To use a vacuum pump on an air conditioner first turn the pump on and open the side gauge valve which will allow the vacuum to start pulling air out of your system.
Ac gauges vacuum pump.
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Screw the ac vacuum pump to the center valve of the refrigerant gauge manifold set.
The air vacuum pump is easy to operate and pulls full vacuum within two minutes of being connected to an air line.
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This a c manifold gauge set can be used to test evacuate and fill automotive air conditioning systems.
Air conditioning cooling for your vehicle and pick it up in store make your purchase find a store near you and get directions.
Allow the pump to run for no less than 30 minutes.
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This a c manifold gauge set is designed to test automotive air conditioning systems using r134a refrigerant only by comparing the high side and low side pressure reading to the vehicle manufacturer s a c system specifications.
Once the valve is open let your vacuum run at full speed for 15 to 30 minutes to pull out as much air as it can.
The air vacuum pump is a venturi type ac pump that eliminates moisture from air conditioning systems making it safe and easy to add refrigerant.
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Keep checking the gauge till the vacuum level reaches 27 hg.
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