
Transmission appearance may differ, procedure is the same.
15
Front Section
Countershaft Assembly
How to Assemble the Countershaft Assembly
Special Instructions
Except for the PTO gears, the upper and lower
countershaft assemblies are the same. To avoid
confusion during installation, mark the upper
countershaft (45-tooth PTO gear) with an “U”. The
lower countershaft has a 47-tooth PTO gear.
Special Tools
Snap ring pliers
Press
To Assemble
1.
If previously removed, install the roll pin and keys
in countershaft keyway.
2.
Align 2nd speed gear keyway with the
countershaft key, long hub to countershaft front,
and press the gear on the countershaft.
3.
Align 3rd speed gear keyway with the countershaft
key, long hub against 2nd speed gear, and press
the gear on the countershaft.
4.
Align 4th speed gear keyway with the countershaft
key, long hub to countershaft front, and press the
gear on the countershaft.
5.
Align PTO gear keyway with the countershaft key,
bullet-nose of teeth facing up (shaft rear). Align
drive gear keyway with the countershaft key, long
hub against PTO gear, and press both gears on the
countershaft.
6.
On each countershaft front, install the drive gear
retaining snap ring in groove.
7.
Use a flanged-driver or the press to install the
bearing inner race on the countershaft front
against the drive gear.
Final Check
Make sure all gears are pressed into place.
Make sure the bearing inner race is installed.
B/19-7
B/19-9
B/19-2
B/19-6
B/19-8
B/20-1
B/20-3
6
1
2
3
4
5
7