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


Air Control Valve (Parking 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. 从驾驶室拆下前盖。 请参阅拆解和组装, "盖(驾驶室前部) - 拆卸和安装"。

------ 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。


  1. 在所有软管组件、管组件和导线线束上作识别标记, 以便于安装。 塞住和盖上所有接头以防脏污。


    图 1g00521347

  2. 松开将手柄 (2) 固定至换档杆的调整螺钉 (1)。 从换档杆上拆下手柄 (2)。


    图 2g00521348

  3. 拆下将控制台盖 (4) 固定至控制台的四个螺钉 (3)。 从控制台上拆下控制台盖 (4)。


    图 3g00521350

  4. 从空气控制阀上断开软管组件 (5)。


    图 4g00521353

  5. 从控制台盖上拆下卡箍 (6)。


    图 5g00521354

  6. 从空气控制阀上断开软管组件 (7)。


    图 6g00521356

  7. 从控制台盖上拆下贴膜 (8)。


    图 7g00521360


    图 8g00521363

  8. 拆下将空气控制阀 (10) 固定至控制台盖的两个螺钉 (9)。 从控制台盖上拆下空气控制阀 (10)。

安装步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
A  5P-3413  管密封胶 

  1. 安装之前先核实空气控制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 9g00521363


    图 10g00521360

    注: 安装时,将工具 (A) 应用于所有管塞、润滑嘴和接头。

  3. 在控制台盖上定位空气控制阀 (10)。 安装将空气控制阀 (10) 固定至控制台盖的两个螺钉 (9)。


    图 11g00521356

  4. 将贴膜 (8) 安装至控制台盖。


    图 12g00521354

  5. 将软管组件 (7) 连接至空气控制阀。


    图 13g00521353

  6. 将卡箍 (6) 安装至控制台盖。


    图 14g00521350

  7. 将软管组件 (5) 连接至空气控制阀。


    图 15g00521348

  8. 将控制台盖 (4) 置于控制台上。 安装将控制台盖 (4) 固定至控制台的四个螺钉 (3)。


    图 16g00521347

  9. 将手柄 (2) 置于换档杆上。 拧紧将手柄 (2) 固定至换档杆的螺钉 (1)。

结束:

  1. 将前盖安装至驾驶室。 请参阅拆解和组装, "盖(驾驶室前部) - 拆卸和安装"。

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