How To Fill Oil In Compressor. For example your AC compressor may require R134a refrigerant oil rather than PAG 46 oil. While pouring in the refrigerant oil rotate the hub and clutch slowly to let the oil enter the compressor.
For example your AC compressor may require R134a refrigerant oil rather than PAG 46 oil. When the crankcase is empty replace the oil drain plug. Near the top of the compressor head will be a vented fill port which you unscrew to allow you to pour compressor oil in.
Pour the oil very slowly into the intake port or low side of the compressor.
Oil Fill Port. To change the oil in your reciprocating air compressor follow these steps. Insufficient lubrication due to universal oil is the second most common reason for AC compressor. When the crankcase is empty replace the oil drain plug.
