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 TM 55-1905-220-14-6
3-137.9. DIRECTIONAL CONTROL VALVE - MAINTENANCE INSTRUCTIONS
(Continued).
This task covers:
a. Inspection
c. Disassembly
e.
Reassembly
b. Removal
d. Cleaning
f.
Installation
INITIAL SETUP
Test Equipment
References
None
None
Equipment
Special Tools
Condition
Condition
Description
None
None
Material/Parts
Special
Environmental Conditions
Gasket kit P/N 919428
None
Personnel Required
General Safety Instructions
1
1
Observe WARNING in procedure.
LOCATION
ITEM
ACTION
REMARKS
To avoid possible injury, turn off all electrical power and relieve
hydraulic pressure.
INSPECTION
1.
Direc-
a.
Tubing
Inspect for breaks,
tional
cracks, bends and
valve
leaking.
b.
Wiring
Inspect for breaks,
cracks and worn in-
sulation.
3-2263
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