773F and 775F Off-Highway Trucks Machine Systems Caterpillar


Metering Pump (Steering) - Remove and Install

Usage:

775F DLS

拆卸步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
FT-1114  真空舱 


注意

在检查、保养、测试、调整及维修产品时,请小心确保盛接油液。 在打开任何舱室或拆卸任何含有油液的部件前,请准备好盛接液体用的适当容器。


注: 在软管组件上标上识别标记,以用于安装目的。 插上软管组件。 这将有助于防止液体泄漏和污染物进入系统。

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。



    图 1g01313838

  1. 将工具 (A) 安装到转向油箱上。 将一条供气软管连接到工具 (A) 上。 施加 276 到 414 kPa(40 到 60 psi)的气压。 此步骤将使液压系统抽吸出真空。


    图 2g01313760

  2. 拆下螺栓 (2) 和盖组件 (1)。


    图 3g01313762

  3. 断开软管组件 (4)。 拆下螺栓 (3) 和计量泵 (5)。

安装步骤

表 2
所需工具 
工具  零件号  零件说明  数量 
FT-1114  真空舱 


    图 4g01313762

  1. 放置计量泵 (5) 并安装螺栓 (3)。 连接软管组件 (4)。


    图 5g01313760

  2. 放置计量泵 (1) 并安装螺栓 (2)。


    图 6g01313838

  3. 拆下工具 (A)。

Caterpillar Information System:

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