INST
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APPLIC
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APPENDIX
INTRODUC
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23
845 Sprayer Control System
98-05349-ENUS R0
OPER
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BEFORE YOU GET STARTED
Sprayer Check
Before spraying, check all connections related to the Sprayer
Control assembly.
WARNING: Whenever working around a sprayer or farm chemicals,
be sure to wear protective clothing and eye wear.
Partially fill the sprayer tank with water to flush the system and to
make a visual check of the spray Tips/Nozzles to be sure all Tips/
Nozzles are delivering a good spray pattern.
Follow these steps, in sequence, being sure the Master Switch is in
its “OFF” position:
1. Be sure the tank shut-off valve is open.
2. Start the engine, engage pump, and set the RPM to that which
will be used when spraying.
3. Switch the console on by pressing the PROGRAM
button
on the display panel.
4. Ensure that the spray Tips/Nozzles being used match those
selected on the display.
5. Turn “ON” the toggle switches for each of the spray booms on
the sprayer.
6. Press the AUTO/MANUAL
button so that the red LED light
indicates “MAN” mode.
7. Now, toggle the Master Switch to “ON.”
8. Adjust the pressure with the PLUS
button and/or MINUS
button.
9. While spraying, adjust the pressure with the button to the
system’s minimum point.
10. Now press the PLUS
button for three (3) seconds. This will
move the regulating valve to its middle position.
11. Manually adjust the system pressure using a throttle valve
in the supply line or a manual shutoff valve on a bypass line.
Adjust the system pressure so that it is close to what the
operating pressure will be for the application.
12. This ensures a maximum range of automatic adjustment while
spraying in AUTO mode. At this point, the sprayer will be
activated and spray Tip/Nozzle performance can be visually
checked. The pressure adjust buttons can be used to raise
or lower the spraying pressure. To stop spraying, toggle the
Master Switch to “OFF”.
The previous steps provide a quick way to check out the sprayer
and consoleized control system.
NOTE: It is recommended to calibrate the sprayer to prepare the
unit for operation, and to diagnose spray Tip/Nozzle wear.
Worn Tips/Nozzles can contribute to costly chemical waste,
and inaccurate spraying regardless of the use of a sprayer
control. Calibration is important and necessary to obtain the
benefits associated with a consoleized sprayer control.
