3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Inlet and Exhaust Valve Guides - Remove and Install

Usage:

769C 01X

拆卸步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
9U-7349  气门导管冲头 

开始:

  1. 拆下进气阀和排气阀。 请参阅拆解和组装, "进气门与排气门 - 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 1g00569544

  1. 利用工具 (A) 和手锤将进气和排气门导管从缸盖上拆下。

安装步骤

表 2
所需工具 
工具  零件号  零件说明  数量 
9U-7349  气门导管冲头 
5P-2396  衬套 


    图 2g01082857

  1. 在气门导管外周上涂抹干净的机油。 利用工具 (A) 和 (B) 安装气门导管。

  2. 安装气门导管,直到气门导管伸出缸盖表面 32.3 ± 0.8 mm (1.27 ± 0.03 in) 为止。 有关更多有关进气门导管和排气门导管的信息,请参阅技术规格, "缸盖气门"。

结束:

  1. 安装进气门和排气门。 请参阅拆解和组装, "进气门与排气门 - 拆卸和安装"。

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