C3.3B Engines for Caterpillar Built Machines Caterpillar


Inlet and Exhaust Valve Guides - 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 
390-1136  气门导管冲头组件 
385-8470  气门导管铰刀 

开始:

  1. 拆下进气门和排气门。

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

必须由经过正规培训的专业人员拆卸气门导管和气门座。 还需要使用专用机械设备。 有关更多信息,请咨询授权 Caterpillar 代理商。




    图 1g02786036


    图 2g02786037

  1. 拆下进气门和排气门密封件 (1)。 使用工具 (A) 将气门导管 (2) 从缸盖 (3) 上拆下。

  2. 对于其余的进气门导管和排气门导管,重复步骤 1。

安装步骤

    注: 确保缸盖清洁且无机加工碎屑。 清洁缸盖的原有孔并润滑新的气门导管。

  1. 按与拆卸相反的顺序安装进气门和排气门导管 (2)。

    1. 使用工具 (A) 安装进气门和排气门导管 (2)。


      图 3g02798988

    2. 使用工具 (B) 调整新的进气门和排气门导管的尺寸。 参阅技术规格, "缸盖气门",了解气门杆和气门导管之间的允许间隙。

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