3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Inlet and Exhaust Valves - 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 
5S-1330  气门弹簧压缩器 

开始:

  1. 拆xia 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並縮短部件使用寿命。




    图 1g01082758

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

    弹簧加压的零件和/或盖板可能导致人身伤害。

    拆卸盖板时弹簧力将被释放。

    松动螺栓时做好准备把持住弹簧加载的盖板。


  1. 利用工具 (A) 拆下护圈 (1)。

  2. 拆下气门旋转器 (2)。

  3. 拆下弹簧 (3)。

  4. 拆下气门 (4)。

安装步骤

表 2
所需工具 
工具  零件号  零件说明  数量 
5S-1330  气门弹簧压缩器 
8S-2263  气门弹簧测试仪 


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。


  1. 用工具 (B) 检查弹簧力。 关于气门弹簧的更多信息,请参阅技术参数, "缸盖气门"。

  2. 利用干净的机油润滑气门杆。


    图 2g01082758

    ------ 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。


  3. 将弹簧 (3) 安装到气门 (4) 上。

  4. 安装气门旋转器 (2)。

  5. 利用工具 (A) 压缩气门弹簧 (3)。

  6. 安装护圈 (1)。

结束:

  1. 安装缸盖。 请参阅拆解和组装, "缸盖- 安装"。

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