CG137-08 and CG137-12 Engines Caterpillar


Timing Gears - Remove and Install

Usage:

CG137-08 FPL

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     1P-0510     冲头总成     1    
B     9S-9154     踏脚板     1    
1P-2322 拉拔器组件     1    

开始:

  1. 拆下凸轮轴。



    图 1g00788517

  1. 拆下螺栓 (1) 、止推板 (2) 和惰轮 (3) 。



    图 2g00788525

  1. 用工具 (A) 和适当的压具将轴承从惰轮 (3) 上拆下。



    图 3g00788530

  1. 将止推垫圈 (4) 、螺栓 (5 ) 和轴 (6) 从缸体上拆下。



    图 4g00788533

  1. 用工具 (B) 将齿轮 (7) 从曲轴上拆下。

安装步骤

表 2
所需工具    
工具     零件号     零件描述     数量    
A     1P-0510     冲头总成     1    



    图 5g01424275

  1. 转动曲轴,使曲轴定位销 (8) 朝上。

  1. 将曲轴齿轮 (7) 加热到 233° C (451° F) 的最高温度。 将曲轴齿轮 (7) 安装到曲轴上。 确保曲轴齿轮 (7) 有 "V" 正时标记的一侧朝外。 确保曲轴齿轮 (7) 中的槽(凹槽)与曲轴上的定位销 (8) 对齐。 确保曲轴齿轮 (7) 与油泵惰轮对齐。



    图 6g00788530

  1. 安装轴 (6) 和螺栓 (5) 。 将清洁的发动机机油涂在垫圈 (4) 上。 将止推垫圈 (4) 安装在轴上,使油槽朝外。如图所示。



    图 7g00788525

  1. 用工具 (A) 和适当的压具将轴承安装到惰轮 (3) 中。



    图 8g01424280

  1. 安装轴承,使轴承接头(箭头)在惰轮 (3) 的固定区域。 将轴承安装至惰轮 (3) 表面以下 0.38 ± 0.25 mm (0.015 ± 0.010 in) 处。

  1. 将清洁的发动机机油涂在轴承孔上。



    图 9g01424281

  1. 将惰轮 (3) 安装到轴上。 确保 "V" 标记在惰轮 (3) 和曲轴齿轮 (7) 上对齐。



    图 10g00788517

    注: 安装止推板 (2) ,使止推板 (2) 有油槽的一侧朝向惰轮 (3) 。

  1. 将清洁的发动机机油涂在止推板 (2) 靠近惰轮 (3) 的一侧。 安装将板固定到位的止推板 (2) 和螺栓 (1) 。

End By: 安装凸轮轴

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