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TM 5-2420-222-34
11-2.
STEERING CYLINDER ASSEMBLIES MAINTENANCE (Con’t).
SERIAL NUMBERS 319995-342573
5.
Coat new preformed packing (36), new piston seal (35), new preformed packing (34), two new spacer rings (37),
and new wiper ring (38) with hydraulic fluid.
6.
Install wiper ring (38), two spacer rings (37), preformed packing (34), piston seal (35), and preformed packing (36)
in place on valve piston (39).
7.
Install valve piston (39) with assembled parts in place on piston rod (17).
NOTE
Steps 8 through 13 apply only to loader backhoes with serial numbers 235786-
235999.
8.
Coat new wiper seal (31), new rod seal (30), new backup leather (28), and new preformed packing (27) with
9.
Install rod seal (30), wiper seal (31), backup leather (28), and preformed packing (27) in place on retainer (29).
10.
Install retainer (29) with assembled parts in place on piston rod (17).
11.
Coat new wear ring (26), new preformed packing (23), and new piston seal (24) with hydraulic fluid.
12.
Install wear ring (26), preformed packing (23), and piston seal (24) in place on piston (25).
13.
Install piston (25) with assembled parts in place on piston rod (17).
14.
Place piston rod (17) in a vise with caps. Install new self-locking nut (22) on piston rod. Torque nut to 65-80 lb.-ft.
(88-108 N•m). Remove piston rod from vise.
15.
Place actuating cylinder (16) in a vise with caps.
16.
Using piston ring compressor and the aid of an assistant, install piston rod (17) with assembled parts in actuating
cylinder (16).
NOTE
Step 17 applies only to loader backhoes with serial numbers 319995-342573.
17.
Slide valve stem guide (42) against actuating cylinder (16). Using spanner wrench, install valve stem guide in
actuating cylinder.
TA701482
11-13
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