ap4700a172001a

Bleed fuel system

Type ap · topic 47.00 · version 0101 · 2006-07-19

Applies to: ENGINE 457.939 /945 /946 /949 in MODEL NAB372.124 ENGINE 457.939 /945 in MODEL NAB372.317

Where it sits

Function group 1 Engine › 47 Fuel system, powertrain energy supply › 47.00 General — Series 372 (models 124, 317)

EinPAS 16 Fuel/power supply to engine › 16.10 Fuel supply › 16.10.1 Basic information — Series 372 (models 124, 317)

Also applies to engines/gearboxes: 457 939, 457 945, 457 946, 457 949

AP47.00-A-1720-01A

Bleed fuel system

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near engine

Secure vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

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

A47.20-0008-12

1 Operate the manual fuel feed pump (1) until a high back pressure is noticeable.

2 Start engine.

If the engine does not start after approx. 30 seconds: Wait for one minute and repeat the starting procedure.

3 Allow the engine to run until the fuel system is bled.

4 Switch off engine.

Using model 372.317 with engine 457.939 as an example

Referenced documents