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MALFUNCTION
Spray pattern too small, slanted,
one-sided or split
Fan control stuck
Spray gun does not shut-off air
Corrosion on air cap thread,
inside material passages (cup
connection) or on spray gun body
Material leaks from behind the
paint needle sealing
CAUSE
Clogged air cap drillings
Damaged fluid tip (fluid tip aper-
ture)
Regulation valve dirty
Clogged air piston seat or worn
air piston.
•
Cleaning agent (aqueous)
remains in/on the gun for too
long
•
Unsuitable cleaning agents
Defective or missing paint needle
sealing.
Clogged or damaged paint
needle.
Troubleshooting
CORRECTIVE ACTION
Clean the air cap.
Î
Check fluid tip for any signs
Î
of damage, replace nozzle
set if necessary.
Remove round/flat fan
Î
control, restore to working
order or replace completely.
Clean air piston seat and/or
Î
replace air piston, air piston
packing.
Have the gun body replaced.
Î
Replace/install paint needle
Î
seal.
Replace nozzle set, replace
Î
paint needle sealing, if neces-
sary.
EN
105
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