DeVilbiss AG361 Service Manual page 18

Heavy centre pattern.
Intermittent or 'fluttering'
spray fan.
Split spray pattern
SB-E-2-642 R3.1
Pattern adjustment valve set too low.
Too much material.
Material too thick.
Atomising air pressure too low.
Loose fluid tip.
Fluid tip not seated correctly in gun
head.
Partially obstructed fluid passage or
hose.
Not enough material flow.
Too high horn pressure.
Too much air for fluid quanitity used.
18/24
Turn out counter clockwise to
achieve correct pattern.
Reduce fluid flow by turning fluid
needle adjusting screw clockwise.
Reduce fluid pressure.
Thin to correct consistency.
Increase air pressure.
Tighten.
Remove fluid tip, clean components,
check cone seating on tip and gun
for damage or contamination.
Clean or replace.
Increase fluid flow by changing fluid
tip size, opening needle control knob
or increase fluid pressure on
pressure feed container.
Reduce air pressure by rotating
pattern control valve clockwise.
Reduce input air pressure.
EN