good...! glad you figured out the problem. The reason that your air is not getting real cold is because your system has air in it. That can be a problem because when you run the compressor for long periods of time it can burn it up. Make sure you vacuum the system to about 20-30 psi. The reason for this is to make sure you get the water and air to evap and boil and come out at room tempeture(under vacuum the boiling point of water is lowered). This is also a good way to find leaks. After a good vacuum is reached, use 2-3 cans of the 134-a oil and refrigerant and then use just the 134-a normal cans to get the right amount of pressure, wich is I think between 4-6 pounds.
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