C15 Petroleum Generator Set Engines Caterpillar


Cylinder Head Valves

Usage:

C15 115


图 1g01397685

注: 安装到缸盖上之前,在气门杆上涂抹清洁的发动机机油。

(1) 247-9908 弹簧

在试验力下的长度 ... 67.12 mm (2.643 in)
试验力 ... 320 ± 25 N (71.9 ± 5.6 lb)
测试后近似的自由长度 ... 76.70 mm (3.020 in)
外径 ... 36.3 mm (1.43 in)

(2) 211-3122 弹簧

在试验力下的长度 ... 60.14 mm (2.368 in)
试验力 ... 150 ± 12 N (33.7 ± 2.7 lb)
测试后近似的自由长度 ... 71.70 mm (2.823 in)
外径 ... 25.17 mm (0.991 in)

(A) 至气门导管顶部的高度 ... 35.00 ± 0.50 mm (1.378 ± 0.020 in)

(B) 新气门导管安装孔 ... 9.502 ± 0.013 mm (0.3741 ± 0.0005 in)

注: 不要使用相差 0.13 mm (0.005 in) 或更多的气门和气门导管组合。

(C) 气门凹进尺寸

进气 ... 2.20 to 2.80 mm (0.087 to 0.110 in)
排气 ... 1.20 to 1.80 mm (0.047 to 0.071 in)


图 2g01401264

(D) 气门表面角度规格

进气 ... 60.75 ± 0.25 度
排气 ... 45.75 ± 0.25 度

(E) 气门杆直径尺寸

新气门杆直径 ... 9.427 ± 0.010 mm (0.3711 ± 0.0004 in)
最小建议气门杆直径 ... 9.309 mm (0.3665 in)

(F) 气门盖直径

进气 ... 47.00 ± 0.13 mm (1.850 ± 0.005 in)
排气 ... 41.81 ± 0.13 mm (1.646 ± 0.005 in)

(G) 气门唇边厚度尺寸

进气 ... 4.00 ± 0.20 mm (0.158 ± 0.008 in)
排气 ... 3.56 ± 0.20 mm (0.140 ± 0.008 in)

注: 请参阅再使用和修补指南, SEBF8034以了解气门和气门弹簧的更多信息。

(H) 气门总长

进气 ... 202.00 ± 0.45 mm (7.953 ± 0.018 in)
排气 ... 202.06 ± 0.45 mm (7.955 ± 0.018 in)


图 3g01401267

(J) 气门座宽度

进气 ... 2.377 mm (0.0936 in)
排气 ... 1.508 mm (0.0594 in)

(K) 缸盖上的气门座圈孔径深度

进气 ... 14.00 ± 0.05 mm (0.551 ± 0.002 in)
排气 ... 13.90 ± 0.05 mm (0.547 ± 0.002 in)

(L) 气门座圈内径

进气 ... 41.00 ± 0.50 mm (1.614 ± 0.020 in)
排气 ... 36.50 ± 0.50 mm (1.437 ± 0.020 in)

(M) 气门座圈表面角度

进气 ... 30.25 ± 0.25 度
排气 ... 45.25 ± 0.25 度

(N) 气门座圈外径

进气 ... 48.025 ± 0.013 mm (1.8907 ± 0.0005 in)
排气 ... 42.840 ± 0.013 mm (1.6866 ± 0.0005 in)

缸盖上的气门座圈孔径尺寸

进气 ... 47.950 ± 0.025 mm (1.8878 ± 0.0010 in)
排气 ... 42.774 ± 0.025 mm (1.6840 ± 0.0010 in)
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