PROBLEM

CAUSE

CORRECTION

Pressure reading

It is normal for "some"

If there is an excessive

on the regulated

pressure 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

 

 

conditions (while accessory is

 

 

being used).

Compressor is

Prolonged excessive use of

Decrease amount of air

not supplying

air.

usage.

enough air

 

Check the accessory

to operate

Compressor is not large

accessories.

enough for air requirement.

air requirement. If it is

 

 

higher than 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.

 

 

 

Regulator knob

Damaged regulator

Replace

has continuous

 

 

air leak.

 

 

 

 

 

Regulator will

Damaged regulator

Replace

not shut off air

 

 

outlet.

 

 

 

 

 

 

 

 

A11894

18 - ENG

Page 18
Image 18
Porter-Cable CFFN251T instruction manual Being used