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 TM 55-1905-221-14-2
5-13.
HYDRAULIC STARTING SYSTEMS.
a. The landing craft is fitted with a dual cranking system for the propulsion engines The inboard engine of each
.
propulsion unit is equipped with a hydraulic starting motor. See figure 5-9.
b. Energy required for hydraulic cranking is supplied by fluid stored under approximately 3,000 psi pressure in two
interconnected accumulators. These accumulators are charged first by a hand operated hydraulic pump, and then by
engine-driven pumps. They can 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 3,400 psi, which is the safe maximum pressure for this
system.
c.
The following is an index of the maintenance instructions:
DESCRIPTION
PARAGRAPH
Hydraulic Starting System Reservoirs ................................ ................................ ................................ .... 5-13.1
Hydraulic Starting Motor................................ ................................ ................................ ......................... 5-13.2
Solenoid Valve, Starting Motor Control................................ ................................ ................................ ... 5-13.3
Pump, Hydraulic Starter ................................ ................................ ................................ ......................... 5-13.4
Accumulator................................ ................................ ................................ ................................ ........... 5-13.5
Hydraulic Hand Pump ................................ ................................ ................................ ............................ 5-13.6
Hydraulic Starting Piping System ................................ ................................ ................................ ........... 5-13.7
5-201
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