TM 9-2320-280-20-2
8-26. POWER STEERING SYSTEM HYDRAULIC CONTROL VALVE MAINTENANCE (Cont’d)
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
CAUTION
To ensure there is no load on the steering gear, position front
wheels straight ahead before starting engine. Failure to do this
may cause damage to the control valve.
Maintain power steering fluid level at all times while performing
back flush procedure to prevent air from entering power steering
system. Failure to do this may result in damage to equipment.
Start engine and allow to run for about two or three seconds and stop, check, and fill power steering
reservoir. Repeat the process once.
Remove pipe plug (2) from control valve (7).
Install control valve elbow (1) on control valve (7).
Remove steering gear hose (4) from control valve fitting (3) and install on control valve elbow (1).
Remove control valve fitting (3) from control valve (7) and install pipe plug (2) on control valve (7).
CAUTION
To ensure there is no load on the steering gear, position front
wheels straight ahead before starting engine. Failure to do this
may cause damage to the control valve.
Maintain power steering fluid level at all times while performing
back flush procedure to prevent air from entering power steering
system. Failure to do this may result in damage to equipment.
Start engine and allow to run for about two to three seconds and stop, check, and
reservoir. Repeat the process once.
Remove drain hose (5) from control valve elbow (6).
Remove steering gear hose (4) from control valve elbow (1).
Remove pipe plug (2) from control valve (7).
Install control valve fitting (3) on control valve (7).
Disconect battery ground cable (para. 4-73).
1. Inspect elbows (6) and (1) for damage. Replace elbows (6) or (1) if damaged.
2. Inspect valve fitting (3) for damage. Replace valve fitting (3) if damaged.
d. Installation
fill power steering
1.
2.
3.
4.
5.
8-80
NOTE
Perform step 1 only if control valve was removed.
Install control valve (7) on bracket (13) with clamp (10).
Connect steering gear hose (4) to control valve elbow (6) and tighten clamp (16) to 10-20 lb-in.
(1-2 N m).
Connect fan clutch hose (15) to control valve fitting (3) and tighten clamp (14) to 10-20 lb-in.
(1-2 N m).
Connect power steering return line hose (8) to control valve elbow (1) and tighten clamp (9) to 10-20-
lb-in. (1-2 N m).
Connect time delay module connector (11) to control valve connector (12).
