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 TM 55-1905-222-14
MAINTENANCE OF RAMP HOIST CONTROL VALVE
5-17
REPLACE RAMP HOIST CONTROL VALVE.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Tools:
Equipment Conditions:
Tool Kit, Mechanic's, Rail
Engine shut down
and Marine
Ramp hydraulic system drained
of oil at the control valve
General Safety Instructions:
Ensure that hydraulic pressure
in the system is relieved before
working on system.
REMOVAL
WARNING
The oil pressure in the system must be released prior to servicing
the pump or other parts to prevent possible injury to personnel or
equipment.
1.
REMOVE CONTROL VALVE LINK LEVER.
Disconnect operating lever link.
2.
REMOVE RAMP HOIST CONTROL VALVE.
a.
Clean hose connections (1, 2, and 3),
disconnect, and cap open ends. Tag hoses to
assure proper reconnection.
b.
Disconnect return line (4).
c.
Remove mounting bolts (5), and remove
control valve (6).
5-40
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