Clean Working Conditions
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Even slight contamination can lead to defects. Therefore observe the following rules for cleanliness when working on the A/C system:
- Immediately seal the open lines and connections with clean plugs, for example from the Engine Bung Set:VAS6122 .
- Place the components that have been removed on a clean surface and cover, using lint-free shop rags.
- Carefully cover opened components or seal if the repair cannot be carried out immediately.
- Only unpack replacement parts immediately prior to installation. Do not use any parts that have been kept out of packaging (for example, in a tool box).
- Do not work with compressed air when working on an open system.
- Protect the separated connectors against dirt and moisture and only connect them when it is dry.