C9.3 Engines for Caterpillar Built Machines Caterpillar


Inlet and Exhaust Valves - Remove and Install

Usage:

725C2 2L6

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
5S-1330  气门弹簧压缩器 

开始:

  1. 拆下缸盖。


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。


------ WARNING! ------

当松开气门弹簧压缩器的时候,气门弹簧卡座会从气门中弹出。 保证气门弹簧卡座正确安装在气门推杆上。 为了防止造成人员伤害,在安装气门时,应远离气门弹簧卡座前方和气门弹簧。




    图 1g01137560

    ------ WARNING! ------

    被弹簧力爆出的零件击中,会招致人员伤害。

    确保穿上所有必要的保护装备。

    遵照建议的程序,并使用所有建议的工具以释放弹簧力。


  1. 使用工具 (A),压缩气门弹簧 (3)。 拆下挡圈锁 (1)。

  2. 拆下工具 (A)。 拆下弹簧挡圈 (2) 和气门弹簧 (3)。

  3. 拆下并丢弃气门杆密封 (4)。 拆下弹簧座垫圈 (5) 和气门 (6)。

安装步骤

注: 安装过程中可以使用少量润滑脂来固定气门挡圈。

  1. 按与拆卸相反的顺序安装气门 (6)。

    1. 用清洁的发动机机油润滑气门 (6)。

    2. 使用工具 (A),压缩气门弹簧 (3)。

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