Use and Care Manual

16
Important Operating Instructions
TROUBLESHOOTING GUIDE
Adjust paint viscosityPaint viscosity is excessively high
Thick Pattern
Increase air pressure
Air pressure from the square bore of
the air cap gets excessively low
Adjust paint viscosityPaint viscosity is too thin
Adhesion of solid dirt at the top of the
fluid nozzle
Tighten the coupling nut
Air mixing caused by a loosening of the
coupling nut of the paint cup
Tighten air capLoose air cap
Replace the part with a new one
Clearance between nozzle outside
diameter and the center bore of the air
cap gets worn wider
WARNING: Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect the air supply before servicing
Reduce the air pressure
Air pressure from the square bore of air
cap is critically high
Narrow Pattern
Dirt inside the square bore must
be cleaned
A portion of the square bore of the air
cap is clogged
Crescent Pattern
Dirt inside the square bore must
be cleaned. (Needle or wire must
not be used)
A portion of square bore of air cap is
clogged
One-sided Pattern
Replace O-Ring with a new one
or tighten the packing screw
Air gets mixed with paint in the paint
passage caused by the needle packing
being worn out
Paint Breaking
Corrective ActionPossible Cause(s)Symptom