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9. Troubleshooting
Problem
Cause
Solution
A. Little or no
material flow
1. Nozzle clogged.
1. Clean.
2. Suction tube clogged.
2. Clean.
3. Material volume setting
turned too low(-).
3. Increase volume setting (+).
4. Suction tube loose.
4. Insert.
5. No pressure build up in
container.
5. Tighten container.
6. Air filter clogged.
6. Change.
B. Material leaking
1. Nozzle loose.
1. Tighten.
2. Nozzle worn.
2. Replace.
3. Nozzle seal worn.
3. Replace.
4. Material build-up on air cap
and nozzle
4. Clean.
C. Atomization is too
coarse
1. Viscosity of material too
high.
1. Thin.
2. Material volume too large.
2. Decrease volume setting (-).
3. Material volume setting too
high (+).
3. Decrease volume setting (-).
4. Nozzle clogged.
4. Clean.
5. Air filter clogged.
5. Change.
6. Too little pressure build-up in
container.
6. Tighten container.
D. Spray jet pulsates
1. Material in container running
out.
1. Refill.
2. Air filter clogged.
2. Change.
E. Pattern runs or
sags
1. Applying too much material.
1. Adjust material flow or
increase movement of spray
gun.
F. Too much
overspray
1. Gun too close to spray object. 1. Increase distance.
2. Too much material applied.
2. Decrease volume setting (-).
G. Pattern is very
light and splotchy.
1. Moving the spray gun too
fast
1. Adjust material flow or decrease
movement of spray gun.
7063781-Spray-gun-Ma-2008-31.indb 8
7063781-Spray-gun-Ma-2008-31.indb 8
11-09-2020 09:50
11-09-2020 09:50