The repair method of shaded pole motor bearings mainly includes the following steps:

1. Disassembly inspection

First, disassemble the motor and carefully check the wear of the bearings. Check the wear of the inner and outer rings and rolling elements of the bearings to determine whether they need to be replaced. At the same time, check the wear of the matching surfaces such as the bearing seat and the journal.

2. Bearing cleaning

If the bearing can still be used, it needs to be thoroughly cleaned. Use appropriate cleaning agents and tools to remove the dirt and aged grease inside the bearing. Make sure it is clean before proceeding to the next step.

3. Bearing lubrication

After cleaning, new high-performance bearing grease needs to be added. Choose the type and amount of grease suitable for the operating conditions of the motor, and evenly apply it to the inner and outer rings of the bearings and the surface of the rolling elements.

4. Bearing replacement

If the inspection finds that the bearings are severely worn, new bearings need to be replaced. Be careful not to damage the bearing seat when disassembling the old bearings, and when installing the new bearings, it is also necessary to strictly follow the process required by the manufacturer.

5. Journal repair

If the journal is found to be severely worn, the journal needs to be repaired. The journal can be reprocessed by surfacing, boring and other methods to restore the original matching accuracy.

6. Preload adjustment

Finally, the bearing should be properly preloaded to ensure that the bearing can run smoothly after assembly and avoid excessive or too small axial and radial clearances.

The above are the main steps for repairing shaded pole motor bearings. In the actual maintenance process, targeted measures need to be taken according to the motor model and actual situation to ensure that the repair quality meets the requirements.