D7G and D7G Series II Track-Type Tractors Engine Supplement Caterpillar


Engine Front Support - Remove and Install

Usage:

D7G 7MB

拆卸步骤

开始:

  1. 拆卸发动机。 请参阅解体与组装, "发动机 - 拆卸"。
  2. 拆卸曲轴减振器和皮带轮。 请参阅解体与组装, "曲轴减振器和皮带轮 - 拆卸和安装"。

注: 清洁度是一项重要的因素。 开始进行解体步骤之前,必须彻底清洁零部件外部。 这将有助于防止脏污进入内部机构。




    图 1g01311609

  1. 拆卸曲轴减振器 (1) 。



    图 2g01311610



    图 3g01308470

  1. 拆卸减振器适配器 (3) 。 松开螺栓 (2) ,直到螺栓 (2) 突出表面 (Z) 约 3.175 mm (0.125 in)。

  1. 将工具 (A) 连在皮带轮 (4) 上。 使用工具 (A) ,从曲轴上分开皮带轮 (4) 。



    图 4g01311594

  1. 拆卸螺栓 (5) 。 拆卸前支架 (6) 。



    图 5g01311595

  1. 拆下螺栓 (7). 拆卸发动机耳轴 (8) 。

安装步骤

注: 清洁度是一项重要的因素。 组装之前,应使用清洗剂彻底清洁所有零部件。 让零件风干。 不要使用抹布擦干零部件。 棉绒可能会留在零部件上,从而可能导致以后出现故障。 检验所有零件。 如果任何零件磨损或损坏,则应使用新件更换。




    图 6g01311595

  1. 定位发动机耳轴 (8) 。 安装螺栓 (7) 。



    图 7g01311594

  1. 定位发动机支架 (6) 。 安装螺栓 (5) 。



    图 8g01311610



    图 9g01308468



    图 10g01311609

  1. 安装皮带轮 (4) 。 拧紧螺栓 (2) 至扭矩为 312 ± 27 N•m (230 ± 20 lb ft)。 安装减振器适配器 (3) 。

  1. 安装曲轴减振器 (1) 。

End By:

  1. 安装曲轴减振器和皮带轮。 请参阅 解体与组装, "曲轴减振器和皮带轮 - 拆卸和安装"。
  2. 安装发动机。 请参阅 解体与组装, "发动机 - 安装"。

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