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TM5-2420-222-34
14-9.
BACKHOE CONTROL VALVE ASSEMBLY REPAIR.
This Task Covers:
a.
Disassembly
c.
Repair
b.
Cleaning and Inspection
d.
Assembly
Initial Setup.
Equipment Conditions:
Materials/Parts:
•
Backhoe control valve assembly removed (see
•
Hydraulic fluid (Item 15, Appendix B)
TM 5-2420-222-20)
•
Rags (Item 28, Appendix B)
Tools/Test Equipment:
•
Dry cleaning solvent (Item 31, Appendix B)
•
General mechanic's tool kit
•
Five lockwashers
•
Field automotive shop set
•
Twenty-one preformed packings
General Safety Instructions:
•
Dry cleaning solvent is flammable and must not be used near open flame. Use only in a well-ventilated area.
a.
DISASSEMBLY
1.
Using machinist's scriber, match-mark control valve
assembly (1) components to ensure proper assembly.
TA701575
14-45
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