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TM 5-2420-222-34
14-22.
BACKHOE SWING CYLINDER ASSEMBLIES REPAIR (Con’t).
NOTE
Loader backhoes with serial numbers 235786-235999 have a spacer plate. Loader
backhoes with serial numbers 319995-342573 do not have a spacer plate.
5.
Tighten vise. Remove setscrew (14) and spacer plate (15) from actuating cylinder (5).
6.
Using spanner wrench, loosen valve stem guide (16) from actuating cylinder (5). Slide valve stem guide back
7.
With the aid of an assistant, remove piston rod (11) with assembled parts from actuating cylinder (5).
8.
Remove actuating cylinder (5) from vise.
9.
Place piston rod (11) in vise with caps. Remove self-locking nut (6) from piston rod. Discard self-locking nut.
10.
Tap piston (8) with assembled parts loose and remove from piston rod (11). Remove piston rod from vise.
11.
Remove valve stem guide (16) with assembled parts from piston rod (11).
12.
Remove piston ring (7), wear ring (9), two preformed packings (23 and 24), and packing nut (22) from piston (8).
Discard wear ring and preformed packings.
13.
Remove preformed packing (21) and backup washer or ring (20) from valve stem guide (16). Discard preformed
packing and backup washer or ring.
14. Using retaining ring pliers, remove retaining ring (19) from valve stem guide (16).
TA701622
14-107
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