Delta 66-750 instruction manual ENG D26269

Page 25

PROBLEM

 

CAUSE

CORRECTION

Knocking Noise.

 

Possible defect in safety

Operate safety valve manually

 

 

valve.

by pulling on ring. If valve still

 

 

 

 

leaks, it should be replaced.

 

 

Defective check valve.

Remove and clean, or replace.

 

 

Loose pulley.

Tighten pulley set screw,

 

 

 

 

145-165 in.-lbs.

 

 

Loose flywheel.

Tighten flywheel screw,

 

 

 

 

33-37 ft.-lbs.

 

 

Compressor mounting

Tighten mounting screws,

 

 

screws loose.

20-25 ft.-lbs.

 

 

Loose belt.

Check belt tension, see

 

 

Adjusting Belt Tension in the

 

 

 

 

 

 

 

 

Maintenance section.

 

 

Carbon build-up in pump.

Have checked by a Trained

 

 

 

 

Service Technician.

 

 

Belt to tight.

Check belt tension, see

 

 

 

 

Adjusting Belt Tension in the

 

 

 

 

Maintenance section.

 

 

 

 

 

Excessive belt

 

Loose belt.

Check belt tension, see

wear

 

 

 

Adjusting Belt Tension in the

 

 

 

 

Maintenance section.

 

 

Tight belt.

Check belt tension, see

 

 

 

 

Adjusting Belt Tension in the

 

 

 

 

Maintenance section.

 

 

Loose pulley.

Have checked by a Trained

 

 

 

 

Service Technician.

 

 

Pulley misalignment.

See Motor Pulley/Flywheel

 

 

 

 

Alignment paragraph in the

 

 

 

 

Maintenace section.

 

 

 

 

 

Squealing

 

 

 

See Oil-Checking paragraph in

 

Compressor pump has no

sound.

 

oil.

 

the Maintenace section.

 

 

 

 

Check belt tension, see

 

 

Loose belt.

 

 

 

 

 

Adjusting Belt Tension in the

 

 

 

 

Maintenance section.

 

 

 

 

 

 

 

 

 

25-ENG

D26269

Image 25
Contents Structioin N M Anual Safety Guidelines Definitions Hazard Attachments & Accessories Hazard What can Happen HOW to Prevent IT Fire, Inhalation, Damage to Vehicle Surfaces Accessories SpecificationsGlossary Duty CycleTools Required for Assembly AssemblyUnpacking To Add Oil To PumpLocation of the Air Compressor InstallationAnchoring of the Air Compressor Voltage and Circuit Protection Wiring InstructionsAir Distribution System Typical Compressed AIR Distribution System Know Your Air Compressor Description of Operation OperationPressure Release Valve The pressure How to StopBefore Each Start-Up To Check Safety Valve MaintenanceCustomer Responsibilities Oil To Drain TankMotor Pulley/Flywheel Alignment Air Filter Inspection and ReplacementAir Compressor Pump Intake and Exhaust Valves Service and AdjustmentsInspect Air Lines and Fittings for Leaks To Replace or Clean Check Valve To Replace Belt StorageProblem Cause Correction TroubleshootingPressure reading D26269 24-ENG 25-ENG D26269 AIR Compressor Diagram KEY Description Parts ListPump Diagram KEY Limited Warranty