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2.9
Troubleshooting
Observe the safety instructions and maintenance instructions!
Problem
A The paint spray is
interrupted or pulses
B Spray pattern is
incomplete
C Irregular paint appli-
cation with drip for-
mation
D Uneven material
accumulation
Cause
Hold the gun at an incline
Material cap is loose or dam-
aged
Viscosity is too high
Ventilation in cover or drip
guard (item 09 or 14) is
clogged
Air cap (item 11) dirty or dam-
aged
Paint sticks to the nozzle or
parts are damaged
Nozzle needle is damaged
Nozzle dirty or damaged
Working pressure (flow pres-
sure) too low
Viscosity is too high
Air cap (item 11) dirty
Working pressure (flow pres-
sure) too high
Slotted nozzle is loose or dam-
aged
Air cap and nozzle are clogged
with paint
Viscosity is too low
Compressor output too small
Spray width too great
Remedy
Guide the gun such that the ves-
sel is vertical
Screw the material cap tight or
replace the entire nozzle set (see
***
Figure 3a-c)
Decrease viscosity, use nozzle
set with larger diameter, correct
viscosity
****
Clean
****
Clean
or replace complete
nozzle set (see Figure 3a-c)
****
Clean
or replace entire noz-
zle set (see Figure 3a-c)
Replace the complete nozzle set
***
(see Figure 3a-c)
****
Clean
or replace complete
nozzle set (see Figure 3a-c)
Increase working pressure (flow
pressure)
Observe
*
working pressure
Decrease viscosity or increase
material pressure (item 18)
****
Cleaning
Decrease working pressure
Screw slotted nozzle (item 13)
on tightly or replace nozzle set
****
Clean
or replace complete
nozzle set (see Figure 3a-c)
Increase viscosity, use nozzle set
with smaller diameter
Use different output
*
rating
Reduce spray width (item 4)
GB
FSP
***
***
****
maximum
*
***
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