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我单位有一台厦门产ＺＬ４０装载机，在工作过程中突然出现转向不灵的现象，即当装载机转向时尤其是急转向时突然出现转不动转向盘的情况，此时如果挂上倒挡往后行走一段距离，同时向相反方向转动转向盘，然后再挂上前进挡向前行驶，则转向又恢复了正常。 按照以往的检查方法，
I have a unit in Xiamen ZL40 loaders, in the course of the sudden emergence of the phenomenon of steering is not working, that is, when the steering wheel loader, especially when suddenly turning the steering wheel can not be turned at this time if the reverse gear After walking some distance, while turning the steering wheel in the opposite direction, and then hung forward to drive forward, the steering and returned to normal. According to the previous inspection methods,