3176C and 3196 Engines For Caterpillar Built Machines Caterpillar


Crankshaft - Remove

Usage:

140H 126

拆卸步骤

开始:

  1. 拆卸发动机机油泵。 请参阅拆解和组装 , "发动机机油泵 - 拆卸"。

  2. 拆卸前壳体。 请参阅 拆解和组装, "壳体(前) - 拆卸" 。

  3. 拆下飞轮壳体。 请参阅拆解和组装 , "飞轮壳体 - 拆卸和安装 "。

  4. 拆下活塞和连杆。 请参阅拆解和组装 , "活塞和连杆 - 拆卸"。


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损和缩短部件寿命。




    图 1g01022767

  1. 拆下螺栓 (1)。

  2. 拆卸主轴承盖 (2) 。


    图 2g01022781

  3. 拆下曲轴止推轴承 ( 4) 和曲轴主轴承 (3) 的下半部分。

    注: 曲轴主轴承盖标有号码 1 到 7。 没有标记的曲轴主轴承盖应在朝向发动机右侧的那一侧标上对应的缸号。

  4. 将适当的螺栓安装到曲轴各端中。 将适当的起吊设备固定到曲轴内的螺栓上。 拆下曲轴。 曲轴的重量约为 129 kg (285 lb)

  5. 拆下曲轴主轴承 ( 3) 的上半部分。

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