DeVilbiss HD Series Technical Bulletin page 15

packing nut
from bottom of cup
© 2013 Finishing Brands UK Ltd.
Blocked vent in Cup lid
ir pressure too high.
Gun too far from work surface.
fluid needle worn or
damaged.
nozzle.
dirty or stuck in needle
packing
needle or fluid
Cup fluid inlet seat dirty.
flow.
Material too thin.
too slow.
15
fluid adjusting knob out or
change to larger fluid
Clean lid and unblock vent
air pressure.
Adjust to distance.
Adjust to distance.
use larger nozzle size
nozzle and fluid
Replace nozzle and fluid
Clean.
fluid adjusting knob clockwise
or switch to smaller
fluid needle size.
Hold gun at right angle to work and
adapt to gun technique.
nozzle