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The common failures and maintenance of stainless steel self priming pump (2)

1. The normal operation of the motor, but less or no water. You should first check the seal of water pump, unplug the power plug, block the suction with your hand, and then blow air inside and observe the pump head is leaking. Common faults have the following, such as suction pad, pad outlet, impeller cover pad, they should be replaced when maintenance. Without full of water phenomenon, mostly the impeller damager or suction chamber and the outlet chamber wear rubdown, the gap between the impeller and the pump housing increases, should replace the impeller and the pump housing. Note instep wheel should be replaced completely removing the residual copper vane pump to avoid damage to the new impeller again.
2. Chassis charged. Most of the seal is damaged, the water inside the motor through the motor shaft into the motor insulation deterioration caused, can be used to replace the seal, drying and other methods to repair the motor. It should be noted that, because the long-term contact with water pumps and outdoor work, it can easily cause deterioration of the insulation damp, in order to ensure personal safety, electric stainless steel pump should be grounded.
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