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| 1, when the absolute prohibition of lifting equipment lifting cable or cable for direct lifting other weights. 2, the cable is strictly prohibited in the liquid into the liquid. 3, all equipment should be reliable grounding of the equipment to prevent the occurrence of electric shock accident. 4, the outlet pipe diameter shall comply with the requirements (the caliber principle shall not be less than the pump). 5, submersible sewage pump can not be placed in the sewage at the entrance. When the water pump is put in the mud or floating sand, water pump due to vibration, generating subambient, in this case, it is recommended pump placed in a relatively large floor. 6, in sewage using the pump, casing around will mud and debris accumulation, resulting in reduce the heat transfer speed, the motor temperature rise, relationship of stator service life or cause undue trip, so in the suction of sewage level to the lowest after, please remove debris (once a year), when necessary, open cooling sleeve fixed board, cleaning cooling jacket and a circulating water pipe in the debris. 7, when the temperature dropped to below 0 DEG C, if water is still normal operation can continue to use. Otherwise, it shall be placed in ventilated, dry place lift, and pay attention to antifreeze. |
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