
FormNo.3434-499RevB
Groundsmaster
®
4500-Dand
4700-DRotaryMower
ModelNo.30881—SerialNo.403450001andUp
ModelNo.30882—SerialNo.403450001andUp
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3434-499*

ThisproductcomplieswithallrelevantEuropean
directives;fordetails,pleaseseetheseparateproduct
specicDeclarationofConformity(DOC)sheet.
Visitwww.Toro.comforproductsafetyandoperation
trainingmaterials,accessoryinformation,helpnding
adealer,ortoregisteryourproduct.
ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineon
anyforest-covered,brush-covered,orgrass-covered
landunlesstheengineisequippedwithaspark
arrester,asdenedinSection4442,maintainedin
effectiveworkingorderortheengineisconstructed,
equipped,andmaintainedforthepreventionofre.
Theenclosedengineowner'smanualissupplied
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCaliforniaEmission
ControlRegulationofemissionsystems,maintenance,
andwarranty.Replacementsmaybeorderedthrough
theenginemanufacturer.
WARNING
CALIFORNIA
Proposition65Warning
Dieselengineexhaustandsomeofits
constituentsareknowntotheStateof
Californiatocausecancer,birthdefects,
andotherreproductiveharm.
Batteryposts,terminals,andrelated
accessoriescontainleadandlead
compounds,chemicalsknownto
theStateofCaliforniatocause
cancerandreproductiveharm.Wash
handsafterhandling.
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
g036837
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
Introduction
Thismachineisaride-on,rotary-bladelawnmower
intendedtobeusedbyprofessional,hiredoperators
incommercialapplications.Itisprimarilydesigned
forcuttinggrassonwell-maintainedlawnsinparks,
sportselds,andoncommercialgrounds.Usingthis
productforpurposesotherthanitsintendedusecould
provedangeroustoyouandbystanders.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely .
©2020—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Figure2
1.Safety-alertsymbol.
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
2
g000502
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved

Contents
Safety.......................................................................4
GeneralSafety...................................................4
Engine-EmissionCertication.............................4
SafetyandInstructionalDecals..........................5
Setup.......................................................................11
1InstallingtheDecals(CEMachines
Only)..............................................................11
2InstallingtheHoodLatch.................................11
3AdjustingtheRollerScraper...........................13
4InstallingtheMulchingBafe..........................14
5PreparingtheMachine...................................14
ProductOverview...................................................15
Controls...........................................................15
Specications..................................................23
MachineSpecications.....................................24
CuttingUnitSpecications................................24
Attachments/Accessories.................................24
BeforeOperation.................................................25
BeforeOperationSafety...................................25
CheckingtheEngine-OilLevel..........................25
CheckingtheCoolingSystem...........................25
CheckingtheHydraulicSystem........................25
DrainingtheWaterSeparator...........................25
CheckingtheRearAxleandGearboxfor
Leaks............................................................25
FillingtheFuelTank..........................................26
CheckingtheTirePressure...............................27
CheckingtheT orqueoftheWheelLug
Nuts..............................................................27
AdjustingtheRollBar.......................................28
AdjustingtheHeightofCut...............................29
CheckingtheInterlockSwitches.......................29
CheckingtheBlade-StoppingTime...................30
SelectingaBlade..............................................30
ChoosingAccessories......................................31
DuringOperation.................................................32
DuringOperationSafety...................................32
StartingtheEngine...........................................33
ShuttingOfftheEngine.....................................33
CuttingGrasswiththeMachine........................33
DieselParticulateFilterRegeneration...............34
UnderstandingtheOperatingCharacteristics
oftheMachine..............................................47
OperatingtheEngine-CoolingFan....................47
UsingCruiseControl.........................................48
UsingtheTransportLatches.............................48
OperatingTips.................................................48
AfterOperation....................................................50
GeneralSafety.................................................50
UsingtheCutting-UnitStorageLanyard............50
HaulingtheMachine.........................................51
PushingorT owingtheMachine........................51
LocatingtheTie-DownPoints...........................52
Maintenance...........................................................53
MaintenanceSafety..........................................53
RecommendedMaintenanceSchedule(s)...........53
DailyMaintenanceChecklist.............................54
Pre-MaintenanceProcedures..............................55
LiftingtheMachine...........................................55
OpeningtheHood............................................56
AccessingtheHydraulicLift
Compartment................................................57
Lubrication..........................................................57
GreasingtheBearingsandBushings................57
EngineMaintenance...........................................59
EngineSafety...................................................59
ServicingtheAirCleaner..................................59
ServicingtheEngineOil....................................60
ServicingtheDiesel-OxidationCatalyst
(DOC)andtheSootFilter..............................61
FuelSystemMaintenance...................................62
DrainingtheFuelT ank......................................62
InspectingtheFuelLinesand
Connections..................................................62
ServicingtheFuel-WaterSeparator..................62
ServicingtheFuelFilter....................................63
CleaningtheFuel-PickupTubeScreen.............64
PrimingtheFuelSystem...................................64
ElectricalSystemMaintenance...........................65
ElectricalSystemSafety...................................65
CheckingtheBatteryCondition.........................65
ChargingandConnectingtheBattery...............65
LocatingtheFuses...........................................66
DriveSystemMaintenance..................................67
CheckingforEnd-PlayinthePlanetary
Drives............................................................67
CheckingthePlanetaryGear-Drive
Lubricant.......................................................68
ChangingthePlanetary-Gear-Drive
Oil.................................................................68
CheckingtheRearAxleandGearboxfor
Leaks............................................................70
CheckingtheRear-AxleLubricant....................70
ChangingtheRear-AxleLubricant....................70
CheckingtheRear-Axle-Gearbox
Lubricant.......................................................71
CheckingtheRearWheelT oe-In......................71
CoolingSystemMaintenance..............................72
CoolingSystemSafety.....................................72
CheckingtheCoolingSystem...........................72
CleaningtheCoolingSystem............................74
BrakeMaintenance.............................................75
AdjustingtheServiceBrakes............................75
BeltMaintenance................................................75
ServicingtheAlternatorBelt.............................75
HydraulicSystemMaintenance...........................76
HydraulicSystemSafety...................................76
ServicingtheHydraulicFluid............................76
CheckingtheHydraulicLinesand
Hoses............................................................78
CuttingUnitMaintenance.....................................79
RemovingtheCuttingUnits..............................79
InstallingtheCuttingUnits................................79
ServicingtheFrontRoller.................................79
3

BladeMaintenance..............................................80
BladeSafety.....................................................80
ServicingtheBladePlane.................................80
RemovingandInstallingtheCutting-Unit
Blade(s)........................................................81
InspectingandSharpeningtheCuttingUnit
Blade(s)........................................................82
Storage...................................................................83
StorageSafety..................................................83
PreparingtheMachineforStorage...................83
PreparingaCuttingUnit....................................84
Safety
Thismachinehasbeendesignedinaccordance
withENISO5395(whenyoucompletethesetup
procedures)andANSIB71.4-2017.
GeneralSafety
Thisproductiscapableofamputatinghandsand
feetandofthrowingobjects.Alwaysfollowallsafety
instructionstoavoidseriouspersonalinjury.
•Readandunderstandthecontentsofthis
Operator’sManualbeforestartingtheengine.
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand
functioningproperlyonthemachine.
•Keepyourhandsandfeetawayfromrotating
parts.Keepclearofthedischargeopening.
•Keepbystandersandchildrenoutoftheoperating
area.Neverallowchildrentooperatethemachine.
•Shutofftheengine,removethekey(ifequipped),
andwaitforallmovementtostopbeforeyouleave
theoperator’sposition,Allowthemachinetocool
beforeadjusting,servicing,cleaning,orstoringit.
Improperlyusingormaintainingthismachinecan
resultininjury .T oreducethepotentialforinjury,
complywiththesesafetyinstructionsandalways
payattentiontothesafety-alertsymbol
meansCaution,Warning,orDanger—personalsafety
instruction.Failuretocomplywiththeseinstructions
mayresultinpersonalinjuryordeath.
,which
Engine-Emission
Certication
TheengineinthismachineisEP ATier4FinalandEU
StageVemissionscompliant.
4

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
93-7818
1.Warning—readtheOperator'sManualforinstructionson
torquingthebladebolt/nutto1 15to149N∙m(85to110
ft-lb).
98-4387
decal93-7818
decal107-1972
107-1972
1.Thrownobjecthazard—useastandardbladewhenthe
mulchbafeisinstalled;donotuseahigh-liftbladewhen
themulchbafeisinstalled.
decal98-4387
1.Warning—wearhearingprotection.
106-6754
1.Warning—donottouchthehotsurface.
2.Cutting/dismembermenthazard,fanandentanglement
hazard,belt—stayawayfrommovingparts.
decal112-5297
112-5297
1.Warning—readtheOperator'sManual;donotoperatethe
machineunlessyouaretrained.
2.Warning—readtheOperator'sManualbeforetowingthe
decal106-6754
machine.
3.Tippinghazard—turnatlowspeeds;donotturnathigh
speeds;lowerthecuttingunitwhendrivingdownslopes;
usearolloverprotectionsystemandweartheseatbelt.
4.Warning—donotparkthemachineonslopes;engagethe
parkingbrake,lowerthecuttingunits,shutofftheengine,
andremovethekeybeforeleavingthemachine.
5.Thrownobjecthazard—keepbystandersaway.
6.Entanglementhazard,belt—stayawayfrommovingparts;
keepallguardsandshieldsinplace.
1.Enginecoolantunder
pressure.
2.Explosionhazard—read
theOperator'sManual.
decal106-6755
106-6755
3.Warning—donottouchthe
hotsurface.
4.Warning—readthe
Operator'sManual.
5

decal117-4766
117-4766
1.Cutting/dismembermenthazard;fan—stayawayfrom
movingparts,keepallguardsandshieldsinplace.
decal117-4763
117-4763
1.Toengagetheparking
brake,securethebrake
pedalswiththelockingpin,
presstheparking-brake
2.Todisengagetheparking
brake,disengagethe
lockingpinandreleasethe
pedals.
pedalsandengagethetoe
pedal.
117-4764
1.Thrownobjecthazard—keepbystandersaway.
2.Cuttinghazardofhand,mowerblade—stayawayfrom
movingparts;keepallguardsandshieldsinplace.
3.Cuttinghazardoffoot,mowerblade—stayawayfrom
movingparts;keepallguardsandshieldsinplace.
decal120-4159
120-4159
1.Off
2.Lights9.Tractiondrive
3.On
4.Light-switchlocation
decal117-4764
5.Fast
6.Variable-speedadjustment13.Lower,centercuttingunits
7.Slow
8.High
10.Low
11.Powertakeoff(PTO)
12.Lower,leftcuttingunit
14.Lower,rightcuttingunit
1.ReadtheOperator'sManual.
2.Donotusestartingaids.
decal117-4765
117-4765
6

decal121-3887
121-3887
1.ReadtheOperator’sManual.
decal120-8947
120-8947
1.Warning—readthe
Operator’sManual.
2.Thereisnorollover
protectionwhentheroll
barisdown.
3.Thereisrolloverprotection
whentherollbarisup.
1.Engine—stop3.Engine—start
2.Engine—preheat
121-3884
4.Iftherollbarisraised,
weartheseatbelt.
5.Iftherollbarislowered,
donotweartheseatbelt.
6.Driveslowlywhenturning.
decal136-2931
136-2931
ForGroundsmaster4500Only
1.Raisethedecks.3.Disengagethecruise
2.Setthecruisecontrol.
control.
decal127-3700
127-3700
decal121-3884
1.Raisetheleftcuttingunit.4.Setthecruisecontrol.
2.Raisethecentercutting
units.
3.Raisetherightcuttingunit.
ForGroundsmaster4700Only
5.Disengagethecruise
control.
7

