Mainshaft and Countershaft
1. Snap ring
2. Washer
3. Retaining ring
4. C-washer
5. Mainshaft rear bearing
6. Retaining ring
7. C-washer
8. Thrust lock washer
9. Steel ball
10. Locknut (Countershaft)
11. Countershaft rear bearing
12. Counter 5th gear
13. Spacer
14. 5th gear
15. Synchronizer ring (5th)
16. Locknut (Mainshaft)
17. Clutch hub assembly
(5th/Reverse)
18. Synchronizer ring (Reverse)
19. Reverse gear
20. Needle bearing
21. Inner race
22. Washer
23. Counter reverse gear
24. Main drive gear bearing
25. Snap ring
26. Countershaft front bearing
27. Bearing housing assembly
28. Mainshaft gear assembly
29. Main drive gear
30. Synchronizer ring (4th)
31. Needle bearing
32. Washer
33. Countershaft
34. Synchronizer key spring
35. Clutch hub sleeve
36. Synchronizer key
37. Clutch hub
Disassemble in the order shown in the image, referring to Disassembly Note.
Disassembly note
Mainshaft rear bearing
Remove the snap ring, washer, retaining ring, and C-washers; then remove the mainshaft rear bearing with the SST.
Locknut (Countershaft)
1. Shift the clutch hub sleeves to first gear and reverse gear to put the gears in the double-engaged condition.
CAUTION:
a. Do not reuse the locknut.
b. Do not damage the countershaft.
2. Use a suitable tool to uncrimp the tabs of the locknut.
NOTE: Use pads in the vise to prevent damaging the SST.
3. Connect the SST to the mainshaft and tighten it securely in a vise.
4. Remove the locknut.
Countershaft rear bearing
Remove the countershaft rear bearing with the SST.
Locknut (Mainshaft)
1. Shift the clutch hub sleeves to first gear and reverse gear to put the gears in the double-engaged condition.
CAUTION:
a. Do not reuse the locknut.
b. Do not damage the mainshaft.
2. Use a suitable tool to uncrimp the tabs of the locknut.
NOTE: Use pads in the vise to prevent damaging the bearing housing.
3. Secure the bearing housing in a vise.
4. Remove the locknut with the SST.
Main drive gear bearing
Remove the main drive gear bearing with a suitable pipe.
Countershaft front bearing
Remove the countershaft front bearing with the SST.
Bearing housing assembly
Remove the bearing housing by lightly tapping the countershaft with a copper hammer.