G3612 and G3616 Engines Caterpillar


Prechamber Ignition Body - Remove

Usage:

G3612 BB2

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
9U-5156  清洁工具总成 

开始:

  1. 拆下阀室盖。 请参阅拆解和装配, "阀室盖 - 拆卸"。

  2. 卸下进气阀的推杆。 请参阅拆解和装配进气阀, " - 拆卸"。

  3. 卸下火花塞。 请参阅拆解和装配火花, "塞 - 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並縮短部件使用寿命。




    图 1g03890262
    此图中进气阀未卸下。

  1. 卸下两个螺栓 (1)、垫片和垫圈。

    注: 必须先将冷却液排至缸盖之下方可卸下预燃室组件 (2)。

    注: 必须先卸下火花塞方可卸下预燃室组件 ( 2)。

  2. 使用两个螺栓 (1) 作为主体组件 (3) 顶部的加压螺钉。 将主体组件 (3 )和预燃室组件 (2 )作为一个整体卸下。

    注: 从主体组件 (3) 上卸下预燃室组件 (2) 可能需要使用渗透油。

  3. 反方向转动每一端将主体组件 (3) 从预燃室组件 (2) 上分离下来。 转动大约 12 mm (0.5 inch) 后主体组件 (3) 将从预燃室组件 (2) 上分离。

    注: 预燃室组件质软且易形成凹痕和刮痕。 为防止损坏密封表面,需采取预防措施。

  4. 从主体组件 (3) 上卸下四个 O 形密封圈。

  5. 从预燃室组件 (2) 上卸下两个垫圈。

  6. 使用工具 (A) 清除预燃室组件内的积碳。

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