64 52 ... Notes/instructions on working on air-conditioning systems
WARNING:
Avoid contact with refrigerant and refrigerant oil. Follow safety instructions for handling refrigerant R 134a, refer to 64 50 ... SAFETY INSTRUCTIONS FOR HANDLING REFRIGERANT R 134A . Follow safety instructions for handling refrigerant oil refer to 64 50 ... SAFETY PRECAUTIONS WHEN HANDLING REFRIGERANT OIL (FOR REFRIGERANT R 134A) . Scalding hazard! Work on the cooling system may only be carried out when it has cooled down.
IMPORTANT:
Risk of damage! Restart engine only when A/C system has been correctly filled. Read and comply with notes on replacing compressor, refer to 64 52 ... INSTRUCTIONS FOR COMPRESSOR REPLACEMENT .
NOTE:
If A/C system is opened for more than 24 hours: Replace desiccant insert for A/C system, refer to 64 53 517 REPLACING DESICCANT INSERT FOR A / C SYSTEM (CONDENSER REMOVED) .