Troubleshooting Your Spray Pattern
Round spray uneven
Middle air cap air passage dirty or deformed. Clean thoroughly or replace nozzle set if required.
Sickle spray pattern
Air cap horn dirty or damaged. Clean horn air passages or replace nozzle set.
Deformed spray pattern on one side
Clean nozzle with special cleaning kit or replace nozzle set.
Split fan
Too much thinner in material. Spray pressure too high. Fan width too wide.
Material deposit too heavy in fan pattern
Atomization pressure too low – Increase air pressure. Viscosity too high- add thinner. Too much material- use smaller nozzle set.
Irregular or fluttering fan pattern
Fluid tip or needle loose- tighten parts. Paint cup plugged- clean air vent hole. Hole in material pick up tube- replace part.