故障现象:
现代R265-9挖掘机大臂液压缸向外泄漏液压油是密封圈磨损了吗?
现代R265-9挖机油缸外泄漏故障原因:
1、活塞杆密封圈损坏。
2、管接头密封不严。
3、缸盖处密封不良。
现代R265-9挖机油缸外泄漏故障诊断与排除:
1、检查管接头处有无泄漏
2、如有,看是密封圈损坏还是接触面有伤痕,并加以更换或修理。
3、如无泄漏,则检查活塞杆有无拉伤。
4、如有,修复活塞杆,如没有,更换密封圈。
5、最后检查缸盖处密封情况,并加以更换或修理。
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