125-4605
1.Powerseat(10A)6.Powersupplied(10A)
2.Worklight(10A)7.GM4700controller(2A)
3.Engine(10A)8.Powersupplied(7.5A)
4.Powerport(10A)9.GM4500controller(2A)
5.Infocenter(2A)10.Cab(60A)
decal133-8062
133-8062
decal125-4605
BatterySymbols
Someorallofthesesymbolsareonyourbattery .
1.Explosionhazard6.Keepbystandersaway
2.Nore,opename,or
smoking
3.Causticliquid/chemical
burnhazard
4.Weareyeprotection.9.Flusheyesimmediately
5.ReadtheOperator's
Manual.
fromthebattery .
7.Weareyeprotection;
explosivegasescan
causeblindnessandother
injuries.
8.Batteryacidcancause
blindnessorsevereburns.
withwaterandgetmedical
helpfast.
10.Containslead;donot
discard
decalbatterysymbols
8

1.Height-of-cutsettings
AfxoverPartNo.112-5297forCE*for4500seriesmachines
decal121-3627
121-3627
127-6447
Note:Thismachinecomplieswiththeindustrystandardstabilitytestinthestaticlateralandlongitudinaltestswiththemaximum
recommendedslopeindicatedonthedecal.ReviewtheinstructionsforoperatingthemachineonslopesintheOperator’sManualas
wellastheconditionsinwhichyouwouldoperatethemachinetodeterminewhetheryoucanoperatethemachineintheconditionson
thatdayandatthatsite.Changesintheterraincanresultinachangeinslopeoperationforthemachine.
1.Warning—readthe
Operator’sManual;all
operatorsshouldbetrained
beforeoperatingthe
machine.
2.Warning—readthe
Operator’sManualfor
towinginformation.
3.Tippinghazard—donot
driveonslopesgreaterthan
16°.
4.Keepthecuttingunits
loweredwhiledrivingdown
slopes;alwaysweara
seatbeltwhenoperatingthe
machine.
5.Warning—donotparkon
slopes;engagetheparking
brake,lowerthecutting
units,shutofftheengine,
andremovethekeybefore
leavingthemachine.
6.Thrownobject
hazard—keepbystanders
away.
7.Entanglementhazard,
belt—stayawayfrom
movingparts;keepall
guardsandshieldsinplace.
decal127-6447
9

AfxoverPartNo.112-5297forCE*for4700seriesmachines
127-6448
Note:Thismachinecomplieswiththeindustrystandardstabilitytestinthestaticlateralandlongitudinaltestswiththemaximum
recommendedslopeindicatedonthedecal.ReviewtheinstructionsforoperatingthemachineonslopesintheOperator’sManualas
wellastheconditionsinwhichyouwouldoperatethemachinetodeterminewhetheryoucanoperatethemachineintheconditionson
thatdayandatthatsite.Changesintheterraincanresultinachangeinslopeoperationforthemachine.
decal127-6448
1.Warning—readthe
Operator’sManual;all
operatorsshouldbetrained
beforeoperatingthe
machine.
2.Warning—readthe
Operator’sManualfor
towinginformation.
3.Tippinghazard—donot
driveonslopesgreaterthan
21°.
4.Keepthecuttingunits
loweredwhiledrivingdown
slopes;alwaysweara
seatbeltwhenoperatingthe
machine.
5.Warning—donotparkon
slopes;engagetheparking
brake,lowerthecutting
units,shutofftheengine,
andremovethekeybefore
leavingthemachine.
6.Thrownobject
hazard—keepbystanders
away.
7.Entanglementhazard,
belt—stayawayfrom
movingparts;keepall
guardsandshieldsinplace.
10

Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Warningdecal1
1
2
3
4
5
CEdecal
Production-yeardecal1
Hood-latchbracket1
Rivet2
Washer1
Screw(1/4x2inches)
Locknut(1/4inch)
Nopartsrequired
Nopartsrequired
Nopartsrequired
MediaandAdditionalParts
Description
Operator'sManual
Engineowner’smanual1
Qty.
Qty.
1
1
1
–
–
–
1
Reviewbeforeoperatingthemachine.
Refertothemanualforadditionalmaintenanceinformation.
Replacethedecals(CEmachinesonly).
Installthehoodlatch(CEmachines
only).
Adjusttherollerscraper(optional).
Installthemulchingbafe(optional).
Preparethemachine.
Use
Use
DeclarationofConformity
Ignitionkeys2
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
1
Starttheengine.
1
InstallingtheDecals(CE
MachinesOnly)
Partsneededforthisprocedure:
1Warningdecal
1
CEdecal
1Production-yeardecal
Procedure
OnmachinesrequiringCEcompliance,replacethe
warningdecal,CEdecal,andtheproduction-year
decal(Figure3).
1.Warningdecal3.Production-yeardecal
2.CEdecal
g279018
Figure3
11

2
InstallingtheHoodLatch
CEMachinesOnly
Partsneededforthisprocedure:
1Hood-latchbracket
2Rivet
1Washer
1
Screw(1/4x2inches)
1
Locknut(1/4inch)
Procedure
1.Unhookthehoodlatchfromthehood-latch
bracket.
2.Removethe2rivetssecuringthehood-latch
brackettothehood(Figure4).
Figure5
1.CElockbracket
5.Alignthewasherswiththeholesontheinsideof
thehood.
6.Rivetthebracketsandthewasherstothehood
(Figure5).
7.Hookthelatchontothehood-latchbracket
(Figure6).
2.Boltandnut
g012629
Figure4
1.Hood-latchbracket2.Rivets
3.Removethehood-latchbracketfromthehood.
4.Whilealigningthemountingholes,positionthe
CElockbracketandthehood-latchbracketonto
thehood(Figure5).
Note:Thelockbracketmustbeagainstthe
hood.Donotremovetheboltandnutfromthe
lock-bracketarm.
g012630
Figure6
1.Hoodlatch
g012628
8.Installtheboltintotheotherarmofthe
hood-latchbrackettolockthelatchinposition
(Figure7).Tightentheboltbutdonottighten
thenut.
12

3
AdjustingtheRoller
Scraper
Optional
g012631
Figure7
1.Bolt
2.Nut
3.Armofhood-latchbracket
NoPartsRequired
Procedure
Theoptionalrearrollerscraperfunctionsbestwhen
thereisanevengapof0.5to1mm(0.02to0.04inch)
betweenthescraperandtheroller.
1.Loosenthegreasettingandthemounting
screw(Figure8).
Figure8
1.Rollerscraper
2.Mountingscrew
2.Slidethescraperupordownuntilyouobtaina
gapof0.5to1mm(0.02to0.04inch)between
therodandtheroller.
3.Tightenthegreasettingandscrewto41N∙m
(30ft-lb)inanalternatingsequence.
3.Greasetting
g011346
13

4
5
InstallingtheMulching
Bafe
Optional
NoPartsRequired
Procedure
ContactyourauthorizedTorodistributorforthecorrect
mulchingbafe.
1.Thoroughlycleandebrisfromthemountingholes
ontherearwallandleftwallofthechamber.
2.Installthemulchingbafeintherearopening
andsecureitwith5ange-headbolts(Figure9).
PreparingtheMachine
NoPartsRequired
Procedure
1.Parkthemachineonalevelsurface.
2.Lowerthecuttingunits.
3.Engagetheparkingbrake.
4.Shutofftheengineandremovethekey.
5.Checkthetirepressurebeforeuse;referto
CheckingtheTirePressure(page27).
Important:Maintainpressureinalltires
toensureagoodquality-of-cutandproper
machineperformance.Donotunderinate
thetires.
6.Checktherear-axlelubricantlevelbefore
youstarttheengineforthersttime;referto
CheckingtheRear-AxleLubricant(page70).
7.Checktheengine-oillevelbeforestartingthe
engine;refertoCheckingtheEngine-OilLevel
(page60).
Figure9
1.Mulchingbafe
3.Verifythatthemulchingbafedoesnotinterfere
withthetipofthebladeanddoesnotprotrude
insidethesurfaceoftherearchamberwall.
2.Flange-headbolt
DANGER
Usingthehigh-liftbladewiththe
mulchingbafecouldcausetheblade
tobreak,resultinginpersonalinjuryor
death.
Donotusethehigh-liftbladewiththe
bafe.
8.Checkthehydraulic-uidlevelbeforestarting
theengine;refertoCheckingtheHydraulic-Fluid
Level(page76).
9.Checkthecoolingsystembeforestartingthe
engine;refertoCheckingtheCoolingSystem
g031579
(page72).
10.Greasethemachinebeforeuse;referto
GreasingtheBearingsandBushings(page57).
Failuretoproperlygreasethemachinewillresult
inprematurefailureofcriticalparts.
14

ProductOverview
Controls
themostcomfortableposition,andreleasethepedal
(Figure10).T omovethesteeringwheelawayfrom
you,pressthefootpedalandreleaseitwhenthe
steeringwheelreachesthedesiredoperatingposition.
Parking-BrakePedal
Toengagetheparkingbrake,(Figure10)connectthe
pedalstogetherwiththepedal-lockinglatchandpush
downontherightbrakepedalwhileengagingthetoe
pedal.Toreleasetheparkingbrake,press1ofthe
brakepedalsuntiltheparkingbrakelatchretracts.
KeySwitch
Figure10
1.Brakepedal4.Tractionpedal
2.Pedal-lockinglatch5.Tilt-steeringpedal
3.Parking-brakepedal
TractionPedal
Thetractionpedal(Figure10)controlsforwardand
reverseoperation.Pressthetopofthepedaltomove
forwardandthebottomtomovebackward.
Tostopthemachine,use1ofthefollowing
procedures:
•Reduceyourfootpressureonthetractionpedal
andallowittoreturntothecenterposition.The
machinedynamicallybrakestoasmoothstop.
•Taporholdthereversepedalbriey.Thisstops
themachinefasterthandynamicbraking.
Note:Inemergencybrakingsituations,pressthe
servicebrakepedalsinadditiontousingthereverse
pedalasstatedabove.Thisisthequickestwayto
stopthemachine.
g009979
Thekeyswitch(Figure1 1)has3positions:OFF,
ON/PREHEAT,andSTART.
Figure11
1.Liftswitches
(Groundsmaster4700
machineonly)
2.Liftswitch(Groundsmaster
4500and4700machines)
3.PTOswitch
4.Keyswitch8.Lightswitch
5.InfoCenter
6.Hi-Lospeedcontrol
7.Engine-speedswitch
g208967
BrakePedals
Thereare2footpedalsthatoperateindividualwheel
brakesforturningassistance,parking,andtoaidin
betterside-hilltraction.Alatchconnectsthepedals
forparking-brakeoperationandtransport(Figure10).
Pedal-LockingLatch
Thepedal-lockinglatchconnectsthepedalstogether
toengagetheparkingbrake(Figure10).
Tilt-SteeringPedal
Totiltthesteeringwheeltowardyou,pressthefoot
pedaldown,pullthesteeringtowertowardyouto
15
1.Power-pointswitch
g028454
Figure12
2.Cruise-controlswitch

