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 TM 55-1905-221-14-2
5-6.2. RAMP HOIST CONTROL VALVE
The control valve is a four-way directional valve with an inlet port, two motor ports, and an t utlet. The valve
opor
consists of a body incorporating a sliding spool, centering springs, and check valves. The inlet section contains a relief
valve assembly which is set at 2000 psi. The control valve is a Vickers CM2-NO2-R20B-L30.
This task covers:
a.
Removal
b.
Disassembly
d.
Inspection
f. Reassembly
c.
Cleaning
e.
Repair
g. Installation
INITIAL SETUP
Test Equipment
References
NONE
NONE
Equipment
Special Tools
Condition Condition Description
Paragraph
NONE
NONE
Tools
General Mechanic's Tool Kit
NSN 5180-00-629-9783
Material/Parts
Special Environmental Conditions
Tags
NONE
Mineral oil solvent
Petroleum jelly
Clean cloths
Packing
Hydraulic fluid
Personnel Required
General Safety Instructions
MOS 61C10
NONE
5-80
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