6 - ENG
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Gun does not spray
Air hose connection at compres-
sor loose
Tighten and seal hose fittings with Teflon® tape if
leaks are found.
Paint cup loose
Tighten paint cup to gun.
Fluid tube, fluid tip or air caps
loose, clogged or damaged
Clean parts with solvent per instructions in the
“user maintenance” section.
Air pressure too low
Adjust regulated air pressure to 25-50 PSI.
Material is too thick or needs
straining
Thin material according to manufacturer’s instruc-
tions and strain material using a paint strainer or
cheesecloth.
Fluid control knob closed
Adjust fluid control knob.
Material sags or runs
Material improperly thinned
Thin material according to manufacturer’s instruc-
tions.
Movement of gun is too slow
Move at a moderate pace, parallel to surface.
Gun held too close to work sur-
face
Keep the gun 6 to 9 inches from the work surface.
Spray pattern is dis-
torted
Fluid tip partly blocked
Clean fluid tip and air cap
Clogged air cap
Clean air cap
Material is too thick or needs
straining
Thin material according to manufacturer’s instruc-
tions and strain material using a paint strainer or
cheesecloth.
Gun not held at right angle to
paint surface
Hold gun parallel to the paint surface.
Spray pattern adjustment knob
partially closed
Turn spray pattern adjustment knob counterclock-
wise.
Fluid control too heavy
Adjust fluid control knob.
Spray pattern flutters
Paint cup loose
Tighten paint cup.
Packing dry, worn or loose
Lubricate and or tighten
Material is too thick or needs
straining
Thin material according to manufacturer’s instruc-
tions and strain material using a paint strainer or
cheesecloth.
Paint cup is empty
Fill paint cup.
Spray pattern is split
Fluid control too lean
Adjust fluid control knob.
Air pressure too high
Adjust regulated air pressure to 25-50 PSI.
Spray pattern adjustment knob
open too far
Turn spray pattern adjustment knob clockwise.