Engine-SpeedSwitch
LightSwitch
Theengine-speedswitch(Figure11)has2modesto
changetheenginespeed.Taptheswitchtoincrease
ordecreasetheenginespeedin100rpmincrements.
HolddowntheswitchtoautomaticallymovetoHigh
orLowidle,dependingonwhichendoftheswitch
youpress.
PTOSwitch
ThePTOswitchhas2positions:OUT(START)and
IN(STOP).PullthePTObuttonouttoengagethe
cutting-unitblades.Pushthebuttonintodisengage
thecutting-unitblades(Figure1 1).
High-LowSpeedControl
Theswitch(Figure11)allowsthespeedrangeto
increasefortransportingthemachine.Toswitch
betweentheHighandLowspeedranges,raisethe
cuttingunits,disengagethePTOandthecruise
control,putthetractionpedalintotheNEUTRAL
position,andmovethemachineataslowspeed.
Note:Thecuttingunitsdonotoperateand/orcannot
beloweredfromthetransportpositionwhenthe
switchisinthehighrange.
Presstheloweredgeoftheswitch(Figure11)toturn
onthelights.Presstheupperedgeoftheswitchto
turnoffthelights.
PowerPoint
Usethepowerpoint(Figure13)topoweroptional12
Velectricalaccessories.
g036845
Figure13
1.Powerpoint2.Bagholder
Cruise-ControlSwitch
Thecruise-controlswitchlocksinthepedalposition
tomaintainthedesiredgroundspeed(Figure11).
Pressingtherearoftheswitchturnsoffthecruise
control,themiddlepositionoftheswitchenablesthe
cruise-controlfunction,andthefrontoftheswitchsets
thedesiredgroundspeed.
Note:Pressingeitherbrakepedalormovingthe
tractionpedalintothereversepositionfor1second
alsodisengagesthecruisecontrol.
LiftSwitches
Theliftswitchesraiseandlowerthecuttingunits
(Figure11).Presstheswitchesforwardtolowerthe
cuttingunitsandrearwardtoraisethecuttingunits.
Whenstartingthemachine,withthecuttingunitsin
thedownposition,presstheliftswitchdowntoallow
thecuttingunitstooatandmow.
Note:Thecuttingunitsdonotlowerwhileinthe
high-speedrangeandtheydonotraiseorlowerifyou
areoutoftheseatwhiletheengineisrunning.Also,
thecuttingunitslowerwiththekeyintheONposition
andyouareintheseat.
BagHolder
Usethebagholderforstorage(Figure13).
SeatAdjustments
Seat-AdjustmentLever
Movetheseatadjustmentleveronthesideofthe
seatoutward,slidetheseattothedesiredposition,
andreleasethelevertolocktheseatintoposition
(Figure14).
16

Figure14
UsingtheInfoCenterLCDDisplay
TheInfoCenterLCDdisplayshowsinformationabout
yourmachine,suchastheoperatingstatus,various
diagnosticsandotherinformationaboutthemachine
(Figure15).Thereisasplashscreenandmain
informationscreenoftheInfoCenter.Youcanswitch
betweenthesplashscreenandmaininformation
screenatanytimebypressinganyoftheInfoCenter
buttonsandthenselectingtheappropriatedirectional
arrow.
g024916
1.Weightgauge
2.Weightadjustmentlever5.Armrestadjustmentknob
3.Seatadjustmentlever
ArmrestAdjustmentKnob
4.Seat-backadjustment
lever
Rotatetheknobtoadjustthearmrestangle(Figure
14).
Seat-BackAdjustmentLever
Movethelevertoadjusttheseat-backangle(Figure
14).
WeightGauge
Theweightgaugeindicateswhentheseatisadjusted
totheweightoftheoperator(Figure14).Adjustthe
heightbypositioningthesuspensionwithintherange
ofthegreenregion.
WeightAdjustmentLever
Usethislevertoadjusttheseattoyourweight(Figure
14).Pulltheleveruptoincreasetheairpressureand
pushtheleverdowntodecreasetheairpressure.The
properadjustmentiscorrectwhentheweightgaugeis
inthegreenregion.
Figure15
1.Indicatorlight3.Middlebutton
2.Rightbutton
4.Leftbutton
•LeftButton,MenuAccess/BackButton—pressthis
buttontoaccesstheInfoCentermenus.Youcan
useittoexitanymenuthatyouarecurrentlyusing.
•MiddleButton—usethisbuttontoscrolldown
menus.
•RightButton—usethisbuttontoopenamenu
wherearightarrowindicatesadditionalcontent.
•Beeper—activatedwhenloweringthecuttingunits
orforadvisoriesandfaults.
Note:Thepurposeofeachbuttonmaychange
dependingonwhatisrequiredatthetime.Each
buttonislabeledwithanicondisplayingitscurrent
function.
g020650
17

InfoCenterIconDescription
SERVICEDUE
Indicateswhenscheduledservice
shouldbeperformed
Hoursremaininguntilservice
InfoCenterIconDescription(cont'd.)
Starttheengine.
Resettheservicehours
Thestatusoftheenginerpm
Infoicon
Maximumtractionspeedsetting
Fast
Slow
Thefanisreversed
DPFregenerationisrequired
Theair-intakeheaterisactive
Raisetheleftcuttingunit.
ThePTOison.
Thecruisecontrolison.
Shutofftheengine
Engine
Keyswitch
Cuttingunitsarelowering
Cuttingunitsareraising
PINcode
Hydraulicuidtemperature
CANbus
InfoCenter
Raisethecentercuttingunit
Raisetherightcuttingunit
Theoperatormustsitintheseat
Theparkingbrakeisengaged
Therangeishigh
Neutral
IdentiestherangeasLow
Coolanttemperature(°Cor°F)
Temperature(hot)
TractionorTractionPedal
Notallowed
Badorfailed
Center
Right
Left
Bulb
OutputofTECcontrollerorcontrol
wireinharness
Overtheallowedrange
Undertheallowedrange
Outofrange
/
Switch
Operatormustreleaseswitch
18

InfoCenterIconDescription(cont'd.)
Symbolsareoften
combinedtoform
sentences.Some
examplesareshown
below
Operatorshouldchangetoindicated
state
Operatorshouldputmachinein
neutral
Enginestartisdenied
Engineshutdown
Enginecoolantistoohot
Hydraulicuidistoohot
DPFashaccumulationnotication.
RefertoServicingtheDiesel
ParticulateFilter(DPF)inthe
maintenancesectionfordetails
Reset-standbyregenerationrequest
Parkedorrecoveryregeneration
request
Aparkedorrecovery-standby
regenerationisprocessing.
Highexhausttemperature
NOxcontroldiagnosismalfunction;
drivethemachinebacktotheshop
andcontactyourauthorizedToro
distributor(softwareversionPand
later).
Thepowertake-offisdisabled.
Sitdownorengageparkingbrake
AccessibleonlybyenteringPIN
19

UsingtheMenus
ToaccesstheInfoCentermenusystem,pressthe
menuaccessbuttonwhileatthemainscreen.This
bringsyoutothemainmenu.Refertothefollowing
tablesforanoverviewoftheoptionsavailablefrom
themenus:
MainMenu—MenuItemDescription
Faults
ServiceContainsinformationonthe
DiagnosticsListsvariousstatesthatthe
Settings
AboutListsthemodelnumber,serial
Service—MenuItem
Hours
CountsListsthenumberofstarts,
DPFRegeneration
InhibitRegenUsetocontrolreset
ParkedRegenUsetoinitiateaparked
LastRegenListsthenumberhourssince
RecoverRegenUsetoinitiatearecovery
Containsalistoftherecent
machinefaults;refertothe
ServiceManualformore
information.
machinesuchashoursofuse
andothersimilarnumbers
machinecurrentlyhas;you
canusethistotroubleshoot
certainissuesasitquicklytells
youwhichmachinecontrols
areonandwhichareoff.
Allowsyoutocustomizeand
modifycongurationvariables
ontheInfoCenterdisplay
number,andsoftwareversion
ofyourmachine
Description
Liststhetotalnumberofhours
thatthemachine,engine,and
fanhavebeenon,aswell
asthenumberofhoursthe
machinehasbeentransported
andoverheated
cuttingunit/PTOcycles,and
fanreversalsthemachinehas
experienced
Thedieselparticulatelter
regenerationoptionandDPF
submenus
regeneration
regeneration
thelastreset,parked,or
recoveryregeneration
regeneration
Diagnostics—MenuItemDescription
LeftCuttingUnit
CenterCuttingUnit
RightCuttingUnit
Traction
HI/LORange
PTO
Engine
Cruise
Settings—MenuItem
Units
Language
LCDBacklightControlsthebrightnessofthe
LCDContrastControlsthecontrastofthe
ProtectedMenusAllowsapersonauthorized
ProtectSettings
AutoIdle
MowSpeed
Trans.Speed
SmartPower
Counterbalance
Turnaround
RefertotheServiceManual
oryourauthorizedToro
distributorformoreinformation
ontheEngineRunmenuand
theinformationcontained
there.
Description
Controlstheunitsusedonthe
InfoCenter(EnglishorMetric)
Controlsthelanguageused
ontheInfoCenter*
LCDdisplay
LCDdisplay
byyourcompanywiththe
PINcodetoaccessprotected
menus.
Allowstheabilitytochange
thesettingsintheprotected
settings
Controlstheamountoftime
allowedbeforeidlingthe
enginewhenthemachineis
notinuse
Controlsthemaximumspeed
whileinmow(lowrange)
Controlsthemaximumspeed
whileintransport(highrange)
TurnsSmartPoweronandoff
Controlstheamountof
counterbalanceappliedbythe
cuttingunits
TurnsTurnaroundonandoff
*Only"operator-faced"textistranslated.Faults,
Service,andDiagnosticsscreensare"service-faced.”
Titlesareintheselectedlanguage,butmenuitems
areinEnglish.
ProtectedunderProtectedMenus—accessibleonly
byenteringPIN
20

