TM 9-2320-260-34-2
I
12-7. POWER STEERING ASSIST CYLINDER MAINTENANCE
THIS TASK COVERS:
a. Disassembly
c. Assembly
b. Cleaning and Inspection
INITIAL SETUP
MATERIALS/PARTS (Contd)
APPLICABLE MODELS
All
Helical spring (Appendix D, Item 522)
Lubricating oil (Appendix C, Item 21)
TOOLS
REFERENCES (TM)
General mechanic's tool kit
LO 9-2320-260-12
(Appendix B, Item 1)
Retaining ring pliers (Appendix B, Item 116)
TM 9-2320-260-20
TM 9-2320-260-34P-1
MATERIALS/PARTS
EQUIPMENT CONDITION
Seal (Appendix D, Item 435)
Wiper ring (Appendix D, Item 345)
Power steering assist cylinder removed
Back-up ring (Appendix D, Item 344)
(TM 9-2320-260-20).
preformed packing (Appendix D, Item 306)
Thoroughly clean exterior of steering assist cylinder (3).
1.
NOTE
Have drainage container ready to catch oil.
Hold ports downward and push piston rod (7) in and out to remove oil from steering assist
2.
cylinder (3).
3.
Remove three screws (12), seal retainer (11), wiper ring (10), and retainer plate (9) from steering
assist cylinder (3). Discard wiper ring (10).
Push gland (6) in and remove retaining ring (8) from large end of steering assist cylinder (3).
4.
Remove gland (6), piston (5), and piston rod (7) as an assembly from large end of steering assist
5.
cylinder (3).
Remove power cylinder nut (4) from piston rod (7).
6.
Turn piston assembly (5) counterclockwise to remove from piston rod (7).
7.
Remove gland (6) from piston rod (7).
8.
9.
Using retaining ring pliers, remove retaining ring (16) from gland (6).
Remove flat washer (18), seal (15), flat washer (17), ring spacer (14), backup ring (19), and
10.
preformed packing (13) from gland (6). Discard seal (15), backup ring (19), and preformed
packing (13).
11.
Remove two ball seats (1) and helical spring (2) from steering assist cylinder (3). Discard helical
spring (2).
b. Cleaning and Inspection
NOTE
No repairs are to be made on parts. If parts are damaged, install
new power steering assist cylinder.
1. For general cleaning instructions, refer to para. 2-8.
2. For general inspection instructions, refer to para. 2-9.
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