Spray Pattern Troubleshooting - Graco 333013B Instructions - Parts Manual

Troubleshooting

Spray Pattern Troubleshooting

NOTE: Some spray pattern problems are caused by the improper balance between air and fluid.
Problem
Fluttering or spitting spray.
Irregular pattern.
Pattern pushed to one side; air cap
gets dirty.
Tails in pattern.
Fluid buildup on air cap/tip guard.
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Cause
No fluid.
Air in fluid supply.
Fluid buildup; partially plugged tip.
Worn/damaged tip or air cap holes.
Air cap holes plugged.
Atomization air pressure too low.
Fluid pressure too low.
Atomization air pressure too high.
Fluid pressure too low.
Plugged or damaged air cap hole
Solution
Refill supply.
Check fluid source. Refill.
Clean. See page 27.
Clean or replace.
Clean. See page 27.
Increase atomization air pressure.
Increase.
Decrease.
Increase.
Clean, see page 27.
333013B