G3520C and G3520E Generator Set Engines Caterpillar


Crankshaft - Remove

Usage:

G3520C B9P

拆卸步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     138-7576     连杆支架     2    

开始:

  1. 拆卸驱动器壳体。 请参阅拆解和组装, "驱动轴壳体(后)- 拆卸和安装"。
  2. 拆下飞轮壳体。 请参阅拆解和组装, "飞轮壳体 - 拆卸"。
  3. 拆下排气歧管。 请参阅拆解和组装, "排气歧管 - 拆卸"。
  4. 拆下摇臂轴组件和推杆。 请参阅拆解和组装, "摇臂轴和推杆 - 拆卸"。

  1. 将发动机置于水平位置。

    注: 如果从发动机上拆卸活塞和连杆组件,则没必要从曲轴上拆卸配重。




    图 1g00914774

  1. 在配重 (1) 上贴上标记。 拆卸配重 (1) 。



    图 2g00914776

  1. 拆卸连杆轴承盖 (2) 。 将连杆推离曲轴。 分别从连杆和连杆盖 (2) 上拆下连杆轴承。



    图 3g00914800

  1. 拆卸中心主轴承和止推板 (3) 。



    图 4g01058477

  1. 将工具 (A) 和适当的起吊设备连接到曲轴 (5) 上。

  1. 拆卸剩余的主轴承盖 (4) 。 从主轴承盖 (4) 上拆卸曲轴主轴承的下半部分。

  1. 拆下曲轴 (5) 。

    带配重的 3516 曲轴的重量约为 800 kg (1764 lb)。 不带配重的 3516 曲轴的重量约为 520 kg (1146 lb)。 带配重的 3520 曲轴的重量约为 920 kg (2028 lb)。 不带配重的 3520 曲轴的重量约为 580 kg (1280 lb)。

  1. 从缸体上拆下曲轴主轴承的上半部分。



    图 5g00914805

  1. 如有必要,从曲轴的每一端拆卸螺栓 (6) 和曲轴齿轮 (7) 。

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