Northern Industrial Tools 123006 - Manual (Page 8)

7
TROUBLESHOOTING
TROUBLE
Compressor Won't Start
Low Pressure
Safety Valve Releasing
Oil Discharge in Air
POSSIBLE CAUSE
1. Blown Fuse or Circuit Breaker Tripped
2. Loose Electrical Connections
1. Restricted Air Filter
2. Defective Check Valve
3. Air Leak in Safety Valve
1. Defective Pressure Switch
1. Too much Oil in Crankcase
2. Compressor Overheated
3. Restricted Oil Breather Cap
CORRECTIVE ACTION
1. Replace or Reset Fuse/Circuit Breaker
2. Check Wiring Connections
1. Replace Air Filter
2. Replace Check Valve
3. Check valve by pulling on ring. If
condition persists, replace valve.
1. Replace Pressure Switch
1. Drain Crankcase and refill
to proper level on Oil Sight Glass.
2. Reduce air pressure regulation
3. Clean or Replace Oil Breather Cap