
8
Preventive Maintenance and Troubleshooting Guide
GSE®recommends that you perform the following service to minimize unexpected downtime for your
compressor:
Replace the connecting rods or piston cups and sleeves
Replace the flapper valves
Replace the head O-ring Head gasket.
Replace the valve plate O-rings
If you are having a problem with your compressor, use this table to help determine the cause(s):
Problem
Low
Flow Low
Pressure Unit Will
Not Start Motor ①
Overheats Loud
Unit
Possible Cause Corrective Action
×High voltage at compressor Reduce voltage
× × × × Low voltage at compressor Increase voltage
× × × Damaged valves Replace flapper valves
× × × Debris in valves Remove debris and check for valve
damage
× × × Damaged gaskets Replace gaskets
× × × Worn Cup Replace connecting rod
× × × Loose head screws Tighten head screws
×Broken fan Replace fan
× × × Bent motor shaft Replace entire unit
× × Damaged capacitor Replace capacitor
×Loose fittings Tighten fittings
× × Insufficient ventilation in
enclosure
Increase air circulation to enclosure
× × Worn bearings Replace Eccentric Bearing assembly
①Thermal protector in motor will interrupt current when motor overheats.