ap4700t172001bb

Bleed fuel system

Type ap · topic 47.00 · version 0104 · 2005-07-12

Applies to: ENGINE 457.944 in MODEL NMB613.358 /388 ENGINE 446.938 in MODEL NMB613.455

Where it sits

Function group 1 Engine › 47 Fuel system, powertrain energy supply › 47.00 General — Series 613 (models 358, 388, 455)

EinPAS 16 Fuel/power supply to engine › 16.10 Fuel supply › 16.10.1 Basic information — Series 613 (models 358, 388, 455)

Also applies to engines/gearboxes: 446 938, 457 944

AP47.00-T-1720-01BB

Bleed fuel system

Danger!

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel.

No fire, sparks, open flames or smoking.
Pour fuels only into suitable and appropriately marked containers.

Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

Bleed fuel system

T47.00-0003-12

Illustrated on model 613.358

1 Open bleed screw (2).

2 Open the shutoff valve (3).

3 Continue operating the fuel delivery pump (1) until fuel flows out of bleed screw (2) free of bubbles.

4 Close bleed screw (2).

5 Continue operating fuel delivery pump (1) until a strong back-pressure is felt.

1 Fuel delivery pump

2 Bleed screw

3 Shutoff valve

Referenced documents