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Gun Setup
19. Check that the ES indicator (K) [Hz indicator on
Smart guns] is lit. See the following table.
Table 2 . LED Indicator Colors
Indicator
Color
Description
Green
When spraying, the indicator
should remain green, indicating
sufficient air pressure to the
alternator turbine.
Amber
If the indicator changes to amber
after 1 second, the air pressure
is too low. Increase air pressure
until the indicator is green.
Red
If the indi
cator changes to red
after 1 se
cond, the air pressure is
too high.
Decrease air pressure
until the
indicator is green.
20. Set the gun air regulator to deliver a minimum
of 45 psi (0.32 MPa, 3.2 bar) at the gun when
triggered, to ensure full spraying voltage. See
the table below.
Table 3 . Pressure Drop
Air Hose
Length in ft (m)
(using 5/16 in. [8
mm] diameter hose)
Air Regulator Setting
in psi (MPa, bar)
[with gun triggered]
15 (4.6) 52 (0.36, 3.6)
25 (7.6) 57 (0.40, 4.0)
50 (15.3) 68 (0.47, 4.7)
75 (22.9) 80 (0.56, 5.6)
100 (30.5) 90 (0.63, 6.3)
21. Turn the atomizing air adjustment valve
counterclockwise until any tails disappear.
22. If desired atomization is not achieved, change
the tip size. The smaller the tip orifice, the finer
the atomization.
23. Spray a test piece. Examine the edges
for coverage. If wrap is poor, see
Troubleshooting, page 35.
NOTE: If a narrower pattern is needed occasionally,
open the fan air adjustment valve slightly. (Excessive
fan air flow can cause paint buildup on the air cap.)
20 3A2495C