About—MenuItemDescription
Model
SNListstheserialnumberofthe
S/WRevListsthesoftwarerevisionof
Liststhemodelnumberofthe
machine
machine
themastercontroller
ProtectedMenus
Thereare6operatingcongurationsettingsthatare
adjustablewithintheSettingsMenuoftheInfoCenter:
autoidle,maximummowinggroundspeed,maximum
transportgroundspeed,SmartPower,cuttingunit
counterbalance,andTurnaround.Thesesettingsare
intheProtectedMenu.
AccessingProtectedMenus
Note:ThefactorydefaultPINcodeforyoumachine
iseither0000or1234.
IfyouchangedthePINcodeandforgotthecode,
contactyourauthorizedT orodistributorforassistance.
1.FromtheMAINMENU,usethecenterbuttonto
scrolldowntotheSETTINGSMENUandpressthe
rightbutton(Figure16).
Figure16
2.IntheSETTINGSMENU,usethecenterbuttonto
scrolldowntothePROTECTEDMENUandpress
therightbutton(Figure17A).
g028522
Figure17
3.ToenterthePINcode,pressthecenterbutton
untilthecorrectrstdigitappears,thenpress
therightbuttontomoveontothenextdigit
(Figure17BandFigure17C).Repeatthisstep
untilthelastdigitisenteredandpresstheright
buttononcemore.
4.PressthemiddlebuttontoenterthePINcode
(Figure17D).
WaituntiltheredindicatorlightoftheInfoCenter
illuminates.
Note:IftheInfoCenteracceptsthePINcode
g028523
andtheprotectedmenuisunlocked,theword
“PIN”displaysintheupperrightcornerofthe
screen.
Note:RotatethekeyswitchtotheOFFpositionand
thentotheONpositionlockstheprotectedmenu.
YoucanviewandchangethesettingsintheProtected
Menu.OnceyouaccesstheProtectedMenu,scroll
downtoProtectSettingsoption.Usetherightbutton
tochangethesetting.SettingtheProtectSettingsto
OFFallowsyoutoviewandchangethesettingsin
theProtectedMenuwithoutenteringthePINcode.
SettingtheProtectSettingstoONhidestheprotected
optionsandrequiresyoutoenterthePINcodeto
changethesettingintheProtectedMenu.Afteryou
setthePINcode,rotatethekeyswitchOFFandback
totheONpositiontoenableandsavethisfeature.
ViewingandChangingtheProtectedMenuSettings
1.IntheProtectedMenu,scrolldowntoProtect
Settings.
21

2.Toviewandchangethesettingswithoutentering
aPINcode,usetherightbuttontochangethe
ProtectSettingstoOFF.
3.ToviewandchangethesettingswithaPIN
code,usetheleftbuttontoselectON,setthe
PINcode,andturnthekeytotheOFFposition
andthentotheONposition.
SettingtheAutoIdle
1.IntheSettingsMenu,scrolldowntoAutoIdle.
2.Presstherightbuttontochangetheautoidle
timebetweenOff,8S,10S,15S,20S,and30S.
SettingtheMaximumAllowedMowSpeed
1.IntheSettingsMenu,scrolldowntoMowSpeed
andpresstherightbutton.
2.Usetherightbuttontoincreasethemaximum
mowspeedin5%incrementsbetween50%and
100%.
3.Usethecenterbuttontodecreasethemaximum
mowspeedin5%incrementsbetween50%and
100%.
2.PresstherightbuttontoswitchbetweenONand
OFF.
3.Presstheleftbuttontoexit.
ViewingtheFuelConsumptionRate
Youcanviewtheaveragefuelconsumptionratefor
thelifetimeofthemachineintheServiceMenu.
4.Presstheleftbuttontoexit.
SettingtheMaximumAllowedTransportSpeed
1.IntheSettingsMenu,scrolldowntoTransport
Speedandpresstherightbutton.
2.Usetherightbuttontoincreasethemaximum
transportspeedin5%incrementsbetween50%
and100%.
3.Usethecenterbuttontodecreasethemaximum
transportspeedin5%incrementsbetween50%
and100%.
4.Presstheleftbuttontoexit.
TurningtheSmartPowerON/OFF
1.Inthesettingsmenu,scrolldowntoSmart
Power.
2.PresstherightbuttontoswitchbetweenONand
OFF.
3.Presstheleftbuttontoexit.
SettingtheCounterbalance
1.IntheSettingsMenu,scrolldownto
Counterbalance.
2.Presstherightbuttontoselectcounterbalance
andchangebetweenthelow,medium,andhigh
settings.
ActuatingT urnaroundON/OFF
1.IntheSettingsMenu,scrolldowntoTurnaround.
22

Specications
Figure18
g198614
23

MachineSpecications
SpecicationsTable
Description4500-D
Widthofcut280cm(110inches)
Overallwidth
Cuttingunitsdown286cm(113inches)
Cuttingunitsup
(transport)
Trackwidth
Front
Rear
HeightwithROPS226cm(88.8inches)C226cm(88.8inches)C
Overalllength
Cuttingunitsdown370cm(146inches)
Cuttingunitsup
(transport)
Groundclearance15cm(6inches)15cm(6inches)
Wheelbase
Netweight
(withcuttingunitsandno
fuel)
224cm(88inches)
224cm(88inches)
141cm(56inches)
370cm(146inches)
171cm(68inches)
1937kg(4,270lb)2277kg(5,020lb)
Figure18reference
D
E
A
B
M
H
L
K
4700-D
380cm(150inches)
391cm(154inches)G
224cm(88inches)
224cm(88inches)
141cm(56inches)
370cm(146inches)
370cm(146inches)
171cm(68inches)
Figure18reference
F
A
B
M
H
L
K
Note:Specicationsanddesignaresubjecttochangewithoutnotice.
CuttingUnitSpecications
SpecicationsTable
Length
Width
Height
26.7cm(10-1/2inches)at3/4-inchheightofcut
34.9cm(13-3/4inches)at4-inchheightofcut
Weight
24.4cm(9.6inches)tocarriermount
86.4cm(34inches)
86.4cm(34inches)
88kg(195lb)
Attachments/Accessories
AselectionofToroapprovedattachmentsandaccessoriesisavailableforusewiththemachinetoenhance
andexpanditscapabilities.ContactyourAuthorizedServiceDealerorauthorizedT orodistributororgoto
www.T oro.comforalistofallapprovedattachmentsandaccessories.
Toensureoptimumperformanceofthemachine,useonlygenuineT ororeplacementpartsandaccessories.
Replacementpartsandaccessoriesmadebyothermanufacturerscouldbedangerous,andsuchusecould
voidtheproductwarranty .
24

Operation
CheckingtheEngine-Oil
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
BeforeOperation
BeforeOperationSafety
GeneralSafety
•Neverallowchildrenoruntrainedpeopleto
operateorservicethemachine.Localregulations
mayrestricttheageoftheoperator.Theowner
isresponsiblefortrainingalloperatorsand
mechanics.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Shutofftheengine,removethekey(ifequipped),
andwaitforallmovementtostopbeforeyouleave
theoperator’sposition,Allowthemachinetocool
beforeadjusting,servicing,cleaning,orstoringit.
•Knowhowtostopthemachineandshutoffthe
enginequickly.
•Checkthatoperator-presencecontrols,safety
switches,andguardsareattachedandfunctioning
properly.Donotoperatethemachineunlessthey
arefunctioningproperly.
•Beforemowing,alwaysinspectthemachineto
ensurethattheblades,bladebolts,andcutting
assembliesareingoodworkingcondition.
Replacewornordamagedbladesandboltsinsets
topreservebalance.
•Inspecttheareawhereyouwillusethemachine
andremoveallobjectsthatthemachinecould
throw.
Level
Beforeyoustarttheengineandusethemachine,
checktheoillevelintheenginecrankcase;referto
CheckingtheEngine-OilLevel(page60).
CheckingtheCooling
System
Beforeyoustarttheengineandusethemachine,
checkthecoolingsystem;refertoCheckingthe
CoolingSystem(page25).
CheckingtheHydraulic
System
Beforeyoustarttheengineandusethemachine,
checkthehydraulicsystem;refertoCheckingthe
Hydraulic-FluidLevel(page76).
DrainingtheWater
Separator
Drainwaterorothercontaminantsfromthewater
separator;refertoDrainingWaterfromtheFuel/Water
Separator(page62).
CheckingtheRearAxleand
GearboxforLeaks
Checktherearaxleandrear-axlegearboxforleaks;
refertoCheckingtheRearAxleandGearboxfor
Leaks(page70).
FuelSafety
•Useextremecareinhandlingfuel.Itisammable
anditsvaporsareexplosive.
•Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.
•Useonlyanapprovedfuelcontainer.
•Donotremovethefuelcaporllthefueltank
whiletheengineisrunningorhot.
•Donotaddordrainfuelinanenclosedspace.
•Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such
asonawaterheaterorotherappliance.
•Ifyouspillfuel,donotattempttostarttheengine;
avoidcreatinganysourceofignitionuntilthefuel
vaporshavedissipated.
25

FillingtheFuelTank
FuelTankCapacity
Fueltankcapacity:83L(22USgallons)
FuelSpecication
Important:Useonlyultra-lowsulphurdiesel
fuel.Fuelwithhigherratesofsulfurdegrades
thedieseloxidationcatalyst(DOC),whichcauses
operationalproblemsandshortenstheservicelife
ofenginecomponents.
Failuretoobservethefollowingcautionsmay
damagetheengine.
•Neverusekeroseneorgasolineinsteadofdiesel
fuel.
•Nevermixkeroseneorusedengineoilwiththe
dieselfuel.
FuelTable
Dieselfuelspecication
ASTMD975
No.1-DS15
No.2-DS15
EN590EuropeanUnion
ISO8217DMX
JISK2204GradeNo.2
KSM-2610
Location
USA
International
Japan
Korea
•Useonlyclean,freshdieselfuelorbiodieselfuels.
•Purchasefuelinquantitiesthatcanbeusedwithin
180daystoensurefuelfreshness.
Usesummer-gradedieselfuel(No.2-D)at
temperaturesabove-7°C(20°F)andwinter-grade
fuel(No.1-DorNo.1-D/2-Dblend)belowthat
temperature.
•Neverkeepfuelincontainerswithzincplatingon
theinside.
•Donotusefueladditives.
PetroleumDiesel
Cetanerating:45orhigher
Sulfurcontent:Ultra-lowsulfur(<15ppm)
Note:Useofwinter-gradefuelatlowertemperatures
provideslowerashpointandcoldowcharacteristics
whicheasesstartingandreducesfuellterplugging.
Usingsummer-gradefuelabove-7°C(20°F)
contributestowardlongerfuelpumplifeandincreased
powercomparedtowinter-gradefuel.
UsingBiodiesel
Thismachinecanalsouseabiodiesel-blendedfuelof
uptoB20(20%biodiesel,80%petrodiesel).
Sulfurcontent:Ultra-lowsulfur(<15ppm)
Biodieselfuelspecication:ASTMD6751or
EN14214
Blendedfuelspecication:ASTMD975,EN590,
orJISK2204
Important:Thepetroleumdieselportionmust
beultra-lowsulfur.
Observethefollowingprecautions:
•Biodieselblendsmaydamagepaintedsurfaces.
•UseB5(biodieselcontentof5%)orlesserblends
incoldweather.
•Monitorseals,hoses,gasketsincontactwithfuel
astheymaydegradeovertime.
•Fuellterpluggingmayoccurforatimeafteryou
converttobiodieselblends.
•Formoreinformationonbiodiesel,contactyour
authorizedT orodistributor.
26

