Want to ensure that wqd submersible sewage pump can be long-term stable operation, it should always be on the submersible sewage pump maintenance, sewage pump manufacturers today to teach you how to submarine sewage pump for routine maintenance.
1, if the submersible sewage pump for a long time not used, then you need to always wash, and placed in a ventilated and dry place, while paying attention to antifreeze. If you put in water, then need to run at least 15 days every 30min (not dry grinding), pay attention to check the pump function and adaptability.
2, pay attention to replace the seal ring: When the pump in the sewage medium for long-term operation, the impeller and seal ring gap is likely to increase, resulting in pump flow and efficiency, should turn off the gate, the pump lift, remove Bottom cover, remove the seal ring, according to the actual size of the impeller ring ring with the seal ring, the gap is generally about 0.5mm.
3, the cable at least once a year check, if damaged please give replacement.
4, at least once a year to check the motor insulation and fastening screws, if the motor insulation drop please find someone to repair, if the tightening screws loose, please re-tighten.
5, submersible sewage pump in the factory has been injected with the right amount of oil to lubricate the mechanical seal, the oil should be checked once a year. If you find water in the oil, it should be let go, replace the oil, replace the gasket, tighten the plug. After three weeks, to be re-check, if the oil into the emulsion, the mechanical seal should be checked, if necessary, should be replaced.
6 ,, submersible sewage pump operation failure, please press the troubleshooting method given, such as still can not be resolved, and can not determine the reasons, do not self-chaos repair, should immediately find someone to repair.
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