Troubleshooting
309292L 21
Troubleshooting
Check all possible remedies in the Troubleshooting
Chart before disassembling the gun.

Spray Pattern Troubleshooting

Some spray pattern problems are caused by the improper balance between air and fluid.
WARN ING
Electric Shock Hazard
Installing and servicing this equipment
requires access to parts which may cause
an electric shock or other serious injury if
the work is not performed properly. Do not
install or repair this equipment unless you
are trained and qualified.
WARN ING
Pressurized Equipment Hazard
To reduce the risk of an injury, follow the
Pressure Relief Procedure on page 24
whenever you are instructed to relieve the
pressure.
Problem Cause Solution
Fluttering or spitting spray. No fluid. Refill supply.
Loose, dirty, damaged nozzle/seat. Clean or replace nozzle, page 26.
Air in fluid supply. Check fluid source. Refill.
Improper spray pattern. Damaged nozzle or air cap. Replace, page 26.
Fluid buildup on air cap or nozzle. Clean. See Operation Manual.
Fan air pressure too high. Decrease.
Fluid too thin. Increase viscosity.
Fluid pressure too low. Increase.
Fan air pressure too low. Increase.
Fluid too thick. Reduce viscosity.
Too much fluid. Decrease flow.
Streaks. Did not apply 50% overlap. Overlap strokes 50%.
Dirty or damaged air cap. Clean or replace, page 26.