GB
28
W 687 E
Correction of Malfunctions
Malfunction
Cause
Remedy
No coating
material emerges
from the nozzle
Nozzle clogged
•
Material volume setting turned too
•
far to the left (-)
No pressure build-up in container
•
Container empty
•
Feed tube loose
•
Feed tube clogged
•
Ventilating bore (Fig.12, A) clogged
•
Clean
➞
Turn to the right (+)
➞
Tighten container
➞
Refill
➞
Insert
➞
Clean
➞
Clean
➞
Coating material
drips from the
nozzle
Coating material assembly at air
•
cap, nozzle or needle
Nozzle loose
•
Nozzle seal worn
•
Nozzle worn
•
Clean
➞
Union nut tighten
➞
Change
➞
Change
➞
Atomisation too
coarse
Material volume too large
•
Material volume adjusting screw
turned too far to the right (+)
Nozzle contaminated
•
Viscosity of coating material too
•
high
Too little pressure build-up in
•
container
Air filter heavily soiled
•
Amount of air too low
•
Turn material volume
➞
adjusting screw to the
left (-)
Clean
➞
Dilute further
➞
Tighten container
➞
Change
➞
Turn the air volume
➞
control to the left (+)
Spray jet pulsates
Coating material in container
•
running out
Nozzle seal worn
•
Air filter heavily soiled
•
Refill
➞
Replace
➞
Change
➞
Coating material
causes "paint
tears"
Too much coating material applied.
•
Turn material volume
➞
adjusting screw to the
right (-)
Too much fog of
coating material
(Overspray)
Distance to the object too large
•
Too much coating material applied
•
Amount of air too high
•
Reduce distance
➞
Turn material volume
➞
adjusting screw to the
left (-)
Turn the air volume
➞
control to the left (-)
Paint in the
ventilating hose
Diaphragm soiled
•
Diaphragm defective
•
Clean the diaphragm
➞
Replace the diaphragm
➞