Mainshaft and Gear-Train Removal

1. Move 1-2 and 3-4 synchro sleeves into Neutral, necessary.





2. Remove drive gear thrust bearing from forward end of mainshaft.





3. Remove fourth gear clutch gear and synchro stop ring from mainshaft.





4. Roll gear case onto left side.
5. Remove rear mainshaft rear bearing.
6. Remove mainshaft assembly as follows:
a. Lift front end of mainshaft slightly. Use care when handling the mainshaft because the gears will be lose on the mainshaft.
b. Grasp mainshaft rear splines. Then turn spline end of mainshaft in counterclockwise direction to rotate shaft and gear-train out of case.
c. Once mainshaft gears roll clear of countershaft gears, shaft and gear assembly can be tilted outward and removed from gear case.