3176C and 3196 Engines for Caterpillar Built Machines Caterpillar

Engine Oil Pump

Usage:

140H 126

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图 1	g01577633
(4) O 形密封圈

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注意

起动发动机之前，机油泵必须用清洁的发动机机油润滑。机油泵必须徒手可以自由转动。如果机油泵没有用清洁的发动机机油润滑，可能出现驱动齿轮和泵内部结构损坏。

机油类别 ... SAE 30

机油温度 ... 50 °C (122 °F)

泵速度 ... 3000 rpm

机油压力 ... 359 kPa (52 psi)

最小机油流量 ... 185 L/min (49 US gpm)

(1) 齿轮

新齿轮长度 ... 50.000 ± 0.025 mm (1.9685 ± 0.0010 in)

机油泵体上的齿轮孔深度 ... 50.13 mm (1.974 in)

注: 可以将齿轮加热到 316 °C (601 °F) 的最高温度，以便安装到轴上。

(2) 机油泵轴组件

轴直径 ... 18.000 ± 0.005 mm (0.7087 ± 0.0002 in)

机油泵体上的轴孔 ... 18.050 ± 0.010 mm (0.7106 ± 0.0004 in)

(3)可以将机油泵驱动齿轮加热到 316 °C (601 °F) 的最高温度，以便安装到轴上。

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