844H Wheel Dozer Machine Systems Caterpillar


Selector and Pressure Control Valve (Secondary Steering) - Remove and Install

Usage:

844H BTW

拆卸步骤

开始:

  1. 连接转向机架锁。 请参阅拆解和组装, "转向机架锁 - 分离和连接"。
  2. 释放液压系统压力。 请参阅拆解和组装, "系统压力 - 释放"。
  3. 排空转向系统的液压油箱。 对于正在维修的机器,请参阅操作和保养手册, "转向和液压风扇系统机油 - 更换",了解正确的步骤。


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! ------

热油和热的部件可能会导致人员受伤。 请勿让热的液压油或热的零部件与皮肤接触。


注: 在所有管路、所有软管、所有导线及所有管上做出识别标记。 插接好所有线路、软管和管路。 这将有助于防止液体泄漏和污染物进入系统。




    图 1g00320515

  1. 从选择器和压力控制阀 (5) 断开软管组件 (1) 、管组件 (3) 和线束组件 (2) 。

  1. 拆卸螺栓 (4) 以及选择器和压力控制阀 (5) 。

安装步骤




    图 2g00320515

  1. 安装选择器和压力控制阀 (5) 以及螺栓 (4) 。

  1. 从选择器和压力控制阀 (5) 断开软管组件 (1) 、管组件 (3) 和线束组件 (2) 。

End By:

  1. 向液压系统注油。 对于正在维修的机器,请参阅 操作和保养手册, "转向系统和液压风扇系统机油 - 更换"。
  2. 分离转向机架锁。 请参阅 拆解和组装, "转向机架锁 - 分离和连接"。

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