Isuzu N-Series. Service manual - part 853

MANUAL TRANSMISSION 7B-73

17. Apply engine oil 5W-30 sufficiently to the reverse

block ring (4), and then align the phase of the block
ring groove to the 1st-reverse clutch hub assembly
and sleeve, and install.

18. Apply engine oil 5W-30 to the needle bearing, the

reverse gear thrust surface and the synchro cone
taper. Turning the dog gear downward, align the
phase of the synchro cone phase of the reverse
gear to the nail of the outer ring, and insert the re-
verse gear (3), needle bearing (2), and collar (1)
with a press using the installer 5-8840-2345-0.

19. Install the spacer (2).
20. Insert the bearing (1) with a press using the install-

er 5-8840-2345-0, turning the stamped surface (4)
upward and the stamped surface (3) downward.

1

2

3

4

5

6

N7A0391E

N7A0392E

7B-74 MANUAL TRANSMISSION

Special Tools

Illustration

Tool Number / 

Description / Remarks

5-8840-2345-0 / Clutch 

Hub & Collar Installer

N7A1222E

5884023450

MANUAL TRANSMISSION 7B-75

Main Shaft (6MT)

Components

Legend

1. Snap ring

17. 3rd outside ring

2. 4th-5th clutch hub assembly & sleeve

18. 3rd inside ring

3. 4th block ring

19. Main shaft

4. 4th gear

20. Needle bearing

5. Needle bearing

21. 1st gear

6. Snap ring

22. 1st inside ring

7. Collar

23. 1st outside ring

8. Needle bearing

24. 1st block ring

9. 3rd bearing

25. 6th gear

10. Needle bearing

26. Bearing

11. 2nd bearing

27. Spacer

12. 2nd inside ring

28. Collar

13. 2nd outside ring

29. Needle bearing

14. 2nd block ring

30. Reverse gear

15. 2nd-3rd clutch hub assembly & sleeve

31. Reverse block ring

N7A0393E

7B-76 MANUAL TRANSMISSION

Disassembly

1. Remove the 6th gear.
2. Remove simultaneously the following parts using a

bearing remover with a press; the bearing, spacer,
collar, reverse gear, needle bearing, 2nd-3rd, re-
verse block ring, 1st-reverse clutch hub assembly
& sleeve, 1st block ring, 1st outside ring, 1st inside
ring, 1st gear, needle bearing.

3. Disassemble the 1st-reverse clutch hub assembly

& sleeve.

4. Remove the 4th-5th clutch hub assembly fixing

snap ring using snap ring pliers.

5. Remove simultaneously the following parts, using

a bearing remover with a press; 4th-5th clutch hub
assembly & sleeve, 4th block ring 4th gear and
needle bearing.

6. Disassemble the 4th-5th clutch hub assembly &

sleeve.

7. Remove the 3rd gear collar fixing snap ring, using

snap ring pliers.

16. 3rd block ring

32. 1st-reverse clutch hub assembly & sleeve

Legend

1. Clutch hub
2. Sleeve
3. Ball
4. Block
5. Spring

N7A1195E

1

5

4

3

2

N7A0372E

Legend

1. Spring
2. Insert
3. Clutch hub
4. Sleeve

N7A1197E

N7A1143E