Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 1995

STEERING  3B-59

  INSPECTION AND REPAIR (C22, C20 Series Engine Model)

Make all necessary adjustments, repairs, and part replacements if wear, damage, or other problems are discovered
during inspection.

Rotor

Check that the groove in the vane is free from excessive wear
and that the vane slides smoothly.
When part replacement becomes necessary, the pump
cartridge should preferably be replaced as a sub assembly.

Vane

Sliding faces of the vane should be free from wear.
(particularly the curved face at the tip in contact with the cam
should be free from wear and distortion.)
When part replacement becomes necessary, the pump
cartridge should preferably be replaced as a sub assembly.

Cam

The inner face of the cam should have a trace of uniform
contact without a sign of step wear.
When part replacement becomes necessary, the pump
cartridge should preferably be replaced as a sub assembly.

Pressure Plate and Thrust Plate

The sliding faces of the parts must be free from step wear
(more than 0.01 mm) which can be felt by the finger nail.
The parts with minor scores may be reused after lapping the
face.

Shaft

Oil seal sliding faces must be free from a step wear which can
be felt by the finger nail.

3B-60  STEERING

  REASSEMBLY (C22, C20 Series Engine Model)

Reassembly Steps

1. Rear housing
2. Pin
3. Cam
4. Rotor and vane

! 5. Pressure plate

6. Front housing
7. O-ring
8. O-ring
9. Gasket

10. Rear housing assembly and pump

cartridge

!11. Bolt
!12. Oil seal

13. Retaining ring

14. Shaft
15. Bearing

!16. Shaft assembly
!17. Retaining ring

18. Pressure switch
19. Spring
20. Filter
21. Retaining ring
22. Valve
23. O-ring

!24. Connector

25. O-ring
26. Pipe, suction
27. Bolt

STEERING  3B-61

5. Pressure Plate
When installing the pressure plate, align the projection of
pressure plate with the grove of oil pump body.

Rotor

Place the rotor so that specified mark " turns down.
Note :
When part replacement becomes necessary, the pump
cartridge should be replaced as a sub assembly.

Cam

When installing the cam, align the projection of cam with the
grove of oil pump body.
Install the cam with the pin "A" side turn down.

Vane

The round end of the vane should be matched to the inner
surface of the cam ring.

11.Cover and Bolt

Torque

N

⋅m (kgf⋅m/lb⋅ft)

53.9

±4.9 (5.5±0.5 / 39.8±3.6)

3B-62  STEERING

Important Operations

12.Oil Seal
Apply compressed air to the inside of the oil pump body.
Use the bench press and oil seal installer.
Oil Seal Installer : 5-8840-2205-0

16.Shaft and Bearing
Install the bearing to the shaft with a bench press and bearing
installer.
Bearing installer : 5-8840-2206-0

Use a bench press and bearing installer to slowly force the
shaft from front side of the oil pump body.
Bearing Installer : 5-8840-2206-0

17.Snap Ring
Use a pair of snap ring pliers to install the snap ring.

24.Connector

Torque

N

⋅m(kgf⋅m/lb⋅ft)

53.9

±4.9 (5.5±0.5 / 39.8±3.6)