Sullivan-Palatek 15D, User Manual

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57 TROUBLESHOOTING
7.6 LINE PRESSURE RISES AbOVE UNLOAD PRESSURE
POSSIbLE CAUSE REMEDY
Leak in control system tubing causing loss of
pressure signals
Replace tubing.
Defective solenoid valve Repair or replace solenoid valve.
Faulty inlet valve Repair or replace inlet valve.
7.7 EXCESSIVE LUbRICANT CONSUMPTION
POSSIbLE CAUSE REMEDY
Clogged separator oil return line Check for line blockage. Clean orifice and strainer located in oil
return sign glass assembly.
Separator element damaged or needs service Change separator element.
Leak in lubrication system Check all pipes, connections and components.
Operating pressure below 60 psig. Repair minimum pressure valve.
7.8 PRESSURE RELIEF VALVE OPENS REPEATEDLY
POSSIbLE CAUSE REMEDY
Incorrect control settings Readjust .
Faulty pressure relief valve Replace pressure relief valve.