Mainshaft

Mainshaft








Special Tool(s)

Disassembly





1. Place the special tool in a vise, then install the input shaft with the input shaft locknut facing downward. Remove the input shaft locknut.





2. Remove the input shaft needle bearing.
Inspect the bearing for wear or damage. Install a new bearing as necessary.





3. Remove the needle bearing.
Inspect the bearing for wear or damage. Install a new bearing as necessary.





4. Remove the retaining ring.





5. Remove the third and fourth gear synchronizer assembly.





6. Disassemble the third and fourth gear synchronizer.
^ Inspect the synchronizer for wear or damage. Repair as necessary.





7. Remove third gear.
^ Inspect the gear for wear or damage. Install a new gear as necessary.





8. Remove the third gear needle bearing.
Inspect the bearing for wear or damage. Install a new bearing as necessary.

9. NOTE: Place the Bearing/Oil Seal Plate in a vise.

Rotate the input shaft and place it in the bearing/oil seal plate.





10. Using the special tools, remove the input shaft bearing, fifth gear and the fifth gear needle bearing.
^ Inspect the bearing for wear or damage. Install a new bearing and cup as necessary. Install new bearings and cups in a set only. Do not install one without the other.
^ Inspect the needle bearing for wear or damage. Install a new bearing as necessary.
^ Inspect the gear for wear or damage. Install a new gear as necessary.

Assembly





1. Install the fifth gear needle bearing and fifth gear.

2. CAUTION: Press the input shaft bearing onto the shaft by the inner race only. Pressing on the outer race will damage the bearing.

Using the special tools, press the input shaft bearing on the input shaft.
^ Make sure the bearing is installed against fifth gear.





3. Place the special tool in a vise, then install the input shaft. Install the input shaft locknut.

4. NOTE: Place the Bearing/Oil Seal Plate in a vise.

Rotate the input shaft and place it in the bearing/oil seal plate.





5. Install the third gear needle bearing.





6. Install third gear.





7. Assemble the third and fourth gear synchronizer.





8. Install the third and fourth gear synchronizer assembly.
^ Move the synchronizer sliding sleeve to the center position.





9. Install the retaining ring.





10. Install the needle bearing.





11. Install the input shaft needle bearing.