(1) Do not install in the wrong direction or damage the lip edge. 50 at the lip μ The scars above m may cause obvious oil leakage.

　　(2) Prevent forced installation. Do not use a hammer to drive in, but use a special tool to press the seal ring into the seat hole, and then use a simple cylinder to protect the lip edge from passing through the spline. Before installation, apply some lubricating oil on the lips to facilitate installation and prevent burns during initial operation. Pay attention to cleaning.

　　(3) Prevent overdue use. The service life of rubber seals for dynamic seals is generally 3000-5000h, and new sealing rings should be replaced in time.

　　(4) The size of the replacement seal ring shall be consistent. The seal rings of the same size shall be selected in strict accordance with the requirements of the instructions, otherwise the requirements such as compactness cannot be guaranteed.

　　(5) Avoid using old sealing rings. When using a new seal ring, carefully check its surface quality to ensure that it is free of defects such as small holes, bumps, cracks and grooves and has enough elasticity before use.

　　(6) During installation, all parts of the open hydraulic system shall be cleaned strictly first, and it is better to use special tools to prevent fingers from being scratched by sharp metal edges.

　　(7) When replacing the sealing ring, check the groove of the sealing ring strictly, remove the dirt and polish the bottom of the groove.

　　(8) In order to prevent oil leakage caused by damage, it is necessary to operate according to the regulations. At the same time, it is not allowed to overload for a long time or put the machine in a relatively harsh environment