W 687 E
Malfunction
Atomisation too
coarse
Spray jet pulsates
Coating material
causes "paint
tears"
Too much fog of
coating material
(Overspray)
Paint in the
ventilating hose
Device does not
function
Poor covering
capacity on the
wall
Cause
•
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
•
Coating material in container
running out
•
Nozzle seal worn
•
Air filter heavily soiled
•
Too much coating material applied.
•
Distance to the object too large
•
Too much coating material applied
•
Amount of air too high
•
Diaphragm soiled
•
Diaphragm defective
•
Device overheated
•
Spray material is too cold
•
Highly absorbent surface or paint
with poor covering capacity
•
Distance too large
Remedy
Turn material volume
➞
adjusting screw to the
left (-)
Clean
➞
Dilute further
➞
Tighten container
➞
Change
➞
Turn the air volume
➞
control to the left (+)
Refill
➞
Replace
➞
Change
➞
Turn material volume
➞
adjusting screw to the
right (-)
Reduce distance
➞
Turn material volume
➞
adjusting screw to the
left (-)
Turn the air volume
➞
control to the left (-)
Clean the diaphragm
➞
Replace the diaphragm
➞
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
Heat spray material
➞
maximum 40°C)
Cross spray (Fig. 11)
➞
Closer to the object
➞
GB
(to
43