AddingFuel
CheckingtheTirePressure
ServiceInterval:Beforeeachuseordaily
Thecorrectairpressureinthetiresis138kPa(20psi).
Important:Maintaintherecommendedpressure
inalltirestoensureagoodqualityofcutand
propermachineperformance.Donotunder-inate
thetires.
g198621
Checktheairpressureinallthetiresbefore
operatingthemachine.
g001055
Figure20
Figure19
Fillthetanktoabout6to13mm(1/4to1/2inch)
belowthetopofthetank,notthellerneck,with
Number2-Ddieselfuel.
Note:Ifpossible,llthefueltankaftereachuse;this
willminimizepossiblebuildupofcondensationinside
thefueltank.
CheckingtheTorqueofthe
WheelLugNuts
ServiceInterval:Afterthersthour
Aftertherst10hours
g198620
Every200hours
Torquethewheellugnutsto115to136N∙m(85to100
ft-lb)intheordershowninFigure21andFigure22.
g033358
Figure21
FrontWheels
27

Figure22
RearWheels
WARNING
Failingtomaintainpropertorqueofthewheel
lugnutscouldresultinpersonalinjury .
Torquethewheellugnutstothepropertorque
value.
AdjustingtheRollBar
notusetheseatbeltwhentherollbarisinthe
loweredposition.
LoweringtheRollBar
Important:Lowertherollbaronlywhen
necessary.
g033359
Important:Ensurethattheseatissecuredwith
theseatlatch.
WARNING
Toavoidinjuryordeathfromrollover:keep
therollbarintheraisedlockedpositionand
usetheseatbelt.
Ensurethattheseatissecuredwiththeseat
latch.
WARNING
Thereisnorolloverprotectionwhentheroll
barisinthedownposition.
•Donotoperatethemachineonuneven
groundoronahillsidewiththerollbarin
thedownposition.
•Lowertherollbaronlywhenabsolutely
necessary.
•Donotweartheseatbeltwhentherollbar
isinthedownposition.
•Driveslowlyandcarefully.
g201853
Figure23
RaisingtheRollBar
g201854
Figure24
•Raisetherollbarassoonasclearance
permits.
•Checkcarefullyforoverheadclearances
(i.e.,branches,doorways,electricalwires)
beforedrivingunderanyobjectsanddo
notcontactthem.
Important:Alwaysusetheseatbeltwhenthe
rollbarisintheraisedandlockedposition.Do
28

AdjustingtheHeightofCut
Important:Thecuttingunitsoftencut
approximately6mm(1/4inch)lowerthanareel
cuttingunitwiththesamebenchsetting.It
maybenecessarytosetthecutting-unitbench
measurementat6mm(1/4inch)abovethatofreel
cuttingunitscuttinginthesamearea.
Important:Accesstotherearcuttingunitsis
greatlyimprovedbyremovingthecuttingunit
fromthemachine.
1.Parkthemachineonalevelsurface,engage
theparkingbrake,lowerthecuttingunittothe
ground,shutofftheengine,andremovethekey .
2.Loosentheboltsecuringeachheight-of-cut
brackettotheheight-of-cutplate(frontandeach
side)asshowninFigure25.
3.Beginningwithfrontadjustment,removethe
bolt.
7.Installtheboltnger-tight.
8.Repeatsteps4through7foreachside
adjustment.
9.Torqueall3boltsto41N∙m(30ft-lb).Always
tightenthefrontboltrst.
Note:Adjustmentsofmorethan3.8cm(1-1/2
inches)mayrequiretemporaryassemblytoan
intermediateheighttopreventbinding(e.g.,
changingfrom3.1to7cm(1-1/4to2-3/4inches)
heightofcut).
CheckingtheInterlock
Switches
ServiceInterval:Beforeeachuseordaily
CAUTION
Ifsafetyinterlockswitchesaredisconnected
ordamaged,themachinecouldoperate
unexpectedly,causingpersonalinjury .
Figure25
1.Height-of-cutbracket3.Spacer
2.Height-of-cutplate
4.Whilesupportingthechamber,removethe
spacer(Figure25).
5.Movethechambertothedesiredheightof
cutandinstallaspacerintothedesignated
height-of-cutholeandslot(Figure26).
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthemachine.
Theinterlockswitchesaredesignedtoshutoffthe
machinewhenyourisefromtheseatwhenthe
tractionpedalispressed.However,youmayrisefrom
theseatwhiletheengineisrunningandthetraction
g011344
pedalisintheNEUTRALposition.Althoughtheengine
continuestorunwhenyoudisengagethePTOswitch
andreleasethetractionpedal,shutofftheengine
beforerisingfromtheseat.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,andturn
thekeytotheOFFposition.
2.Pressthetractionpedalandturnthekeytothe
ONposition.
Note:Iftheenginecranks,thereisa
malfunctionintheinterlocksystem.Correctthis
malfunctionbeforeoperatingthemachine.
3.TurnthekeytotheONposition,risefromthe
seat,andmovethePTOswitchtoON.
g201855
Figure26
6.Positionthetappedplatein-linewiththespacer.
Note:ThePTOshouldnotengage.Ifthe
PTOengages,thereisamalfunctioninthe
interlocksystem.Correctthismalfunctionbefore
operatingthemachine.
4.Engagetheparkingbrake,turnthekeytothe
ONpositionandmovethetractionpedaloutof
theNEUTRALposition.
29

Note:TheInfoCenterdisplays"tractiondenied"
andthemachineshouldnotmove.Ifthe
machinedoesmove,thereisamalfunctionin
theinterlocksystem.Correctthismalfunction
beforeoperatingthemachine.
•Sparseorlimpturfispickedupsignicantlyat
higherheightsofcut
•Wetorstickyclippingsaredischargedmore
efcientlyreducingcongestioninthecuttingunit.
•Requiresmorehorsepowertorun
Checkingthe
Blade-StoppingTime
ServiceInterval:Beforeeachuseordaily
Note:Lowerthecuttingunitsontoacleansectionof
turforhardsurfacetoavoidthrowingdustanddebris.
Toverifythisstoppingtime,havesomeonestandback
fromthecuttingunitsatleast6m(20ft)andwatchthe
bladeson1ofthecuttingunits.DisengagethePTO
andrecordthetimeittakesforthebladestocometo
acompletestop.Ifthistimeisgreaterthan7seconds,
adjustthebrakingvalve.CallyourauthorizedT oro
distributorforassistanceinmakingthisadjustment.
SelectingaBlade
StandardCombinationSail
Thisbladewasdesignedtoprovideexcellentliftand
dispersioninalmostanycondition.Ifmoreorlesslift
anddischargevelocityisrequired,consideradifferent
blade.
•Tendstodischargefurtherleftandcantendto
windrowatlowerheightsofcut
WARNING
Usingahigh-liftbladewiththemulchingbafe
couldcausethebladetobreak,resultingin
personalinjuryordeath.
Donotusethehigh-liftbladewiththe
mulchingbafe.
AtomicBlade
Thisbladewasdesignedtoprovideexcellentleaf
mulching.
Attribute:Excellentleafmulching
Attributes:Excellentliftanddispersioninmost
conditions
AngledSail(NotCECompliant)
Thebladegenerallyperformsbestinlowerheightsof
cut—1.9to6.4cm(3/4to2-1/2inches).
Attributes:
•Dischargeremainsmoreevenatlowerheightsof
cut.
•Dischargehaslesstendencytothrowleftandthus
acleanerlookaroundbunkersandfairways.
•Lowerpowerrequirementatlowerheightsand
denseturf.
High-LiftParallelSail(NotCE
Compliant)
Thebladegenerallyperformsbetterinthehigher
heightsofcut—7to10cm(2to4inches).
Attributes:
•Moreliftandhigherdischargevelocity
30

ChoosingAccessories
OptionalEquipmentCongurations
AngleSailBladeHigh-Lift,Parallel-Sail
GrassCutting:1.9to4.4
cm(3/4to1-3/4inches)
heightofcut
GrassCutting:5to6.4
cm(2to2-1/2inches)
heightofcut
GrassCutting:7to10
cm(2-3/4to4inches)
heightofcut
LeafMulchingRecommendedforuse
ProsEvendischargeatlower
ConsDoesnotliftthegrass
Recommendedinmost
applications
Recommendedforthick
orlushturf
Mayworkwellinlushturf
withthemulchingbafe
heightofcut;cleaner
lookaroundbunkersand
fairways;lowerpower
requirements
wellinhighheight-of-cut
applications;wetor
stickygrasshasa
tendencytobuildupin
thechamber,leading
topoorqualityofcut
andhigherpower
requirements
Blade(Donotusewith
themulchingbafe)
(NotCECompliant)
Mayworkwellinlightor
sparseturf
Recommendedforlight
orsparseturf
Recommendedinmost
applications
NotAllowedUsewithcombination
Moreliftandhigher
dischargevelocity;
sparseorlimpturfis
pickedupathighheight
ofcut;wetorsticky
clippingsaredischarged
efciently
Requiresmorepowerto
runinsomeapplications;
tendstowindrowat
lowerheightofcutin
lushgrass;donotuse
withthemulchingbafe
MulchingBafeRollerScraper
Hasbeenshownto
improvedispersionand
after-cutperformance
onnortherngrassesthat
arecutatleast3times
perweekandlessthan
1/3ofthegrassblade
isremoved.Donot
usewiththehigh-lift,
parallel-sailblade
sailoranglesailblade
only
Mayimprovedispersion
andappearancein
certaingrasscutting
applications;verygood
forleafmulching
Grasswillbuildupinthe
chamberifyouattempt
toremovetoomuch
grasswiththebafein
place
Useitwheneverthe
rollersbuildupwith
grassorlarge,atgrass
clumpsofgrassare
seen.Thescrapersmay
increaseclumpingin
certainapplications.
Reducesrollerbuildup
incertainapplications
31

