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Setup
Adjust
the Spray Pattern
(continued)
To
establish the corfect air
flow:
4.
Test the spray pattem and atomization while hold-
ing the gun about
6
to
8
inches (150 to
200
mm)
from the test piece.
5. The Air Control Valve
(M)
on the end of the tur-
bine hose controls both the atomizing air and the
pressure in the spray gun cup (if used). See Fig.
10.
Adjust the air control valve
as
needed.
M
Fig.
10
NOTES
To
control over-spray mist, use only as much air as
02850
is necessary for the fluid being sprayed. The
lighter the fluid, the
less
air required.
If
atomization
is
unacceptable after following the
further or a different fluid set may be required.
procedure above, the fluid may need
to
be thinned
Refer
to
pages
4
and
5
to select the proper fluid
set
or
page
7
to prepare the fluid.
Adjust
the
Pattern
Size
Change the pattem size by turning the air cap retain-
tern. See Fig. 11. For a smoother finish, use a narrow
ing ring in for a wide pattern or out for a narrow pat-
pattern. For more fluid output, use a wide pattern.
NOTE
If
the air cap retaining ring
Is
turned
too
far
out, the fluid flow will stop or flutter.
Normal
Pattern
Spray
Wider
Spray
Pattern
Narrower
spray
Pattern
Air Cap
flush
with
Fluid Nozzle
Turn
Air
Cap
Retaining Ring In
c
Turn Air Cap
Retaining Ring
Out
-
Fig.
11
02851
10
308-336