740 GC, 740 Ejector, 745 Articulated Truck Power Train Caterpillar


Front Axle - Remove and Install

Usage:

745 3F6

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
A  9U-7546  底座组件 
9U-7542 管组件 
447-0910 电动液压泵总成 115V 
447-0911 电动液压泵总成 230V 
B  439-3939  连杆支架 
C  9U-7546  底座组件 
D  422-8733  一套修理台 

开始:

  1. 拆下前挡泥板。

  1. 将蓄电池断路开关转到断开位置。

  2. 接合停车制动器。 用楔子楔住后轮胎。


    图 1g01185938

  3. 利用工具 (A) 升起机器前部。 机器应当升起足够的高度,以便于前轮胎的拆卸。


    图 2g01186780

  4. 将工具 (C) 定位到机器中心位置的下方,用作附加支撑。

  5. 拆下前轮和轮胎。 请参阅拆解和组装, "轮胎和轮辋 - 拆卸和安装"。


    图 3g03863251

  6. 断开前传动轴 (2)。

  7. 断开软管组件 (1) 和管组件 (3)。


    图 4g03863337

  8. 拆下护罩 (4) 和护罩 (6)。

  9. 将线束组件 (5) 从车桥上断开,然后拆下将线束组件 (5) 连接到车桥的所有夹子。

  10. 将管组件 (7) 从车桥上断开,然后拆下将管组件 (7) 连接到车桥的所有夹子。

  11. 对于另一侧,重复步骤8 至10。


    图 5g03863363

  12. 拆下螺栓 (8) 后将垫块 (9) 放到一边。


    图 6g01186537

  13. 拆下螺栓 (11) 后断开稳定杆 (10)。


    图 7g01186560

  14. 拆下顶部的三个螺栓 (12)。


    图 8g01186595

  15. 将适当起吊设备连接至支架 (13)。 支架 (13) 的重量约为 35 kg (75 lb)。 拆下下部螺栓 (12) 后拆下支架 (13)。


    图 9g01186614


    图 10g01186765

  16. 将工具 (B) 和适当的起吊设备固定到前桥组件 (20) 上。 前桥组件 (20) 的重量约为 2177 kg (4800 lb)。 利用适当的起吊设备撑住前桥组件 (20) 的重量。

  17. 拆下螺母 (17)、垫圈 (15) 和销组件 (16)。 将悬架油缸 (14) 放到一边。 对另一侧重复上述步骤。 将前悬架 (18) 落到工具 (D) 上。 拆下螺栓 (19) 后将前桥组件从机器上落下。

安装步骤

  1. 按与拆卸相反的顺序安装前桥组件 (20)。

    1. 需要使用专门工具来安装前悬架油缸密封件。 请参阅拆解和装配, "前悬架油缸 - 拆卸和安装",以安装前悬架油缸密封件。

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