- remove the gearbox;
- remove the flywheel/drive plate;
- mark the position and installation depth of the old sealing ring;
Pic. 3.96. Removal of a back sealing ring of a cranked shaft
- Using a special tool or a large screwdriver, remove the O-ring from the cylinder block (pic. 3.96). To facilitate removal of the O-ring, use a sharp knife to cut a working lip from the reinforced base around the entire perimeter of the O-ring. Be careful not to damage the O-ring seat and crankshaft;
- Clean the O-ring seat and crankshaft journal. Lubricate the outer surface and the working edge of the sealing ring with engine oil;
Pic. 3.97. Using a mandrel and a hammer to install the rear crankshaft seal ring
- tubular mandrel, with an outer diameter slightly smaller than the outer diameter of the ring, install the sealing ring in place (pic. 3.97). Check that the ring is installed without distortion and at the same depth as the previously installed ring;
- install flywheel/drive plate;
- install the gearbox.