Preventive maintenance and diving sewage pump

In order to ensure the normal use of submersible sewage pump and life, should conduct regular inspection and maintenance: 1, replace the seal ring: in sewage medium after long-term use, clearance between the impeller and the sealing ring can increase, resulting in decreased water pump flow rate and efficiency, should turn off the switch, the pump lift, remove the bottom cover, remove the seal ring, according to the impeller seal rings with actual size, clearance is in commonly 0. About 5 mm. 2, diving sewage pump long-term need not when, should be cleaned and lift in ventilated, dry place, pay attention to prevent frostbite. If placed in the water, for at least 30 min (every 15 days Can't dry grinding) To check its function and adaptation. 3, cable inspection at least once a year, if damaged, please give change. 4, check at least once a year electrical insulation and fastening screws, if motor insulation down please find specialist maintenance, if the fastening screw loose please retightened. 5, diving sewage water pump has before they go out into the right amount of engine oil, used to lubrication mechanical seal, the oil should be checked once a year. If it is found that the oil in water, should be put off, oil change, replace the gasket and tighten the screw. Three weeks later, must check again, if the oil and emulsion, the mechanical seal should be checked and should be replaced when necessary. 6, diving sewage pump running after failure occurs, please follow the troubleshooting methods are given out, if still cannot solve, and not sure why, don't disorderly open repair, secretly should immediately find a specialist maintenance.
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