Placing System In Operation

After component replacement and/or system servicing has been completed and all connections have been made, proceed as follows:

1. Evacuate the system using a vacuum pump.
2. Charge the system with new R-12 according to each individual vehicle manufacturer's procedure as outlined in this Manual. Also see Refrigerant Capacity in this Section. 
3. Leak test the system, with particular attention to all new connections and components.
4. Make a performance test of the system.