C9 Engine for Caterpillar Built Machines Caterpillar


Camshaft - Install

Usage:

MH3049 HPB

安装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
FT-2730  挂钩  12 
8T-2998  润滑剂 


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 1g01032349


    注意

    拆卸或安装凸轮轴时不要损坏凸轮或轴承。


    注: 在凸轮轴安装过程中,应向两个方向转动凸轮轴,以防凸轮轴轴承孔粘连。

  1. 用工具 (B) 与清洁的发动机机油的 50/50 混合物润滑凸轮轴凸轮和气门挺杆孔。 在凸轮轴轴承轴颈上涂抹清洁的发动机机油。 小心将凸轮轴 (5) 安装在缸体中。


    图 2g01032348


    注意

    安装凸轮轴时,确保 1 号缸位于压缩行程的上止点,并且正时螺栓安装在飞轮里。 凸轮轴正时是非常重要的。 凸轮轴驱动齿轮上的正时标记必须对准惰轮上的正时标记。 更多信息,请参考技术规格手册。


  2. 确保对齐凸轮轴齿轮 (1) 与惰轮齿轮 (2) 上的正时标记。

  3. 安装止推板 (4) 和螺栓 (3)。

  4. 磨损的凸轮轴最大容许端隙为 0.46 mm (0.018 in)。 新凸轮轴最大容许端隙为 0.13 ± 0.08 mm (0.005 ± 0.003 in)

  5. 使用工具 (A),将气门挺杆在缸体中放置到位。

  6. 标定转速/正时传感器。 请参阅故障诊断与排除, "发动机转速 / 正时传感器 - 标定"。

结束:

  1. 安装前盖。 请参阅拆解和组装, "前盖 - 拆卸和安装"。

  2. 安装摇臂和摇臂轴。 请参阅拆解和组装, "摇臂和轴 - 安装"。

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