Skeleton oil seal must pay attention to the following nine points when assembling:
1. Get a fixed number of oil seals
2. From receiving the oil seal to assembly, it must be kept clean;
3. Check the oil seal before assembly;
4. Do machining inspection procedures before assembly;
5. In terms of operation skills, you can use your hand to feel whether it is smooth and round;
6. Do not tear the wrapping paper too early before installing the oil seal to prevent debris from being attached to the surface of the oil seal and brought into the work;
7. Before installation, the oil seal should be applied between the lips with a suitable amount of lithium based ester with molybdenum disulfide;
8. The oil seal should be plain packed, and there should be no tilted image;
9. For the oil-sealed machine installed this time, mark it to facilitate tracking and pay attention to the whole process.