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TM 5-2420-222-20-3
MANIFOLD BLOCK-TO-BOOM JAW CONTROL OIL HOSES (SERIAL NUMBERS 235786 THRU 235999 ONLY
This task covers:
a.
Removal (page 2-1522)
c.
Inspection/Replacement (page 2-1524)
b.
Cleaning (page 2-1524)
d.
Installation (page 2-1525)
INITIAL SETUP
Tools
Materials/Parts - Continued
Pan, drain
Tape, lacing and tying
Wrench, open-end, 3/4-inch
(item 33, Appendix C)
Wrench, open-end, 7/8-inch
Wrench, open-end, 1-inch
Personnel Required
Materials/Parts
Two
Detergent, GP (item 7, Appendix C)
Rags, wiping (item 21, Appendix C)
Solvent, drycleaning
(item 28, Appendix C)
Tags, marking (item 30, Appendix C)
ACTION
LOCATION
ITEM
REMARKS
NOTE
Both manifold block-to boom jaw control oil hoses are maintained the same way. Oil hose to jaw
cylinder rod end is shown. Repeat procedures as needed for oil hose to jaw cylinder head end.
REMOVAL
1. Loader backhoe
Boom, dipperstick,
a.
Extend as far as possible
and bucket
(TM 5-2420-222-10).
b.
Lower to ground so that boom and
dipperstick are horizontal
(TM 5-2420-222-10).
2. Hydraulic system
Release pressure (page 2-1191).
2-1522
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