| Safety precautions when working on fuel supply system |
Caution | When doing any repair work, especially in the engine compartment, pay attention to the following due to the cramped conditions: |
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| Route all the various lines (e.g. for fuel, hydraulics, activated charcoal filter system, coolant, refrigerant, brake fluid and vacuum) and electrical wiring in their original positions. |
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| To avoid damage to lines, ensure sufficient clearance to all moving or hot components. |
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| When removing and installing fuel gauge sender -G- or fuel pump (fuel delivery unit) from a full or partly full fuel tank, observe the following: |
WARNING | Fuel supply lines are under pressure! Wear eye protection and protective gloves to avoid injuries and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection. |
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| Before beginning work, place an extraction hose close to sender opening in fuel tank to extract escaping fuel fumes and switch on exhaust extraction system. If no exhaust extraction system is available, a radial fan with a displacement greater than 15 m3/h can be used providing that motor is not in air flow. |
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| Prevent skin contact with fuel! Wear fuel-resistant gloves! |
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