844H Wheel Dozer Machine Systems Caterpillar


Main Control Valve - Remove

Usage:

844H BTW

拆卸步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     138-7575     连杆支架     1    

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"。

------ 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。


注: 为便于安装,在所有管路、所有软管、所有导线及所有导线上做出识别标记。 塞住所有管子和所有软管。 这将有助于防止液体泄漏和污染物进入系统。

  1. 从机具和制动系统的液压油箱将机油排入适当的容器以便保存或合适的废弃处理。



    图 1g00883233

  1. 拆下端盖组件 (1) 。



    图 2g01257964

  1. 从主控制阀 (4) 断开线束组件 (2) 和软管组件 (3) 。



    图 3g01257954

  1. 将工具 (A) 和适当的起吊设备连接到主控制阀 (4) 。 主控制阀 (4) 的重量约为 77 kg (170 lb)。

  1. 从主控制阀 (4) 的每侧拆卸安装螺栓 (5) 并拆卸主控制阀 (4) 。

Caterpillar Information System:

844H Wheel Dozer Machine Systems Main Control Valve - Assemble
844H Wheel Dozer Machine Systems Main Control Valve - Disassemble
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