The mechanical seal is arranged between the shaft of the motor and the pumpcavity.
机械密封安置在电机轴与泵腔之间。
2
Sediment transport may not pump more water or mud. Flooding electric motor cavity should always clean up the sand, the replacement of electric water cavity.
电泵不得输送含沙量较多的水或泥浆。水浸电机应经常清理电机腔内的沙粒，更换电机腔内的清水。
3
Sure to rotate the pump shaft when pouring lubricating grease, in order that the grease can get into packing cavity fully until have grease oozed out from gland.