Operation; Start-Up For Aircoat Spraying; Spray Pattern Shapes - WAGNER GA 4000ACIC-R Translation Of The Original Operating Manual

VERSION 06/2013
OPERATING MANUAL
7

OPERATION

7.1

START-UP FOR AIRCOAT SPRAYING

1. Set operating pressure for product supply to approx. 8 MPa; 80 bar; 1160 psi and start up.
2. Spray (release control air) and check the atomization.
3. Set the spray pressure on the product supply such that optimum product atomization is attained.
4. Open air pressure regulator for atomizing air and set.
5. Adjust the amount of air at the shaping air throttle until the optimum spraying pattern is reached.
The relation between the spray pattern and shaping is shown in the illustration below.
Note:
Repeat points 4 and 5 until the optimum spray pattern is reached (iterative process).

Spray pattern shapes

No shaping air/atomizing air Too little shaping air/atomizing air Correct amount of shaping air/atomizing air
7.2
SPRAY PATTERN SHAPES
The spray pattern can be adjusted to suit the object being
sprayed using the shaping air throttle valve. The illustration
shows the infl uence of the amount of shaping on the
spraying pattern. Other nozzle sizes can be used to obtain
larger or smaller spraying patterns.
Note:
The amount of product can be changed by:
changing the product pressure or
using a diff erent fl at jet nozzle.
See accessories.
ORDER NUMBER DOC 2312956
Shaping air throttle
fully open.
B_03053
B_00071
Shaping air throttle
fully closed.
34