GB
21
WallPerfect W 665
Correction of Malfunctions
Problem
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, C)
•
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
•
Turn material volume
➞
adjusting screw to the
left (-)
Clean
➞
Dilute further
➞
Tighten container
➞
Change
➞
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
Viscosity of coating material
•
too low
Turn material volume
➞
adjusting screw to the left (-)
Too much fog of
coating material
(Overspray)
Distance to the object too
•
large
Too much coating material
•
applied
Reduce distance
➞
Turn material volume
➞
adjusting screw to the left (-)
Device does not
function
Device overheated
•
Unplug the power plug,
➞
let the device cool down
approx. 30 minutes, do not
bend the hose, check the
air filter, do not cover the
intake slots
