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Multi Pro 1250
1. Choose nozzle based on desired application rate and spray speed. Note Refer to "Nozzle
Selection" Section of Operator's Manual, if required).
CAUTION: In order to avoid potential for an accident or injury,
!
choose a wide open area without obstructions to perform the
following mobile spray calibration process.
2. Fill spray tank with water and drive in the speed range that will be used for spraying. (Note: It is
not necessary to drive at exact spraying speed)
3. Turn on spray pump and spray boom to begin spraying.
4. Use Application Rate switch on spray control panel to reach desire application rate on the monitor.
(Note: Monitor must be in 'Application Rate' position)
5. Stop vehicle. Place speed range selector in neutral and set parking brake. Leave spray pump and
boom 'on'.
6. Press accelerator pedal to floor and set the neutral engine speed control on the left vehicle control
panel.
7. Document the pressure on the spray gauge at the back of the vehicle while boom is spraying.
8. Turn 1 of the 3 boom sections off with the individual boom control switch and adjust the boom
bypass valve located on the bottom of the boom control valve to obtain the gauge pressure identified
in step 7. (Note: If pressure does not change when boom section is turned off, no adjustment is
needed)
9. Repeat step 8 for the remaining boom sections. (This allows accurate application rate when individual
boom sections are turned off)
10. For verification, drive unit in desired speed range and turn individual boom sections off while spraying.
Application rate on monitor should remain constant. If not, repeat 8.
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