3508C, 3512C and 3516C Marine Engines Caterpillar


Pistons and Connecting Rods - Remove

Usage:

3512C 2A2

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
5R-7425  盘车控制装置总成(1)  
1P-1861  挡圈钳 
271-0498  涨圈 
(1) 9S-9082 发动机转动工具是备用工具。

开始:

  1. 拆xia 缸盖。 请参阅拆解和组装, "缸盖 - 拆卸"。

  2. 拆下活塞冷却喷嘴。 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並縮短部件使用寿命。




    图 1g00913801

  1. 用工具 (A)转动曲轴,直至可以拆下螺栓 (1)。

  2. 从缸套内表面顶部开始清除积碳凸起。

  3. 检查连杆和连杆盖上的识别标记是否正确。 连杆和连杆盖侧面应该有蚀刻的编号。 该编号应与气缸编号一致。 如有必要,标记连杆和连杆盖。

    注: 请勿压印连杆组件。

  4. 拆下螺栓 (1) 和连杆轴承盖 (2)。 推动连杆直到活塞环脱出缸套。

  5. 将活塞和连杆从缸套中拆下。

    注: 在拆卸活塞和连杆期间,小心不要损坏缸套或曲轴轴颈。



    图 2g01051820

  6. 使用工具 (B) 拆下固定活塞销 (4) 的挡圈。 拆卸活塞销 (4)。 从连杆 (5) 上拆卸活塞 (3)。

  7. 将轴承从连杆 (5)和连杆盖上拆下。

    注: 如有必要,将活塞裙从活塞顶上分开。



    图 3g00913818

  8. 使用工具 (C) 从活塞 (3) 上拆卸活塞环 (6)。

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