DuringOperation
DuringOperationSafety
GeneralSafety
•Theowner/operatorcanpreventandisresponsible
foraccidentsthatmaycausepersonalinjuryor
propertydamage.
•Wearappropriateclothing,includingeye
protection;longpants;substantial,slip-resistant
footwear;andhearingprotection.Tiebacklong
hairanddonotwearlooseclothingorloose
jewelry.
•Donotoperatethemachinewhileill,tired,or
undertheinuenceofalcoholordrugs.
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Beforeyoustarttheengine,ensurethatalldrives
areinneutral,theparkingbrakeisengaged,and
youareintheoperatingposition.
•Donotcarrypassengersonthemachineandkeep
bystandersandchildrenoutoftheoperatingarea.
•Operatethemachineonlyingoodvisibilitytoavoid
holesorhiddenhazards.
•Avoidmowingonwetgrass.Reducedtraction
couldcausethemachinetoslide.
•Keepyourhandsandfeetawayfromrotating
parts.Keepclearofthedischargeopening.
•Lookbehindanddownbeforebackinguptobe
sureofaclearpath.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscureyour
vision.
•Stopthebladeswheneveryouarenotmowing.
•Stopthemachine,removethekey,andwaitfor
allmovingpartstostopbeforeinspectingthe
attachmentafterstrikinganobjectorifthereis
anabnormalvibrationinthemachine.Makeall
necessaryrepairsbeforeresumingoperation.
•Slowdownandusecautionwhenmakingturns
andcrossingroadsandsidewalkswiththe
machine.Alwaysyieldtheright-of-way.
•Disengagethedrivetothecuttingunit,shut
offtheengine,removethekey,andwaitforall
movingpartstostopbeforeadjustingtheheightof
cut(unlessyoucanadjustitfromtheoperating
position).
•Operatetheengineonlyinwell-ventilatedareas.
Exhaustgasescontaincarbonmonoxide,which
islethalifinhaled.
•Neverleavearunningmachineunattended.
•Beforeyouleavetheoperator’sposition,dothe
following:
–Parkthemachineonalevelsurface.
–Disengagethepowertakeoffandlowerthe
attachments.
–Engagetheparkingbrake.
–Shutofftheengineandremovethekey(if
equipped).
–Waitforallmovementtostop.
•Operatethemachineonlyingoodvisibilityand
appropriateweatherconditions.Donotoperate
themachinewhenthereistheriskoflightning.
•Donotusethemachineasatowingvehicle.
•Useaccessories,attachments,andreplacement
partsapprovedbyT oroonly .
RolloverProtectionSystem
(ROPS)Safety
•DonotremoveanyoftheROPScomponentsfrom
themachine.
•Ensurethattheseatbeltisattachedandthatyou
canreleaseitquicklyinanemergency.
•Checkcarefullyforoverheadobstructionsanddo
notcontactthem.
•KeeptheROPSinsafeoperatingconditionby
thoroughlyinspectingitperiodicallyfordamage
andkeepingallthemountingfastenerstight.
•ReplacedamagedROPScomponents.Donot
repairoralterthem.
•Alwaysusetheseatbeltwiththerollbarinthe
raisedposition.
•TheROPSisanintegralsafetydevice.Keepa
foldingrollbarintheraisedandlockedposition,
andusetheseatbeltwhenoperatingthemachine
withtherollbarintheraisedposition.
•Lowerafoldingrollbartemporarilyonlywhen
necessary.Donotweartheseatbeltwhenthe
rollbarisfoldeddown.
•Beawarethatthereisnorolloverprotectionwhen
afoldedrollbarisinthedownposition.
•Checktheareathatyouwillbemowingandnever
folddownafoldingrollbarinareaswherethere
areslopes,drop-offs,orwater.
SlopeSafety
•Slopesareamajorfactorrelatedtolossofcontrol
androlloveraccidents,whichcanresultinsevere
injuryordeath.Y ouareresponsibleforsafeslope
32

operation.Operatingthemachineonanyslope
requiresextracaution.
•Evaluatethesiteconditionstodetermineifthe
slopeissafeformachineoperation,including
surveyingthesite.Alwaysusecommonsense
andgoodjudgmentwhenperformingthissurvey .
•Reviewtheslopeinstructionslistedbelowfor
operatingthemachineonslopesandtodetermine
whetheryoucanoperatethemachineinthe
conditionsonthatdayandatthatsite.Changes
intheterraincanresultinachangeinslope
operationforthemachine.
•Avoidstarting,stopping,orturningthemachineon
slopes.Avoidmakingsuddenchangesinspeedor
direction.Maketurnsslowlyandgradually.
•Donotoperateamachineunderanyconditions
wheretraction,steering,orstabilityisinquestion.
•Removeormarkobstructionssuchasditches,
holes,ruts,bumps,rocks,orotherhiddenhazards.
Tallgrasscanhideobstructions.Uneventerrain
couldoverturnthemachine.
•Beawarethatoperatingthemachineonwet
grass,acrossslopes,ordownhillmaycausethe
machinetolosetraction.Lossoftractiontothe
drivewheelsmayresultinslidingandalossof
brakingandsteering.
•Useextremecautionwhenoperatingthemachine
neardrop-offs,ditches,embankments,water
hazards,orotherhazards.Themachinecould
suddenlyrolloverifawheelgoesovertheedge
ortheedgecavesin.Establishasafetyarea
betweenthemachineandanyhazard.
•Identifyhazardsatthebaseoftheslope.
Iftherearehazards,mowtheslopewitha
pedestrian-controlledmachine.
•Ifpossible,keepthecuttingunit(s)loweredtothe
groundwhileoperatingonslopes.Raisingthe
cuttingunit(s)whileoperatingonslopescancause
themachinetobecomeunstable.
•Useextremecautionwithgrass-collectionsystems
orotherattachments.Thesecanchangethe
stabilityofthemachineandcausealossofcontrol.
2.Pressdownandholdtheengine-speedswitch
tosettheenginetolow-idlespeed.
3.TurnthekeytotheRUNposition.Theglow
indicatorshouldilluminate.
4.Whentheglowindicatordims,turnthekeyto
theSTARTposition.
Important:Donotrunthestartermotor
morethan15secondsatatimeorpremature
starterfailuremayresult.Iftheenginefails
tostartafter15seconds,turnthekeyto
theOFFposition,checkthecontrolsand
procedures,wait15additionalseconds,and
repeatthestartingprocedure.
5.Releasethekeyimmediatelywhentheengine
startsandallowittoreturntotheRUNposition.
6.Presstheengine-speedswitchtosetthedesired
enginespeed.
Whenthetemperatureislessthan-7°C(20°F),
thestartermotorcanberunfor30secondson
then60secondsofffor2attempts.
Important:Shutofftheengineandallowthe
enginetocoolbeforeyoucheckforoilleaks,
looseparts,orothermalfunctions.
ShuttingOfftheEngine
Important:Allowtheenginetoidlefor5minutes
beforeshuttingitoffafterafull-loadoperation.
Thisallowstheturbochargertocooldownbefore
shuttingofftheengine.Failuretodosomaylead
toturbochargertrouble.
Note:Lowerthecuttingunitstothegroundwhenever
machineisparked.Thisrelievesthehydraulicload
fromthesystem,preventswearonsystempartsand
alsopreventsaccidentalloweringofthecuttingunits.
1.Pressdownandholdtheengine-speedswitch
tosettheenginetolow-idlespeed.
2.MovethePTOswitchtotheOFFposition.
3.Engagetheparkingbrake.
4.RotatetheignitionkeytotheOFFposition.
StartingtheEngine
Important:Bleedthefuelsystemifanyofthe
followinghaveoccurred:
•Theenginehasshutoffduetolackoffuel.
•Maintenancehasbeenperformeduponthefuel
systemcomponents.
1.Removeyourfootfromthetractionpedaland
ensurethatitisinNEUTRAL.Ensurethatthe
parkingbrakeisengaged.
5.Removethekeytopreventaccidentalstarting.
CuttingGrasswiththe
Machine
Note:Cuttinggrassataratethatloadstheengine
promotesDPFregeneration.
1.Movethemachinetothejobsiteandalignthe
machineoutsidethecuttingareafortherst
cuttingpass.
33

2.EnsurethatthePTOswitchissettotheDISABLE
position.
throttle)enginespeedgenerallyproducesadequate
exhausttemperatureforDPFregeneration.
3.Movetheleverforthemow-speedlimiter
forward.
4.Pressthethrottle-speedswitchtosettheengine
speedtoHIGHIDLE.
5.Usethejoysticktolowerthecuttingunitstothe
ground.
6.PressthePTOswitchtopreparecuttingunits
foroperation.
7.Usethejoysticktoraisethecuttingunitsoffthe
ground.
8.Beginmovingthemachinetowardthecutting
areaandlowerthecuttingunits.
Note:Cuttinggrassataratethatloadsthe
enginepromotesDPFregeneration.
9.Whenyoucompletethemowingpass,usethe
joysticktoliftthecuttingunits.
10.Performatear-shapedturntoquicklylineupfor
yournextpass.
DieselParticulateFilter
Important:Minimizetheamountoftimethatyou
idletheengineoroperatetheengineatlow-engine
speedtohelpreducetheaccumulationofsootin
thesootlter.
DPFSootAccumulation
•Overtime,thedieselparticulatelteraccumulates
sootinthesootlter.Thecomputerfortheengine
monitorsthesootlevelintheDPF .
•Whenenoughsootaccumulates,thecomputer
informsyouthatitistimetoregeneratetheDPF.
•DPFregenerationisaprocessthatheatstheDPF
toconvertthesoottoash.
•Inadditiontothewarningmessages,thecomputer
reducesthepowerproducedbytheengineat
differentsoot-accumulationlevels.
Regeneration
Thedieselparticulatelter(DPF)ispartoftheexhaust
system.Thediesel-oxidationcatalystoftheDPF
reducesharmfulgassesandthesootlterremoves
sootfromtheengineexhaust.
TheDPFregenerationprocessusesheatfromthe
engineexhausttoincineratethesootaccumulatedon
thesootlter,convertingthesoottoash,andclears
thechannelsofthesootltersothatlteredengine
exhaustowsouttheDPF .
Theenginecomputermonitorstheaccumulationof
sootbymeasuringthebackpressureintheDPF.If
thebackpressureistoohigh,sootisnotincinerating
inthesootlterthroughnormalengineoperation.T o
keeptheDPFclearofsoot,rememberthefollowing:
•Passiveregenerationoccurscontinuouslywhile
theengineisrunning—runtheengineatfull
enginespeedwhenpossibletopromoteDPF
regeneration.
•IfthebackpressureintheDPFistoohighora
resetregenerationhasnotoccurredfor100hours,
theenginecomputersignalsyouthroughthe
InfoCenterwhenresetregenerationisrunning.
•Allowtheresetregenerationprocesstocomplete
beforeshuttingofftheengine.
Operateandmaintainyourmachinewiththefunction
oftheDPFinmind.Engineloadathighidle(full
34

EngineWarningMessages—SootAccumulation
IndicationLevel
Level1:Engine
Level2:Engine
FaultCode
Warning
g213866
Figure27
EnginePowerRatingRecommendedAction
Performaparkedregeneration
Thecomputerde-ratesthe
enginepowerto85%.
assoonaspossible;refer
toPerformingaParked
orRecoveryRegeneration
(page43).
CheckEngine
SPN3719,FMI16
Performarecoveryregeneration
Thecomputerde-ratesthe
Warning
g213867
enginepowerto50%.
Figure28
assoonaspossible;referto
PerformingaParkedor
RecoveryRegeneration
(page43).
CheckEngine
SPN3719,FMI0
35

