Camshaft
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图 1 | g01381231 |
(1) 左侧凸轮轴组件 (2) 右侧凸轮轴组件 |
(A) 新凸轮轴组件的凹槽厚度 ... 8.75 ± 0.05 mm (0.344 ± 0.002 in)
(C) 定位销自凸轮轴组件的伸出长度 ... 12.0 ± 0.5 mm (0.47 ± 0.02 in)
(D) 新止推垫圈的厚度 ... 8.50 ± 0.05 mm (0.335 ± 0.002 inc)
(E) 轴颈表面的尺寸
- 轴承轴颈的直径 ... 91.88 ± 0.02 mm (3.617 ± 0.001 in)
- 安装后的凸轮轴轴承孔孔径 ... 92.00 ± 0.06 mm (3.622 ± 0.002 in)
注: 新凸轮轴组件的轴向间隙为 0.15 至 0.35 mm (0.006 至 0.014 in)。
(3) 16 只螺栓的扭矩 ... 55 ± 7 N·m (41 ± 5 lb ft)
(F) 定位销自右后侧凸轮轴和左前侧凸轮轴端部的伸出长度 ... 22.0 ± 0.5 mm (0.87 ± 0.02 in)
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图 2 | g01447245 |
按照以下步骤得出实际凸轮升程:
- 测量凸轮轴凸轮高度 (H) 。
- 测量基圆 (J) 。
- 从凸轮轴凸轮高度值 (H) 中减去基圆 (J) 。 二者之差就是实际凸轮轴凸轮升程。
(B) 凸轮轴凸轮规定升程
- 进气凸轮 ... 13.250 mm (0.5217 in)
- 喷油器凸轮 ... 13.731 mm (0.5406 in)
- 排气凸轮 ... 13.250 mm (0.5217 in)
- 喷油器凸轮 ... 13.731 mm (0.5406 in)
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