C3.3B Engines for Caterpillar Built Machines Caterpillar


Housing (Front) - Remove and Install

Usage:

236D BGZ

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
Three Bond 1217H 

开始:

  1. 拆下曲轴前密封。

注: 参考技术规格, "发动机设计",了解非指定的发动机扭矩值。


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。



注意

在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。

按照本地法规和指令处置所有液体。


  1. 从冷却系统将冷却液排入合适的容器以便保存或废弃这些冷却液。


    图 1g02795275

  2. 将软管组件 (1) 和 (2) 从机油冷却器上断开。


    图 2g02795251

  3. 拆下螺栓 (4)。

  4. 拆下前壳体 (3) 和密封垫。

安装步骤


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. 确保前壳体清洁且无损坏。 如有必要,更换前壳体。

  2. 清洁缸体的所有密封垫表面。


    图 3g02864317

  3. 在下曲轴箱部分 (6) 和上曲轴箱部分 (5) 之间的接缝处涂覆工具 A。


    图 4g02795251

  4. 对准新密封垫,然后将密封垫安装到缸体上。

  5. 按照从一侧到另一侧的顺序拧紧 13 个螺栓 (4)。 拧紧螺栓 (4) 至扭矩为 24 to 27 N·m (212 to 239 lb in)


    图 5g02795275

  6. 将软管组件 (1) 和 (2) 连接到机油冷却器上。

  7. 向冷却系统加注冷却液。 请参阅操作和保养手册, "冷却系统冷却液(ELC)- 更换"以了解正确的排放和加注步骤。

结束:

  1. 安装曲轴前油封。

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