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输油泵弹簧折断引起的故障一铁牛-55型拖拉机突然不能起动,检查柴油油路时,发现有气体,排除气体后再次起动,油路中又充满气体。进一步检查发现,输油泵出油阀与其座之间垫有一金属丝。金属丝是从哪来的呢?原来是输油泵弹簧断了,掉进去一段弹簧丝,导致输油泵不泵油,发动机低压油路中的气体排不净,发动机不能起动。更换输油泵弹簧后,故障
Oil pump spring break caused by a failure of a tractor -55 tractor suddenly can not start, check the diesel oil, found that there is gas, remove the gas and start again, the oil is full of gas. Further examination revealed that there was a wire between the delivery valve and its seat. Where does the wire come from? It turned out that the spring of the oil pump was broken and dropped into the spring wire, causing the oil pump not to pump oil. The gas in the low-pressure oil circuit of the engine was not completely discharged and the engine could not start. Replace the pump spring, the fault