Isuzu N-Series. Service manual — part 811
7B-14 MANUAL TRANSMISSION (MSB)
Tighten:
Clutch housing to flywheel housing bolts to
• M10: 46 N
⋅m (4.7 kg⋅m / 34 lb⋅ft)
• M12: 91 N
⋅m (9.3 kg⋅m / 67 lb⋅ft)
MANUAL TRANSMISSION (MSB) 7B-15
UNIT REPAIR
Major Components
Legend
1. Mission mounting assembly
22. 3rd/4th shift block
2. Release bearing assembly
23. 3rd/4th shift rod
3. Shift fork and support bolt
24. Spring pin
4. Clutch housing
25. 1st/2nd shift block
5. Parking brake drum
26. 1st/2nd shift rod
6. Lock nut
27. Interlock ball
7. Coupling driver
28. 5th/Reverse shift arm
8. Parking brake assembly
29. 3rd/4th shift arm
9. Vehicle speed sensor driven gear assembly
30. 1st/2nd shift arm
10. Rear cover
31. Counter shaft rear bearing
11. Vehicle speed sensor drive gear
32. Counter shaft front bearing
12. Spacer
33. Top gear shaft assembly
13. Control box assembly
34. Main shaft rear bearing
14. Detent spring
35. Main shaft assembly
15. Detent ball
36. Side cover
N7A0062E
7B-16 MANUAL TRANSMISSION (MSB)
Disassembly
1. Mission Mounting Assembly
2. Release Bearing Assembly
3. Shift Fork and Support Bolt
4. Clutch Housing
• Remove the clutch housing from the transmis-
sion case.
• Use the screwdriver to remove the oil seal from
the clutch housing.
Caution:
Take care not to damage the sealing seat of the clutch
housing.
5. Parking Brake Drum
• Remove the screw and the adjust hole cover.
• It may be necessary to back off the shoe adjust-
er.
16. Spring pin
37. Reverse idle gear shaft
17. 5th/Reverse shift block
38. Reverse idle gear
18. 5th/Reverse shift rod
39. Thrust washer
19. Spring pin
40. Conical washer
20. Interlock pin
41. Counter shaft assembly
21. Interlock ball
N7A0063E
N7A0064E
N7A0065E
N7A0066E
MANUAL TRANSMISSION (MSB) 7B-17
6. Lock Nut
• Make sure to raise the caulking of the coupling
driver lock nut.
• Use the handle to remove the lock nut.
Handle: 5-8840-2043-0
7. Coupling Driver
• Remove coupling driver using the universal
puller.
Universal Puller: 5-8840-2027-0
• Remove the conical washer and the O-ring.
8. Parking Brake Assembly
9. Vehicle Speed Sensor Driven Gear Assembly
• Remove the vehicle speed sensor with the key
rod.
• Remove the fixing bolt.
N7A0067E
N7A0068E
N7A0069E
N7A0070E
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