挖掘机故障案例终结版

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1、目录第一节液压系统......................................................................................................1一、整车突然没动作...................................................................................................................1二、整车动作慢，负载时更明显.....................................

2、........................................................3三、回转动作慢..........................................................................................................................5四、回转滑行量过大............................................................................................

3、.......................7五、左行走、回转单独动作速度慢...............................................................................................9六、机器动作慢无力.................................................................................................................11七、小臂、回转速度慢，单边行走无力但两侧同时行走时正常..

4、.................................................13八、铲斗动作慢........................................................................................................................16九、大臂无力，提升速慢.................................................................................................

5、..........18十、左行走前后都慢，回转慢......................................................................................................21十一、回转异响........................................................................................................................22十二、全车无动作......................

6、...............................................................................................24十三、发动机无法启动(带负荷)...............................................................................................25十四、破碎操作不受控制....................................................................

7、.....................................26十五、SY230启动着后动臂上升...............................................................................................27十六、挖掘机全车动作故障..................................................................................................28十七、挖掘机没动