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1、目录目录.................................................................................................................................................I第1章安全注意事项................................................................................................................

2、5第2章液压支架电液控制系统对工作介质的要求....................................................................7第3章液压系统......................................................................................................................13一、支架液压系统总体概述.........................................

3、..................................................................13二、支架液压系统典型控制回路....................................................................................................15三、液压系统的安装、使用及维修、维护.....................................................................

4、...............22第4章14功能15出口电液换向阀组.....................................................................................23一、概述...........................................................................................................................................23二、结构特

5、征及工作原理...............................................................................................................23三、安装使用与维护、贮存...........................................................................................................31四、常见故障分析与排除....................

6、...........................................................................................31五、出现故障时的处理程序和方法................................................................................................32六、电液换向阀备件明细......................................................

7、.........................................................33第5章辅助阀.........................................................................................................................43一、PM3/VAL/LV500D立柱液控单向阀............................................................

8、............................43二、PM3/VAL/POC/AT20A推移单向锁.................................................