Pumps common faults, in general, can be divided into two types of hydraulic faults and mechanical faults. Failure, should be promptly checked and ruled out, not to make the machine "sick" work. Troubleshooting procedures are: to clarify the phenomenon - → Analysis of the reasons - → be excluded. Centrifugal pump in operation, the pump out of water. Reason: 1, the suction pipe submerged not deep enough, the pump inhalation; 2, pipe joints leaks, leaking; 3, suction pipe or impeller with water and debris; 4, the water is too high; 5, seal packing leak ; 6, the water head is too high; 7, the speed is not enough; 8, the water pipe suddenly blocked by debris; 9, was clogged with debris or broken; 10, nozzle suction large amount of air to exclude: Pipe length, put a piece of wood on the water to prevent air from entering the water pipe. 2. Tighten the connecting screws or replace the gasket. 3. Clear the water and debris. 4. Reduce the water level or turn off the valve on the small pressure pipe. 5. Tighten the gland or replace Packing 6. Adjust suction head or closing gate valve 7. Adjust the tightness of transmission belt Centrifugal pump in operation, the pump suddenly stopped water 8. Stop the blockage after removal 9. After shutdown, disassemble the pump to remove debris or replace the impeller 10. deepen the depth of the submerged suction pipe In short, the cause of the pump failure is multifaceted, to be careful analysis, do not be too busy demolition of mechanical parts. Should follow the "first external, internal" principle check to find out the reason, "the right medicine," troubleshooting.
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