773D, 773E, 775D and 775E Off-Highway Trucks Machine Systems Caterpillar


Tire and Rim (Front) - Remove and Install

Usage:

773D 7CS

拆卸步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
A  9U-7536  起吊台架 
4C-5809 电动液压泵总成 
4C-5749 推车 

开始:

  1. 安装车轮楔子。 请参阅拆解和组装, "车轮楔子(前和后)- 拆卸和安装"。


    图 1g00506430

  1. 使用工具 (A) 提起机器前部,直到大部分重量从轮胎和轮辋组件 (1) 上移开。

  2. 从轮胎和轮辋组件 (1) 上的 14 个全高螺母中拆下 12 个。

    注: 其余的两个全高螺母和硬垫圈应留在轮胎和轮辋组件上(彼此呈180度)。

  3. 使用工具 (A) 提起机器,直到轮胎和轮辋组件 (1) 离开地面。

  4. 定位升降机,使叉具位于轮胎和轮辋组件 (1) 下面。 重新将吊索绕在轮胎和轮辋组件 (1) 周围,并将吊索固定在升降机上,如图所示。


    图 2g00540960

  5. 如图所示,也可使用轮胎装卸机拆卸轮胎和轮辋组件。

  6. 从轮胎和轮辋组件 (1) 上拆卸其余两个全高螺母和硬垫圈。 拆卸轮胎和轮辋组件 (1)。 轮胎和轮缘 (1) 的重量为 1180 kg (2600 lb)

安装步骤

表 2
所需工具 
工具  零件号  零件说明  数量 
A  4C-5749  推车 
4C-5809 电动液压泵总成 
9U-7536 起吊台架 
B  4C-5593  防粘结剂 

  1. 安装之前先核实轮胎和轮辋组件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。

    注: 轮辋安装表面必须没有油漆和润滑脂。



    图 3g00506430

  3. 定位升降机,使叉具位于轮胎和轮辋组件 (1) 下面。 重新将吊索绕在轮胎和轮辋组件 (1) 周围,并将吊索固定在升降机上,如图所示。 轮胎和轮缘 (1) 的重量为 1180 kg (2600 lb)


    图 4g00540960

  4. 如图所示,也可使用轮胎装卸机安装轮胎和轮辋组件。

  5. 将工具 (B) 应用于硬垫圈表面和全高螺母的螺纹上。

  6. 将硬垫圈和 14 个全高螺母安装至轮胎和轮辋组件 (1)。 将全螺纹螺母上紧到 1210 ± 55 N·m (900 ± 41 lb ft) 的扭矩。

  7. 使用工具 (A) 以便将机器前部降至地面。

结束:

  1. 取走车轮楔子。 请参阅拆解和组装, "车轮楔子(前和后)- 拆卸和安装"。

Caterpillar Information System:

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