Transmission appearance may differ, procedure is the same.
11
Front Section
Countershaft Assembly
How to Install the Countershaft Bearings
Special Instructions
The front bearing inner race must be pressed on the
countershaft front.
The flanged-end driver must cover the bearing outer
race for proper installation.
Special Tools
Typical service tools are needed
Countershaft support tool
Flanged-end driver and maul
To Install
1.
Move the countershaft to the rear and insert the
countershaft support tool to center shaft in rear
case bore.
2.
Use a flanged-end driver to start the front bearing
in case bore.
3.
Use a screwdriver inserted in the countershaft
capscrew bore to help center the countershaft.
4.
Move the countershaft forward into the bearing.
5.
Use a flanged-end bearing driver and maul to
completely seat the front bearing in case bore.
6.
On the countershaft front, position the retainer
plate with roll pin in shaft end hole.
7.
Secure with capscrew, tightening to 90-120 Lb
f
·ft
of torque.
8.
From the rear, remove the countershaft support
tool.
9.
With the larger I.D. lead chamfer to the shaft front,
use a flanged-end bearing driver and install the
rear bearing.
10.
In the countershaft rear groove, install the rear
snap ring.
Final Check
Make sure each front bearing capscrew is properly
torqued.
Make sure each rear snap ring is in place.
B/21-7
B/21-8
B/21-9
B/15-5
B/22-1
1
2, 5
6, 7
9
10
