| Safety precautions when working on the fuel supply of the diesel direct injection system |
| If test and measuring devices are required during test drives observe the following: |
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| Always secure the test and measuring devices on the rear seat and have a second person operate them there. |
| If the test and measuring devices are operated from the passenger seat, the passenger could be injured by the release of the passenger airbag in the event of an accident. |
WARNING | Secure the diagnostic device to the rear seat and operate from that position. |
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| Observe the following points to prevent injury to persons and/or damage to the injection and preheating system: |
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| Disconnect and connect wires of the preheating and injection system as well as measuring device wires when the ignition is switched off. |
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| If the engine should be run at the starter speed without it actually igniting, then separate the central plug connection for the unit injector at the cylinder head. |
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| Before disconnecting the battery determine the code of the radio fitted with anti-theft coding. |
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| Always switch off the ignition before disconnecting and re-connecting the battery. Otherwise the engine control unit may be damaged. |
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