C15 and C18 Engines for Caterpillar Built Machines Caterpillar


Fuel Transfer Pump

Usage:

826K 2L3


图 1g01176645
燃油输油泵右视图
(1) 进口
(2) 压力调节阀


图 2g01176648
燃油输油泵左侧
(3) 溢流孔
(4) 出口

当燃油输油泵使用柴油时,燃油输油泵具有以下技术规格:

  1. 使泵在 2940 rpm 转速下运转。 整个旁通压力应为 716 到 786 kPa (104 到 114 psi)

  2. 使泵在 840 rpm 转速下运转。 在 550 kPa (80 psi) 压力下的流速必须为 3.0 L/min (0.8 US gpm)

  3. 使泵在 2940 rpm 转速下运转。 在 650 kPa (94 psi) 压力下的流速必须为 4.50 L/min (1.19 US gpm).

  4. 使泵在120 rpm 转速下运转。 保持进口对空气打开 10 秒钟。 封闭进口。 泵必须能保持 30 kPa (4 psi) 的真空度最少 30 秒钟。

  5. 使泵在 840 rpm 转速下运转。 保持进口对空气打开 10 秒钟。 封闭进口。 泵必须能保持 45 kPa (7 psi) 的真空度最少 30 秒钟。

  6. 封闭进口让泵在 120 rpm 转速下运转 30 秒钟。 泵的进口必须具备最小为 60.9 kPa (8.8 psi) 的吸入提升力。

  7. 使泵在 140 rpm 转速下运转。 在 200 kPa (29 psi) 压力下的流速必须为 0.25 L/min (0.07 US gpm)

从驱动端观看泵时,泵的旋转方向为顺时针。

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