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TM 5-2420-222-20-3
BOOM-TO-BUCKET CYLINDER OIL LINES (SERIAL NUMBERS 319995 THRU 342573 ONLY)
This task covers:
a. Removal (page 2-1608)
c.
Inspection/Replacement (page 2-1615)
b. Cleaning (page 2-1614)
d.
Installation (page 2-1615)
INITIAL SETUP:
Tools
Materials/Parts
Blocks, wood
Detergent, GP (item 7, Appendix C)
Driftpin, brass-tipped, 3/4-inch
Lockwasher, clamp screw
Hammer, ball-peen, 2-pound head
Nut, stop, pin screw
Handle, ratchet, 3/8-inch drive
Packing, adapter
Handle, ratchet, 1/2-inch drive
Packing, connector
Knife, pocket
Rags, wiping (item 21, Appendix C)
Lifting equipment, 200-pound capacity
Solvent, dry-cleaning (item 28, Appendix C)
Pan, drain
Tags, marking (item 30, Appendix C)
Screwdriver, flat-tip, 1/4-inch
Socket, 3/8-inch drive, 9/16-inch
Personnel Required
Socket, 1/2-inch drive, 3/4-inch
Wrench, open-end, 3/4-inch
One
Wrench, open-end, 718-inch
Wrench, open-end, 1-inch
(two required)
Wrench, open-end, 1 1116-inch
ACTION
LOCATION
ITEM
REMARKS
NOTE
Both boom-to-bucket cylinder oil lines are maintained the same way except as noted. One side is
shown. Repeat procedures as needed for other 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 so that boom and
dipperstick 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)
2-1608
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