operation manual

GB
27
W 400
20. Correction of Malfunctions
Problem Cause Remedy
No coating material
emerges from the
nozzle
•
Nozzle clogged
•
Feed tube clogged
•
Material volume setting turned
too far to the left (-)
•
Feed tube loose
•
No pressure build-up in container
•
Ventilating bore (Fig.9,1) clogged
➞ Clean
➞ Clean
➞ Turn to the right (+)
➞ Insert
➞ Tighten container
➞ Clean
Coating material
drips from the
nozzle
•
Nozzle loose
•
Nozzle worn
•
Nozzle seal is missing or worn
•
Coating material assembly at air
cap, nozzle or needle
➞ Tighten
➞ Change
➞ Change
➞ Clean
Atomisation too
coarse
•
Viscosity of coating material too
high
•
Material volume too large
Material volume adjusting screw
turned too far to the right (+)
•
Nozzle contaminated
•
Air lter heavily soiled
•
Too little pressure build-up in
container
➞ Thin
➞ Turn material volume
adjusting screw to the
left (-)
➞ Clean
➞ Change
➞ Tighten container
Spray jet pulsates
•
Coating material in container
running out
•
Air lter heavily soiled
•
Nozzle seal is missing or worn
➞ Rell
➞ Change
➞ Change
Coating material
causes "paint tears"
•
Too much coating material
applied.
➞ 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 (-)
Width of paint spray
cannot be adjusted
•
Adjustment ring is not connected
to the peg on the air cap
•
Air screen is clogged up
➞ Connect adjustment
ring and peg
➞ Disassemble and clean
Paint in the
ventilating hose
•
Diaphragm soiled
•
Diaphragm defective
➞ Clean the diaphragm
➞ Replace the diaphragm