Special mandrel for installing the rear crankshaft seal ring
A – back cover,
B - special tool
1. Remove the gearbox.
2. Remove the clutch.
3. Remove the flywheel and engine shield.
4. To remove the rear crankshaft sealing ring, drill two small holes in the ring, screw two self-tapping screws into them and use pliers to pull out the sealing ring by the heads of the self-tapping screws.
5. Clean the sealing ring seat.
6. Lubricate the working edges of the new sealing ring with fresh engine oil and, using a special mandrel, install it into the socket with the working edges inward.
7. Install the flywheel.