First, try to use sealant, and paint can be substituted if necessary to achieve the ideal sealing effect;
Second, the appearance quality of rubber seals should be carefully checked before assembling; use special tools to press fit to avoid knocking and deformation;
Third, fill in lubricating grease according to regulations, regularly clean and dredge the vent and one-way valve, etc.;
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 thin-walled side cover parts, cold sheet metal correction is used; for shaft hole parts that are easy to wear, metal spraying, welding repair, gluing, machining and other processes can be used to achieve the original size;
Eighth, the nut should be repaired or replaced with a new one, and the nut should be screwed to the specified torque.





