Toro Spray Master Series - Page 29

amountofthematerialthatyouobservedinthe
centergraduatedcylinder.
3.Gotothetwocorrespondingpans.Startingfrom
theouteredge,measurethedistancebetween
leftpan,acrossthecenterpan,totheouteredge
oftherightpan,andrecordthemeasurement.
Recordtheeffectivespreadingwidthhere:
.
PreparingtheCalibrationCoursefor
CalculatingtheApplicationRate
1.Determineacourselengthbydividing93m
2
(1,000ft
2
)bytheeffectivespreadwidththat
youdeterminedinDeterminingtheEffective
SpreadingWidth(page28);usethecourse
lengthformula.Recordthecourselength
here:
.
CalibrationCourseLengthFormula
Formula
93m
2
(1,000ft
2
)
/Effectivewidth
measurement
=
Calibrationcourse
length
Example
93m
2
(1,000ft
2
)
/1.8m(6ft)
=
51m(167ft)
Note:Inthisexampletheeffectivewidth
measures1.8m(6ft).
2.Measureandvisiblymarkthecourselength.
Ensurethatyouallowenoughdistancebefore
thestartingmarkersothatthespreadermoving
forwardatfullspeedwhencrossingtherst
markofthecourse.
CalculatingtheApplicationRate
1.Determinetheareaandamountofmaterialthat
youareapplyingtothejobsiteandrecordthose
amountsintheareaandmaterialsworksheet.
Recordthejobsiteareahere:
.
Recordtheamountofjobsitematerialhere:
.
2.Initially,usetherecommendedapplicationrate
indicatedintheSpreadingCharts(page31)
sectionorusetheraterecommendedlistedon
theproductmanufacturer’slabelasaguideto
helpdeterminetheamountofmaterialthatyou
wouldspreadovera93m
2
(1,000ft
2
)area.
Note:Inthisexamplethecalibrationcourseis
1.8m(6ft)by51m(167ft).
3.Settheappropriatedrop-ratecamsetting;refer
totheSpreadingCharts(page31)asastarting
point.
4.Addmaterialtothehopper.
Note:Inthisexampleweadded11.3kg(25
lb)ofmaterial.
5.Drivethespreaderoverthecalibrationcourse
whileapplyingthematerial.
6.Emptytheremainingmaterialofthehopperinto
acleanbucket.
7.Weighthebucketcontainingthematerialand
recordtheweight.Pourthecontentsback
intothehopperandthenweightheempty
bucket.Calculatetheremainingmaterialweight
usingtheremainingmaterialweightformula.
Recordtheremainingmaterialweighthere:
.
RemainingMaterialWeightFormula
Formula
(Remaining
materialand
bucketweight)-
(Bucketweight)
=
Remainingmaterial
weight
Example
10kg(22lb)-
1kg(2lb)
=
9kg(20lb)
Note:Inthisexample,9kg(20lb)ofmaterial
remaininthehopperafterapplyingthematerial
tothetestcourse.
8.Calculateappliesmaterialweighusing
theappliedmaterialformulathatfollows.
Recordtheappliedmaterialweighthere:
.
AppliedMaterialWeightFormula
Formula
(Original
materialweight)
-(Remaining
materialweight)
=
Appliedmaterial
weight
Example
11.3kg(25lb)
-9kg(20lb)
3
=
2.3kg(5lb)
Note:Thiscalculationmeansthatatthe
selectedmotor-rotationspeed,2.3kg(5lb)of
materialwasappliedtothe93m
2
(1,000ft
2
)test
course.
9.Ifnecessary,adjustthedrop-ratecamtoachieve
therecommendedapplicationrate.Onceyou
achievethecorrectapplicationrate,repeat
thisprocedureanadditionaltimetoverifyyour
results.
Important:Designateanewcalibration
courseeachtime,sothattheturfisnot
damagedbyexcessiveapplicationof
material.
29