C175-16 Locomotive Engine Caterpillar


Camshaft

Usage:

C175-16 3A9



图 1g02873836

表 1
348-6914 凸轮轴总成 和 348-6915 凸轮轴总成 的技术规格    
项目     数量     零件     技术规格说明    
将凸轮轴组装至缸体前,将一薄层绿色 8T-2998 润滑剂 涂敷在每个凸轮轴轴颈和凸轮轴轴承的外径上。    
1     1     375-5133 止推垫圈     组装前,将绿色 8T-2998 润滑剂 涂敷在止推垫圈的侧面。 将一薄层绿色 8T-2998 润滑剂 涂敷在凸轮轴轴承与止推垫圈凹槽接触的区域。    
新止推垫圈的厚度为
8.50 ± 0.05 mm (0.335 ± 0.002 in)。
新凸轮轴中用于安装止推垫圈的槽宽为
8.75 ± 0.05 mm (0.344 ± 0.002 in)。
A     -     -     凸轮轴轴颈的直径为
91.88 ± 0.02 mm (3.617 ± 0.001 in)。    
2     8     2Y-5829 螺母     拧紧至扭矩为
55 ± 10 N·m (41 ± 7 lb ft)。    



图 2g02873837

表 2
348-6914 凸轮轴总成 和 348-6915 凸轮轴总成 的技术规格    
项目     数量     零件     技术规格说明    
3     8     109-3001 锥形锁紧螺柱     拧紧至扭矩为
35 ± 5 N·m (26 ± 4 lb ft)。    
B     1     6V-3535 定位销     凸轮轴端部的定位销延伸量为
11.5 ± 0.5 mm (0.45 ± 0.02 in)。    



图 3g02873838

表 3
348-6914 凸轮轴总成 和 348-6915 凸轮轴总成 的技术规格    
项目     数量     零件     技术规格说明    
-     -     -     使用以下步骤确定实际凸轮轴凸轮升程:
1. 测量凸轮轴凸轮高度 (D) 。
2. 测量基圆 (E) 。
3. 从凸轮轴凸轮高度值 (D) 中减去基圆 (E) 。 二者之差就是实际凸轮轴凸轮升程 (C) 。    
C     -     -     规定的凸轮轴凸轮升程:    
进气凸轮为
12.448 mm (0.4901 in)。
排气凸轮为
17.184 mm (0.6765 in)。

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