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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Refrigerant R134A Servicing (1 Of 2) >> 87 Air Conditioning >> A/C Service Station, Connecting >> Service Station, Connecting With Connections On Low- And High Pressure Side Of Refrigerant Circuit

Service Station, Connecting With Connections On Low- And High Pressure Side Of Refrigerant Circuit

Servicing Station, Connecting for Measuring and Testing

-- Turn off the ignition.

-- Connect the service station to the power supply.

-- Connect the quick-release coupling adapter to the charging hoses of service station (handwheels not screwed in/hand shut-off valve not open).

-- Switch on the service station and evacuate the charging hoses (only necessary if there is air in charging hoses).

-- Switch off the service station.

-- Remove the caps from the service connections (with valve).

-- Connect the service station via the service connections with the quick-release coupling adapters to the vehicle refrigerant circuit.

-- Screw in the handwheel of the quick-release coupling adapters only until the valves are definitely open at the refrigerant circuit connection (observe pressure gauge, do not strain valves).

-- Perform the planned tests and measurements.