Press out the drive bevel gear.
Remove the front bearing race with a tool.
Remove the rear bearing race with a tool.
Note: There is a shim under the rear outer race of the bearing (X) to adjust the correct position of the gear.
Press in a new bearing race using the tool. Remove the tapered roller bearing from the drive gear using a tool.
Press in new tapered roller bearing.
To determine the size of the shim, the pinion gear is installed without a spacer.
Install the front tapered roller bearing using the tool.
Install and tighten the driveshaft flange to a torque resistance of 250 Nm.
Assemble and calibrate the measuring block.
Attach the device to the fixture. Set to zero.
Place the measuring disk on the bevel gear and install the measuring unit in the housing.
According to the diagram, determine the size of the adjusting washer.
Compensation dimension e is marked on a pair of gears.
Remove the drive bevel gear.
Install the correct size shim.
Install pinion gear with spacer.
Press in a well lubricated oil seal.
Install the drive shaft flange without tightening. A voltage of 5000 Nm is set when adjusting the turning resistance.
Tighten the collar nut of the input shaft flange while controlling the turning resistance.
Tighten to the specified torque resistance from the table plus 20 Nm for a new O-ring.
Drive in a new safety plate with a tool.
Install the differential, check and set, as described, the gear engagement pattern and engagement gap.
Install final drive completely and fill with oil. The same should be done when replacing a pair of gears.