General Work Sequence

WARNING: The contents of the refrigerant system must be properly disposed of before performing work on the air conditioning system which necessitates opening of the refrigerant system. All safety regulations must be observed here.

CAUTION:
- Dirt and moisture must be kept away from the piping system of the air-conditioning system. For this reason, extreme cleanliness must be ensured during all work. No parts of the system must be cleaned internally with hot steam under any circumstances. Only nitrogen must be used for cleaning.

- When a component is replaced, all openings must be sealed with suitable stoppers.

Work Sequence
1. Extract refrigerant.
2. Remove faulty part.
3. Evacuate.
4. Check system for leaks.
5. Flush with refrigerant.
6. Perform extraction again.
7. Evacuate.

NOTE: Pay attention to the sealing rings when disconnecting or connecting the hose connections.