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CONDITION
Compressor Will Not Start
Low Pressure
Safety Valve Releasing
On Air Receiver
Intercooler Safety Valve
Releasing On Air
Compressor Pump
Excessive Oil Discharge
and Carbon Formation
For us, it's not just business. It's personal.
TROUBLE SHOOTING GUIDE
CAUSE
1. Fuse blown or circuit
breaker tripped.
2. Loose electrical connections.
3. Overheated motor.
1. Air leak in safety valve.
2. Loose tube of fi ttings.
3. Restricted air fi lter.
4. V-Belt loose.
5. Defective check valve
1. Defective pressure switch
or improper adjustment.
2. Defective safety valve.
1. Dirty or defective high
pressure intake or exhaust
valves.
2. Intercooler clogged with
carbon.
3. Defective safety valve.
1. Improper oil viscosity.
2. Overfi lling the crankcase
with oil.
3. Restricted air intake fi lter.
4. Carbon exhaust valves.
5. Worn Valves.
6. Worn piston rings.
7. High ambient temperature
and/or humidity.
8. High percentage of running
time. (80% to 100%)
CORRECTIVE ACTION
1. Check for cause of blown fuse or breaker
and replace or reset.
2. Check wiring connections.
3. Press reset button or wait for automatic
reset. Check belt tension.
1. Check valve manually by pulling
upward on ring.
If condition persists replace valve.
2. Tighten fi ttings.
3. Clean or replace.
4. Adjust belt tension.
5. Replace check valve.
1. Check for proper adjustment and if
problem persists replace pressure switch.
2. Replace safety valve.
1. Clean, repair or replace valves as
required.
2. Clean or replace.
3. Replace safety valve.
1. Replace oil with 30wt. non-detergent
compressor oil.
2. Drain oil and fi ll to proper level.
3. Clean or replace fi lter.
4. Clean or replace as required.
5. Replace valve assemblies.
6. Replace piston rings.
7. Install a moisture separator and/or dryer
followed by and oil fi lter.
8. Check for air leaks. If no leaks are
found you may require an additional
compressor unit as your air demand is
too much for existing unit.
5
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