Power Steering Cylinder - TM-10-3930-618-340120

(4) Tap out seat (29) and spring (28) from

5-7. Power Steering Cylinder

link. Remove elbows (5) from tube assembly (10).

a. Description.

When hydraulic oil is under

(5) Remove lockring (14) holding spacer (15)

regulated pressure from the steering gear and enters the

in position and remove spacer.

power steering cylinder, the piston moves forward or

(6) Compress lockring (16) holding head (19)

back within a tube, depending on which side of the piston

cylinder assembly (10) and remove actuating rod (12)

hydraulic fluid is forced. The movement of the piston

with remaining components attached from cylinder

rod, with attached yoke, moves the steering axle pivot

assembly (10).

arm and attached tie rods.

(7) Carefully slide head (19) off rod (12) end

b. Removal.

and remove head seal (20), wiper (13), backup washer

Refer to TM 10-3930-618-20 for removal procedure.

(17), and packing (18) from head. Discard packing.

c. Disassembly.

(8) Remove nut (21) securing piston (24) to

(1) Refer to figure 5-8 and disassemble as

rod end and slide piston off rod.

follows:

(9) Remove two backup washers (22) and

(2) Remove cotter pin (1) and adjusting plug

packing (23) from piston (24). Discard packing.

(30) from end of steering link (3).

(10) Remove rod seal (25) from rod (12).

(3) Remove lubrication fitting (2) and plug (31)

(11) Check bearing (27) and lubrication fitting

from steering link and remove link and nut (4) from rod

(26) at tube end. If damaged, replace parts. Press

(12).

bearing from cylinder to remove.

Key to figure 5-8.

1 Cotter pin

2 Lubrication fitting

3 Link

4 Nut

5 Elbow

6 Pin

7 Lockwasher

8 Screw

9 Spacer

10 Cylinder assembly

11 Cylinder

12 Rod

13 Wiper

14 Lockring

15 Spacer

16 Lockring

17 Backup washer

18 Packing

19 Head

20 Head seal

21 Nut

22 Backup washer

23 Packing

24 Piston

25 Seal

26 Lubrication fitting

27 Bearing

28 Spring

29 Ball seat

30 Plug

31 Plug

5-10