Drain the oil from the gearbox.
Remove the front wheels and mudguards.
Separate the drive and connecting shafts from the gearbox in the block with the final drive.
Fig. 3.27. Removing the differential seal
Remove the seals using a screwdriver (Fig. 3.27).
Fig. 3.28. Installing the differential seal
Using a special tool and a hammer, press the new seal evenly until the special tool rests against the final drive housing (Fig. 3.28).
Coat the sealing lip of each oil seal with transmission oil.
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Insert the drive and connecting shafts into the gearbox in the block with the final drive.
Install the wheels and mudguards.
Add the required amount of oil of the required type.