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NOTICE: See parts list to identify parts referred to in these Troubleshooting
steps.
A.
B.
Defective
Pattern
C.
Spitting, irregular
or fluttering spray
D. Split spray pattern
E.
E
Unatomized
or
spattered spray
Inadequate air de-
livery
G.
Excessive fog
Likely Cause
Dried material is clog-
ging side-port
"A" and
r_
causing side-port "B"
®
to blow spray towards
the clogged side
B
Dried material at fluid
c
nozzle "C" restricts air
/
flow
(_
Loose air nozzle
Air pressure set too
high
Fluid nozzle cracked or worn
Leak at thread of fluid nozzle
Leak at fluid needle
Needle packing worn out
Insufficient fluid in cup
Vent hole in container cover
clogged
Air pressure too high
Material too heavy
insufficient air pressure
Fluid pressure too high
Dried material on tip of fluid noz-
zle or air jets of air cap
Air needle partially closed
Dried material in air jets or air cap
Obstruction
in air line
Air pressure to high for viscosity
of fluid
Suggested Remedy
Soak side-ports
in thinner to
clean clog. DO NOT poke
any opening with hard
objects.
Remove air nozzle. Wipe off
fluid tip using a cloth soaked
in thinner or by soft brush
Fasten nozzle securely
Reduce air pressure
Tighten or replace
Tighten fluid nozzle
Tighten compression
nut
assembly or replace needle
packing
Replace packing
Fill cup with fluid
Clean Out
Turn pattern control knob
clockwise to decrease fan
width.
Turn fluid needle
adjusting nut counterclock-
wise to increase fluid flow
Thin material or use larger
orifice fluid nozzle set
Increase pressure to within
limit
Reduce
pressu_
Clean
Open control knob
Clean
Remove obstruction
Reduce air pressure and/or
open fluid control knob
H.
Material leaking
Loose cup or foreign substances
Tighten and clean or replace
from fluid inlet of
on/between
cup thread and fluid
it
cup.
inlet
I.
Material leaking
Worn fluid needle
Replace
from nozzle when
Dried material in tip of nozzle
Clean
trigger is released
Loose packing nut
Tighten needle packing nut
by turning counterclockwise
7÷ ENG
D28996
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