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Model W1802 2 QT. Professional Spray Gun
-9-
6. Set the pressure control knob to
regulate the fluid pressure to the
gun. Follow material manufacturer's
recommendations for this setting.
7. Adjust the atomizing cap to vertical
or horizontal. See Atomizing Cap
and Fan Adjustments on Page 10 for
further explanation.
8. Trial and error are necessary to
achieve the results you want along
with a fair amount of practice. Test
your material flow and spray pattern
on a piece of cardboard or some
scrap of material similar to your
project.
9. Adjust the fluid control knob to
start with a low volume of material
and keep the atomization as low
as possible. You will need to use a
combination of fluid control, inlet air
pressure, air flow control and stroke
speed to achieve the results you
want. Spray so the material wets out
nicely without running or sagging.
10. Use the pattern control knob to
adjust the spray fan to your desired
pattern.
11. Keep the gun tip perpendicular,
parallel, and 8-10" from the work at
all times when spraying, as shown in
Figure 10. Do not allow your wrist to
bend. This will cause the gun to arc
across the surface and distribute the
material unevenly, possibly creating
sags and dry spots.
12. Begin spraying 2-3 inches before the
work and continue to the end of the
work. Continue the motion for a few
inches past the work until you are
ready for the return stroke.
13. Maintain an even speed when spray-
ing.
14. Overlap each stroke by 50%. This will
ensure even coverage, as shown in
Figure 11. Less than 50%, as shown
in the figure to the right, may lead to
missed spots or streaky results.
Figure 10. Spray technique.
Figure 11. Overlap technique.
15. Spray stroke should have even
consistency and parallel edges. If it
doesn't, refer to
Troubleshooting on
Page 14.
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