Mainshaft Reassembly

M/T Mainshaft Reassembly

Exploded View





Special Tools Required
- Inner driver handle, 40 mm 07746-0030100
- Inner driver, 30 x 36 mm 07946-MB00000

NOTE: Refer to the Exploded View, as needed, during this procedure.

1. Clean all parts in solvent, dry them, and apply MTF to all contact surfaces.

2. Press in the new angular ball bearing (A) using the 30 x 36 mm inner driver (B) and a press (C).
NOTE: Check the ball bearing install direction.






3. Install the needle bearing (A) and 3rd gear (B) onto the mainshaft (C).






4. Install the double cone synchro assembly (A) with the synchro spring (B) by aligning the synchro cone fingers (C) with the holes (D) in 3rd gear.






5. Install the 3rd/4th synchro hub (A) by aligning the synchro ring fingers (B) with the grooves (C) in the 3rd/4th synchro hub.
NOTE: Make sure to install the 3rd/4th synchro hub in the direction shown.






6. Press on the 3rd/4th synchro hub (A) using the 40 mm inner driver handle (B) and a press (C).






7. Install the 3rd/4th synchro sleeve (A) by aligning the stops (B) of the 3rd/4th synchro sleeve and the 3rd/4th synchro hub. After installing, check the operation of the 3rd/4th synchro hub set.






8. Install the double cone synchro assembly (A) with the synchro spring (B) by aligning the synchro ring fingers (C) with the grooves (D) in 3rd/4th synchro hub.






9. Install 4th gear (A) by aligning the synchro cone fingers (B) with the holes (C) in 4th gear.






10. Install the 4th/5th gear distance collar (A) with needle bearings (B) and 5th gear (C).

11. Install the synchro ring (D) with the synchro spring (E) onto the 5th gear.






12. Install the 5th/6th synchro hub (A) by aligning the synchro ring fingers (B) with the grooves (C) in the 5th/6th synchro hub.






13. Press on the 5th/6th synchro hub (A) using the 40 mm inner driver handle (B) and a press (C).






14. Install the 5th/6th synchro sleeve (A) by aligning the slots of the 5th/6th synchro sleeve and the 5th/6th synchro hub (B). After installing, check the operation of the 5th/6th synchro hub set.
NOTE: Make sure to align the slots in the 5th/6th synchro sleeve as shown.






15. Install the synchro ring (A) with the synchro spring (B) by aligning the synchro ring fingers (C) with the grooves (D) in 5th/6th synchro hub.

16. Install the 6th gear distance collar (E) with the needle bearing (F) and 6th gear (G).






17. Press on the new angular ball bearing (A) using the 40 mm inner driver handle (B) and a press (C).
NOTE: Check the ball bearing install direction.