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1.伸臂抖动1台加藤NK-400型汽车起重机,伸缩臂同步伸到18 m时,出现抖动现象。首先,把吊臂全部伸出后,检查伸缩臂外部,未发现磨损或拉伤痕迹。拆下三节吊臂前部滑块检查,左右侧滑块无磨损、拉伤痕迹。以上检查结果说明伸缩臂与左右面滑块的间隙调整得当,润滑情况良好,该机伸臂发抖与吊臂外部没有直接关系。
1 arm jitter 1 Kato NK-400 truck crane, telescopic boom simultaneously extended to 18 m, there jitter phenomenon. First, after all the boom has been extended, inspect the outside of the telescopic arm for no signs of wear or strain. Remove the three jib front slider check, left and right side slider no wear and tear, traces of trauma. The above test results show that the gap between the telescopic arm and the left and right side slide adjustment properly, lubrication is good, the aircraft jib shaking and jib external no direct relationship.