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一台柳工ZL50型装载机,停用一段时间后出现无法转向的故障,转动转向盘,转向轮向左、右只能偏转10°。这是一台老式装载机,配置的是液压助力铰接式转向机,转向随动阀带反馈杆。分析认为,既然左、右能转10°,说明泵和油缸没有问题,问题可能出在转向器上。拆检发现转向器直齿、扇形齿轮和随动阀都已生锈。经清洗润滑检查,组装
A Liugong ZL50 loader, disabled for a period of time can not turn the fault, turn the steering wheel, steering wheel to the left and right can only be deflected 10 °. This is an old loader, equipped with a hydraulic assist articulated steering gear, steering servo valve with feedback lever. Analysis, since left and right can turn 10 °, indicating no problem with the pump and cylinder, the problem may be on the steering gear. Disassembly found steering gear spur, sector gear and follow-up valve has been rusty. After cleaning lubrication inspection, assembly