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GM 3000AC
B_00071
"?
OPERATING MANUAL
EDITION 05/2007
PART NO. DOC364831
5.4 WORKING
5.4.1 START-UP AIRCOAT SPRAYING
1. Set material pressure to approx. 8MPa; 80 bar; 1160 psi at material pump.
2. Spray (release trigger safety catch and pull trigger) and check the atomisation.
3. Set the fl uid pressure to the point where a further increase in fl uid pressure would
signifi cantly improve fl uid atomization.
4. Now open AirCoat-air on the atomizing air regulator and set.
5. Adjust the pressure to get the optimum spraying fi nish. Relation between spray pattern
and atomizing air see illustration. Set the minimum air pressure necessary to achieve
the best possible spray pattern.
Note:
Repeat point 4 and 5 until the optimum spray pattern is reached
Spray patterns
no atomizing air too little atomizing air correct amount of atomizing air
5.4.2 ADJUSTING THE SPRAY PATTERN
The spray pattern can be adjusted to suit the object Being sprayed using the shaping air
regulator. The illustration below shows the infl uence of the shaping air regulator on the
spraying pattern.
Other tip sizes can be used to obtain larger or smaller spraying patterns.
Shaping air fully
closed
Shaping air fully
open
Viewed from rear of spraygun
Note
The paint output volume can be changed by:
•
Changing the material pressure.
•
Fitting another fl at jet nozzle. See accessories.