Troubleshooting

 

 

 

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

 

Pattern too fine or too much overspray

Material too thin

Thicken material. Material must be

 

 

mixed thoroughly to a consistency that

 

 

immediately folds back in as you draw

 

 

your finger through the surface of the

 

 

material.

 

 

 

 

Air pressure at gun too high

Decrease air to gun at gun fitting and/or

 

 

regulator.

 

 

 

 

Fluid delivery too low

Increase nozzle size.

 

 

 

 

 

Increase air pressure to pump, or

 

 

decrease air to gun at gun fitting and/or

 

 

regulator.

 

 

 

 

 

Turn fluid knob out on gun. See Spray

 

 

Techniques in Operation Manual

 

 

309915.

 

 

 

Pattern too coarse

Material too thick

Thin material. Material must be mixed

 

 

thoroughly to a consistency that imme-

 

 

diately folds back in as you draw your

 

 

finger through the surface of the mate-

 

 

rial.

 

 

 

 

Air pressure at gun too low

Increase air to gun at gun fitting and/or

 

 

regulator.

 

 

 

 

Fluid delivery too high

Decrease nozzle size.

 

 

 

 

 

Decrease air pressure to pump, or

 

 

increase air to gun at gun fitting and/or

 

 

regulator.

 

 

 

 

 

Turn fluid knob in on gun. See Spray

 

 

Techniques in Operation Manual

 

 

309915.

 

 

 

313385B

9

Page 9
Image 9
Graco Inc 313385B important safety instructions Air pressure at gun too high