SATA minijet 4400 B Instrucciones De Servicio página 112

Operating instructions SATAminijet 4400 B RP/HVLP
EN
Malfunction
Round/flat spray con-
trol cannot be regu-
lated
Spray gun does not
shut-off air
Corrosion on air cap
thread, inside material
passages (cup con-
nection) or on spray
gun body
Black digital display
Material leaks from
behind the paint nee-
dle sealing.
Spray gun leaks from
the fluid tip ("fluid tip
aperture").
112
Cause
Regulation valve dirty
Clogged air piston seat
or worn air piston.
Cleaning solution
(water-based) remains
inside/on the spray
gun for too long.
Unsuitable cleaning
solutions
Spray gun has been
soaked in cleaning
solution for too long
Wrong positioning of
the spray gun inside
the gun washing ma-
chine
Defective or missing
paint needle sealing.
Clogged or damaged
paint needle.
Contamination be-
tween paint needle tip
and fluid tip.
Damaged nozzle set.
Corrective Action
Remove round/flat
spray control, repair or
replace it, chapter 9.7
Clean air piston seat
and/or replace air pis-
ton, air piston packing,
chapter 9.4
Cleaning, observe
chapter 8, get a
replacement spray
gun body.
Cleaning, observe
chapter 8, get a re-
placement digital unit
Replace / insert paint
needle sealing, chap-
ter 9.3.
Replace nozzle set,
chapter 9.1; replace
paint needle sealing,
if necessary, chapter
9.3.
Clean fluid tip and
paint needle, observe
chapter 8.
Replace nozzle set,
chapter 9.