TROUBLESHOOTING

Performing repairs may expose voltage sources, moving parts or compressed air sources, moving parts or

compressed air sources. Personal injury may occur. Prior to attempting any repairs, unplug the air compressor and bleed off all air tank air pressure.

PROBLEM

CAUSE

CORRECTION

Excessive tank

Pressure switch does

Move On/Auto/Off lever

pressure - safety

not shut off motor when

to the "OFF" position, if

valve pops off.

compressor reaches "cut-

the outfit does not shut off

 

out" pressure.

contact a Trained Service

 

 

Technician.

 

Pressure switch "cut-out"

Contact a Trained Service

 

too high.

Technician.

 

 

 

Air leaks at

Tube fittings are not tight

Tighten fittings where air

fittings.

enough.

can be heard escaping.

 

 

Check fittings with soapy

 

 

water solution. Do Not

 

 

Overtighten.

Air leaks at or

Check valve seat damaged.

A defective check valve

inside check

 

results in a constant air leak

valve

 

at the pressure release valve

 

 

when there is pressure in the

 

 

tank and the compressor

 

 

is shut off. Replace check

 

 

valve. Refer to the "To

 

 

Replace or Clean Check

 

 

Valve" in the "Service and

 

 

Adjustment" section.

 

 

 

Air leaks at

Defective pressure switch

Contact a Trained Service

pressure switch

release valve.

Technician.

release valve.

 

 

Air leaks in air

Defective air tank.

Air tank must be replaced.

tank or at air

 

Do not repair the leak.

tank welds.

 

Do not

 

 

drill into,

 

 

weld or otherwise modify

 

 

air tank or it will weaken.

 

 

The tank can rupture or

 

 

explode.

 

 

 

Air leaks

Leaking seal.

Contact a Trained Service

between head

 

Technician.

and valve plate.

 

 

 

 

 

19- ENG

A08184

Page 19
Image 19
DeWalt A08184 instruction manual Troubleshooting, Problem Cause Correction