Toro 34230 - Calibrating the Sprayer and Ground Speed

SprayerOperationScreen
Thesprayeroperationscreen(Figure47)displays
whenyoutapthesprayer-pumpswitch.
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Figure47
1.Sprayeroperationscreen4.Unitsofmeasure—PSI
(poundspersquareinch)
2.LEDstatuslight
5.Spraysystempressure
(measured)
3.Pressuresetpoint(target)
UsingtheSprayer-PumpSwitch
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Figure48
1.Sprayerandinformation
display
2.Sprayer-pumpswitch
Usethesprayer-pumpswitch(Figure48)tostart
theelectricmotorthatdrivesthesprayerpump
andrecirculationpump,adjustthesprayersystem
pressure,andshutoffsprayerpumpandrecirculation
pumpmotors.
•Tapthetopofthesprayer-pumpswitchtostartthe
spraypump.
•Tapthetopofthesprayer-pumpswitchtoraisethe
spray-systempressure.
•Tapthebottomofthesprayer-pumpswitchto
lowerspray-systempressure.
•Pushthebottomofthesprayer-pumpswitchfor
1-secondtoshutoffthespraypump.
CalibratingtheSprayer
Note:Beforeyouusethesprayerforthersttime
orchangethenozzlesorwhenthesprayerisoutof
adjustment—calibratethesprayerforgroundspeed
andowrate.
Note:Theleftandrightsprayerboomnozzlesare
widepattern(white)nozzlesandthecenternozzleis
anarrowpattern(red)nozzle.
Note:Refertothechemicalproductlabelfor
applicationraterecommendations.
Themethodtocalibratethesprayerowinvolves
drivingapresetdistance,recordingthetime,andthen
measuringtheamountofliquidappliedduringthat
time.
CalculatingtheGroundSpeed
Operatorsuppliedequipment:Stopwatchcapable
ofmeasuring±1/10second.
1.Measureandvisiblymarkacourselengthused
tocalculatetheaveragegroundspeed.Record
thecourselengthhere:
.
Note:Inthisexamplethecourselengthis45.7
m(150ft).
2.Addcleanwaterintothespraytankuntilitis1/2
full;refertoFillingtheSprayTank(page44).
3.Drivethemachinetoanareafarenoughaway
fromthecoursesothatwhenyouaredriving
itintothecourse,themachinetravelsatthe
desiredgroundspeedbeforereachingtherst
marker.
4.Useastopwatchtomeasurethetime(in
seconds)thatittakesthemachinetotravelthe
markedcourse(45.7m(150ft)inthisexample)
whilemaintainingthedesiredgroundspeed.
Recordyourcoursetimeinthecoursetime
worksheet.
CourseTimeWorksheet
Time
Test1seconds
Test2seconds
Test3seconds
5.Repeatsteps2through4anadditional2times.
6.Movethesprayertoalevelsurface,movethe
motion-controlleverintheNEUTRALposition,
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