1, Before operation, check the insulation resistance of the motor stator windings to the ground using a megohmmeter, and the minimum is not less than 1 megohm.
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3, when the voltage exceeds the rated voltage of ± 10%, shall not start the pump.
4, in order to ensure the use of safety, the ground wire in the four-core cable must be reliably grounded to prevent electric shock accident.
5, electric pump in the submerged water, should be vertical lifting, do not allow horizontal placement, but can not sink into the sludge. Stop using the pump should be lifted and cleaned, placed in a dry place, and pay attention to antifreeze.
6, never allow the cable as a lifting rope to use.
7, seized customs? Glaze vulgar? Ying? By 蛳 donkey from ξ?
8, moving the pump, you must cut off the power, pumps in operation, people may not touch the water to prevent personal injury accident occurred.
9, It is forbidden to run the motor out of phase. If the fuse is found to be blown, check the reason before using it, and do not arbitrarily bold the fuse.
10, pump operation, there should be someone management, such as found to be abnormal phenomenon should be immediately shut down to check and troubleshoot. (In the case of not equipped with automatic protective cabinet.)
11, the electric pump in the working medium conditions for normal operation for six months, the oil chamber seal should be checked, such as oil in the oil chamber was emulsified or water precipitated, should be promptly replaced 10-20 number of mechanical oil and mechanical seals . For the use of poor working conditions in the pump, the more regular maintenance.
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