液压系统的故障诊断 ,首先要了解液压系统工作原理 ,深刻领会 ,理清概念 ,掌握各液压机构的特点 ;其次是反复实践 ,掌握常见液压故障现象的原因 ;第三要掌握故障诊断的一般方法 ,推断可能的原因 ,分段排它 ,先易后难 ,只有这样才能透过现象把握本质 ,迅速准确地诊断液压系统故障。 Hydraulic system fault diagnosis, we must first understand the working principle of the hydraulic system, a profound understanding of the concept, to grasp the characteristics of the hydraulic mechanism; followed by repeated practice to grasp the common causes of hydraulic fault phenomenon; the third to master the general method of fault diagnosis , Infer possible causes, sub-paragraph exclusive, easy after the first difficult, the only way to grasp the essence of the phenomenon, rapid and accurate diagnosis of hydraulic system failure.