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围绕日立ZAXIS330型挖掘机行走无力这一故障实例,介绍了该挖掘机行走液压系统的工作原理,重点论述了故障原因分析和利用直观经验法进行故障排查的过程,总结出对于挖掘机这类复杂设备液压系统进行故障诊断与排除应遵循的顺序和原则。
Based on Hitachi ZAXIS330 excavator walking weakness example, this paper introduces the working principle of the hydraulic system of walking excavator, focusing on the analysis of the cause of the failure and the use of intuitive experience method troubleshooting process, summarizes the excavator for such complex Hydraulic system equipment troubleshooting and exclusion should follow the order and principles.