DPFAshAccumulation
•Thelighterashisdischargedthroughtheexhaust
system;theheavierashcollectsinthesootlter.
•Ashisaresidueoftheregenerationprocess.Over
time,thedieselparticulatelteraccumulatesash
thatdoesnotdischargewiththeengineexhaust.
•Thecomputerfortheenginecalculatestheamount
ofashaccumulatedintheDPF.
InfoCenterAdvisoryandEngineWarningMessages—AshAccumulation
•Whenenoughashaccumulates,theengine
computersendsinformationtotheInfoCenter
intheformofanenginefaulttoindicatethe
accumulationofashintheDPF.
•Thefaultmessagesindicatethatitistimeto
servicetheDPF.
•Inadditiontothewarnings,thecomputerreduces
thepowerproducedbytheengineatdifferent
ash-accumulationlevels.
Indication
Level1:
Engine
Warning
Level2:
Engine
Warning
Level3:
Engine
Warning
Level
FaultCode
g213863
EngineSpeed
Reduction
None
Figure29
EnginePowerRatingRecommendedAction
Thecomputer
de-ratestheengine
powerto85%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page61)
CheckEngine
SPN3720,FMI16
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page61)
g213863
Figure30
Thecomputer
None
de-ratestheengine
powerto50%.
CheckEngine
SPN3720,FMI16
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page61)
g214715
Figure31
Enginespeedat
maximumtorque+
200rpm
Thecomputer
de-ratestheengine
powerto50%.
CheckEngine
SPN3251,FMI0
36

TypesofDieselParticulateFilterRegeneration
Typesofdieselparticulatelterregenerationthatareperformedwhilethemachineisoperating:
TypeofRegenerationConditionsthatcauseDPFregenerationDPFdescriptionofoperation
Passive
Assist
Reset
Occursduringnormaloperationofthemachineat
high-enginespeedorhigh-engineload
Occursbecauseoflow-enginespeed,low-engine
load,orafterthecomputerdetectstheDPFis
becomingobstructedwithsoot
Occursevery100hours
Alsooccursafterassistregenerationonlyifthe
computerdetectsthatassistregenerationdidnot
sufcientlyreducethesootlevel
•TheInfoCenterdoesnotdisplayaniconindicating
passiveregeneration.
•Duringpassiveregeneration,theDPFprocesses
high-heatexhaustgasses,oxidizingharmful
emissions,andburningsoottoash.
RefertoPassiveDPFRegeneration(page39).
•TheInfoCenterdoesnotdisplayaniconindicating
assistregeneration.
•Duringassistregeneration,theenginecomputer
adjuststheenginesettingstoraisetheexhaust
temperature.
RefertoAssistDPFRegeneration(page40).
•Whenthehighexhaust-temperatureicon
isdisplayedintheInfoCenter,aregenerationisin
progress.
•Duringresetregeneration,theenginecomputer
adjuststheenginesettingstoraisetheexhaust
temperature.
RefertoResetRegeneration(page40).
Typesofdieselparticulatelterregenerationthatrequireyoutoparkthemachine:
TypeofRegenerationConditionsthatcauseDPFregenerationDPFdescriptionofoperation
Parked
Occursbecausethecomputerdetectsback
pressureintheDPFduetosootbuildup
Alsooccursbecausetheoperatorinitiatesaparked
regeneration
MayoccurbecauseyousettheInfoCentertoinhibit
resetregenerationandcontinuedoperatingthe
machine,addingmoresootwhentheDPFalready
needsaresetregeneration
Mayresultfromusingtheincorrectfuelorengineoil
•Whenthereset-standby/parkedorrecovery
regenerationiconorADVISORY#188
displaysintheInfoCenter,aregenerationis
requested.
•Performtheparkedregenerationassoonas
possibletoavoidneedingarecoveryregeneration.
•Aparkedregenerationrequires30to60minutes
tocomplete.
•Youmusthaveatleasta1/4tankoffuelinthe
tank.
•Youmustparkthemachinetoperformaparked
regeneration.
RefertoParkedorRecoveryRegeneration(page
42).
37

Typesofdieselparticulatelterregenerationthatrequireyoutoparkthemachine:(cont'd.)
TypeofRegenerationConditionsthatcauseDPFregenerationDPFdescriptionofoperation
Recovery
Occursbecausetheoperatorignoredrequestsfor
aparkedregenerationandcontinuedoperatingthe
machine,addingmoresoottotheDPF
•Whenthereset-standby/parkedorrecovery
regenerationiconorADVISORY#190
displaysintheInfoCenter,arecoveryregeneration
isrequested.
•Arecoveryregenerationrequiresupto3hours
tocomplete.
•Youmusthaveatleasta1/2tankoffuelinthe
machine.
•Youmustparkthemachinetoperformarecovery
regeneration.
RefertoParkedorRecoveryRegeneration(page
42).
AccessingtheDPFRegeneration
Menus
AccessingtheDPFRegenerationMenus
1.AccesstheServicemenu,pressthecenter
buttontoscrolldowntotheDPFREGENERATION
option(Figure32).
UsetheLASTREGENeldtodeterminehowmany
hoursyouhaveruntheenginesincethelastreset,
parked,orrecoveryregeneration.
g224693
Figure33
Figure32
2.PresstherightbuttontoselecttheDPF
Regenerationentry(Figure32).
TimeSinceLastRegeneration
AccesstheDPFRegenerationmenu,pressthecenter
buttontoscrolldowntotheLASTREGENeld(Figure
33).
g227667
TechnicianMenu
Important:Foroperatingconvenience,you
maydecidetoperformaparkedregeneration
beforethesootloadreaches100%,provided
theenginehasrunmorethan50hourssince
thelastsuccessfulreset,parked,orrecovery
regeneration.
Usethetechnicianmenutoviewthecurrentstateof
engineregenerationcontrolandviewthereported
sootlevel.
AccesstheDPFRegenerationmenu,pressthecenter
buttontoscrolldowntotheTECHNICIANoption,and
38

presstherightbuttontoselecttheT echnicianentry
(Figure34).
DPFOperationTable(cont'd.)
Figure34
•UsetheDPFoperationtabletounderstandthe
currentstateofDPFoperation(Figure35).
State
ResetRegenTheenginecomputerisrunningareset
ParkedStby
ParkedRegenYouinitiatedaparkedregeneration
Recov.Stby
Recov.RegenY ouinitiatedarecoveryregeneration
g227348
•Viewthesootloadwhichismeasuredasthe
percentageofsootintheDPF(Figure36);referto
Description
regeneration.
Theenginecomputerisrequestingthat
yourunaparkedregeneration.
requestandtheenginecomputeris
processingtheregeneration.
Theenginecomputerisrequestingthat
yourunarecoveryregeneration.
requestandtheenginecomputeris
processingtheregeneration.
thesoot-loadtable.
Note:Thesootloadvaluevariesasthemachine
isoperatedandDPFregenerationoccurs.
.
DPFOperationTable
State
NormalTheDPFisinnormal-operating
AssistRegen
ResetStby
Figure35
Description
mode—passiveregeneration.
Theenginecomputerisperformingan
assistregeneration.
Theengine
computeristrying
torunareset
regeneration,but
1ofthefollowing
conditionsprevents
regeneration:
Theregeninhibit
settingissettoON.
Theexhaust
temperature
istoolowfor
regeneration.
g227359
Figure36
Soot-LoadTable
ImportantSootLoadValuesRegenerationState
0%to5%
78%Theenginecomputerperforms
g227360
100%
122%
Minimumsootloadrange
anassistregeneration.
Theenginecomputer
automaticallyrequestsa
parkedregeneration.
Theenginecomputer
automaticallyrequestsa
recoveryregeneration.
PassiveDPFRegeneration
•Passiveregenerationoccursaspartofnormal
engineoperation.
•Whileoperatingthemachine,runtheengineat
full-enginespeedandhighloadwhenpossibleto
promoteDPFregeneration.
39

AssistDPFRegeneration
•Theenginecomputeradjustsenginesettingsto
raisetheexhausttemperature.
•Whileoperatingthemachine,runtheengineat
fullenginespeedandhighloadwhenpossibleto
promoteDPFregeneration.
ResetRegeneration
•TheicondisplaysintheInfoCenterwhilethereset
regenerationisprocessing.
•Wheneverpossible,donotshutofftheengineor
reduceenginespeedwhiletheresetregeneration
isprocessing.
Important:Wheneverpossible,allowthe
machinetocompletetheresetregeneration
processbeforeshuttingofftheengine.
CAUTION
Theexhausttemperatureishot(approximately
600°C(1,112°F)duringDPFregeneration.Hot
exhaustgascanharmyouorotherpeople.
•Neveroperatetheengineinanenclosed
area.
•Makesurethattherearenoammable
materialsaroundtheexhaustsystem.
•Nevertouchahotexhaustsystem
component.
•Neverstandnearoraroundtheexhaust
pipeofthemachine.
PeriodicResetRegeneration
IftheenginehasnotcompletedasuccessfulReset,
Parked,orRecoveryregenerationintheprevious100
hoursofengineoperation,theenginecomputerwill
attempttoperformaresetregeneration.
SettingtheInhibitRegen
ResetRegenerationOnly
Note:IfyousettheInfoCentertoinhibitregeneration,
theInfoCenterdisplaysADVISORY#185(Figure38)
every15minuteswhiletheenginerequestsareset
regeneration.
g224692
Figure38
Aresetregenerationproducestheelevatedengine
exhaust.Ifyouareoperatingthemachinearound
trees,brush,tallgrass,orothertemperature-sensitive
plantsormaterials,youcanusetheInhibitRegen
settingtopreventtheenginecomputerfrom
performingaresetregeneration.
Figure37
•Thehighexhaust-temperatureicondisplays
intheInfoCenter(Figure37).
•Theenginecomputeradjustsenginesettingsto
raisetheexhausttemperature.
Important:Thehighexhaust-temperature
iconindicatesthattheexhausttemperature
dischargedfromofyourmachinemaybe
hotterthanduringregularoperation.
•Whileoperatingthemachine,runtheengineat
fullenginespeedandhighloadwhenpossibleto
promoteDPFregeneration.
g224417
Important:Whenyoushutofftheengineand
startitagain,theinhibitregensettingdefaultsto
OFF.
1.AccesstheDPFRegenerationmenu,pressthe
centerbuttontoscrolldowntotheINHIBITREGEN
option,andpresstherightbuttontoselectthe
InhibitRegenentry(Figure39).
40

Figure39
g227304
Figure41
g224394
2.Presstherightbuttontochangetheinhibit
regenerationsettingfromOntoOff(Figure39)
orfromOfftoOn(Figure40).
Figure40
AllowingaResetRegeneration
TheInfoCenterdisplaysthehighexhaust-temperature
icon
whentheresetregenerationisinprocess.
Note:IfINHIBITREGENissettoON,theInfoCenter
displaysADVISORY#185(Figure41).Pressbutton3
tosetinhibitregenerationsettingtoOFFandcontinue
withtheresetregeneration.
Note:Iftheengineexhausttemperatureistoolow,
theInfoCenterdisplaysADVISORY#186(Figure42)to
informyoutosettheenginetofullthrottle(highidle).
g224691
g224395
Figure42
Note:Whentheresetregenerationcompletes,the
highexhaust-temperature
InfoCenterscreen.
disappearsfromthe
41

