3408B and 3412C Generator Set Engines Caterpillar


Engine Design

Usage:

3408B 2BG

3408C




图 1g00318865

气缸、气门和喷油泵的位置

(A) 进气。 (B) 排气。 (C) 喷油泵。

缸径 ... 137.2 mm (5.4 in)

冲程 ... 152.4 mm (6.0 in)

排量 ... 18 L1099 (in3)

气缸数和气缸布置 ... 65 度 V8

每气缸气门数 ... 4

压缩比 ... 13:1

燃烧类型 ... 直喷式

曲轴旋转方向(从飞轮端观看) ... 逆时针

燃油泵凸轮轴的转向(从泵驱动端观看) ... 逆时针

发火顺序(喷油顺序) ... 1, 8, 4, 3, 6, 5, 7, 2

气门间隙测量

进气 ... 0.38 mm (0.015 in)

排气 ... 0.76 mm (0.030 in)

注: 发动机的前端与飞轮端相对。 发动机左右侧是通过从飞轮端观看来区分的。 1 号气缸是左侧最前面的那一个气缸。 2 号气缸是发动机右侧前面的气缸。

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