Refrigerant System General Procedures

1. Fully close the valves of the manifold gauge.
2. Connect the charging hoses to the high- and low-pressure side joints of the manifold gauge.
3. Connect the quick couplers to the ends of the charging hoses.
4. Connect the quick couplers to the charging valves.

Fig 1: Connecting Charging Hoses To High- And Low-Pressure Side Joints Of Manifold Gauge

Courtesy of MAZDA MOTORS CORP.