Pic. 3-59. Rear axle reducer:
1 - drive gear;
2 - driven gear;
3 - satellite;
4 - axle gear;
5 - axis of the satellites;
6 - differential box;
7 - bolts for fastening the bearing cover of the differential box;
8 - differential box bearing cover;
9 - locking plate;
10 - bearing adjusting nut;
11 - gearbox housing.
Remove the differential box from the crankcase 11 of the gearbox together with the driven gear 2 and the inner rings of the bearings.
To remove gear 1 and its parts:
- turn the gearbox housing upside down (pic. 3-60) and, holding the flange 3 of the drive gear with a stopper 1, unscrew the flange fastening nut with a wrench 2;
Pic. 3-60. Unscrewing the drive gear nut:
1 - key 67.7811.9507 for fixing the drive gear flange;
2 - end key;
3 - drive gear flange;
4 - bracket.
- remove the flange and take out the drive gear with the adjusting ring, the inner ring of the rear bearing and the spacer sleeve;
- remove the stuffing box, oil deflector and the inner ring of the front bearing from the gearbox housing;
- press out the outer rings of the front and rear bearings with a mandrel 67.7853.9579;
- remove the spacer sleeve from the drive gear and using a universal puller and mandrel A.45008 (pic. 3-61) remove the inner ring of the rear roller bearing;
- remove the drive gear adjusting ring.
Pic. 3-61. Removing the inner ring of the rear bearing of the drive gear with a universal puller
To disassemble the differential:
- remove inner rings 2 (pic. 3-62) roller bearings of the differential box 3, using a universal puller and stop 67.7853.9628 for this;
Pic. 3-62. Removing the inner ring of the bearing of the differential box with a universal puller:
1 - universal puller;
2 - the inner ring of the bearing;
3 - differential box;
4 - stop 67.7853.9628.
- unscrew the fastening bolts of the driven gear and knock out the satellite axle from the differential box;
- turn the gears of the axle shafts and satellites so that the latter roll out into the windows of the differential, after which they can be removed;
- remove the gears of the axle shafts with the support washers.