16
C. Fluid line kinked
D. Paint cup not properly
sealed
E. Not enough paint in
cup
from gun and increase
air pressure in cup to
flush hose.
E. Remove kink and
straighten as
necessary
F. Tighten wing nuts on
paint cup or replace
gasket if necessary
G. Check level and add
Paint Leaking From Nozzle
A. Damaged needle
and/or nozzle
B. Gland nut too tight
A. Check and replace if
necessary
B. Loosen gland nut
Excessive Overspray
A. Too much air volume
for the coating being
sprayed
B. Spraying too far from
the surface
A. Use variable speed
controller to reduce air
volume output of
turbine
B. Spray 6-8" from the
surface to be coated
TROUBLESHOOTING FINISH PROBLEMS
Problem
Probable Cause
Solution(s)
Runs or Sags
A. Coating has been
over-diluted
B. Application speed too
slow
C. Improper overlapping
D. Needle and Nozzle too
large
E. Film thickness is too
thick for one coat
F. Gun too close to
surface
G. Insufficient atomizing
air
A. Add undiluted material
and mix thoroughly;
flush gun with new
mixture
B. Increase application
speed
C. Overlap passes by up
to 50%
D. Check material
viscosity
E. Consider spraying too
thinner coats
F. Spray 6-8" from the
surface to be coated
G. Use larger air cap
