安国泵业生产厂

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One

更换密封环：在污水介质中长期使用后，叶轮与密封环之间的间隙可能增大，造成水泵流量和效率下降，应关掉电闸，将水泵吊起，拆下底盖，取下密封环，按叶轮口环实际尺寸配密封环，间隙一般在0.5mm左右。

Replace the sealing ring: long-term use in water media, the gap between the impeller and the sealing ring can be increased, resulting in decreased pump flow and efficiency, should turn off the switch, lift the pump, remove the bottom cover, remove the sealing ring, according to the actual size of the impeller mouth ring sealing ring, the gap is generally about 0.5mm.

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Two

潜水排污泵长期不用时，应清洗并吊起置于通风干燥处，注意防冻。若置于水中，每15天至少运转30min（不能干磨），以检查其功能和适应性。

When the submersible sewage pump is not used for a long time, it should be cleaned and lifted in the ventilation and drying place, and the antifreeze should be paid attention to. If placed in water, at least 30min (not dry grinding) every 15 days to check its function and adaptability.

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Three

电缆每年至少检查一次，若破损请给予更换。

The cable is checked at least once a year. If the cable is damaged, please replace it.

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Four

每年至少检查一次电机绝缘及紧固螺钉，若电机绝缘下降请找专人维修，若紧固螺钉松动请重新紧固。

Check the motor insulation and fastening screws at least once a year. If the motor insulation falls, please find special maintenance. If the fastening screws are loose, please retighten them.