Cylinder Head Valves
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图 1 | g01417779 |
注: 安装到缸盖中之前,用清洁的发动机机油润滑进气门杆和排气门杆。
(1) 进气门
- 气门杆直径 ... 8.000 ± 0.010 mm (0.3150 ± 0.0004 in)
- 气门盖直径 ... 39.00 ± 0.13 mm (1.535 ± 0.005 in)
- 气门表面角度 ... 60.25 ± 0.25 度
- 气门盖直径 ... 39.00 ± 0.13 mm (1.535 ± 0.005 in)
(2) 排气门
- 气门杆直径 ... 9.441 ± 0.010 mm (0.3717 ± 0.0004 in)
- 气门盖直径 ... 36.00 ± 0.13 mm (1.417 ± 0.005 in)
- 气门表面角度 ... 45.75 ± 0.25 度
- 气门盖直径 ... 36.00 ± 0.13 mm (1.417 ± 0.005 in)
(3) 241-8386 弹簧
- 在试验力下的长度 ... 42.8 mm (1.69 in)
- 试验力 ... 152.5 ± 7.0 N (34.3 ± 1.6 lb)
- 测试后近似的自由长度 ... 56.68 mm (2.231 in)
- 外径 ... 21.33 mm (0.840 in)
- 试验力 ... 152.5 ± 7.0 N (34.3 ± 1.6 lb)
(4) 190-6117 弹簧
- 在试验力下的长度 ... 37.70 mm (1.484 in)
- 试验力 ... 350 ± 17 N (78.7 ± 3.8 lb)
- 测试后近似的自由长度 ... 57.80 mm (2.276 in)
- 外径 ... 31.79 mm (1.252 in)
- 试验力 ... 350 ± 17 N (78.7 ± 3.8 lb)
(5) 190-6115 弹簧
- 在试验力下的长度 ... 36.5 mm (1.44 in)
- 试验力 ... 187 ± 8 N (42.0 ± 1.8 lb)
- 测试后近似的自由长度 ... 57.80 mm (2.276 in)
- 外径 ... 23.18 mm (0.913 in)
- 试验力 ... 187 ± 8 N (42.0 ± 1.8 lb)
(6) 241-8385 弹簧
- 在试验力下的长度 ... 44.0 mm (1.73 in)
- 试验力 ... 305 ± 15 N (68.6 ± 3.3 lb)
- 测试后近似的自由长度 ... 67.69 mm (2.665 in)
- 外径 ... 28.56 mm (1.124 in)
- 试验力 ... 305 ± 15 N (68.6 ± 3.3 lb)
注: 安装前,用清洁的发动机机油润滑缸盖上的气门导管孔。
(A) 气门导管高出缸盖顶部的高度 ... 12.0 ± 0.5 mm (0.47 ± 0.02 in)
(7) 气门导管(进气)
- 外径 ... 13.030 ± 0.008 mm (0.5130 ± 0.0003 in)
- 缸盖上气门导管的孔 ... 13.000 ± 0.013 mm (0.5118 ± 0.0005 in)
(8) 气门导管(排气)
- 外径 ... 16.000 ± 0.008 mm (0.6299 ± 0.0003 in)
- 缸盖上气门导管的孔 ... 15.970 ± 0.013 mm (0.6287 ± 0.0005 in)
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图 2 | g01418601 |
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注: 通过降低温度使气门座圈收缩。 收缩座圈令其容易装入沉孔中。
(C) 气门座圈表面外径
- 角度(进气) ... 30.25 ± 0.25 度
- 角度(排气) ... 45.00 ± 0.25 度
(D) 缸盖上的气门座圈孔深度
- 深度(进气) ... 9.30 ± 0.05 mm (0.366 ± 0.002 in)
- 深度(排气) ... 10.40 ± 0.05 mm (0.409 ± 0.002 in)
(E) 气门座圈外径
- 直径(进气) ... 40.060 ± 0.013 mm (1.5772 ± 0.0005 in)
- 缸盖上气门座圈的孔(进气) ... 40.000 ± 0.015 mm (1.5748 ± 0.0006 in)
- 直径(排气) ... 37.560 ± 0.013 mm (1.4787 ± 0.0005 in)
- 缸盖上气门座圈的孔(排气) ... 37.500 ± 0.015 mm (1.4764 ± 0.0006 in)
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