C15 and C18 Engines for Caterpillar Built Machines Caterpillar


Inlet and Exhaust Valve Seat Inserts - Remove and Install

Usage:

826K 232

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
166-7441  气门座拔取器工具总成 
B(1)   9U-6898  气门座冲头 (排气) 
9U-6897 气门座冲头 (进气) 
(1) 9U-7530 发动机工具总成的部分工具

开始:

  1. 拆下进气门和排气门。


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 1g01082582

  1. 使用工具 (A),从缸盖上卸下气门座镶圈 (1)。

  2. 清洁缸盖中气门座镶圈的孔。 处理孔内的任何粗糙区域。

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。




    图 2g01079028

  1. 冷却新气门座圈 (1) 。

  2. 使用工具 (B),将新的气门座镶圈安装到缸盖中。

    注: 不要为了矫正气门突出量而加工预先经过精加工的气门座镶圈。 气门突出量过大说明气门座镶圈没有就座到位或沉头孔底部的残渣未清理干净。

结束:

  1. 安装进气门和排气门。

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