G3600 Engines Caterpillar


Cylinder Head, Valves, Valve Springs and Valve Seat Inserts

Usage:

G3606B 4ZS



图 1g01308720

(1) 摇臂支承定位销的组装高度 ... 8.0 ± 1.0 mm (0.32 ± 0.04 in)

(2) 组装气门导管的内径 ... 16.055 ± 0.013 mm (0.6321 ± 0.0005 in)

(3) 气门桥定位销的组装高度 ... 105.0 ± 2.0 mm (4.13 ± 0.08 in)

(4) 1W-1749 弹簧 气门内弹簧

在试验力下的长度 ... 79.3 mm (3.12 in)
试验力 ... 361 ± 36 N (80 ± 8 lb)
试验后的自由长度 ... 107.0 mm (4.21 in)
外径 ... 47.9 mm (1.89 in)

(5) 1W-1748 弹簧 气门外弹簧

在试验力下的长度 ... 84.9 mm (3.34 in)
试验力 ... 758 ± 76 N (170 ± 17 lb)
试验后的自由长度 ... 114.0 mm (4.49 in)
外径 ... 68.0 mm (2.68 in)

(6) 气门导杆的组装高度 ... 20.0 ± 2.0 mm (0.79 ± 0.08 in)

(A) 预燃室座的最大深度 ... 230.5 mm (9.1 in)

(A)

  1. 将密封件、垫片和垫圈装配到缸盖。 用手拧紧螺母。

  1. 使用以下任一张紧器同时张紧每套缸盖双头螺栓:

    207-5034 双头螺栓拧紧工具总成 ... 40000 ± 1520 kPa (5800 ± 220 psi)

    191-5320 双头螺栓拧紧工具总成 ... 125000 ± 4920 kPa (18130 ± 715 psi)

  1. 用手拧紧螺母。

  1. 慢慢释放压力。

  1. 重复步骤 2 到步骤 4。

(8) 燃烧密垫片的厚度 ... 4 ± 0.05 mm (0.158 ± 0.002 in)

必须将表面平行在以下尺寸范围内。 ... 0.03 mm (0.001 in)

(9) 气门面角

进气门面角 ... 20.25 ± 0.10 度
排气门面角 ... 20.25 ± 0.10 度



图 2g00912082

进气门和排气门

(10) 气门座镶圈的孔深 ... 24.00 ± 0.15 mm (0.945 ± 0.006 in)

(11) 气门杆直径

进气门杆直径 ... 15.980 ± 0.007 mm (0.6291 ± 0.0003 in)
排气门杆直径 ... 15.977 ± 0.01 mm (0.6290 ± 0.0004 in)

将气门导管安装到缸盖内。 气门导杆的孔径尺寸如下。 ... 16.031 ± 0.028 mm (0.6311 ± 0.0011 in)

注: 安装到缸盖之前,首先在进气门杆和排气门杆上涂抹 8T-2998 润滑油 。

(12) 气门座镶圈的直径

进气门座圈直径 ... 97.195 ± 0.015 mm (3.8266 ± 0.0006 in)
排气门座圈直径 ... 97.215 ± 0.015 mm (3.8274 ± 0.0006 in)

缸盖上的气门座圈盖孔孔径 ... 97.000 ± 0.025 mm (3.8189 ± 0.0010 in)

(13) 气门座镶圈的面角 ... 20 ± 1 度

气门和座圈之间的表面均要求 360 度的完全接触。 座圈的最小宽度尺寸如下。 ... 3.0 mm (0.12 in)

(14) 从闭合气门面到缸盖表面的最大凹进量 ... 2.0 mm (0.08 in)

缸盖表面上关闭气门的最大突出量 ... 0.50 mm (0.020 in)

(15) 进气门盖的外径 ... 90.00 ± 0.20 mm (3.543 ± 0.008 in)

排气门盖的外径 ... 90.00 ± 0.20 mm (3.543 ± 0.008 in)

(16) 可再次使用的最小气门唇部厚度的尺寸如下。 ... 5.40 mm (0.213 in)




图 3g00912084

气体进入阀

(17) 7N-1904 弹簧 气门外弹簧

在试验力下的长度 ... 56.4 mm (2.22 in)
试验力 ... 254 ± 25 N (57 ± 6 lb)
试验后的自由长度 ... 62.5 mm (2.46 in)
外径 ... 44.0 mm (1.73 in)

(18) 气门杆密封

注: 为防止污染燃料,每个气体进入阀上都安装有气门杆密封。

(19) 7N-1903 弹簧 气门内弹簧

在试验力下的长度 ... 45.5 mm (1.79 in)
试验力 ... 125 ± 12 N (28 ± 3 lb)
试验后的自由长度 ... 51.5 mm (2.03 in)
外径 ... 29.2 mm (1.15 in)

(20) 气体进入阀的气门导杆内径 ... 9.502 ± 0.013 mm (0.3741 ± 0.0005 in)

(21) 安装座圈并拧紧到以下扭矩。 ... 100 ± 15 N·m (75 ± 11 lb ft)

(22) 气体进入阀的气门杆直径 ... 9.441 ± 0.008 mm (0.3717 ± 0.0003 in)

(23) 气体进入阀的面角 ... 45.75 ± 0.25 度

气体进入阀的支承角 ... 44.75 ± 0.5 度

(24) 气体进入阀头部的外径 ... 41.81 ± 0.13 mm (1.646 ± 0.005 in)

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