Copper powder oil seal installation precautions:
1, a fixed number of copper powder oil seal.
2, from the oil seal assembly, must keep clean.
3, before assembly, check the oil seal, the size of each part of the fine copper powder oil seal and shaft and chamber size, the skeleton oil seal before installation, the size of the shaft diameter and the size of the oil seal diameter is clearly compared. The inner cavity width and oil seal diameter size can be suitable, check the skeleton oil seal lip for any damage, deformation, spring, rust. The transportation process suspends the flatness of the oil seal, is affected by the force and impact of extrusion, and weakens its roundness.
4, the completion of processing and assembly before the inspector, the shaft parts have a good cavity size is correct, is chamfered, there can be no slope, shaft and cavity end treatment should be clean, chamfered no damage and burr, clean assembly parts, axial load part (chamfering) can not have burrs, sand, iron and other debris, can produce oil seal lip irregular damage, it is recommended to use r corner slot part.
5. The operation of skills can be felt by hand, whether it is smooth and round.
6, skeleton oil seal, do not tear the wrapping paper too early, before installation, to prevent impurities attached to the surface of the oil seal and into the work.
7,days before installation, an appropriate amount of lithium molybdenum disulphide grease should be added between the lip of the skeleton oil seal, and the shaft should start to stop the lip in an instant, and the amount of interference affected by the lip dry grinding phenomenon should be affected as soon as possible. Install oil seals. If the oil seals are not installed, cover them with cloth to prevent foreign matter from sticking to the seals. Lithium grease must be cleaned by hand or tool.
8, the skeleton oil seal paperback book, can not have the phenomenon of tilt. The hydraulic equipment or sleeve tool is installed. The pressure is not too much, even, and the speed is slow.
9, the skeleton oil sealing machine, to facilitate tracking, pay attention to the whole process.