How To Add AC Refrigerant
First of all to ensure that the refrigeration system does not leak the place, and then connect the manifold with a vacuum pump vacuum about 15 minutes off the high and low pressure gauge watch the watch about 15 minutes to see if the watch is still moving. If not move, that there is no place to leak, you can add 134 refrigerant. Add the following: Place the refrigerant jar into the opener and then loosen the low pressure pipe to release the air in the pipe. And then tighten the tube, and then open the low pressure side of the valve, slowly filling. You can start the vehicle, but this time absolutely can not open the high-pressure side of the valve, so very dangerous. After filling a canister to close the low pressure side of the valve, re-put a new tank after the repeated operation can be. Car is generally about 500 grams.