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TM 5-2420-222-34
14-23.
BACKHOE STABILIZER CYLINDER ASSEMBLIES REPAIR (Con’t).
d.
ASSEMBLY
NOTE
Perform step 1 only if sleeve bushings were removed.
1.
Drive sleeve bushings (9 or 19) in piston rod (10) or actuating cylinder (1).
2.
Coat new rod packing (18), new wear ring (17), two new preformed packings (14 and 15), and new wiper seal (12)
with hydraulic fluid.
3.
Install rod packing (18), wear ring (17), two preformed packings (14 and 15), and wiper seal (12) in place on rod
guide (16).
4.
Using retaining ring pliers, install retaining ring (8) in rod guide (16).
5.
Install nut (11), cylinder roller bearing (13), and rod guide (16) with assembled parts in place on piston rod (1).
6.
Coat new preformed packing (6) and new packing assembly (5) with hydraulic fluid.
7.
Install preformed packing (6) and packing assembly (5) i place on piston (7).
8.
Place piston rod (10) in vise with caps. Tap piston (7) with assembled parts in place on piston rod.
9.
coat new piston ring (3) with hydraulic fluid.
10.
Install piston ring (3) in place on piston (4). Tap piston with assembled parts in place on piston rod (10).
11.
Install new self-locking nut (2) on piston rod (10) and remove piston rod from vise.
12.
Place actuating cylinder (1) in vise with caps. With the aid of an assistant, install piston rod (10) with assembled
parts in actuating cylinder.
13.
Using spanner wrench, tighten nut (11) in actuating cylinder (1).
14.
Remove actuating cylinder (1) with assembled parts from vise.
14-114
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