3176C and 3196 Engines For Caterpillar Built Machines Caterpillar


Inlet and Exhaust Valves - Remove and Install

Usage:

140H 126

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. 拆卸缸盖。 请参阅 拆解和组装, "缸盖 - 拆卸" 。


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 1g01061432

    ------ 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. 将气缸盖组件放在垂直位置。

  2. 使用工具 (A),压缩气门弹簧 ( 3) 和 (4)。 拆下挡圈锁 ( 1)。

  3. 拆下工具 (A)。 拆除气门旋转器 (2)、气门弹簧 ( 3) 和 (4) 以及底座 ( 5)。

  4. 从气缸盖上拆下进气阀 ( 6) 和排气阀 (7)。

安装步骤

表 2
所需工具 
工具  零件号  零件描述  数量 
5S-1330  气门弹簧压缩器 


    图 2g01061432

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

    弹簧压缩零件如果安装不当,会伤害人体。

    为避免伤害,遵照出版的装配程序,并穿上保护装备。


  1. 用清洁的发动机油润滑进气阀 ( 6) 和排气阀 (7)。 将进气门和排气门安装到缸盖组件中。

    注: 安装时可以使用少量的润滑脂以保持挡圈锁就位。

  2. 将下列项放在进气阀 ( 6) 和排气阀 (7) 上: 底座 (5) , 气门弹簧 (3)和 ( 4) 和 气门旋转器 ( 2)。

  3. 使用工具 (A),压缩气门弹簧 ( 3) 和 (4)。 安装挡圈锁 ( 1)。

结束:

  1. 安装缸盖。 请参阅 拆解和组装, "缸盖 - 安装" 。

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