System Familiarity

Before attempting any service that requires opening the refrigerant lines or components to the atmosphere, the technician should be thoroughly familiar with the information under Handling Refrigerant-134a, Handling Refrigerant Lines and Fittings, and Maintaining Chemical Stability. Very carefully follow the instructions in the Refrigerant Recovery and Recycling, Adding Oil, Evacuating and Recharging Procedures, for the unit being serviced.