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TM 5-2420-222-20-3
HYDRAULIC EARTH DRILL BLEED OIL LINE
This task covers:
a.
Removal (page 2-1550)
d.
Inspection/Replacement (page 2-1554)
b.
Disassembly (page 2-1552)
e.
Assembly (page 2-1554)
c.
Cleaning (page 2-1552)
f.
Installation (page 2-1554)
INITIAL SETUP
Tools
Materials/Parts - Continued
Handle, ratchet, 318-inch drive
Detergent, GP (item 7, Appendix C)
Pan, drain
Nut, special
Pliers, diagonal-cutting
Rags, wiping (item 21, Appendix C)
Pliers, slip-joint
Solvent, drycleaning (item 28, Appendix C)
Socket, 318-inch drive, 9/16-inch
Strap, electrical tiedown (item 29,
Wrench, open-end, 9116-inch
Appendix C) (as required)
Wrench, open-end, 11116-inch
Tags, marking (item 30, Appendix C)
Wrench, open-end, 3/4-inch
Tape, lacing and tying (item 33, Appendix C)
Wrench, open-end, 1 1/8-inch
Personnel Required
Materials/Parts
Two
Band
ACTION
LOCATION
ITEM
REMARKS
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).
WARNING
Be careful when draining hot fluids. Wear gloves to protect your hands from hot parts and fluids
or severe burns could result.
2.
Elbow (1)
Hose (2)
a.
Place drain pan underneath.
b.
Using 9/16-inch and 11/16-inch open-
end wrenches, unscrew and take out.
c.
Tag (page 2-137).
d.
Get rid of drained fluid (page 2-137).
3.
Adapter (3)
Elbow (1)
a.
Note relative position for proper
placement during assembly.
2-1550
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