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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 985 (Heating And Air Conditioning - Repair -- F31) >> Air Conditioning, Leak Detection >> 64 50... Safety informations for handling tetrafluorethane refrigerant R134a

64 50... Safety informations for handling tetrafluorethane refrigerant R134a

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WARNING: Danger of injury!
Refrigerant circuit is under high pressure! Work on the refrigerant circuit may only be carried out by experts!
Draw off refrigerant without fail BEFORE  all repair work on the refrigerant circuit.
The refrigerant circuit is depressurized AFTER drawing off.
  • The pressure gauge on the A/C service unit must be checked for the actual pressure drop prior to repair work.

It is absolutely essential to read and observe the relevant operating instructions for the A/C service unit used!

Protective measures/rules of conduct: 

First aid measures: