797 Off-Highway Truck Caterpillar


Front Suspension (Cylinder) - Remove

Usage:

797 5YW

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     196-6960     挡圈工具     1    
B     138-7574     连杆支架     1    
C     160-5493     拉拔器     1    

开始:

  1. 拆下行车制动器。

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

    为了避免可能造成的人身伤害,在拆解前悬架油缸前卸掉充氮压力。


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

    高压油缸 在释放压力之前,不可拆卸任何零部件,否则会造成人身伤害。


  1. 确保悬架油缸中的氮气已排出。 请参阅专门说明书, SEHS9411, "维修非公路卡车的悬架油缸"。



    图 1g02139697

  1. 按圆周次序拧松每根螺栓 (1) 半圈。

    注: 未进行此步骤可能导致螺栓断裂。




    图 2g02139718

  1. 拆下十个螺栓 (1) 。 不要拆下指示的两个螺栓 (1) 。



    图 3g02139721

  1. 将工具 (A) 安装到固定板 (2) 上。 固定板 (2) 的重量约为 170 kg (375 lb)。 拆下其余螺栓 (1) 。 拆下挡板 (2) 。



    图 4g02139723

  1. 卸下垫片 (3) 。

    注: 记录垫片 (3) 的数量和顺序,以便安装。




    图 5g02139725

  1. 将工具 (B) 和适当的起吊设备连接到车桥 (4) 上。 车桥 (4) 的重量约为 1675 kg (3693 lb)。



    图 6g02139849

  1. 使用工具 (A) ,以便将工具 (C) 定位到车桥 (4) 上。 工具 (C) 的重量约为 110 kg (243 lb)。

  1. 安装三根螺栓 (1) 。 拆下工具 (A) 。



    图 7g02139851

  1. 等距安装其余的螺栓 (1) 。 均匀的拧紧螺栓 (1) 直至工具 (C) 接触到悬架油缸连杆 (5) 。

  1. 按圆周次序继续拧紧螺栓 (1) 半圈,直至心轴 (4) 从悬架油缸连杆 (5) 上分离。

  1. 使用工具 (A) 以便拆下工具 ( C) 。



    图 8g02140367

  1. 安装其余的垫块,以便支撑悬架油缸组件 (6) 的重量。 悬架油缸 (6) 的重量约为 3450 kg (7600 lb)。



    图 9g02139852

  1. 拆下螺栓 (7) 。 将车桥 (4) 从悬架油缸组件 (6) 上拆下。

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