C27 and C32 Engines for Caterpillar Built Machines Caterpillar


Rocker Arm and Shaft - Remove and Install

Usage:

826K 2L3

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     124-2946     提升支架     1    

开始:

  1. 拆下阀机构罩盖。


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。





    图 1g01148045

  1. 拆下螺栓 (2) 。

  1. 使用工具 (A) 将摇臂轴组件 (4) 、气门摇臂 (3) 和电子单体喷油器摇臂 (1) 作为一个整体拆下。

安装步骤

表 2
所需工具    
工具     零件号     零件描述     数量    
A     124-2946     提升支架     1    

  1. 按与拆卸相反的顺序安装摇臂轴组件 (4) 。



      图 2g01325993

      螺栓 (2) 的拧紧顺序。

      注: 安装之前,将清洁的发动机机油涂抹在螺栓头的下部。

    1. 使用以上顺序将螺栓 (2) 拧紧至扭矩为 55 ± 5 N·m (41 ± 4 lb ft)。

    1. 使用以上顺序再次将螺栓 (2) 拧紧至扭矩为 55 ± 5 N·m (41 ± 4 lb ft)。 再将螺栓 (2) 转动 60 ± 5 度。

    1. 调整进气阀和排气阀的阀间隙。 参考测试和调整, "发动机阀间隙 - 检查/调整"。

    1. 调整电子单体喷油器。 参考测试和调整, "电子单体喷油器 - 调整"。

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