AR07.15-G-2000-03DD | Measure fuel return quantity at the fuel tank | ||
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 contactwith fuel. | No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. | |
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
Notes on possible sources of fault in the low-pressure fuel circuit |
Measure
1 | Unclip and disassemble cover (2) on fuel filler neck. |
2 | Unlock and detach fuel return line (1) from fitting of the fuel fill level sensor. |
Collect fuel which runs out in a suitable container. |
3 | Insert transparent fuel line (3), as shown, into connector of fuel return line (1). Guide the other end of transparent fuel line (3) into a suitable measuring container (4). |
The measuring container (4) must have a capacity of at least 6 l and be calibrated. |
4 | Start the engine and allow to run, catch fuel with the measuring container (4). |
Switch off the engine at idle speed after 1 min or at maximum governed rpm after 30 s. |
5 | Read off the fuel quantity on the scale on the measuring container (4). . |
6 | Remove transparent fuel line (3). |
7 | Attach fuel return line (1) to the fitting of the fuel fill level sensor with a new sealing ring. |
8 | Attach cover (2) on filler neck. |
W07.15-1396-12
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