一级黄片播放日韩欧美_在线观看黄aⅴ免费观看无毒_重庆丰满老熟女91_日韩AV无码高清_欧美 日韩 高清 国产aⅴ一区_密臀AV在线无码_国产一区二区丰满_久久综合视频97_国产小屁孩cao大人网站_华人在线69视频

Auto parts replacement points

First, try to use the sealant, you can use the paint to achieve the ideal sealing effect;

Second, the rubber seal should be carefully checked for appearance quality before assembly; use special tools to press fit to avoid knocking deformation;

3. Fill the lubricating grease according to the regulations, and regularly clean the venting holes and check valves;

4. Assembling in extremely clean conditions, the working surface of the parts is free from bumps, scratches, burrs and other attachments;

5. Strict operation procedures, the seals should be properly installed to prevent deformation in place;

6. Master the performance specifications and use requirements of the seals and replace the failed parts in time;

7. For side-wall thin-walled parts, use sheet metal cold for correction; shaft hole parts that are easy to wear can be metallized, welded, glued, machined, etc. to achieve the original size;

Eighth, the nut slide wire is broken and loose, and new parts should be replaced and screwed to the specified torque.