DÖRR EcoGun 249, Operation Manual

Page: 8 / 40

5 Commissioning
Protective equipment:
Protective gloves
Safety boots
Protective workwear
Eye protection
Respiratory protection device
Use ear protection
Requirements:
Material hose and air hose have been
connected Ä 4.2 “Assembly”.
1. Rinse the spray gun before filling it with
paint Ä 6.7 “Rinsing”:
use solvent for solvent-based paints
use water for water-based paints
2. Create a trial spray pattern on a test work
piece.
Setting the spray pattern
Setting the material flow
Fig. 3: Setting the material flow
1. Set the material flow.
Loosen locknut (1).
Turn set screw (2) in required direc-
tion.
Right turn: less material
Left turn: more material
Tighten the locknut (1).
Do not turn the set screw up
to the mechanical stop. The
needle can then no longer
move properly.
If the material quantity cannot
be sufficiently reduced with
the material flow control,
reduce the total air pressure
or use a smaller nozzle set.
Set total air pressure
Fig. 4: Setting the total air and jet width
2. Set the total air pressure by turning the
total air control (2).
Right turn: Lower total air pressure
Left turn: higher total air pressure
Observe the following charac-
teristic curve.
Setting the horn air pressure
3. Set the horn air pressure by turning the
flat jet control (1).
Right turn: Flat jet minimum
Left turn: Flat jet maximum
You can turn the flat jet con-
trol continuously and adjust
the spray pattern from flat to
round jet.
Commissioning
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