Use and Care Guide

20
TROUBLESHOOTING
SPRAY PATTERN/PROBLEM SOLUTIONPOSSIBLE REASON
Intermittent/sputtering spray
Improper spray pattern
Unable to get round spray
Will not spray
1) Gun improperly
adjusted.
2) Dirty air cap.
3) Nozzle tip obstructed.
4) Sluggish needle.
1) No air pressure at
gun.
2) Fluid control screw
not open enough.
3) Material too heavy.
1) Check air supply and air
lines.
2) Open fluid control screw.
Increase fluid pressure at
tank.
3) Thin material.
Fan adjustment screw
not seating properly.
Clean or replace.
1) Re-adjust gun. Follow
instructions carefully.
2) Clean air cap.
3) Clean.
4) Lubricate.
1) Material level too
low.
2) Container tipped too
far.
3) Loose fluid inlet
connection.
4) Needle seat loose
/ damaged.
5) Packing around
needle valve is dried
out or loose.
6
) Fluid nozzle loosely
installed, or dirt
between nozzle and
body.
7) Clogged air vent.
1) Refill.
2) Hold more upright.
3) Tighten.
4) Adjust or replace.
5) Lubricate/tighten.
6) Remove, clean, tighten.
7) Clean vent hole.
Improper spray pattern
1) Atomization air
pressure is set too
high.
2) Material too thin;
fluid adjustment
turned in too far.
3) Fan pattern open
too far.
1) Atomization air
pressure is set too
low.
2) Material too thick.
3) Fan pattern closed
too far.
1) Reduce atomization air
pressure.
2) Thin to proper viscosity.
3) Partially open pattern
adjustment knob.
1) Reduce atomization air
pressure.
2) Open fluid adjustment
knob.
3) Partially close pattern
adjustment knob.
Improper spray pattern