Cylinder Head Valves
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图 1 | g01476373 |
(1) 318-4785 弹簧
- 在试验力下的长度 ... 88 mm (3.5 in)
- 试验力 ... 810 ± 40 N (180 ± 9 lb)
- 试验后的自由长度 ... 109.24 mm (4.301 in)
- 外径 ... 49.01 mm (1.926 in)
- 试验力 ... 810 ± 40 N (180 ± 9 lb)
(2) 318-4786 弹簧
- 在试验力下的长度 ... 82.63 mm (3.253
in)
- 试验力 ... 540 ± 27 N (120.00 ± 6.07 lb)
- 试验后的自由长度 ... 102.77 mm (4.046 in)
- 外径 ... 34.398 mm (1.3542 in)
- 试验力 ... 540 ± 27 N (120.00 ± 6.07 lb)
注: 安装到缸盖上之前,在气门杆上涂抹清洁的发动机机油。
(A) 气门导管尺寸
- 到气门导管顶部的高度 ... 42.0± 0.5 mm (1.65
± 0.02 in)
- 安装后进气阀的新气门导管孔径 ... 12.626 ± 0.020 mm (0.4971 ± 0.0008 in)
- 安装后排气阀的新气门导管孔径 ... 12.626 ± 0.020 mm (0.4971 ± 0.0008 in)
- 安装后进气阀的新气门导管孔径 ... 12.626 ± 0.020 mm (0.4971 ± 0.0008 in)
(B) 气门尺寸
- 新进气阀杆直径 ... 12.573 ± 0.010 mm (0.4950
± 0.0004 in)
- 新排气阀杆直径 ... 12.464 ± 0.025 mm (0.4907 ± 0.0010 in)
(E) 气门头直径
- 进气 ... 58.50
± 0.15 mm (2.303 ± 0.006 in)
- 排气 ... 56.50 ± 0.15 mm (2.224 ± 0.006 in)
(D) 气门表面角度:
- 进气 ... 70.75 ± 0.25 度
- 排气 ... 45.60 ± 0.25 度
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图 2 | g01476372 |
(G) 缸盖上的气门镶圈孔深度 ... 14.03 ± 0.15 mm (0.552 ± 0.006 in)
(F) 气门镶圈表面的角度
- 进气 ... 20.00 ± 0.25 度
- 排气 ... 45.00 ± 0.25 度
(G) 气门座镶圈表面的外径 ... 50.00 ± 0.25 mm (1.968 ± 0.001 in)
(H) 气门镶圈尺寸
- 进气阀气门镶圈外径 ... 67.120 ± 0.013 mm (2.6425 ± 0.0005 in)
- 排气阀气门镶圈外径 ... 66.890 ± 0.013 mm (2.6335 ± 0.0005 in)
- 缸盖上的进气阀气门镶圈孔径 ... 66.995 ± 0.020 mm (2.6376 ± 0.0008 in)
- 缸盖上的排气阀镶圈孔径 ... 66.745 ± 0.020 mm (2.6278 ± 0.0008 in)
- 排气阀气门镶圈外径 ... 66.890 ± 0.013 mm (2.6335 ± 0.0005 in)
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