Volkswagen Polo Service & Repair Manual: Connecting Service Station

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Connecting Service Station

Turn off the ignition.

–	Connect the A/C service station to the power supply.

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

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

–	Switch off A/C service station.

–	Remove caps from service connections (with valve).

–	Connect the A/C service station to the refrigerant circuit using service connections with quick-release coupling adapters.

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

–	Perform planned tests and measurements.

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Pressures, Checking

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