What is the correct operation process of sewage pump?

1. Before running, check the insulation resistance of the motor stator winding to the ground with a megger, and the minimum resistance should be not less than 50 megohms.

2. Check whether the cable is damaged or broken. If it is damaged, it must be replaced in time to avoid leakage; The cable section should match the current.

3. When the voltage exceeds 10% of the rated voltage, the electric pump shall not be started.

4. In order to ensure the safety of use, the grounding wire in the four-core cable must be reliably grounded to prevent electric shock accidents.

5. When the electric pump dives into the water, it should be lifted vertically, and it is not allowed to land horizontally or get stuck in the mud. When stopping using, the electric pump should be lifted and cleaned, put in a dry place, and pay attention to antifreeze.

6. It is forbidden to use cables as lifting ropes.

7, check the rotor running direction, from top to bottom should be clockwise rotation.

8. Outdoor switch or grounding wire should have waterproof and moisture-proof measures. Do not touch the switch when wet hands or barefoot to prevent electric shock.

9. When moving the electric pump, the power supply must be cut off, and people should not touch the water source when the electric pump is running, so as to prevent personal accidents caused by electric leakage.

10, it is forbidden to run the motor without phase. If the fuse is found to be blown, it should be checked before use, and the fuse should not be thickened at will.

1 1. When the stirring submersible sewage pump is running, it should be managed by a special person. If abnormal phenomena are found, stop the machine immediately for inspection and troubleshooting. (refers to the situation that there is no fully automatic protective cabinet).

12. After the electric pump runs normally under the specified working medium for half a year, check the sealing condition of the oil chamber. If the oil in the oil chamber is milky white or there is water precipitation, replace the mechanical oil and mechanical sealNo.10 ~ 20 in time. For electric pumps used in harsh working conditions, they should be overhauled frequently.

13. Users should choose the appropriate flow head according to the actual working conditions to achieve the best use effect. The parameters shown on the nameplate or manual of the pump are the best working conditions of the pump. Users can choose to use it within the range of (0.7 ~ 1.2) times the optimal flow rate, and it is forbidden to use it beyond the flow rate, otherwise the motor will be overloaded if the flow rate is too large and the lift is too low.