Porter-Cable C7550 instruction manual Pressure reading

Page 23

 

PROBLEM

CAUSE

CORRECTION

 

Pressure reading

It is normal for "some"

If there is an excessive amount

 

on the regulated

pressure drop to occur.

of pressure drop when the

 

pressure gauge

 

accessory is used, adjust the

 

 

regulator as instructed in the

 

(if equipped)

 

 

 

Operation section.

 

drops when an

 

 

 

NOTE: Adjust the regulated

 

accessory is

 

 

 

pressure under flow conditions

 

used.

 

 

 

(while accessory is being

 

 

 

 

 

 

used).

 

 

 

 

 

Air leak from

Possible defect in safety

Operate safety valve manually

 

safety valve.

valve.

by pulling on ring. If valve still

 

 

 

leaks, it should be replaced.

 

 

 

 

 

Compressor is

Prolonged excessive use of

Decrease amount of air usage.

 

not supplying

air.

Check the accessory air

 

enough air to

Compressor is not large

 

operate

enough for air requirement.

requirement. If it is higher than

 

accessories.

 

the SCFM or pressure supplied

 

 

 

by your air compressor, you

 

 

 

need a larger compressor.

 

 

Hole in hose.

Check and replace if required.

 

 

Check valve restricted.

Remove and clean, or replace.

 

 

Air leaks.

Tighten fittings.

 

 

Restricted air intake filter.

Clean or replace air intake

 

 

 

filter. Do not operate the air

 

 

 

compressor with the filter

 

 

 

removed. Refer to the "Air

 

 

 

Filter" paragraph in the

 

 

 

"Maintenance " section.

 

 

Loose belt.

Check belt tension, see

 

 

 

Adjusting Belt Tension in the

 

 

 

Maintenance section.

 

 

 

 

 

Restricted air

Dirty air filter.

Clean or replace. See Air Filter

 

intake.

 

paragraph in the Maintenance

 

 

 

section.

 

 

 

 

23-ENG

D27042

Image 23 Contents
Oil Lube Two Stage Air Compressor Important Safety Instructions Safety Guidelines DefinitionsHazard Attachments & Accessories Electricity. Like any other electrically Result in serious burns Fire, Inhalation, Damage to Vehicle Surfaces Duty Cycle SpecificationsAccessories GlossaryUnpacking AssemblyContents of Carton Tools Required for AssemblyAnchoring of the Air Compressor InstallationLocation of the Air Compressor Voltage and Circuit Protection Wiring InstructionsAIR Flow Air Distribution SystemDescription of Operation OperationKnow Your Air Compressor Before Starting How to Use Your UnitBefore Each Start-Up How to StartCustomer Responsibilities MaintenanceTo Check Safety Valve Changing To Drain TankOil CheckingAdjusting Belt Tension Air Filter Inspection and ReplacementBelt Replacement Air compressor Head Bolts Torquing Motor Pulley/Flywheel AlignmentAir Compressor Pump Intake and Exhaust Valves Inspect Air Lines Fittings for LeaksAdditional Service Service and AdjustmentsTo Replace or Clean Check Valve Storage Problem Cause Correction TroubleshootingPressure reading D27042 24-ENG 25-ENG D27042 Limited Warranty
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