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TM 5-2420-222-20-3
BACKHOE BUCKET LINKAGE
This task covers:
a.
Removal (page 2-1818)
c.
Inspection/Replacement (page 2-1822)
b.
Cleaning (page 2-1818)
d.
Installation (page 2-1822)
INITIAL SETUP
Tools
Materials/Parts
Driftpin, brass-tipped, 3/4-inch
Rags, wiping (item 21, Appendix C)
Hammer, cross-peen, 3-pound head
Solvent, drycleaning (item 28, Appendix C)
NOTE
NOTE
The following tool only applies
The following parts only apply
to loader backhoes with linkage
to loader backhoes with linkage
pins retained by retaining rings.
pins retained by cotter pins.
Pliers, retaining ring
Pin, cotter, dipperstick pin (two required)
Pin, cotter, guide link pin (two required)
NOTE
Pin, cotter, coupler link pin (two required)
The following tools only apply
Personnel Required
to loader backhoes with linkage
pins retained by cotter pins.
Two
Pliers, slip-joint, multiple tongue
and groove
Punch, drive-pin, straight, 1/4-inch
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
NOTE
Some loader backhoes have linkage pins retained by retaining rings, some have pins retained by
cotter pins. For loader backhoes that are equipped with retaining rings, skip steps 1 and 2.
1.
Pin (1) and
Two cotter pins (3)
a.
Using multiple tongue and groove slip-
two special
joint pliers, straighten ends.
washers (2)
b.
Using 3-pound head cross-peen
hammer and 1/4-inch straight drive-pin
punch, drive out.
c.
Get rid of.
2-1818
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