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TM 5-2420-222-20-3
BACKHOE CONTROL VALVE-TO-MANIFOLD OIL LINES (SERIAL NUMBERS 235786 THRU 235999 ONLY)
This task covers:
a. Removal (page 2-1429)
c.
Inspection/Replacement (page 2-1432)
b. Cleaning (page 2-1431)
d.
Installation (page 2-1432)
INITIAL SETUP:
Tools
Materials/Parts - Continued
Knife, pocket
Rags, wiping (item 21, Appendix C)
Pan, drain
Solvent, drycleaning (item 28, Appendix C)
Wrench, box, 1 1/4-inch
Tags, marking (item 30, Appendix C)
Wrench, open-end, 1 1/16-inch
Wrench, open-end, 1 1/4-inch
Personnel Required
(two required)
Wrench, open-end, 1 3/8-inch
One
Materials/Parts
Equipment Condition
Detergent, GP (item 7, Appendix C)
1.
Hydraulic system pressure released
Packing, elbow (page 2-1191)
Packing, union adapter
2.
Backhoe valve box cover removed
(page 2-1157)
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
NOTE
Both backhoe control valve-to-manifold block oil lines are maintained the same
way. Return oil hose must be disconnected at backhoe control valve and capped in
order to remove pressure oil line.
2-1429
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