PROBLEM

CAUSE

CORRECTION

Pressure reading

It is normal for “some” pres-

If there is an excessive

on the regulated

sure drop to occur.

amount of pressure drop

pressure gauge

 

when the accessory is used,

drops when an

 

adjust the regulator following

accessory is

 

the instructions in the

used.

 

“Description of Operation”

 

 

paragraph in the “Operation

 

 

Section.

 

 

NOTE: Adjust the regulated

 

 

pressure under flow condi-

 

 

tions (while accessory is

 

 

being used).

Compressor is

Prolonged excessive use of

Decrease amount of air

not supplying

air.

usage.

enough air to

 

Check the accessory air

operate acces-

Compressor is not large

sories.

enough for air requirement.

requirement. If it is higher

 

 

than the SCFM or pressure

 

 

supplied by your air com-

 

 

pressor, 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.

 

 

 

Regulator knob

Damaged regulator

Replace

has continuous

 

 

air leak.

 

 

 

 

 

Regulator will

Damaged regulator

Replace

not shut off air

 

 

outlet.

 

 

 

 

 

 

 

 

D23757

18- ENG

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Image 18
DeVillbiss Air Power Company D23757 manual Pressure reading