How to repair the Motorcycle Magneto of a road roller?

The Motorcycle Magneto is one of the important mechanisms to ensure the working or driving safety of the road roller. It can suddenly stop moving according to the driver's intention to avoid accidents. Motorcycle Magneto are generally installed on the reversing shaft or rear axle of the gearbox. Foot brakes usually include mechanical brakes, disc brakes, air brakes and hydraulic brakes. The following introduces the technical requirements for maintenance of Motorcycle Magneto:

1) When the groove of the working surface of the pressure plate exceeds 0.50mm and the surface flatness exceeds 0.20-0.30mm, it should be turned or ground; the processing thickness of each piece is generally controlled at 0.50-2mm, and a static balance test is carried out. It is not The balancing moment is generally not greater than 30g.
2) The five wedge-shaped grooves on the pressure plate should be smooth, and grooves are generally not allowed. When the groove depth exceeds 0.50mm, it should be repaired or replaced, and the shape and distance of the five wedge-shaped grooves should be kept consistent.
3) The technical requirements of Engine Accessories refer to the technology of the main Motorcycle Magneto.
4) The contact area between the pressure plate and the Engine Accessories and the Engine Accessories and the casing should reach more than 70%.
5) A gap of 1-2mm should be maintained between the Engine Accessories and the pressure plate when not braking.