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针对东风4D型机车万向轴连续断裂故障对机车进行全面分析 ,找出了故障原因是柴油机各缸喷油及燃烧不均匀引起异常振动。通过更换不良喷油器并对各缸进行调整 ,解决了万向轴连续断裂问题。
Aiming at the continuous failure of the universal joint shaft of DF4D locomotive, the locomotive is analyzed comprehensively to find out the cause of the malfunction that the abnormal vibration caused by the uneven fuel injection and combustion in every cylinder of diesel engine. By replacing the bad injector and adjust each cylinder, to solve the universal shaft continuous fracture problem.