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TM 5-2420-222-20-3
BOOM-TO-BUCKET CYLINDER OIL LINES (SERIAL NUMBERS 235786 THRU 235999 ONLY)
This task covers:
a. Removal (page 2-1598)
c.
Inspection/Replacement (page 2-1603)
b. Cleaning (page 2-1602)
d.
Installation (page 2-1604)
INITIAL SETUP:
Tools
Materials/Parts - Continued
Handle, ratchet, 3/8-inch drive
Packing, coupler (two required)
Knife, pocket
Packing, cylinder-to-adapter (two required)
Pan, drain
Rags, wiping (item 21, Appendix C)
Socket, 3/8-inch drive, 9/16-inch
Solvent, drycleaning (item 28, Appendix C)
Wrench, open-end, 7/8-inch
Tags, marking (item 30, Appendix C)
Wrench, open-end, 1-inch
Wrench, open-end, 1 1/16-inch
Personnel Required
Materials/Parts
One
Detergent, GP (item 7, Appendix C)
Lockwasher, clamp screw
ACTION
LOCATION
ITEM
REMARKS
NOTE
Both boom-to-bucket cylinder oil lines are maintained the same way except as
noted. One oil line is shown. Repeat procedures as needed for second oil line.
REMOVAL
1. Loader backhoe
Boom, dipperstick,
a.
Extend as far as possible
and bucket
(TM 5-2420-222-10).
b.
Lower to ground until boom and dipper-
stick are horizontal
(TM 5-2420-222-10).
2.
Hydraulic system
Release pressure (page 2-1191).
3. Boom (1), three
Screw (6)
Using 9/16-inch, 3/8-inch drive socket
clamps (2 thru 4)
and ratchet handle, unscrew and take out.
and spacer (5)
2-1598
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