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TM 5-2420-222-20-3
BOOM-TO-BACKHOE CONTROL VALVE HYDRAULIC IMPACTOR RETURN OIL LINE (SERIAL NUMBERS 319995
THRU 342573 ONLY) - CONTINUED
NOTE
FOLLOW-ON MAINTENANCE: Install backhoe valve box cover (page 2-1157).
TASK ENDS HERE
HYDRAULIC IMPACTOR FLOW REGULATOR-TO-BOOM OIL LINE (SERIAL NUMBERS 235786 THRU 235999
ONLY)
This task covers:
a. Removal (page 2-1500)
c.
Inspection/Replacement (page 2-1502)
b. Cleaning (page 2-1502)
d.
Installation (page 2-1502)
INITIAL SETUP:
Tools
Materials/Parts - Continued
Handle, ratchet, 1/2-inch drive
Rags, wiping (item 21, Appendix C)
Pan, drain
Solvent, drycleaning (item 28, Appendix C)
Socket, 1/2-inch drive, 9/16-inch
Tags, marking (item 30, Appendix C)
Wrench, box, 9/16-inch
Tape, lacing and tying (item 33,
Wrench, open-end, 1 1/8-inch
(Appendix C)
Wrench, open-end, 1 1/4-inch
Wrench, open-end, 1 3/8-inch
Personnel Required
Materials/Parts
Two
Detergent, GP (item 7, Appendix C)
Equipment Condition
Nut, special, clamp screw
Hydraulic system pressure released
(page 2-1191)
2-1499
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