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Pump daily maintenance and inspection
1. Check the pump power cord, whether there is aging, broken skin, the power cord copper leakage. In this case if the power cord on the shore, you can wrap the package. If it is better to replace the power cord in the water. Pump impeller whether there is dirt, foreign objects, such as plugging the water outlet or impeller outlet, check the sound of the pump is running sound, if there are unpleasant sound, indicating the pump bearing damage, the need for repair, refueling, replacement. Check pump operation is leakage. If the leakage, please send the maintenance department overhaul. 2. Abnormal noise for three reasons. First, the pump bearing damage, need to be replaced. Second, the pump impeller loosening, grinding to the bottom of the pump water outlet. Third, the pump coil damage. There are four reasons. One is the pump is not a centrifugal pump. Whether the need for water diversion work, Second, whether the pump is reversed, if it is reversed, replace the capacitor connector method. Third, the pump outlet or impeller gap in the presence of foreign matter. Is the seal well?