1. Connect the drain, recycling and refill system (A) R-134a refrigerant to the high (IN) pressure as shown in the figure and in accordance with its manufacturer's instructions.
2. Add the same amount of new refrigerant oil to the system as was previously drained. Use only recommended refrigerant oil. Charge the system with 510±25 g of R-134a refrigerant. Overfilling the system with refrigerant can damage the compressor.