C175-16 Locomotive Engine Caterpillar


Cylinder Head Valves

Usage:

C175-16 3A9


图 1g02557379

表 1
328-7083 缸盖总成技术规格 
项目  数量  零件  技术规格说明 
318-4785 弹簧  在试验力下的长度为 88 mm (3.5 in)。 
试验力为 810 ± 40 N (182 ± 9 lb)
试验后的自由长度为 109.24 mm (4.301 in)
318-4786 弹簧  在试验力下的长度为 82.63 mm (3.253 in)。 
试验力为 540 ± 27 N (121 ± 6 lb)
试验后的自由长度为 102.77 mm (4.046 in)
236-0544 气门导管  注:组装到缸盖前,将清洁的发动机机油涂敷到气门导管的外径上。 
至气门导管顶部的高度 (A) 是 42.0± 0.5 mm (1.65 ± 0.02 in)
安装后,进气门新气门导管中的孔径是 12.626 ± 0.020 mm (0.4971 ± 0.0008 in)
273-1224 进气门  注:组装到气门导管前,将清洁的发动机机油涂敷到气门杆上。 
气门杆直径为 12.573 ± 0.010 mm (0.4950 ± 0.0004 in)
气门头 (B) 的直径是 58.50 ± 0.15 mm (2.303 ± 0.006 in)
气门端面角度为 70.75 ± 0.25 度。
254-2073 排气门  注:组装到气门导管前,将清洁的发动机机油涂敷到气门杆上。 
气门杆直径为 12.464 ± 0.025 mm (0.4907 ± 0.0010 in)
气门头 (C) 的直径是 56.50 ± 0.15 mm (2.224 ± 0.006 in)
气门端面角度为 45.60 ± 0.25 度。
333-9179 气门座镶圈  气门座镶圈端面角度是 20.00 ± 0.25 度。 
进气门座镶圈的外径为 67.150 ± 0.013 mm (2.6437 ± 0.0005 in)
缸盖中用于安装进气门座镶圈的孔径为 66.995 ± 0.020 mm (2.6376 ± 0.0008 in)
缸盖中用于安装气门座镶圈的孔的深度为 14.03 ± 0.15 mm (0.552 ± 0.006 in)
333-9180 气门座镶圈  气门座镶圈端面角度是 45.00 ± 0.25 度。 
排气门座镶圈的外径为 66.900 ± 0.013 mm (2.6339 ± 0.0005 in)
缸盖中用于安装排气门座镶圈的孔径为 66.745 ± 0.020 mm (2.6277 ± 0.0008 in)
缸盖中用于安装气门座镶圈的孔的深度为 14.63 ± 0.15 mm (0.576 ± 0.007 in)

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