TK 56433-5-MM-EN
83
port to get the net oil pressure.
Pressure at Oil Pressure Access Port
–
Suction Pressure Below Throttling Valve
=
Net Oil Pressure
5.
The net oil pressure should be at least 20 psig (138
kPa). If the net oil pressure is low, first check the
compressor oil level, then check the compressor oil
pump and relief valve.