Air Conditioner Cool on and off on 1994 Jeep Grand Cherokee

I have bought and replaced the Compressor and the Accumulator. My Jeep A/C cooling is very low or sometimes no cooling. So I don't what could be the problem. If the AC is off it only blows hot air.

1 answer
What are the low and high side pressures? How much refrigerant and what type of refrigerant did you add?