Cylinder Head Valves
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图 1 | g01416580 |
缸盖气门的横截面视图 (1) 进气门 (2) 排气门 |
注: 装入缸盖中前,先用 8T-2998 润滑剂 涂覆进气门杆和排气门杆。
(A) 气门导管高出缸盖上表面的高度 ... 12.0 ± 0.5 mm (0.47 ± 0.02 in)
(3) 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)
(4) 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)
(B) 新气门杆直径 ... 9.441 ± 0.010 mm (0.3717 ± 0.0004 in)
(E) 气门盖直径 ... 36.00 ± 0.13 mm (1.417 ± 0.005 in)
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图 2 | g01416603 |
C 区视图 |
(F) 进气门座圈表面的角度 ... 65.00 ± 0.25 度
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图 3 | g01416597 |
D 区视图 |
(G) 排气门座圈表面角度(第一次切削) ... 20 ± 1 度
(H) 排气门座圈表面角度(第二次切削) ... 45.00 ± 0.25 度
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图 4 | g01416605 |
(J) 缸盖上的气门座圈孔径尺寸
- 进气 ... 9.50 ± 0.05 mm (0.374 ± 0.002 in)
- 排气 ... 12.00 ± 0.05 mm (0.472 ± 0.002 in)
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。
(K) 气门表面角度
- 进气门 ... 65.75 ± 0.25 度
- 排气门 ... 45.75 ± 0.25 度
(L) 缸盖中用于气门座圈的孔径
- 进气门 ... 37.000 ± 0.015 mm (1.4567 ± 0.0006 in)
- 排气门 ... 37.500 ± 0.015 mm (1.4764 ± 0.0006 in)
(M) 气门座圈外径
- 进气门 ... 37.060 ± 0.013 mm (1.4591 ± 0.0005 in)
- 排气门 ... 37.560 ± 0.013 mm (1.4787 ± 0.0005 in)
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