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 TM 55-1905-242-14
0019 00
HAND CHARGING PUMP AND VALVES
35.
Hand Charging Pump Handle
Inserted in this opening to allow the operator to stroke the pump.
36.
Hand Charging Pump Valve
Used to secure the hydraulic fluid supply to and from the pump. During
normal operation, the valve is CLOSED. The valve is OPEN when the
hand charging pump is being used to charge the accumulators.
37.
Hand Charging Pump Isolation Valve
Isolates the two sides of the hydraulic starting system. When the isola-
tion valve is CLOSED, the port and starboard hydraulic starting systems
operate independently from one another. In this configuration, the port
engine-driven pump charges only the port accumulators and the port
accumulators power only the port starter motor. The same is true for the
starboard side of the system. When the isolation valve is OPEN, both
sides of the hydraulic starting system work together. In this configura-
tion, either engine-driven pump may charge either pair of accumulators
and either pair of accumulators may power the starter for either engine.
37
36
35
0019 00-10
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