69D and 769D Off-Highway Trucks and 771D Quarry Truck Machine Systems Caterpillar


Air Ratio Valve (Front Brake) - Remove and Install

Usage:

769D 5SS

拆卸步骤

开始:

  1. 释放气罐中的空气。 请参阅拆解和组装, "气罐(制动器)- 排气"。

  2. 从驾驶室上拆下后盖。 请参阅拆解和组装, "盖(驾驶室后部)- 拆卸和安装"。

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

车斗降下后,车斗与机架之间没有空隙。 如果不安装固定缆线,可能会导致在此区域作业的人员受伤或死亡。


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

为防止可能的人身伤害,在断开空气系统的任何部件前,释放空气箱压力。


注: 将盖和塞安装在全部孔口上,以免污垢或碎屑进入系统。 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。 这将防止脏污进入内部部件。



    图 1g00559787

  1. 从空燃比阀 (2) 上断开软管组件 (1)。


    图 2g00559788

  2. 拆卸将空燃比阀 (2) 固定至驾驶室的螺栓 (3)。 将压力保护阀 (2) 从驾驶室上拆下。


    图 3g00559790

  3. 将接头组件 (4) 从空燃比阀 (2) 上拆下。

安装步骤

  1. 安装之前先核实差速器锁阀的所有部件清洁无异物。

  2. 检查所有部件是否磨损,必要时更换部件。


    图 4g00559790

  3. 将接头组件 (4) 安装至空燃比阀 (2)。


    图 5g00559788

  4. 将压力保护阀 (2) 置于驾驶室上。 安装将空燃比阀 (2) 固定至驾驶室的螺栓 (3)。


    图 6g00559787

  5. 将软管组件 (1) 连接到空燃比阀 (2) 上。

结束:

  1. 将后盖安装至驾驶室。 请参阅拆解和组装, "盖(驾驶室后部)- 拆卸和安装"。

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