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 TM 55-1905-222-14
MAINTENANCE OF HYDRAULIC STARTING SYSTEM
5-47
REPLACE CONTROL VALVE (STARTING SYSTEM).
This task covers:
a. Removal
b.
Installation
INITIAL SETUP
Tools:
Equipment Conditions:
Tool Kit, Mechanic's, Rail
Engine shut down
and Marine
Hydraulic starting system
drained of oil at valve
Torque Wrench
Accumulator valves closed
General Safety Instructions
Ensure that hydraulic pressure
in the system is relieved before
working on system
REMOVAL
REMOVE CONTROL VALVE
WARNING
To prevent possible injury to personnel or damage to equipment, the oil pressure in the system
must be released prior to servicing the hand pump or any other components of the system.
a
Remove battery ground lead.
b
Disconnect and tag electrical leads
(1) at control valve (2).
c. Relieve pressure in hydraulic starting system by
opening accumulator blowdown valve.
d. Remove male connector (3) from control valve
discharge port. Remove reducing hex nipple (4)
from control valve inlet port.
e. Remove mounting bolts (5) and remove valve
(2).
5-122
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