Valve Mechanism
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| 图 1 | g01446117 |
前视图 | |
(1) 摇臂的尺寸
- 摇臂轴的摇臂孔 ... 21.548 ± 0.013 mm (0.8483
± 0.0005 in)
- 摇臂轴直径 ... 21.500 ± 0.013 mm (0.8465 ± 0.0005 in)
(B) 气门间隙尺寸
- 进气 ... 0.38
± 0.08 mm (0.015 ± 0.003 in)
- 排气 ... 0.64 ± 0.08 mm (0.025 ± 0.003 in)
(2) 螺母的扭矩 ... 30 ± 7 N·m (265 ± 60 lb in)
(3) 气门挺柱总成的尺寸
- 挺柱轴组件的喷射挺柱臂孔 ... 15.670 ± 0.013 mm (0.6169 ± 0.0005 in)
- 挺柱轴组件的直径 ... 15.620 ± 0.018 mm (0.6150 ± 0.0007 in)
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| 图 2 | g01450080 |
剖面 A-A | |
(D) 杯状螺塞在摇臂轴内的安装深度 ... 1.25 ± 0.25 mm (0.049 ± 0.010 in)
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| 图 3 | g01446167 |
C-C 视图 | |
(4) 安装气门挺柱总成时，必须使油孔位于挺柱轴内，如图所示。 油孔必须面向发动机缸体的侧盖。
注: 将 4C-4030 螺纹固定剂 涂抹在螺栓 (5) 螺纹上。 按图 3 中所示的数字顺序上紧每个气门挺柱总成的螺栓。
(5) 12 条螺栓的扭矩 ... 13 ± 3 N·m (115 ± 27 lb in)
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| 图 4 | g01446144 |
右视图 | |
(6) 将 8T-2998 润滑剂 涂抹到 12 条摇臂的插座上。
注: 按图 4 中所示的数字顺序将螺栓上紧到标准扭矩。
(7) 137-6717 弹簧
- 数量 ... 5
- 在试验力下的长度 ... 30 mm (1.2 in)
- 试验力 ... 63.4 ± 6.3 N (14.3 ± 1.4 lb)
- 试验后的自由长度 ... 50.8 mm (2.00 in)
- 外径 ... 27.94 mm (1.100 in)
- 在试验力下的长度 ... 30 mm (1.2 in)
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