Actions with the air conditioning system charging valve (Hyundai Tucson JM)

1. Before connecting the valve to the container with refrigerant, turn its handle counterclockwise until it stops.

2. Set the disk to the extreme upper position by turning it counterclockwise.

3. Connect the central hose to the valve nipple.

4. Turn the valve handle clockwise to create a hole in the sealed top part.

5. Loosen the nut securing the central hose to the central fitting of the control pressure gauges.

6. Release air for a few seconds, then tighten the nut.