Curtis Dyna-Fog 1 Series, Manual

Page: 21 / 59

12) After passed the one minute, turn the Spray “OFF” and check the position of
the liquid level or “final” mark (indicated as Mark (f) in next diagram).
If necessary, increase or decrease valve setting to achieve the desired flow rate.
Remove the cylindrical container used for calibration and pour the remaining
formulation into the formulation tank being careful not to spill any of the liquid.
Turn “ON” the spray for few seconds to remove liquid from the flush line. Then
turn “OFF” the spray, clean the formulation from the tube and reinsert the end of
the Flush tube into the hole of the tube holder.
Move the lever of the 3-way valve to the Formulation position (down). The
machine was calibrated and is ready to spray.
21
D
GRADUATE
CYLINDER, 250 ML
MINIMUM
SPRAY BEGINS
AND GETS
STABLE
SELECT A
MARK (i), START
STOP WATCH
AFTER ONE MINUTE,
CHECK MARK (f),
STOP SPRAY.
MARK (i)
MARK (f)
(i)
V
(f)
V
(o)
V
For better accuracy, it is recommended that the graduate cylinder or cylindrical
container has a diameter bigger than 1.75 inches.
The flow rate could be calculated as the difference between the Initial Volume
minus the Final Volume, divided in the spray time “t” (one minute recommended).
V(i) – V(f)
Flow Rate = --------------
t
If the spray time was one minute, the flow rate is the difference between volumes; if
the spray time was two minutes, divide the difference of volumes in two.
In the diagram, D represents
the internal diameter of the
graduate cylinder.
V(o) is the total volume of
formulation added to the
cylinder.
V(i) is the initial Volume
when the stop watch start to
count.
V(f) is the final volume when
the stop watch reach one
minute.
L is the difference in levels of
the liquid used to remove
bubbles from the lines.
H is the difference in levels
of the liquid sprayed during
one minute.