Shimming Procedures
Shimming ProceduresInput Shalt, Mainshaft, and Countershaft
Tools Required:
^ J 8001 Dial Indicator Set
^ J39444-1 Countershaft End Play Rod
1. Rotate the transmission adapter plate to the vertical position.
2. Install the following assemblies in order:
2.1. The input shaft to the adapter plate
2.2. The 4TH speed gear blocking ring
2.3. The mainshaft assembly
2.4. The countershaft (Lift up the mainshaft enough to install the countershaft.)
3. Install the transmission case.
Notice: Refer to Fastener Notice in Cautions and Notices.
4. Install the adapter plate to transmission case bolts.
Tighten the bolts to 35 Nm (26 lb ft).
5. Measure the input shaftimainshaft end play using the following procedure:
5.1. Place the tip of the J8001-3 on the end of the mainshaft.
5.2. Move the input shaft up and down.
5.3. Record the measurement.
6. Select a shim to achieve 0.00-0.05 mm (0.000-0.002 in) preload.
7. Remove the J8001-3.
8. Remove the adapter plate plug.
9. Place the tip ot the J 8001-3 on the end ot the countershaft.
10. Measure the countershaft end play using the following procedure:
10.1. Install the J 39444-1 through the adapter plate plug hole. Screw the J 39444-1 into the countershaft.
10.2. Move the countershaft up and down with the countershaft end play rod J 39444-1.
10.3. Record the measurement.
11. Select a shim to achieve 0.00-0.05 mm (0.000-0.002 in) preload.
12. Remove the J 8001-3.
13. Remove the J 39444-1.
14. Remove the adapter plate to the transmission case bolts.
15. Remove the transmission case.
16. Remove the following parts in order:
16.1. The countershaft (Lift up the mainshaft enough to remove the countershaft).
16.2. The mainshaft assembly
16.3. The 4TH speed gear blocking ring and the input shaft from the adapter plate
16.4. The input shaft bearing race
16.5. The countershaft bearing race