5th Gear - Layshaft

5th gear - Layshaft

Service Repair No - 37.20.43

Disassembly

1. Remove gearbox extension.





2. Using a suitable two legged puller and remove 5th gear layshaft support bearing track from end of layshaft.
3. Release staking from 5th gear retaining nut.





4. Using tool LRT-37-023 to hold 5th gear, remove and discard stake nut.





5. Remove retaining ring and split collars securing 5th gear to output shaft.





6. Remove split collar and 5th gear from layshaft.

Reassembly

1. Clean gear and layshaft.
2. Position 5th gear and split collar to layshaft ensuring that bevelled side of collar is towards 5th gear.
3. Position split collars and retaining ring securing 5th gear to output shaft.





4. Position tool LRT-37-023 to hold 5th gear and tighten new stake nut to 220 Nm (162 ft. lbs.) and stake nut.
5. Apply a small amount of heat and fit support bearing track to layshaft.
6. Fit gearbox extension.