C15 and C18 Engines for Caterpillar Built Machines Caterpillar


Crankshaft - Remove

Usage:

631E 1AB

拆卸步骤

表 1
需要的工具 
工具  零件号  零件名称  数量 
138-7575  连杆支架 
1H-3110  轴承拉拔器 
8B-7560 踏脚板 
9U-6600 手动液压泵 
1H-3108 推拉支腿 
1H-3107 轴承拉拔器 
3H-0468 拉拔器板 
3H-0465 压拉器板 
1P-0820 液压拉拔器 
5B-0637 螺母 
8S-6586 顶出螺钉 
5P-0944  定位销拉拔器总成  
5P-0939 定位销拔出工具 

开始:

  1. 卸下前齿轮室。 请参阅拆解和组装 , "前齿轮室 - 拆卸 "。

  2. 拆卸飞轮壳。 请参阅 拆解和组装, "飞轮壳体 - 拆卸和安装 "。

  3. 拆卸活塞冷却喷嘴。 参考拆解和组装 , "活塞冷却喷嘴 - 拆卸和安装" 。


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。


  1. 检查主轴承盖,确认一下其在缸体中的位置和方向是否正确。 主轴承盖上的标识必须和安装前的方向保持一致。

  2. 检查连杆和连杆轴承盖,确认以下它们在缸体中的位置是否正确。


    图 1g01017945

  3. 拆卸螺栓 (1)。 拆卸连杆轴承盖 (2)。


    图 2g01116781

  4. 拆卸螺栓 (3)。 拆卸主轴承盖 (4)。

  5. 将工具 (A) 适当的起吊设备安装在曲轴 ( 5) 的两端。 曲轴 (5) 的重量约为 177 kg (390 lb)

  6. 从缸体上卸下曲轴 ( 5)。

  7. 从 4 号主轴承两端拆卸止推盘。

  8. 从主轴承盖上卸下主轴承下轴瓦。 从缸体上卸下主轴承上轴瓦。

    注: 如果要再次使用主轴承,为了便于安装,标记旧主轴承或识别旧主轴承。



    图 3g00996556

  9. 使用工具 (B),从曲轴 ( 5) 上卸下曲轴齿轮 ( 6)。


    图 4g01056151

  10. 如果有必要,使用工具 ( C),从曲轴 (5) 上卸下定位销 ( 7) 和定位销 (8)。

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