R1300G Load Haul Dump Machine Systems Caterpillar


Pilot Valve (STIC Steering) - Remove

Usage:

R1300G LJB

拆卸步骤

开始:

  1. 安装转向机架锁。 请参阅拆解和组装, "转向机架锁 - 拆卸和安装"。
  2. 释放液压系统压力。 请参阅拆解和组装, "系统压力 - 释放"。

注: 清洁度是一项重要的因素。 拆卸步骤开始之前,应彻底清洁部件外部。 这有助于防止尘土进入内部结构。

注: 为便于安装,在所有软管和所有导线上作出识别标记。 塞住所有软管。 这将有助于防止液体泄漏和污染物进入系统。


注意

在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。

有关适合收集和盛接卡特彼勒产品上液体的工具及用品,参考专门出版物, NENG2500, "卡特彼勒工具和修理车间设备指南"。

按照当地法规和指令处置所有液体。


------ WARNING! ------

滚热的油或液压油的压力会对人员造成伤害。

发动机停机之后,液压油的压力仍会保留在液压系统里。 对液压系统进行维修之前,如果不事先释放压力,可能会造成严重伤害。

卸下液压系统的部件或管路时,确保所有的作业机具都已降到地面上,而且液压油温度已冷。 只能在发动机停机,并且加注口盖冷却到可以用徒手触摸时才能卸下加注口盖。





    图 1g01091817

  1. 拆下盖 (1) 。



    图 2g01091818

  1. 断开电气接头 (2) 。



    图 3g01091819

  1. 断开两个电气接头 (6) 和 (7) 。 切断固定开关导线线束的电缆带。

  1. 断开四个软管组件 (8) 。

  1. 将开关 (3) 从三通 (4) 上拆下。

  1. 将三通 (4) 从 STIC 转向先导阀 (5) 上拆下。



    图 4g01096011

    STIC 转向先导阀和锁止组件视图

  1. 拆下三个螺栓 (10) 、螺母和垫圈。

  1. 将 STIC 转向先导阀 (5) 从杆 (9) 和锁止组件上分离。

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