Delta OILLUBE AIR COMPRESSOR DLKC6580V2 User Manual download pdf (Page 25)

25-ENG D25235

PROBLEM

CAUSE

CORRECTION

Knocking Noise.

Possible defect in safety

valve.

Operate safety valve manually

by pulling on ring. If valve still

leaks, it should be replaced.

Loose pulley. Tighten pulley set screw,

145-165 in.-lbs.

Compressor mounting

screws loose.

Tighten mounting screws,

20-25 ft.-lbs.

Loose flywheel. Tighten flywheel screw,

33-37 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

wear.

Loose belt.

Tight belt.

Loose pulley.

Have checked by a Trained

Service Technician.

Pulley misalignment.

See Motor Pulley/Flywheel

Alignment paragraph in the

Maintenace section.

Squealing

sound.

Loose belt.

Compressor pump has no

oil.

See Oil-Checking paragraph in

the Maintenace section.

Check belt tension, see

Adjusting Belt Tension in the

Maintenance section.

Check belt tension, see

Adjusting Belt Tension in the

Maintenance section.

Check belt tension, see

Adjusting Belt Tension in the

Maintenance section.

Defective check valve. Remove and clean, or replace.

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Delta OILLUBE AIR COMPRESSOR DLKC6580V2 User Manual Page 25

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