Camshaft
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| 图 1 | g01416442 |
(1) 止推销的扭矩 ... 28 ± 7 N·m (20 ± 5 lb ft)
(2) 新凸轮轴轴颈直径 ... 74.850 ± 0.025 mm (2.9468 ± .0010 in)
(3) 楔片
(4) 零件号
(5) 档位
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| 图 2 | g01416407 |
(A) 凸轮轴凸轮升程
规定的凸轮凸角升程 (A)
- 排气凸轮 ... 9.550 mm (.3760 in)
- 进气凸轮 ... 11.371 mm (.4477 in)
- 喷油器凸轮 ... 11.204 mm (4411'')
- 进气凸轮 ... 11.371 mm (.4477 in)
(B) 凸轮凸角高度
(C) 基圆
规定基圆 (C)
- 排气凸轮 ... 55.0 ± 0.2 mm (2.17 ± 0.01 in)
- 进气凸轮 ... 51.0 ± 0.2 mm (2.01 ± 0.01 in)
- 喷油器凸轮 ... 51.0 ± 0.2 mm (2.01 ± 0.01 in)
- 进气凸轮 ... 51.0 ± 0.2 mm (2.01 ± 0.01 in)
利用以下程序确定凸轮升程：
- 测量凸轮轴凸轮高度 (B) 。
- 测量基圆 (C) 。
- 将步骤 2 中得到的基圆数值从步骤 1 中得到的凸轮高度中减去。 二者之差就是实际凸轮凸角升程 (A) 。
新凸轮的实际凸轮高度和规定凸轮高度的最大可允许差值 ... ± 0.13 mm (.005 in)
Caterpillar Information System:
365C Material Handler Hydraulic System Grapple Hydraulic System
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