First, try to use sealant, and use paint instead when necessary to achieve ideal sealing effect;
Second, carefully check the appearance quality of rubber seals before assembly; Press fit with special tools to avoid knocking and deformation;
Third, add lubricating grease as required, clean and dredge the vent hole and one-way valve regularly;
Fourth, the assembly shall be carried out under extremely clean conditions, and the working surface of the parts shall be free of bumps, scratches, burrs and other attachments;
Fifth, the operating procedures shall be strictly followed, and the seals shall be correctly installed 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 parts such as side covers, use sheet metal cold correction; The shaft hole parts easy to wear can adopt metal spraying, welding repair, adhesive, mechanical processing and other processes to reach the original size;
VIII. If the nut thread is broken or loose, repair or replace it with a new one, and tighten it to the specified torque.
