Isuzu N-Series. Manual - part 850

MANUAL TRANSMISSION 7B-61

38. Install the shift fork and the support bolt.

• Refer to CLUTCH.

39. Install the shift block assembly.

• Refer to CLUTCH.

Fixing Torque

Special Tools

N7A0366E

Illustration

Tool Number / 

Description / Remarks

5-8840-0007-0 / Grip

5884000070

5-8840-0084-0 / Sliding 

Hammer

Illustration

Tool Number / 

Description / Remarks

5884000840

7B-62 MANUAL TRANSMISSION

5-8840-0027-0 / Bearing 

Remover

5-8840-2043-0 / Flange 

Holder

5-8840-2558-0 / Oil Seal 

Installer

5-8840-2750-0 / Oil Seal 

Installer

5-8840-2752-0 / Bearing 

Installer

5-8840-2755-0 / Bush 

Remover & Installer

5-8840-2244-0 / Bearing 

Installer

Illustration

Tool Number / 

Description / Remarks

5884000270

5884020430

5884025580

5884027500

5884027520

5884027550

5884022440

5-8840-2793-0 / Oil Seal 

Protector

Illustration

Tool Number / 

Description / Remarks

5884027930

MANUAL TRANSMISSION 7B-63

Top Gear Shaft

Components

Disassembly

1. Remove the block ring from the top gear shaft.
2. Remove the needle bearing from the top gear

shaft.

Caution:
As the needle bearing is of separation type, make sure
not to drop and damage the roller.

3. Remove the snap ring using snap ring pliers.
4. Remove the bearing by a press using a bearing re-

mover.

Inspect each part. If any wear, damage or other ab-
normality is found, repair or replace the part.

5. Inspect the gear tooth, spline part and the sliding

part of the top for damage and wear. If any abnor-
mality is found, replace them with new ones.

6. Inspect each bearing regarding the following items.

If any abnormality is found, replace it with a new
one.

• Smoothness of rotation
• Noise
• Abnormal external appearance, including dam-

age, rust, etc.

• Abnormal free play in thrust direction
• Discoloration, excessive wear and pitching of

the rolling body and surface of the needle bear-
ing

Assembly

1. Press the bearing using the installer 5-8840-2345-

0.

Legend

1. Snap ring

4. Needle bearing

2. Bearing

5. Block ring

3. Top gear shaft

1

2

3

4

5

N7A0367E

N7A0368E

7B-64 MANUAL TRANSMISSION

2. Install the snap ring using snap ring pliers.
3. Install the needle bearing to the top gear shaft.
4. Apply engine oil 5W-30 sufficiently to the internal

surface of the block ring, and install the block ring
to the top gear shaft.

Special Tools

Main Shaft (5MT)

Components

N7A1193E

Illustration

Tool Number / 

Description / Remarks

5-8840-2345-0 / Clutch 

Hub & Collar Installer

5884023450

N7A0370E