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Nozzle alignment:
To achieve an even surface coverage, turn the long
access of the nozzles at a slight angle (~10
) from the horizontal access of
the spray bars (see Figure 10). This prevents interference of the spray
pattern.
Figure 10:
Spray pattern with 100% overlap and at a slight angle
Nozzle height adjustment:
Set the height of the spray bars to achieve a
100 % (double) overlap; the fan reaches the center of the adjacent fan(s)
(see Figure 10).
Note:
Emulsion viscosity varies with temperature and type.
Heavier emulsions require a higher nozzle height than lighter material
to achieve a double overlap.
1.
Adjust the height of the center and telescoping spray bars using
method 1 and/or method 2.
Method 1: Add or remove spacers
a.
Support the spray bar housing using the lifting eyes.
b.
Remove the three fasteners on each of the four mounting
hinges (see Figure 11).
c.
Add or remove one or more spacers (maximum four)
below each mounting hinge.
d.
Adjust the swing arm height to match by removing the pin
that attaches the swing arm to the telescoping spray bars
and/or loosening the top/bottom nut on the adjustment
bolt, which is located at the rear of the swing arms (see
Figure 12).