Toro Pro Control XP - Flowmeter Calibration and Testing; Flowmeter Calibration Process; Flowmeter Cable Testing

3.Pressthe[Time]key.ThedisplayshowsDAY .
4.Pressthe[Enter]keytochangetheday.
5.Pressthe[Time]key.
ThedisplayshowsYEAR.
6.Pressthe[Enter]keytochangetheyear.
7.Pressthe[Time]key.
ThedisplayshowsPOWERDOWNDAY .
CalibratingtheFlowmeter
ServiceInterval:Yearly—Calibratetheowmeter.
1.Pressthe[MeterCal]key.
2.Pressthe[Enter]key.
3.EntertheMeterCalnumber.
Note:TheMeterCal(orowmeter)calibration
numberisstampedonthetagattachedtothe
owmeterormetercable(
Figure10).
4.Pressthe[Enter]key.
5.Pressthe[TotalVolume]key.
6.Pressthe[Enter]key.
7.Enter0.
8.Pressthe[Enter]key.
9.Fillthetankwithapredeterminedamountofwater.
Note:Forbestresults,measurethewaterusing
anindependentmethod.Forthebestaccuracy,
determinetheamountofwateraheadoftimesothat
theapplicatortankisfull.
10.Emptythetankbyboomsprayingundernormal
conditions.
Note:Thevehicledoesnotneedtobeinmotionto
performthisstep,butyoumustenteratestspeed.
11.Afteremptyingthewaterfromthetank,checkthe
TotalVolumenumber.Thisnumbershouldequal
thepredeterminedamountofwater.Ifitdoesnot,
calculatetheMeterCalnumberusingtheformula
thatfollows.Undernormalconditions,theMeter
Calnumbershouldbewithin+/–3%ofthenumber
stampedonthetagoftheowmeter.
Seetheexamplebelow:
MeterCal(fromtag)=1660
TotalVolume=103
Amountofwater=100
CorrectedMeterCal=(MeterCalxTotalVolume)/
AmountofWater
CorrectedMeterCal=(1660x103)/100
CorrectedMeterCal=1710.
Note:Repeatthisprocedureseveraltimestoconrm
thatthecorrectedMeterCalnumberisaccurate.
TestingtheFlowmeterCable
1.Disconnecttheconsolecontrolcablefromthe
owmetercable.
2.Holdthecablesothatthekeywayisinthe12o’
clockposition(Fig.
Figure12).
G013306
1
2
3
4
Figure12
1.Keyway
3.Signal(6o’clockposition)
2.Ground(2o’clockposition)4.Power(10o’clockposition)
3.EnteraMeterCalnumber;refertoEnteringthe
MeterCalNumberintheOperationsection.
4.Pressthe[TotalVolume]key.
5.TurnthePump,Foot,andBoomswitchestotheOn
position.
6.Useasmalljumperwireorapapercliptocreatea
shortbetweenthe2o’clockand6o’clocksockets.
Note:Eachtimeyoumakecontact,theTotal
Volumeshouldincreaseby1ormorecounts.
7.IftheTotalVolumenumberdoesnotincrease,
replacethedefectivecable.
8.Performthevoltagechecks:2o’clockto6o’clock
(+5VDC);and2o’clockto10o’clock(+5VDC).
9.Ifallthecablesaregood,replacetheowsensor.
Note:Aftertestingtheowmetercables,enterthe
correctMeterCalnumberbeforespraying.
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