â‘ check before starting the pump impeller rotation is flexible, the oil chamber is oil. After power rotation direction should be correct.
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â‘¢ It is forbidden to use the pump cable as suspension cable to avoid danger.
â‘£ regular inspection, the motor phase and the relative insulation resistance, shall not be less than the allowable value, or should be disassembled overhaul, and check the pump ground is solid and reliable.
⑤ submersible sewage pump should be put into use after stopping? [Water running a few minutes to prevent deposits left in the pump to ensure that the pump clean.
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⑦ between the impeller and the pump seal shall not be worn, the gap shall not exceed the allowable value, or should be replaced seal ring.
⑧ After running six months should always check the oil pump seal, such as the oil chamber was emulsified oil or water precipitation, should be promptly replaced 10-30 number of oil and mechanical seals.
⑨ Do not disassemble the pump parts, do not knock, knock, to avoid damage to seals. After a year of work under normal conditions, an overhaul should be carried out to replace the worn and worn parts and check the condition of the fasteners .