First, try to use sealant, if necessary, paint can be substituted to achieve the ideal sealing effect;
Second, the appearance quality of rubber seals should be carefully checked before assembly; use special tools to press fit to avoid knocking and deformation;
Third, add lubricating grease according to regulations, clean and dredge the vent and one-way valve regularly;
Fourth, the assembly is carried out under extremely clean conditions, and the working surface of the parts is free of bumps, scratches, burrs and other attachments;
Fifth, strict operating procedures, seals should be installed correctly to prevent deformation if not in place;
Sixth, master the performance specifications and use requirements of the seals, and replace the failed parts in time;
Seventh, for the thin-walled parts of the side cover, the sheet metal is used for cold correction; the shaft hole parts that are easy to wear can be metal sprayed, welded, glued, and mechanically processed to achieve the original factory size;
Eighth, the nut should be repaired or replaced with a new one, and the nut should be screwed to the specified torque.
