The matters needing attention before assembly of skeleton oil seal are as follows:

1、before assembly, it is necessary to do a good job of processing inspection procedures. It is necessary to measure the correct size of the cavity and shaft parts. In particular, the inner  chamfer shall not have slope. The end face of the shaft cavity should be smooth, and the chamfer should not have damage or burr. When cleaning the assembly part, the loading place of the shaft, that is, the chamfering  position, should not have burrs, sand, iron filings and other things, which will cause uncontrollable damage to the lip of the oil seal. So it is suggested to use R Angle for the part of chamfering.

2、 oil seal before installation, can be coated between the lip can add an appropriate amount of molybdenum disulfide lithium based ester, in order to prevent the shaft instantaneous start lip dry grinding, thus affecting the amount of lip interference, so as soon as possible assembly. If the oil seal seat has not been installed immediately, it is recommended to cover it with a clean cloth to prevent foreign matter from sticking to the oil seal. Hands or tools coated with lithium grease must be clean.

3、 The skeleton oil seal must be kept clean when it is received and assembled.

4、 Oil seal should be installed flat and not tilted. You are advised to use a tool for installation. The pressure should not be too high, and the speed must be even and slow.

5、in the installation of oil seal machine need to be marked and recorded, easy to track, but also to prevent improper operation, pay attention to the whole process.

6、 Before assembly, be sure to check the skeleton oil seal, and measure whether the size of each part of the oil seal is the same as that of the shaft and cavity. Before installing the oil seal, it is necessary to check the axle diameter and the inner diameter of the oil seal. Both should be the same. The inner dimension of the cavity shall be suitable for the outer diameter and width of the oil seal. It is necessary to check whether the lip of the oil seal is damaged or deformed. It is also necessary to check whether the spring falls off or rusts. In order to prevent the oil seal in the process of transportation by external extrusion and impact, damage its roundness.

7、 in the operation, we can use the hand to feel whether the oil seal is smooth, whether it is really so round.

8、 Before the oil seal installation, do not tear the wrapping paper too early to avoid some small debris adhering to the surface of the oil seal and being brought into the work, thus affected.

 

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