17
Clean tip
Dirty tip
Fluid tip
leakage
Replace fluid needle spring
Broken fluid needle spring
Replace tip and/or needle
Worn or damaged tip
Replace valve stem
Bent valve stem
Replace air valve
Worn/damaged air
valve/seat
Replace air valve spring
Damaged air valve spring
Overspray
(paint drifting
to unintended
objects)
Will not spray
Corrective Action
Possible Cause(s)
Symptom
WARNING: Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect the air supply before servicing
Lubricate air valve/seat
Sticking air valve
Clean air valve/seat
Dirty air valve/seat
Air leaking
from nozzle
Reduce air pressure
Too much air pressure
Adjust distance
Improper distance from work
piece
Move moderately and parallel
Improper application speed
Thin fluid or increase air pressure (Do not
exceed maximum)
Fluid too thick
Open fluid knob
Fluid knob not open enough
Check air hoses
No pressure at spray gun
Adjust or replace fluid tip
Loose/damaged fluid tip/seat
Tighten fluid inlet connection
Loose fluid inlet connection
Clean air vent hole
Clogged air vent
Hold upright
Cup tipped
Refill
Low paint level
Sputtering
spray
Important Operating Instructions
TROUBLESHOOTING GUIDE