Precautions when using submersible sewage pump

1, submersible sewage pump installation of fixed and mobile two. When the fixed automatic installation is adopted, the chain cables shall be respectively inserted into (deviating from the outlet of the pump, and the connection shall be parallel to the outlet of the pump). Two lifting screws or lifting pumps shall be used to lift the chain from the lifting plate. Slide evenly and slowly along the guide until it is automatically coupled into place. When using a mobile installation, first set up the hose and use the chain to pull the electric pump up and down through two rings. Be careful not to use the cable as a rope to avoid danger.

2. Measure the insulation resistance between the same and the relative ground of the electric pump motor with a 500V megger. The value should not be less than 2 megohms. Otherwise, the stator windings of the motor should be dried. The drying temperature should not exceed 120°C.

3, submersible sewage pump should be carefully checked before use whether the cable is damaged, whether the fasteners loose or fall off, the pump in the transport, storage, installation process without deformation or damage.

4. The pump with no self-circulation cooling device is forbidden to expose the water surface for a long time in order to prevent the electric pump from being damaged due to overheating.

5. Do not operate the pump for a long period of time under low head (usually the head must not be less than 60% of the rated head). It is better to control within the recommended head range to prevent the electric pump from burning out due to overload.

6, submersible sewage pump in no special circumstances must be equipped with automatic pump control cabinet, not directly linked to the grid or use a knife switch to turn on the power to ensure the normal operation of the electric pump.

7, submersible sewage pump chassis ground must be strictly in accordance with the relevant procedures, in order to ensure personal safety during use, when the electric pump is running, it is strictly prohibited to install people in the vicinity of the water to do things or move, in case of electric pump leakage occurs Accident.

8. When the submersible sewage pump is turned on, the rotation direction is turned counterclockwise when viewed from the inlet. If the electric pump is reversed, just move any two wires in the cable to adjust the wiring position.