Valve Mechanism
1 型
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图 1 | g00111806 |
典型实例 |
(1) 锁紧螺母
- 扭矩 ... 70 ± 15 N·m (50 ± 11 lb ft)
(2) 摇臂轴
-
摇臂轴轴承孔孔径
- 将轴承安装摇臂内后必须将轴承加工至规定尺寸。 ... 37.140 ± 0.015 mm (1.4622 ± 0.0006 in)
- 最大粗糙度平均值 (Ra) ... 0.8 微米 (32 微英寸)
- 摇臂轴直径 ... 37.084 ± 0.013 mm (1.4600 ± 0.0005 in)
- 最大粗糙度平均值 (Ra) ... 0.8 微米 (32 微英寸)
(3) 气门间隙
- 进气 ... 0.50 mm (0.020 in)
- 排气 ... 1.00 mm (0.040 in)
(4) 定位销高度
- 到定位销顶部的高度 ... 66.5 ± 0.5 mm (2.62 ± 0.02 in)
(5) 锁紧螺母
- 扭矩 ... 30 ± 4 N·m (22 ± 3 lb ft)
(6) 挺杆
- 新气门挺柱直径 ... 29.900 ± 0.010 mm (1.1772 ± 0.0004 in)
- 缸盖上的气门挺柱孔孔径 ... 30.000 ± 0.025 mm (1.1811 ± 0.0010 in)
(7) 定位销
- 新定位销直径 ... 11.008 ± 0.003 mm (0.4334 ± 0.0001 in)
- 气门桥上的定位销孔孔径 ... 11.07 ± 0.03 mm (0.436 ± 0.001 in)
- 缸盖上的定位销孔孔径 ... 10.968 ± 0.020 mm (0.4318 ± 0.0008 in)
- 气门桥上的定位销孔孔径 ... 11.07 ± 0.03 mm (0.436 ± 0.001 in)
(8) 安装螺栓
- 扭矩 ... 120 ± 20 N·m (90 ± 15 lb ft)
(9) 导向弹簧
请参阅再用零件准则, SEBF8172, "7N-4782 挺柱导杆弹簧肉眼检查 − 3500 系列发动机"。
2 型
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图 2 | g01172129 |
典型实例 |
(1) 锁紧螺母
- 扭矩 ... 70 ± 15 N·m (50 ± 11 lb ft)
(2) 摇臂轴
-
摇臂轴轴承孔孔径
- 将轴承安装摇臂内后必须将轴承加工至规定尺寸。 ... 37.140 ± 0.015 mm (1.4622 ± 0.0006 in)
- 最大粗糙度平均值 (Ra) ... 0.8 微米 (32 微英寸)
- 摇臂轴直径 ... 37.084 ± 0.013 mm (1.4600 ± 0.0005 in)
- 最大粗糙度平均值 (Ra) ... 0.8 微米 (32 微英寸)
(3) 气门间隙
- 进气 ... 0.50 mm (0.020 in)
- 排气 ... 1.00 mm (0.040 in)
(4) 挺杆
- 新气门挺柱直径 ... 29.900 ± 0.010 mm (1.1772 ± 0.0004 in)
- 缸盖上的气门挺柱孔孔径 ... 30.000 ± 0.025 mm (1.1811 ± 0.0010 in)
(5) 安装螺栓
- 扭矩 ... 120 ± 20 N·m (90 ± 15 lb ft)
(6) 导向弹簧
请参阅再用零件准则, SEBF8172, "7N-4782 挺柱导杆弹簧肉眼检查 − 3500 系列发动机"。
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