Shaft - Gearbox - Input

Shaft - Gearbox - Input

Service Repair No - 37.20.16

Disassembly

1. Remove gearbox front cover.
2. Remove reverse idler gear shaft.





3. With assistance, remove output shaft, selector shaft and layshaft as an assembly. Remove selector shaft and fork.





4. Remove input shaft from gearbox case.





5. Using tool LRT-37-004, and LRT-99-004, remove pilot bearing track from input shaft.





6. Invert output shaft and using tool LRT- 99-002 and support bars under 3rd gear, press off pilot bearing.





7. Using tool LRT-37-043 and LRT-99-002, remove taper roller bearing from input shaft.





8. Using a suitable soft metal drift, remove bearing outer track from front cover.
9. Remove and discard input shaft oil seal from front cover.

Reassembly

1. Clean input shaft and bearing/oil seal recess in front cover.
2. Lubricate a new input shaft oil seal with gearbox oil.
3. Fit oil seal using a suitable mandrel.
4. Using a press and a suitable mandrel, fit bearing outer track in front cover.
5. Using a press and a suitable mandrel, fit pilot bearing outer track to input shaft.





6. Using tool LRT-37-043, LRT-37-043/2 and LRT-99-002, fit new taper bearing to input shaft.





7. Using tool LRT-99-002 and a suitable mandrel, press new pilot bearing onto output shaft.
8. Position input shaft to gearbox case.
9. With assistance, fit output shaft and layshaft assembly into gearbox case.
10. Fit reverse idler gear shaft.
11. Fit gearbox front cover.