Isuzu N-Series. Service manual — part 969
7B-112 Automatic Transmission (Smoother)
15. Install the 1st — Reverse clutch hub assembly and
sleeve (1), and use an installer (5-8840-2345-0) to
press-fit.
16. Apply engine oil to the needle bearing and reverse
gear thrust surface. With the dog gear of the
reverse gear (3) facing downwards, use an installer
(5-8840-2345-0) to press-fit the needle bearing (2)
and collar (1).
17. Install the spacer (2).
N7A1220E
N7A1221E
Automatic Transmission (Smoother) 7B-113
18. With the stamped surface (4) of the bearing (1)
facing upwards and stamped surface (3) facing
downwards, use an installer (5-8840-2345-0) to
press-fit.
19. Install the 6th gear.
• Install with the convex portion facing
downwards.
N7A1222E
7B-114 Automatic Transmission (Smoother)
Special Tools
Illustration
Tool No.
Tool Name
5-8840-2345-0
Clutch Hub & Collar
Installer
5884023450
Automatic Transmission (Smoother) 7B-115
Counter Shaft (5-Speed)
Components
Disassembly
1. Use snap ring pliers to remove the snap ring that
fixes the bearing.
2. Use a bearing remover (5-8840-2587-0) to remove
the counter front bearing.
• Use a 303173 bearing remover insert and
44802 collet.
3. Use a bearing remover (5-8840-2587-0) to remove
the counter rear bearing.
• Use a 303173 bearing remover insert and
44802 collet.
Inspect each disassembled part. Replace or repair as
required if anything is worn or damaged or if any other
defect is discovered.
4. Inspect each gear profile for damage and wear. If
any abnormality is detected, replace the applicable
gear.
5. Inspect each of the bearings for the following
characteristics. If any abnormality is detected,
replace the applicable bearing.
• Smoothness of rotation
• Noise
• Damage, rust, or other visible abnormality
N7A1252E
Legend
1. Snap Ring
3. Counter Shaft Assembly
2. Counter Front Bearing
4. Counter Rear Bearing
N7A1253E
N7A1254E
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