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Cleanliness rules for work on additional heater and fuel system
Cleanliness rules for work on additional heater and fuel system
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◆ Thoroughly clean all unions and the adjacent areas before disconnecting.
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◆ Place dismantled components on a clean surface (use plastic sheeting or paper, lint-free cloths) and cover over.
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◆ Carefully cover over or seal open components if repairs cannot be performed immediately.
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◆ Only install clean components:
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‒ Do not remove replacement parts from their wrapping until immediately prior to installation.
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‒ Do not use parts that have been stored without their packaging (e.g. in tool boxes etc.).
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◆ When the fuel system is open:
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‒ Do not work with compressed air.
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‒ Do not move the vehicle.
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‒ Do not start the engine.
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‒ Do not switch on additional heater (not even via the "Basic setting" function of the self-diagnosis).
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