Isuzu N-Series. Manual - part 126

POWER STEERING 3B1-23

2. Ball, Tube, Tube Grip, Screw and Washer

Be careful not to lose the ball when remove the ball
tube.

Number of Balls: 28

3. Seal Ring

4. O-ring
5. O-ring

Using needle, scriber or equivalent.

6. Valve housing and worm shaft assembly.

Inspection and Repair

Refer to “Power Steering Unit” in this section.

Reassembly

1. Valve housing and worm shaft assembly
2. O-ring
3. O-ring
4. Seal Ring

When the O-ring and seal ring are installed, use in-
staller for alignment.

5. Piston Assembly
6. Ball, Tube, Tube Grip, Screw and Washer

1) Put the valve housing assembly (1) horizontal-

ly. Insert the ball (2) into the ball tube hole in the
piston (3) while rotating the stub shaft (4). Thus,
the ball can be easily mounted.

2) Apply a sufficient amount of grease to the inner

surface of the tube (1). Put and paste the balls
(2) to the inner surface of the tube. Then, put
the other ball tube onto the tube to which
grease has been applied and the balls have
been pasted.

Legend

1. Stub shaft
2. Valve housing
3. Piston

N3A0150E

N3A0151E

N3A0175E

N3A0176E

3B1-24 POWER STEERING

3) Then, tighten the screw.

Tighten:

• Tube screw to 5 N

⋅m (0.5 kg⋅m / 43 lb⋅in)

Legend

1. Tube
2. Tube grip

N3A0177E

N3A0178E

POWER STEERING 3B1-25

Body Assembly

Disassembly

1. Y-gasket
2. Back Up Ring
3. Oil Seal
4. Body
5. Stud

Inspection and Repair

Refer to “Power Steering Unit” in this section (3B1-15).

Reassembly

Note the direction of installation.
Apply grease to these parts.

1. Body
2. Oil Seal

Using installer.

Legend

A. NHR, NKR

3. Oil seal

B. NPR, NQR, NPS

4. Body

1. Y-gasket

5. Stud

2. Back up ring

4

A

B

1

2

3

4

5

1

2

3

N3A0458E

N3A0460E

3B1-26 POWER STEERING

3. Y-gasket
4. Back Up Ring

When the back up ring is installed, use installer (1)
for alignment.

5. Stud

Tighten:

• Stud to 40 N

⋅m (4.1 kg⋅m / 29.5 lb⋅ft)

Legend

1. Installer
2. Oil seal

1

2

N3A0186E

1

N3A0187E