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TM 5-2420-222-34
14-20.
BACKHOE BOOM CYLINDER ASSEMBLY REPAIR (Con’t).
NOTE
Loader backhoes with serial numbers 235786-235999 have a backup washer.
Loader backhoes with serial numbers 319995-342573 have a packing retainer.
13.
Remove backup washer or packing retainer (19) and preformed packing (18) from piston (17). Discard backup
washer or packing retainer and preformed packing.
14.
Using retaining ring pliers, remove retaining ring (20) from valve stem guide (11).
15.
Remove V-packing (7), wear ring (12), and wiper seal (10) from valve stem guide (11). Discard V-packing, wear
ring, and wiper seal.
16.
Remove lubrication fitting (2) from piston rod (8).
TA701612
14-95
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