WARNING | Fuel supply pipes are under pressure. Before removing fuel hose connections wrap a cloth around the connection to be separated. Then release pressure by carefully pulling hose from connection. |
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| For removal and fitting the fuel level sender or the fuel pump (fuel supply unit) when the fuel tank is full or partially full, observe the following: |
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| Before commencing work, switch on exhaust extraction system and place an extraction hose close to the sender opening in the fuel tank to extract escaping fuel fumes. |
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| If no exhaust extraction system is available, a radial fan (as long as motor is not in air flow) with a displacement greater than 15 m3/h can be used. |
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| Avoid skin contact with fuel, wear fuel-resistant gloves! |
| Observe the following if test and measuring instruments are required during a test drive: |
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| Always install the test and measurement equipment in the back seat of the vehicle so that they may be used by a second mechanic. |
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| If the equipment is being operated from the passenger seat, the operator may be injured by an airbag detonation in case of an accident. |
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