How to Install the Countershaft Bearings

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.

Temporarily use the assembled auxiliary drive gear to hold the mainshaft in the input shaft pilot.

• Typical Service Tools • Countershaft support tool • Flanged-end driver and maul

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 hole at shaft end.

7. Secure with capscrew, tightening to 90-120 lb-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.

• Make sure the front bearing capscrew is properly torqued. • Make sure the rear snap ring is in place.