1. Regular inspection of mixed flow pump, replace the lubricating oil;
2. Check the wearing parts, found wear, timely replacement;
3. Long-term disabled, remove the pump shell before use, to prevent rust cannot start to burn out the motor;
4. Dry motor;
5. To ensure that the seal;
6. Check the bearing, check the motor part of the upper and lower bearings, if it is found that wear or clearance is too large, it is necessary to replace the new bearing in a timely manner. Do not have to live with this!
7. To ensure that the bearing lubrication.