12- ENG
D29783
1. Dried material is
clogging side-
port “A” and
causing side-port
“B” to blow spray
towards the
clogged side.
1. Soak side-ports in thinner to
clean clog.
DO NOT
poke any
opening with hard objects.
3. Air pressure too
high
Spitting, irregular or
fluttering spray
Split spray pattern
1. Air pressure too high.
PROBLEM
CORRECTION
TROUBLESHOOTING
NOTICE:
See parts list to identify parts referred to in these Troubleshooting steps.
CAUSE
Heavy right or left side
pattern
Heavy top or bottom
pattern
1. Dried material at
fluid nozzle “C”
restricts air flow.
2. Loose air
nozzle.
3. Turn pattern control knob
clockwise to reduce air
pressure.
1. Remove air nozzle. Wipe fluid
tip using a cloth soaked in a
suitable solvent or a soft brush.
2. Fasten nozzle securely.
Heavy center pattern
1. Too much material.
2. Material too thick.
1. Turn fluid control knob
clockwise to decrease material
flow or turn pattern control
knob counter clockwise to
increase air pressure.
2. Thin material.
1. Turn pattern control knob
clockwise to reduce air
pressure.
1. Leak at thread of fluid
nozzle.
1. Tighten fluid nozzle.
2. Leak at fluid needle.
2. Tighten the fluid needle
adjustment nut.
3. Insufficient fluid in cup.
3. Fill cup with fluid.
4. Vent hole in material cup
cover clogged (only in
siphon feed mode).
4. Clean vent hole.
2. Not enough material
2. Turn fluid control knob counter
clockwise to increase material
flow.
5. Material cup tilted at an
excessive angle.
5. Do not tilt material cup
excessively or rotate fluid tube.
6. Fluid too heavy for siphon
feed.
6. Thin material or convert to
remote pressure feed mode.
7. Loose fluid tip or damaged
tip seat
7. Tighten or replace.
Summary of Contents for 919.155190
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