Attention! Lubricate the drain plug with sealant when installing.
2. Remove the gearbox and install it on the stand.
3. Remove the shift mechanism (see relevant chapter).
4. Remove the gearbox rear cover.
5. Unscrew the 3/12 and 4/14 hex bolts that secure the primary 3 and secondary 4 shafts (see illustration).
4.5 Unscrew the hex bolts 3/12 and 4/14 that secure the primary 3 and secondary 4 shafts.
1 \ 1 - gearbox housing
2 - clutch housing
3 - input shaft
3/10 - input shaft bearing
3/14 - thrust ring
4 - secondary (day off) shaft
4/12 - output shaft bearing
6 - clutch release fork
7 - differential
10 - gearshift unit
Attention! Mark the shaft mounting bolts so as not to confuse them during installation.
6. Remove the bearings of both shafts from the gearbox housing (see illustration 4.5).
7. Disconnect the clutch housing from the gearbox by unscrewing the mounting bolts.
8. Remove differential 7 (see illustration 4.5).
Attention! When installing the old differential or its bearings, the bearing preload must be measured and adjusted.
9. Remove the gears together with the clutch fork 6 (see illustration 4.5).
10. Remove the input shaft seal.
Assembly and installation of a transmission are carried out in sequence, return to removal.