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)。 |
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Caterpillar Information System:
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