C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines Caterpillar


Inlet and Exhaust Valve Guides - Remove and Install

Usage:

303.5E2 CR AC5

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
387-1311  气门导管冲头组件 

开始:

  1. 拆下进气门和排气门。


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。



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。




    图 1g02720116

  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. 有关其余的气门导管,请重复步骤 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)。

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