Main Shaft

Special Tools:

Disassembly

1. Position the main shaft on a work bench with the pocket bearing pointing up.

2. Use the collets and the remover to remove the pocket bearing.

3. Remove the snap ring.

4. Use collets and a 2-Jaw Puller to remove the synchronizer hub.

5. Remove 3rd gear and the needle bearing.

6. Use a press to remove the thrust washer and 2nd speed gear, synchronizer and 1st speed gear.
^ Press method - position main shaft assembly in a press and remove the thrust washer, 2nd speed gear, synchronizer and 1st gear.

7. Remove the bearing.

Assembly

CAUTION: To prevent damage, do not heat bearing, thrust washers or synchronize hubs higher than 160°C (320°F).

1. Install the bearing and thrust washer.
^ Use bearing/gear heater to heat the bearing and thrust washer to 130°C (250°F).
^ Install the bearing against the stop on the main shaft.

2. Install the needle bearing, gear and synchronizer ring.

3. Install the synchronizer hub.
^ Use gear/bearing heater to heat the synchronizer hub to 130°C (250°F).
^ Align the notches on the hub with the lugs on the synchronizer ring.
^ Install the synchronizer hub.

4. Install the sliding sleeve and the three pressure pieces and springs.

5. Install the three pressure piece bolts.

6. Install the synchronizer ring.
^ Align the lugs on the synchronizer ring with the slots in the synchronizer hub.

7. Install the needle bearing and 2nd gear.

8. Install the thrust washer.

9. Install the bearing sleeve.
^ Use bearing/gear heater to heat the bearing sleeve to 130°C (250°F).
^ Install the bearing sleeve.

10. Install the needle bearing, 3rd gear and synchronizer ring.

11. Install the synchronizer hub.
^ Use a gear/bearing heater to heat the synchronizer hub to 130°C (250°F).
^ Install the synchronizer hub.

12. Install the snap ring.

13. Install the pocket bearing.
^ Use a gear/bearing heater to heat the pocket bearing to 130°C (250°F).
^ Install the pocket bearing.

14. Install the sliding sleeve and the synchronizer ring.
15. Install the three pressure pieces and springs.

16. Install the input shaft assembly.