranking is supplied by fluid stored under approximately 3000 psi pressure in two
interconnected accumulators. These accumulators are charged first by a hand operated hydraulic pump and then by
engine driven pumps. They will not be overcharged during long periods of engine operation because of pressure
control built into the pumps. There is also a system relief valve set at 3400 psi, which is the safe maximum pressure
for the system.
4-118
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