Earlex HV4901, Instruction Manual

Page: 24 / 29

EN
24
HV4901
24. 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.14, 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
➞
Replace
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 (-)