| For jobs on the fuel/ injection system, strictly observe the “5 cleaning rules”: |
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| Deeply clean connections and surrounding areas before disconnecting them. |
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| Place parts on clean surface and cover them. Do not use clothes that tear residues off! |
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| If repair jobs are not going to be carried out immediately, components removed from packaging must be covered or carefully preserved. |
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| Install only clean components. Remove spare parts from packaging shortly before installing them. Do not install components that have been kept out of packaging (i.e. inside the tool box, etc.). |
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| With system open: If possible, avoid using compressed air. If possible, do not move vehicle. |
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