Agricultural Pump Common Faults and Troubleshooting Methods

Agricultural water pumps often affect agricultural irrigation due to failure during use. Now its common faults and exclusion methods are described as follows: 1. The water pump starts without water, and the water is insufficient or the water is stopped halfway. Causes and exclusion methods: 1 No water is poured into the pump or the water is not filled. The water pump should be filled with water or water in the pump should be filled with water. 2 The total working head or suction head of the pump exceeds the specified standard. Replace the high lift pump or reduce the pump position. 3 The pump speed is not enough or reversed. The pump speed should be increased to adjust the pump steering. 4 If the bottom valve of the suction pipe is clogged or rusted, the plug of the suction valve should be removed or the bottom valve must be repaired. 5 The pump impeller is clogged or worn. Should remove the plug on the impeller or replace the impeller. 6 Leakage in suction line or pump packing. Tighten the suction line or press the pump packing. 7 There is air in the suction pipe or in the upper part of the pump. The suction pipe should be properly installed or the air in the upper part of the pump should be drained. 8 Suction valve bottom valve is exposed to the water or the water depth is not enough. Should take a long suction pipe or reduce the pump position. 2, the power machine does not move. Causes and remedies: 1 The actual head and flow rate of the pump exceeded the specified range. Should adjust the head, flow, close the small valve, reduce the amount of water. 2 Small power and large water pump. Should reduce the pump speed or change the power engine. 3 bearing damage. Impeller and pump casing have serious friction. The bearings should be replaced, the wear of the impeller checked, and the impeller replaced if necessary. 4 The shaft of the water pump is bent or the axes of the machine and pump are not concentric. The water pump shaft or adjuster or pump coupling should be straightened to make it concentric. 3, the machine vibration, abnormal sound or bearing heat. Causes and remedies: (1) When the suction head exceeds the specified standard or the bottom valve is blocked, the pump position should be reduced or the plug on the bottom valve should be removed. 2 There is a vortex in the suction tank and the air enters the pump. The water inlet depth should be increased to put a wooden frame on the water. 3 The pump shaft is bent, misaligned, bearing is damaged, and the machine is not fixed firmly. The situation should be separately identified and resolved according to different reasons.