657G Wheel Tractor-Scraper Engine Supplement Caterpillar


Engine Support (Rear) - Remove and Install

Usage:

657G W1B

拆卸步骤

开始:

  1. 拆下后发动机罩。 请参阅拆解和组装, "发动机罩 - 拆卸"。
  2. 降下中间曲轴箱防护罩。 请参阅拆解和组装, "曲轴箱防护罩 - 降下和升起"。

注: 清洁度是一项重要的因素。 拆解步骤开始之前,应彻底清洁部件外部。 这将有助于防止脏污进入内部机构。




    图 1g01277762



    图 2g01277764

  1. 拆下螺栓 (1) 。 拆下盖 (2) 。 对于另一侧,重复相同的步骤。 将适当起吊设备连接到发动机 (5) 上。 发动机 (5) 的重量约为 2041 kg (4500 lb)。 施加提升拉力,将发动机后部缓慢升高。 (5) 。 拆下螺栓 (3) 。 拆下支架 (4) 。 对于另一侧,重复相同的步骤。



    图 3g01277765

  1. 拆下卡子 (8) 。

  1. 拆下螺栓 (6) 。 拆下支架 (7) 。 对于另一侧,重复相同的步骤。

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,则应使用新件进行更换。




    图 4g01277765

    注: 在将支架安装到发动机上之前,先将螺栓 (6) 定位到支架 (7) 上。

  1. 定位支架 (7) ,然后安装螺栓 (6) 。 对于另一侧,重复相同的步骤。

  1. 安装卡子 (8) 。



    图 5g01277762

  1. 定位支架 (4) 。 安装螺栓 (3) 。 拧紧螺栓 (3) 至扭矩为 1125 ± 100 N·m (829 ± 73 lb ft)。 对于另一侧,重复相同的步骤。 降下支架 (4) 上的发动机。 定位盖 (2) 。 安装螺栓 (1) 。 对于另一侧,重复相同的步骤。 检查驱动轴与发动机的对中。 请参阅拆解和组装, "驱动轴 - 拆卸和安装"。

End By:

  1. 升起中间曲轴箱防护罩 请参阅 拆解和组装, "曲轴箱防护罩 - 降下和升起"。
  2. 安装后发动机罩。 请参阅 拆解和组装, "发动机罩 - 安装"。

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