Assembly Work on the Air-Conditioning System

Assembly Work On The Air-conditioning System

Service unit SECU 134










NOTE: The manufacturer's operating and repair instructions must be observed when carrying out all work on the service unit.


Assembly work involving the refrigerant system


NOTE:
- The safety regulations must be observed during all work on the refrigerant system.
- During all work on the air-conditioning system which necessitates opening the refrigerant system, the system contents must first be disposed of correctly.
- Dirt and moisture must be kept out of the air-conditioning system's pipe system.
- Thorough cleanliness must be ensured during all work.
- System components must never be cleaned on the inside with hot steam.
- Use only nitrogen for cleaning purposes.
- When replacing a component, all openings must be closed off with suitable plugs.

General assembly sequence

NOTE:
- Pay attention to sealing rings when disconnecting or connecting the hose connections.
- The charging valves are located in the area of the front right spring strut.







1. Remove refrigerant by suction.
2. Remove faulty part.
3. Evacuate.
4. Check the system for leaks.
5. Rinse with refrigerant.
6. Empty the system by suction again.
7. Evacuate.
8. Fill.