E N G L I S H •
User's manual
7
TROUBLESHOOTING
PROBLEM
CAUSE
One side of air cap dirty or clogged.
Clean air cap orifices. Blow air through orifices until
clean. If air cap holes are damaged, replace air cap.
a. Tighten.
b. Rotate air cap 180˚.
If pattern follows air cap, problem is in air cap. Clean
and inspect. If pattern is not corrected, replace air cap.
If pattern does not follow the air cap, the problem is
with the fluid nozzle. Clean and inspect the nozzle. If
the pattern is not corrected, replace nozzle.
a. Reduce air pressure.
b. Increase material control by turning fluid
adjustment knob to left, while reducing spray width
by turning pattern adjustment knob to right.
Or increase material viscosity.
a. Loose air cap.
b. Dried or damaged air cap or fluid nozzle.
a. Atomization air pressure set too high.
b. Spraying a thin material in too wide of a pattern.
a. Fill cup.
b. Loosen packing seat and put a few drops of
machine oil on packing. Retighten seat.
c. Tighten.
d. Clean nozzle and front of gun.
e. Replace seal.
Air getting into paint stream.
a. Cup almost empty.
b. Dry needle packing.
c. Fluid nozzle too loose.
d. Dried material between nozzle and gun body.
e. Damaged needle seal.
a. Gun not properly adjusted.
b. Sluggish needle.
Pattern adjustment knob not seating properly.
Gun held too close to surface.
a. No air pressure at gun.
b. Cup empty.
c. Fluid adjustment knob turned too far right.
d. Fluid too thick for gravity feed.
a. Packing nut loose.
b. Packing worn or dry.
a. Dry packing.
b. Sluggish needle.
c. Packing nut too tight.
d. Worn fluid nozzle or needle.
a. Adjust Spray Pattern.
b. Clean and lubricate.
Clean or replace knob.
Hold gun about 6 - 8 inches (150 - 200 mm) from
surface.
a. Check air supply and air lines.
b. Fill cup.
c. Adjust knob to the left.
d. Thin material.
a. Tighten, but not so tight as to grip needle.
b. Lubricate or replace.
a. Lubricate.
b. Clean and lubricate.
c. Loosen.
d. Replace.
SOLUTION
Spitting
Other spray pattern problems.
Unable to get round pattern.
Thick, dimpled finish
(resembling orange peel).
Will not spray.
Fluid leaking from packing
nut (4).
Fluid nozzle dripping.
Fluid nozzle dripping.
a. Gun held too far from surface.
b. Atomization air pressure set to high.
a. Hold gun about 6 - 8 inches (150 - 200 mm) from
surface.
b. Reduce air pressure.
