目 录
2.1 现代液压设备概述..............................................................................................................4
2.2 液压系统构成.......................................................................................................................6
3.1 液压故障的概念..................................................................................................................8
3.2 液压故障的属性...................................................................................................................9
3.3 液压系统故障的特点..........................................................................................................9
3.4 液压故障的分类.................................................................................................................10
3.5 液压传动系统的几种常见故障现象.................................................................................11
4 液压系统检测与诊断的基本原理、要求和步骤......................................................................13
4.1 液压系统检测与诊断的基本原理.....................................................................................13
4.2 液压故障的征兆.................................................................................................................13
4. 3 液压故障诊断的基本要求................................................................................................13
4.4 液压故障诊断的一般步骤.................................................................................................14
5.1 液压故障诊断的技术.........................................................................................................16
5.2 查找液压故障的方法.........................................................................................................16
5.3 液压故障诊断的方法.........................................................................................................17
5.4 液压故障诊断的工作内容.................................................................................................17
6.1 液压泵故障原因与排除（以柱塞泵为例）....................................................................18
6.2 液压缸故障原因及排除.....................................................................................................22
6.3 溢流阀故障原因及排除.....................................................................................................25
6.4 减压阀故障原因及排除.....................................................................................................26
6.5 顺序阀故障原因及排除.....................................................................................................27
6.6 液控单向阀故障原因及排除.............................................................................................27
6.7 换向阀故障原因及排除.....................................................................................................28
6.8 流量控制阀故障原因及排除.............................................................................................29
6.9 液压辅助元件，压力继电器故障原因及排除................................................................30
7 工程机械液压系统的故障诊断与故障维修实例.......................................................................31
7.1 CPC05 型液压叉车工作装置与转向部分的故障诊断....................................................31
7.2 ZL50 型装载机三种液压故障的诊断及排除.................................................................35
8.3 液压设备操作注意事项..................................................................................................40
8.4 主动预防性维护的实施....................................................................................................41
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