Subaru XT 1988 Service Manual page 912

4-3
STEERING SYSTEM
INSPECTION
Perform following inspection procedures and repair or replace defective parts.
No. Part name
1.
Front body
2.
Rear body
3.
Shaft
4.
Pressure plate
5.
Cam case
6.
Cam ring
7.
Vane
8.
Rotor
9.
Control valve
10. Connector
11.
Spring
12.
Bolts and nuts
ASSEMBLY
1) Reassembly precautions
Description
Remedy
1 )
Damage on body surfaces Replace with a new one together with
2)
Excessive wear on hole into which control
control valve as selective fit is made.
valve is inserted.
3)
Wear and damage on cartridge ASSY mounting
surface
4)
Wear and damage on surfaces in contact with
shaft and oil seal
5)
Wear or damage to ball bearing or bushing
1)
Damage on body surfaces
Replace with a new one.
2)
Wear and damage on sliding surfaces
1 )
Shaft bend
Replace with a new one.
2)
Wear and damage on surfaces in contact with
bushing and oil seal
3)
Wear and damage on rotor mounting surfaces
Wear and damage on sliding surfaces
Replace with a new one.
1 )
Damage on inner surfaces
Replace with a new one.
2)
Damage on O-ring fitting grooves
Ridge wear on sliding surfaces
Excessive wear on nose radius and side surfaces
If damage is serious, replace with a new
1 )
Wear and damage on sliding surfaces
cartridge ASSY.
2)
Ridge wear on vane sliding grooves (If light
leaks with vane in slit against light source)
3)
Damage resulting from snap ring removal Correct with oil stone. If damage is
serious, replace with a new cartridge
ASSY.
Damage or burrs on sliding surface periphery Replace with a new one together
with front body as selective fit is
made.
Damage on threads Replace with a new one.
Damage Replace with a new one.
Damage on threads
Replace with a new one.
(3) Reassembly procedure must be performed in clean
place. Ensure that parts are kept away from waste threads
or other dust particles.
(1) Whenever O-rings, oi I seals, and snap rings are re-
moved, they must be replaced with new ones.
(4) Cleaning oil tends to stay inside the front body.
Remove it completely by blowing compressed air.
(5) Ensure that parts are free from rust. (Use specified
hydraulic oil for rust prevention after cleaning and dry-
ing.)
(2) Thoroughly wash parts and allow to dry. They must
be kept free from cleaning oil and dust.
66
i