ENGINE AR 7I7758 - Caterpillar

Illustration 1 g00280095
Illustration 2 g00280096
(1) Outlet port (2) Drain hole (3) Inlet port (4) Pressure regulating valveWhen the fuel transfer pump is using diesel fuel, the fuel transfer pump has the following specifications.Run the pump at 2538 rpm. The full bypass pressure should be the following value. ... 682 to 751 kPa (99 to 109 psi)Run the pump at 846 rpm. The flow at 482 kPa (70 psi) must be 3.07 L/min (0.811 US gpm).Run the pump at 3384 rpm. The flow at 585.8 to 654.6 kPa (85 to 90 psi) must be 7.09 L/min (1.87 US gpm).Run the pump at 147 rpm with a blocked inlet. Run the pump for 30 seconds. The suction of the pump is required to be 60.84 kPa (18 inches hg).When the pump is viewed from the drive end the rotation of the pump is counterclockwise.