How can I tell if a gravel pump needs repair?

Here are some ways to determine whether a gravel pump needs repair:

Observe the operating conditions:

- Significantly reduced or unstable flow rate may be due to impeller wear, clogging, etc.

- Abnormally lower or fluctuating pressure, indicating that there may be problems within the pump.

- pumps appear violent vibration or abnormal noise, may be the impeller imbalance, bearing damage, etc..

Check the appearance:

- There are obvious cracks or leaks in the pump body or connection areas that require repair.

- There is substantial leakage at the shaft seal.

Monitor current:

- Current is consistently too high or too low and differs significantly from normal operating values.

Check for wear and tear:

- Regularly disassemble and check the wear of key components such as impellers and sheaths, if the wear is severe beyond the permissible range.

Pay attention to temperature changes:

- Abnormally high pump body or bearing temperatures may indicate poor lubrication or component failure.

For example, when the gravel pump is found to be running with an abnormal harsh sound accompanied by large vibrations, it is likely that the impeller has a serious imbalance or the bearings have been damaged, and it is necessary to shut down in time for maintenance and inspection. Or found that the pump flow continues to decrease, even if the adjustment of operating parameters can not return to normal, then it may be the pump parts wear or clogging and other problems, need to carry out in-depth investigation and repair.