Troubleshooting; Spray Pattern Troubleshooting - Graco PRO XS3 309292L Instruction Manual

Troubleshooting

WARNING
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.

Spray Pattern Troubleshooting

Some spray pattern problems are caused by the improper balance between air and fluid.
Problem
Fluttering or spitting spray.
Improper spray pattern.
Streaks.
309292L
Pressurized Equipment Hazard
Check all possible remedies in the Troubleshooting
Chart before disassembling the gun.
Cause
No fluid.
Loose, dirty, damaged nozzle/seat.
Air in fluid supply.
Damaged nozzle or air cap.
Fluid buildup on air cap or nozzle.
Fan air pressure too high.
Fluid too thin.
Fluid pressure too low.
Fan air pressure too low.
Fluid too thick.
Too much fluid.
Did not apply 50% overlap.
Dirty or damaged air cap.
WARNING
To reduce the risk of an injury, follow the
Pressure Relief Procedure on page 24
whenever you are instructed to relieve the
pressure.
Solution
Refill supply.
Clean or replace nozzle, page 26.
Check fluid source. Refill.
Replace, page 26.
Clean. See Operation Manual.
Decrease.
Increase viscosity.
Increase.
Increase.
Reduce viscosity.
Decrease flow.
Overlap strokes 50%.
Clean or replace, page 26.
Troubleshooting
21