Guidelines For Clean Working Conditions
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Even Slight Contamination Can Cause Malfunctions for This Reason When Working on the a/C System Pay Attention to the Following Cleanliness Regulations:
- Immediately seal off any open lines and connections with clean plugs taken from the Engine Bung Set:VAS6122 , for example.
- Place removed parts on a clean surface and cover them with lint-free cloths.
- Carefully cover or seal opened components if repairs are not performed immediately.
- Only install clean parts: remove the replacement parts from their packaging just before installing them. Do not use any parts that have been kept out of packaging (for example, in a toolbox).
- Do not work with compressed air when the system is open.
- Protect any disconnected connectors from dirt and moisture, and only connect them when they are completely dry.