Final Drive Disassembling and Assembling

Disassembling

Note: If pinion/ring gear and bearings can be reused, determine backlash and turning torque of pinion before disassembling final drive, note these figures and install them again as accurately as possible.




1. Mount final drive on assembly stand with VW 353 and locally made plate.




2. Unscrew adjusting ring with VW 544.




3. Remove differential and pinion by removing both covers, unscrewing adjusting rings and pulling pinion out a little way through large opening. Tilt differential aside carefully and remove pinion.




4. Pull out seal and needle bearing for governor together.
A = US 1088

Assembling




1. Drive in needle bearing for governor against stop




2. Drive in governor seal against stop.




3. Install drive pinion cover. Insert oil bore seal (arrow). Always use sleeve 2055; otherwise seals would be damaged.





4. Drive flanged shaft seal into adjusting ring against stop.




5. Press outer race for tapered roller bearing into adjusting ring.