Toro 41086 - Maintenance; Recommended Maintenance Schedule(S); Cleaning the Flowmeter; Calibrating the Flowmeter

Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Every200hours
•Cleantheowmeter.(Moreoftenwhenusingwettablepowders)
CleaningtheFlowmeter
ServiceInterval:Every200hours/Yearly(whichever
comesrst)(Moreoftenwhenusing
wettablepowders)
1.Thoroughlyrinseanddraintheentirespraying
system.
2.Removetheowmeterfromthesprayerandush
itwithcleanwater.
3.Removetheretainerringontheupstreamside
(Figure14).
G012934
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7
9
1
4 5
2
3
6
5
Figure14
1.Modiedangedbody
6.Turbinestudassembly
2.Rotor/magnetassembly7.Cableclamp
3.Hub/bearingassembly
8.Threadscrew
4.Hubassembly(with
keywayup)
9.Sensorassembly
5.Retainingring10.Flow-reducingsleeve
4.Cleantheturbineandtheturbinehubtoremove
metallingsandanywettablepowders.
5.Inspecttheturbinebladesforwear.
Note:Holdtheturbineinyourhandandspinit.
Itshouldspinfreelywithverylittledrag.Ifitdoes
not,replaceit.
6.Assembletheowmeter.
7.Usealowpressure(5psior50kPa)airjettoensure
thattheturbinespinsfreely.Ifitdoesnot,loosen
thehexstudonthebottomoftheturbinehubby
1/16ofaturnuntiltheturbinespinsfreely.
CalibratingtheFlowmeter
1.Pressthe[MeterCal]key.
2.EntertheMeterCalnumber.
Note:TheMeterCal(orowmeter)calibration
numberisstampedonthetagattachedtothe
owmeterormetercable.
3.Pressthe[Enter]key.
4.Pressthe[TotalVolume]key.
5.Pressthe[Enter]key.
6.Enter0.
7.Pressthe[Enter]key.
8.Fillthetankwithapredeterminedamountofwater.
Note:Forbestresults,measurethewaterusing
anindependentmethod.Forthebestaccuracy,
determinetheamountofwateraheadoftimesothat
theapplicatortankisfull.
9.Emptythetankbyboomsprayingundernormal
conditions.
Note:Thevehicledoesnotneedtobeinmotionto
performthisstep.
10.Afteremptyingthewaterfromthetank,checkthe
TotalVolumenumber.Thisnumbershouldequal
thepredeterminedamountofwater.Ifitisnot,
calculatetheMeterCalnumberusingtheformula
thatfollows.Undernormalconditions,theMeter
Calnumbershouldbewithin+/–3%ofthenumber
stampedonthetagoftheowmeter.
Seetheexamplebelow:
MeterCal(fromtag)=1660
TotalVolume=103
Amountofwater=100
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