DeVilbiss PRI Pro Lite, Service Manual

Page: 19 / 24

EN
Reduce fluid flow by turning fluid
needle adjusting screw
clockwise. Reduce fluid pressure.
Pattern adjustment valve set too
low. Turn out counter clockwise to
achieve correct pattern.
Reduce input air pressure.
Atomising air pressure too low. Increase air pressure.
Heavy centre pattern.
Too much material.
Reduce air pressure by rotating
pattern control valve clockwise.
Too much air for fluid quanitity
used.
Loose fluid tip.
Fluid tip not seated correctly in
gun head.
Not enough material flow.
Thin to correct consistency.
Partially obstructed fluid passage
or hose.
Clean or replace.
Split spray pattern
Material too thick.
Remove fluid tip, clean
components, check cone seating
on tip and gun for damage or
contamination.
Too high horn pressure.
Increase fluid flow by changing fluid
tip size, opening needle control knob
or increase fluid pressure on
pressure feed container.
Intermittent or 'fluttering'
spray fan.
Tighten.
SB-E-2-859 R1.1
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