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 drive gear 1 and its parts:
- turn the gearbox housing upside down (pic. 3-69) and, holding the flange 3 of the drive gear with a stopper 1, unscrew the flange fastening nut with a wrench 2;
- 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 races of the front and rear bearings using drift A.70198;
- remove the spacer sleeve from the drive gear and using the universal puller A. 40005/1/7 and mandrel A.45008 (pic. 3-70) remove the inner ring of the rear roller bearing;
- remove the drive gear adjusting ring.
Pic. 3-69. Unscrewing the pinion nut: 1 - stopper for fixing the drive gear flange; 2 - socket wrench; 3 - leading flange, gears; 4 - bracket
Pic. 3-70. Removing the inner ring of the rear bearing of the drive gear with a universal puller А.40005/1/7: 1 - universal puller; 2 - drive gear; 3 - bearing ring; 4 - fixture A.45008
To disassemble the differential:
- remove inner rings 2 (pic. 3-71) roller bearings of the differential box 3, using for this purpose the universal puller A. 40005/1/6 and the stop A.45028;
- unscrew the fastening bolts of the driven gear and knock out the axis of the satellites from the 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.
Pic. 3-71. Removing the inner ring of the bearing of the differential box with a universal puller А.40005/1/6: 1 - universal puller; 2 - the inner ring of the bearing; 3 - differential box; 4 - stop A.45028