3512B Generator Set Engine Caterpillar


Engine Design

Usage:

3512B NSC



图 1g00293349

气缸和气门的位置

(A) 进气门

(B) 排气门

气缸数和气缸布置 ... 60 度 V 型 12 缸

每气缸气门数 ... 4

排量 ... 51.8 L (3158 cu in)

缸径 ... 170 mm (6.7 in)

冲程 ... 190 mm (7.5 in)

压缩比 ... 14:1

燃烧方式 ... 直喷式

从飞轮端观看曲轴时,曲轴沿以下方向旋转。 ... 逆时针

发火次序(喷油顺序)

标准转动 CCW ... 1, 12, 9, 4, 5, 8, 11, 2, 3, 10, 7, 6

反向旋转 CW ... 1, 4, 9, 8, 5, 2, 11, 10, 3, 6, 7, 12

气门间隙

进气 ... 0.50 mm (0.020 in)

排气 ... 1.00 mm (0.040 in)

注: 发动机的前端是与发动机飞轮端相对的发动机的另一端。 发动机的左、右侧是从发动机飞轮端来判断的。 1 号缸是发动机右侧前面的气缸。 2 号缸是发动机左侧前面的气缸。

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