C4.4 Engines for Caterpillar Built Machines Caterpillar


Flywheel - Inspect

Usage:

316E L DZW

技术规格

表 1
飞轮跳动量和直线度极限值(千分表总读数)    
-     最大极限值(千分表总读数)    
跳动    
25 mm (1.0 in) 半径
0.030 mm (0.0012 in)    
对中    
0.30 mm (0.012 in)    

所需工具

表 2
所需工具    
工具     零件号     零件描述     数量    
A     8T-5096     千分表总成     1    

飞轮端面直线度




图 1g01334421

典型示例

  1. 如图 1 中所示,安装工具 (A) 。

  1. 将千分表指针设在 0 mm (0 in)。

  1. 转动飞轮。 每隔 45 度读取千分表读数。

    注: 检查过程中,向发动机前部持续按压曲轴,消除所有端隙。

  1. 计算四个位置的最小测量值与最大测量值之差。 该差值不能高于表 1 中规定的限值。 飞轮半径的测量是在曲轴轴线与千分表接触点之间进行的。

飞轮跳动量




图 2g01334422

典型示例

  1. 如图 2 中所示,安装工具 (A) 。

  1. 将千分表指针设在 0 mm (0 in)。

  1. 转动飞轮。 每隔 45 度读取千分表读数。

  1. 计算四个位置的最小测量值与最大测量值之差。 该差值不能高于表 1 中规定的限值。

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