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TM 5-2420-222-34
14-20.
BACKHOE BOOM CYLINDER ASSEMBLY REPAIR (Con’t).
6.
Coat two new preformed packings (16 and 18), new V-packing (15) and new packing retainer (19) with hydraulic
fluid.
NOTE
Loader backhoes with serial numbers 235786-235999 have a backup washer.
Loader backhoes with serial numbers 319995-342573 have a packing retainer.
7.
Install two preformed packings (16 and 18), V-packing (15) and packing retainer (19) in place on piston (17).
8.
Place piston rod (8) in vise with caps. Tap piston (17) with assembled parts in place on piston rod.
9.
Coat piston ring (6) and new wear ring (14) with hydraulic fluid.
10.
Install piston ring (6) and wear ring (14) in place on piston (13). Tap piston with assembled parts in place on
piston rod (8).
TA701613
14-97
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