To ensure safe and efficient operation of the water pump, follow these guidelines carefully:
1. Install the pump on a sturdy iron frame or wooden base that is at least 10mm larger than the motor feet. Make sure the motor is properly grounded to prevent electrical shocks. A reliable ground connection is essential for safety.
2. Before starting the pump, check if the motor is damp or if there are any issues with the wiring. Also, inspect the mechanical components to ensure they are not stuck or loose. If anything seems wrong, fix it before proceeding.
3. Use the correct size hose for the pump. Connect one end of the suction pipe to the bottom valve and the other end to the pump’s inlet. Then, fill the pump with water through the outlet. Loosen the vent plug to release any air inside, then tighten it once all air has been expelled.
4. The power cable should be 4 square millimeters in cross-section and connected via a 10A single-phase switch. Never connect the pump directly to a lamp socket. When wiring, always prioritize safety—make sure all connections are secure and avoid wrapping unused wires to prevent electric shock hazards.
5. After turning on the power, start the motor within 3 seconds. If it doesn’t start, immediately cut off the power and check the circuit for faults.
6. Under low voltage or low lift conditions, monitor the motor’s temperature. If the pump becomes too hot, it may automatically shut off. Once the motor cools down, it will restart automatically.
7. The pump uses a skeleton oil seal. Over time, this seal can wear out. If the pump runs dry for an extended period, replace the seal promptly to avoid damage.
8. Protect the motor from direct sunlight and rain. If the pump is not used for a long time, drain all the water and apply a small amount of oil or grease to the surface to prevent rust.
**Common Troubleshooting Tips:**
1. **Pump Does Not Run:** If the mechanical parts are jammed, adjust the clearance to make them move smoothly. If the issue is with the electrical system, repair the circuit.
2. **No Water Discharge:** Check for leaks in the suction pipe and reseal any joints. Ensure all air is removed by loosening the vent bolt. If the pump isn’t filled with water, add more. If the shaft seal is damaged, replace it.
3. **Low Flow Rate:** If the head pressure is too high, adjust it. Clean any blockages in the bottom valve or impeller. If the pipeline is too long or too curved, shorten it and change the bend angle.
4. **Motor Overheating:** If the power cable is too short, replace it with a longer one of larger diameter. Reduce the operating time if the pump head is too low. If there is mechanical friction, adjust the clearance to eliminate it.
By following these steps and regularly maintaining your pump, you can extend its lifespan and ensure optimal performance. Always prioritize safety when handling electrical equipment and mechanical systems.
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