48
GM 5000EA
B_04383
OPERATING MANUAL
EDITION 04/2016 ORDER NUMBER DOC2344499
7.3.3 SPRAYING
1. Insert the desired nozzle into the spray gun.
2. Turn on the control unit.
See corresponding operating manual.
3. Start up with product supply generator set to approx. 0.05 to 0.15 MPa; 0.5 to 1.5 bar;
7 to 22 psi operating pressure. See corresponding operating manual.
4. Set atomizing air regulator (4) to approx. 1–4 bar.
5. Open air regulator at the rear of the gun.
6. Spray on a test object (pull trigger).
Pressing the trigger on the spray gun switches the high-voltage supply on.
7. Adjust the product pressure and atomizing air in accordance with the nozzle and
object.
Rule of thumb: Set atomizing air pressure approx. three times higher than the
product pressure.
Flat-jet method: Changing the spray jet width
8. Change the width of the spray jet by turning the air regulator (at the rear of the spray
gun, see photo) or by appropriate selection of the nozzle.
Flow rate
9. Product quantity may be able to be reduced by:
- Minimizing the product pressure.
- Use a di erent nozzle size.
See Chapter 13.
- Limit the valve needle stroke with the adjustment screw on the side of the gun.
Round-jet method
Open air regulation.
The size of the air cap should
match with the nozzle size.
Flat jet method
Air regulation closed.
Air regulation fully
opened.
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