User's Manual

Troubleshooting
313227C 25
Troubleshooting
NOTE: Check all possible remedies in the Troubleshoot-
ing Chart before disassembling the gun.
Spray Pattern Troubleshooting
NOTE: Some spray pattern problems are caused by the improper balance between air and fluid.
To reduce the risk of an injury, follow the Pressure
Relief Procedure on page 15 when you stop
spraying and 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 30.
Air in fluid supply. Check fluid source. Refill.
Improper spray pattern. Damaged nozzle or air cap. Replace, page 30.
Fluid buildup on air cap or nozzle. Clean. See page 20.
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 30.