Transmission Overhaul Procedures-Bench Service
Special Instructions Except for the PTO gears, the upper and lower countershaft assemblies are the same. Mark the countershafts as UPPER or LOWER as you remove them. The mainshaft and main drive gear must be removed before removing the countershaft assemblies.
Special Tools •
Soft bar and maul
•
Item T8: Countershaft Pusher
•
Item T9: Bearing Puller
Procedure 1.
To keep the mainshaft pilot from falling out of the input shaft pocket, temporarily install the auxiliary drive gear on the mainshaft.
2.
From each countershaft rear groove, remove the snap ring.
3.
Remove bearing retainer bolts on front countershaft and install the counershaft pusher assembly Tool T8 to the studs on the front of the maincase. Push the countershaft back until it stops.
4.
Use a bearing puller to remove the rear bearing from the countershaft. CAUTION
Damage will likely occur to this bearing during removal. It is strongly recommended that this bearing is discarded.
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Transmission Overhaul Procedures-Bench Service
How to Remove the Countershaft Assemblies