Common problems of water ring vacuum pump: First, the vacuum pump is not enough possible reasons: the lack of sufficient power supply speed is not enough; insufficient water supply; impeller and the distribution plate gap is too large; mechanical seal damage leading to leakage leakage; excessive wear on the impeller Circulating water can not discharge. Remedy: Check the supply voltage is within the motor rated voltage range; increase the amount of water (must be controlled in the correct range, otherwise it will cause the motor overload heat); adjust the gap between the impeller and the distribution board (usually 0.15-0.20 mm); replace the mechanical seal; replace the impeller; check the outlet of the pipeline. Second, can not start or start the noise is likely to cause: motor supply voltage shortage; lack of phase motor running; pump for a long time useless cause corrosion; pump sucked debris; impeller drag distribution board. Remedy: Check the supply voltage is too low; Check the motor wiring are solid; If the pump for a long time useless rust can add some rust or open the pump cover artificially remove rust; Open the pump cover to remove debris; Adjust the impeller Distance to distribution board. Third, the motor may cause overheating: excessive water supply leads to motor overload; motor phase loss; exhaust holes blocked; impeller drag the other components. Remedy: Reduce the amount of water supply to the normal range (refer to the pump instruction manual for the amount of liquid); check the wiring is solid; check the exhaust; open the pump cover to adjust the gap between the impeller and other components.
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