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Leak-free magnetic drive pump: reduces suction lift. The pump bearing is worn; replace the bearing. The mechanical seal of the leak-free magnetic pump is worn out and needs to be replaced. If the pump body has sand holes or cracks, it should be welded or replaced. The sealing surface is uneven and needs to be trimmed. The mounting bolts are loose; tighten them. The leak-free magnetic drive pump has an excessive flow rate and is operating. Make contact and check to eliminate the fault. The motor bearing of the hot water leak-free magnetic pump is damaged; replace the bearing promptly. The voltage is insufficient; add a voltage stabilizer. Installation of leak-free magnetic drive pumps: When installing the pump body, a solid horizontal surface should be chosen to ensure stability. Inspection valves should be provided at the inlet and outlet of the pump body. Try to avoid installing machines outdoors. If it must be installed outdoors, it should be covered with a protective cover. If the pump body is equipped with an electronic controller, it should be protected. Pump bodies made of PVC should be protected from direct sunlight to prevent the material from becoming brittle. Before piping, the chemical liquids to be used, temperature conditions, and pressure head for transportation should be considered, and different pipe materials should be selected according to actual requirements.