Troubleshooting and Maintenance Strategy for Slurry Pump Failure

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• TIME : 2025-07-23

1、 Fault cause analysis

Power supply issue: Insufficient power supply or circuit failure may cause the slurry pump to fail to start. Check if the power supply is normal, and if it is insufficient, increase the power supply.

Mechanical malfunction:

Bearing damage: Poor lubrication of bearings, excessive or insufficient clearance between bearings, and poor wear resistance of bearing materials can all lead to bearing damage.

The pump shaft, bearings, and leakage reducing ring are rusted: Pumps that have not been used for a long time may not be able to rotate due to rust.

Severe bending of pump shaft: Long term exposure to unbalanced forces or improper installation may cause the pump shaft to bend.

Impeller problem: The impeller is severely worn or stuck by debris between the impeller and the pump body, causing the pump to be unable to rotate.

Sealing issue: The aging and severe wear of the sealing components, incorrect installation, or uneven sealing surfaces can lead to a decrease in the sealing performance of the pump.

Motor problems: Motor overheating, motor overload, poor heat dissipation, etc. may cause motor failure.

2、 Troubleshooting steps

Check the power supply: Confirm that the power supply is normal, the connector connection is reliable, the switch contact is good, the fuse is not blown, and there is no phase loss in the three-phase power supply.

Check mechanical components:

Check if the bearings need to be replaced, maintained, or repaired.

Check if the pump shaft, bearings, and leakage reducing ring are rusted, and if necessary, perform rust removal treatment.

Check if the pump shaft is bent and correct or replace it if necessary.

Check the impeller: Check if the impeller is severely worn or stuck by debris, and clean or replace it if necessary.

Check the seals: Check if the seals are aging or worn, and replace them if necessary.

Check the motor: Check if the motor is overheated, overloaded, or has poor heat dissipation, and take appropriate measures if necessary.

3、 Maintenance Strategy

Regular maintenance: Conduct a comprehensive inspection of the slurry pump regularly, including the wear and tear of key components such as bearings, seals, and impellers.

Optimize operating environment: Ensure stable power supply voltage and avoid motor overload operation; Strengthen the cooling measures of the equipment and reduce the operating temperature of the equipment.

Improve operational skills: Provide professional training to operators to enhance their operational skills and maintenance awareness; Develop detailed operating procedures and maintenance plans to ensure the standardized operation of equipment.

Select high-quality accessories: Choose accessories with good wear resistance and reliable quality to extend the service life of the equipment.

Through the above troubleshooting and maintenance strategies, the malfunction of the slurry pump not rotating can be effectively solved, ensuring the stable operation and production efficiency of the equipment.

　　This article originates from https://www.fuyangpumps.com/news/489.html. Please indicate the source when reprinting.

(Editor in charge: Slurry Pump https://www.fuyangpumps.com/)

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