Camshaft
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图 1 | g02873836 |
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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)。 |
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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)。 |
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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)。     |
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图 2 | g02873837 |
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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)。     |
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图 3 | g02873838 |
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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)。 |
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排气凸轮为 17.184 mm (0.6765 in)。 |
Caterpillar Information System:
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