Mainshaft and Countershaft
MAINSHAFT AND COUNTERSHAFT
Bearing
1. Remove the snap ring, washer, retaining ring, and "C" washers, then remove the mainshaft rear bearing using puller (49 0839 4250).
2. Remove the lock nut, then remove the countershaft rear bearing using puller (49 0839 425C).
3. Remove the main drive gear bearing using puller (49 0839 425C).
4. Remove the countershaft bearing using bearing puller (49 0710 520).
Lock Nut
1. Shift the clutch hub sleeves to first gear and reverse gear to put the gears in the double-engaged condition.
2. Counter shaft lock nut
1. Connect the mainshaft holder (49 0259 440) to the mainshaft, and mount securely in a vise.
2. Remove the lock nut.
CAUTION: Do not re-use the lock nut.
3. 5th/reverse clutch hub lock nut.
1. Uncrimp the tabs of the lock nut.
2. Secure the bearing housing in a vise.
3. Remove the lock nut using lock nut wrench (49 1243 465A).
CAUTION:
a. Do no re-use the lock nut after it has been removed.
b. Use pads in the vise.
Center Bearing Housing Assembly
Remove the bearing housing by lightly tapping the countershaft and mainshaft with a copper hammer.