Mainshaft: Service and Repair
MAINSHAFT
Mainshaft Center Bearing
1. Remove the bearing stopper.
2. Remove the mainshaft center bearing using bearing puller set (49 0839 425C).
3. Remove the 1st gear.
Countershaft
1. Remove the countershaft center bearing using bearing puller set (49 0839 425C).
2. Remove the countershaft.
Mainshaft
1. Remove the main drive shaft from the transmission case.
2. Remove the mainshaft and gear assembly from the transmission case.
Clutch Hub
1. Remove the snap ring from the front of the mainshaft.
2. Position the puller (49 0636 145) between 2nd and 3rd gear.
3. Press the mainshaft out of 3rd gear and 3rd/4th clutch hub assembly.
4. Press the 1st/2nd clutch hub assembly and 1st gear sleeve from the mainshaft.
Bearing Inner Race
Remove the inner race of the countershaft center bearing from countershaft using puller (490710520).