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TM5-2420-222-34
14-10
BACKHOE STABILIZER AND BUCKET VALVES REPAIR.
This Task Covers:
a.
Disassembly
c.
Repair
b.
Cleaning and Inspection
d.
Assembly
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Backhoe control valve assembly disassembled
•
Abrasive cloth (Item 6, Appendix B)
(see) paragraph 14-9)
•
Thread sealing compound (Item 12, Appendix B)
•
Detergent (Item 13, Appendix B)
Tools/Test Equipment:
•
Hydraulic fluid (Item 15, Appendix B)
•
Rags (Item 28, Appendix B)
•
General mechanic's tool kit
•
Dry cleaning solvent (Item 31, Appendix B)
•
Field automotive shop set
•
One preformed packing kit
General Safety Instructions:
•
Dry cleaning solvent is flammable and must not be used near open flame. Use only in a well-ventilated area.
•
Compressed air used for cleaning purposes should never exceed 30 psi (207 kPa).
NOTE
Perform this task to repair both stabilizer valves and bucket valve. One stabilizer
valve Is shown. Repeat procedure for other valves.
a.
DISASSEMBLY
1.
Remove two capscrews (6), protective dust cap (5), bellows (4), and washer (3) from valve body (2).
2.
Position valve body (2) in vise with caps.
TA701580
14-50
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