C15 On-Highway Engine Caterpillar


Crankshaft - Remove

Usage:

C15 B5R

拆卸步骤

表 1
所需工具 
工具  零件号  零件说明  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. 拆卸前壳体。 请参阅拆解和组装, "壳体(前)- 拆卸"。

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

  3. 卸下活塞冷却喷嘴。 请参阅拆解和组装, "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,确认其在缸体中的位置和方向是否正确。 安装时主轴承盖上的识别标记必须和拆卸之前的方向保持一致。

  2. 检查连杆和连杆轴承盖,确认其在缸体中的位置是否正确。


    图 1g01017945

  3. 拆下连杆轴承盖 (2) 的 螺栓 (1)。 拆下连杆轴承。


    图 2g01020310

  4. 拆下主轴承盖 (4) 的螺栓 (3)。 拆下主轴承盖。


    图 3g00996555

  5. 将工具 (A) 和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. 将曲轴从缸体上拆下。

  7. 从 4 号主轴承的每侧上拆下止推片。

  8. 将主轴承下轴瓦从主轴承盖上拆下。 将主轴承上轴瓦从缸体上拆下。

    注: 如果要再次使用主轴承,请标记或识别旧的主轴承以便于安装。



    图 4g00996556

  9. 使用工具 (B) 将曲轴齿轮 (6) 从曲轴 (5) 上拆下。


    图 5g01056151

  10. 如有必要,使用工具 (C) 将定位销 (7) 和定位销 (8) 从曲轴 (5) 上拆下。

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