Hose/Line HVAC: Service Precautions
WARNING:- Avoid breathing A/C refrigerant and lubricant vapor or mist. exposure may irritate eyes, nose and throat. Use only approved service equipment meeting SAE requirements to discharge R-134a system. If accidental system discharge occurs, ventilate work area before resuming service.
- R-134a Service equipment or vehicle A/C System should not be pressure tested or leak tested with compressed air. Some mixtures of air/R-134a have been shown to be combustible at elevated pressures. These mixtures are potentially dangerous and may result in fire or explosion causing injury or property damage.