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TM 5-2420-222-34
15-1.
BACKHOE DIPPERSTICK MAINTENANCE (Con’t).
NOTE
Perform steps 12 and 13 only on loader backhoes with
serial numbers 319995-342573.
12.
Using retaining ring pliers, remove two retaining rings (20)
from pin (21).
13.
Drive pin (21) out of dipperstick (2) with brass driftpin and
ball-peen hammer.
CAUTION
Do not remove bushings unless damaged. Removal may damage parts.
14.
Using remover and installer and ball-peen hammer, drive two bushings (16) out of dipperstick (2).
c.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame
or excessive heat. The solvent's flash point is 1000F-1380F (380C-590C). If you
become dizzy while using cleaning solvent, immediately get fresh air and medical
help. If solvent contacts eyes, immediately wash your eyes and get medical aid.
1.
Clean all metal parts with dry cleaning solvent and rags. Dry thoroughly with clean, dry rags.
2.
Inspect metal parts for cracks, breaks, and abnormal bends.
3.
Inspect dipperstick for damaged threads.
d.
REPAIR
Restore damaged dipperstick threads using screw threading set.
e.
ASSEMBLY
NOTE
Perform steps 1 and 2 only if bushings were removed.
1.
Using remover and Installer and ball-peen hammer, tap two bushings (16) in dipperstick (2).
TA701634
15-4
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