3406E On-Highway Engine Caterpillar


Inlet and Exhaust Valve Seals - Remove and Install

Usage:

3406E 1MM

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     5P-7414     油封钩     1    
(1)     9U-6890     油封安装工具     1    
(1)     9U-7216     气门密封销     1    
( 1 ) 9U-7226 密封安装工具 的部分工具

开始:

  1. 拆下进气门和排气门弹簧。 请参阅拆解和组装, "进气门和排气门弹簧 - 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和缩短部件寿命。


注: 更换气门密封时,缸盖可以安装在发动机上,也可以从发动机上拆下。 无需将气门安装到缸盖即可安装气门密封。




图 1g00516322

  1. 使用工具 (A) ,从气门 (1) 和气门导管 (3) 上拆下气门密封 (2) 。

安装步骤

表 2
所需工具    
工具     零件号     零件描述     数量    
A     5P-7414     油封钩     1    
(1)     9U-6890     油封安装工具     1    
(1)     9U-7216     气门密封销     1    
( 1 ) 9U-7226 密封安装工具 的部分工具


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 2g00516322



图 3g00516323

注: 按照步骤 1 和 2,将气门密封与气门一起安装到缸盖中。

  1. 在气门杆上涂抹薄薄一层清洁的发动机机油。 将气门密封 (2) 安置到气门 (1) 上。

  1. 使用工具 (B) 将气门密封 (2) 压到气门导管 (3) 上。

    注: 当已从缸盖上拆下气门时,按照步骤 3 至 7 安装气门密封。 使用工具 (C) (而不是气门杆)正确安置新的气门密封。

  1. 将气门密封 (2) 安置到工具 (B) 上。

  1. 将工具 (C) 穿过工具 (B) 和新的气门密封。

  1. 将工具 (C) 放入气门导管孔。

  1. 使用工具 (B) 将气门密封 (2) 推到气门导管 (3) 上的适当位置。

  1. 从气门导管 (3) 上拆下工具 (B) 和工具 (C) 。

  1. 重复步骤 3 至 7,安装其余的气门密封。

End By: 安装进气门和排气门弹簧。 请参阅 拆解和组装, "进气门和排气门弹簧 - 拆卸和安装"。

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