Porter-Cable C7550 instruction manual D27042 24-ENG

Page 24

PROBLEM

CAUSE

CORRECTION

Motor will not run.

Motor overload protection switch has tripped.

Tank pressure exceeds pressure switch "cut-in" pressure.

Check valve stuck open.

Loose electrical connections.

Possible defective motor or starting capacitor.

Paint spray on internal motor parts.

Pressure release valve on pressure switch has not unloaded head pressure.

Fuse blown, circuit breaker tripped.

Let motor cool off and overload switch will automatically reset.

Motor will start automatically when tank pressure drops below "cut-in" pressure of pressure switch.

Remove and clean, or replace.

Check wiring connection inside pressure switch and terminal box area.

Have checked by a Trained Service Technician.

Have checked by a Trained Service Technician. Do not operate the compressor in the paint spray area. See flammable vapor warning. Bleed the line by pushing the lever on the pressure switch to the "Off" position; if the valve does not open, replace switch.

1.Check fuse box for blown fuse and replace as necessary. Reset circuit breaker. Do not use a fuse or circuit breaker with higher rating than that specified for your particular branch circuit.

2.Check for proper fuse. You should use a time delay fuse.

3.Check for low voltage conditions and/or proper extension cord.

4.Disconnect the other electrical appliances from circuit or operate the compressor on its own branch circuit.

Safety Valve on

Pressure switch, check

Have checked by a Trained

pump "pops"

valve, or pump could be

Service Technician.

out (if

in need of servicing.

 

equipped).

 

 

 

 

 

D27042

24-ENG

Image 24
Contents Oil Lube Two Stage Air Compressor Safety Guidelines Definitions Important Safety InstructionsHazard Attachments & Accessories Electricity. Like any other electrically Result in serious burns Fire, Inhalation, Damage to Vehicle Surfaces Specifications AccessoriesGlossary Duty CycleAssembly Contents of CartonTools Required for Assembly UnpackingInstallation Location of the Air CompressorAnchoring of the Air Compressor Wiring Instructions Voltage and Circuit ProtectionAir Distribution System AIR FlowOperation Know Your Air CompressorDescription of Operation How to Use Your Unit Before StartingHow to Start Before Each Start-UpMaintenance To Check Safety ValveCustomer Responsibilities To Drain Tank OilChecking ChangingAir Filter Inspection and Replacement Belt ReplacementAdjusting Belt Tension Motor Pulley/Flywheel Alignment Air Compressor Pump Intake and Exhaust ValvesInspect Air Lines Fittings for Leaks Air compressor Head Bolts TorquingService and Adjustments To Replace or Clean Check ValveAdditional Service Storage Troubleshooting Problem Cause CorrectionPressure reading D27042 24-ENG 25-ENG D27042 Limited Warranty