C13, C15, and C18 Tier 4 Final Engines Caterpillar


Cylinder Head Valves

Usage:

826K 232



图 1g01445699

注: 将气门安装到缸盖中前,先用清洁的发动机机油润滑进气门杆和排气门杆。

(A) 至气门导管中的台阶的高度 ... 20.0 ± 0.5 mm (0.79 ± 0.02 in)




图 2g01445692

进气门

(1) 进气门

(B) 气门杆直径 ... 9.441 ± 0.008 mm (0.3717 ± 0.0003 in)
(C) 气门面斜角 ... 60.75 ± 0.25 度
(D) 气门头直径 ... 44.50 ± 0.13 mm (1.752 ± 0.005 in)
(E) 气门唇部厚度 ... 3.50 ± 0.20 mm (0.138 ± 0.008 in)

(2) 224-4441 弹簧

在测试力下的长度 ... 50.47 mm (1.987 in)
测试力 ... 160 ± 13 N (36.0 ± 2.9 lb)
测试后近似的自由长度 ... 64.1 mm (2.52 in)
外径 ... 23.24 mm (0.915 in)



图 3g01445690

排气门

(3) 排气门

(F) 气门杆直径 ... 9.441 ± 0.008 mm (0.3717 ± 0.0003 in)
(G) 气门面斜角 ... 45.75 ± 0.25 度
(H) 气门头直径 ... 41.50 ± 0.13 mm (1.634 ± 0.005 in)
(J) 气门唇部厚度 ... 3.25 ± 0.10 mm (0.128 ± 0.004 in)

(4) 332-2152 弹簧

在测试力下的长度 ... 52.95 mm (2.085 in)
测试力 ... 320 ± 31 N (71.9 ± 7.0 lb)
测试后近似的自由长度 ... 62.7 mm (2.47 in)
外径 ... 34.0 mm (1.34 in)

注: 安装气门导管前,在气门导管孔上涂抹清洁的发动机机油。

(5) 气门导管

已安装气门导管的孔径 ... 9.508 ± 0.013 mm (0.3743 ± 0.0005 in)
气门导管最大推荐孔径 ... 9.544 mm (0.3757 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。

(6) 进气门座圈

气门座圈的角度 ... 29.75 ± 0.25 度
气门座圈的直径 ... 45.525 ± 0.013 mm (1.7923 ± 0.0005 in)
缸盖中用于安装气门座圈的孔 ... 45.461 ± 0.015 mm (1.7898 ± 0.0006 in)

(7) 排气门座圈

气门座圈的角度 ... 44.75 ± 0.25 度
气门座圈的直径 ... 42.390 ± 0.015 mm (1.6689 ± 0.0006 in)
缸盖中用于安装气门座圈的孔 ... 42.320 ± 0.015 mm (1.6661 ± 0.0006 in)

Caterpillar Information System:

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