ParkedorRecoveryRegeneration
•Whentheenginecomputerrequestseithera
parkedregenerationorarecoveryregeneration,
theregenerationrequesticon(Figure43)displays
intheInfoCenter.
Figure43
•Themachinedoesnotautomaticallyperforma
parkedregenerationorarecoveryregeneration,
youmustruntheregenerationthroughthe
InfoCenter.
ParkedRegenerationMessages
regenerationrequired—powertakeoffdisabled
ADVISORY#189(Figure46).
g224398
Figure46
Important:Performaparkedregenerationto
restorethePTOfunction;refertoPreparingto
PerformaParkedorRecoveryRegeneration
(page43)andPerformingaParkedorRecovery
Regeneration(page43).
Note:TheHomescreendisplaysthePTO
disabledIcon(Figure47).
g224404
g224415
Figure47
Whenaparkedregenerationisrequestedbythe
enginecomputerthefollowingmessagesdisplayin
theInfoCenter:
•EnginewarningSPN3720,FMI16(Figure44)
Figure44
•ParkedregenerationrequiredADVISORY#188
(Figure45)
Note:Advisory#188displaysevery15minutes.
Figure45
RecoveryRegenerationMessages
Whenarecoveryregenerationisrequestedbythe
enginecomputer,thefollowingmessagesdisplayin
theInfoCenter:
•EnginewarningSPN3719,FMI:0(Figure48)
g213863
g213867
Figure48
•Recoveryregenerationrequired—powertakeoff
disabledADVISORY#190(Figure49)
g224397
•Ifyoudonotperformaparkedregeneration
within2hours,theInfoCenterdisplaysparked
g224399
Figure49
42

Important:Performarecoveryregeneration
torestorethePTOfunction;refertoPreparing
toPerformaParkedorRecoveryRegeneration
(page43)andPerformingaParkedorRecovery
Regeneration(page43).
Note:TheHomescreendisplaysthePTOdisabled
Icon;refertoFigure47inParkedRegeneration
Messages(page42).
DPFStatus-Limitation
•Iftheenginecomputerrequestsarecovery
regenerationorisprocessingarecovery
regenerationandyouscrolldowntothePARKED
REGENoption,parkedregenerationlocksandthe
lockicon(Figure50)appearsinthelowerright
corneroftheInfoCenter.
2.Movethemachineoutsidetoanareaawayfrom
combustiblematerials.
3.Parkthemachineonalevelsurface.
4.Ensurethatthetractioncontrolormotion-control
leversareintheNEUTRALposition.
5.Ifapplicable,shutoffthePTO,andlowerthe
cuttingunitsoraccessories.
6.Engagetheparkingbrake.
7.SetthethrottletothelowIDLEposition.
PerformingaParkedorRecovery
Regeneration
CAUTION
Theexhausttemperatureishot(approximately
600°C(1,112°F)duringDPFregeneration.Hot
exhaustgascanharmyouorotherpeople.
•Neveroperatetheengineinanenclosed
area.
Figure50
•Iftheenginecomputerhasnotrequesteda
recoveryregenerationandyouscrolldown
totheRECOVERYREGENoption,therecovery
regenerationlocksandthelockicon(Figure51)
appearsinthelowerrightcorneroftheInfoCenter.
Figure51
PreparingtoPerformaParkedorRecovery
Regeneration
•Makesurethattherearenoammable
g224625
materialsaroundtheexhaustsystem.
•Nevertouchahotexhaustsystem
component.
•Neverstandnearoraroundtheexhaust
pipeofthemachine.
Important:Thecomputerofthemachinecancels
DPFregenerationifyouincreasetheenginespeed
fromlowidleorreleasetheparkingbrake.
1.AccesstheDPFRegenerationmenu,press
thecenterbuttontoscrolldowntoeitherthe
PARKEDREGENST ARToptionortheRECOVERY
REGENSTARToption(Figure52),andpressthe
rightbuttontoselectthestarttheregeneration
(Figure52).
g224628
1.Ensurethatthemachinehasfuelinthetankfor
thetypeofregenerationyouareperforming:
•ParkedRegeneration:Ensurethatyou
have1/4tankoffuelbeforeperformingthe
parkedregeneration.
•RecoveryRegeneration:Ensurethatyou
have1/2tankoffuelbeforeperformingthe
recoveryregeneration.
43

Figure52
3.AttheDPFchecklistscreen,verifythatthe
parkingbrakeisengagedandthattheengine
speedissettolowidle(Figure54).
g224402
g224407
g224629
2.AttheVERIFYFUELLEVELscreen,verifythatyou
have1/4tankoffuelifyouareperformingthe
parkedregenerationor1/2tankoffuelifyouare
performingtherecoveryregeneration,andpress
therightbuttontocontinue(Figure53).
g227679
Figure54
4.AttheINITIATEDPFREGENscreen,pressthe
rightbuttontocontinue(Figure55).
g224414
g224626
Figure53
g227678
g224630
Figure55
44

5.TheInfoCenterdisplaystheINITIA TINGDPF
REGENmessage(Figure56).
Figure56
6.TheInfoCenterdisplaysthetimetocomplete
message(Figure57).
CheckMessageandCorrectiveActionTable
(cont'd.)
g224411
CorrectiveAction:Startandruntheengine.
g227681
CorrectiveAction:Runtheenginetowarmthecoolant
temperatureto60°C(140°F).
Figure57
7.Theenginecomputercheckstheenginestate
andfaultinformation.TheInfoCentermay
displaythefollowingmessagesfoundinthe
tablethatfollows:
CheckMessageandCorrectiveActionT able
CorrectiveAction:Exittheregenerationmenuandrunthe
machineuntilthetimesincelastregenerationisgreaterthan
50hours;refertoTimeSinceLastRegeneration(page38).
g224406
g224406
CorrectiveAction:Changetheenginespeedtolowidle.
CorrectiveAction:Troubleshoottheenginecomputer
conditionandretryDPFregeneration.
8.TheInfoCenterdisplaysthehomescreenand
theregenerationacknowledgeicon(Figure58)
appearsinthelowerrightcornerofthescreen
astheregenerationprocesses.
g224403
Figure58
CorrectiveAction:Troubleshoottheenginefaultandretry
DPFregeneration.
Note:WhiletheDPFregeneration
runs,theInfoCenterdisplaysthehigh
exhaust-temperatureicon.
9.Whentheenginecomputercompletesa
parkedorrecoveryregeneration,theInfoCenter
45

displaysADVISORY#183(Figure59).Pressthe
leftbuttontoexittothehomescreen.
Figure59
CancelingaParkedorRecoveryRegeneration
UsetheParkedRegenCancelorRecoveryRegen
Cancelsettingtocancelarunningparkedorrecovery
regenerationprocess.
1.AccesstheDPFRegenerationmenu(Figure
61).
g224392
Note:Iftheregenerationfailstocomplete,the
InfoCenterdisplaysAdvisory#184(Figure59).
Presstheleftbuttontoexittothehomescreen.
Figure60
g227305
Figure61
2.Pressthecenterbuttontoscrolldowntothe
PARKEDREGENCANCEL(Figure61)orthe
RECOVERYREGENCANCELoption(Figure62).
g224393
g227306
Figure62
3.PresstherightbuttontoselecttheRegen
Cancelentry(Figure61orFigure62).
46

Understandingthe
Operatingthe
OperatingCharacteristics
oftheMachine
Practicedrivingthemachine,becauseithasa
hydrostatictransmissionanditscharacteristics
maydifferfromotherturf-maintenancemachines.
Somepointstoconsiderwhenoperatingthetraction
unit,cuttingunit,orotherimplementsarethatthe
transmission,enginespeed,andtheloadonthe
mowerbladesorotherimplementsaffectmachine
performance.
WithT oroSmartPower™,theoperatordoesnothave
tolistentotheenginespeedinheavyloadconditions.
SmartPowerpreventstheenginefrombogging
downinheavycuttingconditionsbyautomatically
controllingthemachinespeedandoptimizingcutting
performance.
Youcanusethebrakestoassistinturningthe
machine.However,usethemcarefully,especially
onsoftorwetgrass,becausetheturfmaybetorn
accidentally.Anotherbenetofthebrakesisto
maintaintraction.Forexample,insomeslope
conditions,theuphillwheelslipsandlosestraction.
Ifthissituationoccurs,presstheuphillbrakepedal
graduallyandintermittentlyuntiltheuphillwheelstops
slipping,Thisactionincreasesthetractiononthe
downhillwheel.
Engine-CoolingFan
Theenginecoolingfanisnormallycontrolledbythe
machine.Themachinehastheabilitytoreverse
thefantoblowdebrisofftherearscreen.Under
normaloperatingconditions,themachinecontrols
thefanspeedanddirectionbasedoncoolantand
hydraulic-uidtemperature,andthefanautomatically
reversesdirectiontoblowdebrisofftherearscreen.
Youcanmanuallyreversethefanbypressingthe2
outerbuttonsoftheInfoCenterfor2seconds—thefan
completesamanuallyinitiatedreversecycle.Reverse
thefanwhentherearscreeniscloggedorpriorto
movingthemachineintotheshoporastoragearea.
g036843
Important:Allowtheenginetoidlefor5minutes
beforeshuttingitoffafterafull-loadoperation.
Thisallowstheturbochargertocooldownbefore
shuttingtheengineoff.Failuretodosomaylead
toturbo-chargertrouble.
Beforeshuttingofftheengine,disengageallcontrols
andsettheenginespeedtoslow.Settingtheengine
speedtoslowreduceshighenginerpm,noise,and
vibration.TurnthekeytotheOFFpositiontoshutoff
theengine.
g036844
Figure63
47

UsingCruiseControl
Thecruise-controlswitchlocksinthepedalpositionto
maintainthedesiredgroundspeed.Pressingtherear
oftheswitchturnsthecruisecontroloff,themiddle
positionoftheswitchenablesthecruise-control
function,andthefrontoftheswitchsetsthedesired
groundspeed.
Note:Pressingeitherthebrakepedalormovingthe
tractionpedalintotheREVERSEposition,for1second,
alsodisengagesthepedalposition.
UsingtheTransport
Latches
Groundsmaster4700Only
Usethe2rear-transportlatchesfortheNo.6and
7cuttingunitswhenmovingthemachineoverlong
distances,roughterrain,whentransporting,orstoring
themachine.
OperatingTips
OperatingtheMachine
•Starttheengine.IftheAUTOIDLEfunctionis
turnedoff,runitatHALFIDLEuntilitwarmsup.
RuntheengineatHIGHIDLE,liftthecuttingunits,
disengagetheparkingbrake,presstheforward
tractionpedal,andcarefullydrivetoanopenarea.
•Practicemovingforwardandreverse,andstarting
andstoppingthemachine.Tostopthemachine,
removeyourfootfromthetractionpedalandletit
returntoNEUTRALorpressdownonthereverse
pedal.
Note:Whengoingdownhillinthemachine,you
mayneedtousethereversepedaltostop.
•Practicedrivingaroundobstacleswiththecutting
unitsupanddown.Becarefulwhendriving
betweennarrowobjectssothatyoudonotdamage
themachineorcuttingunits.
•Alwaysdriveslowlyinroughareas.
•Ifanobstacleisintheway,liftthecuttingunitsto
mowaroundit.
•Whentransportingthemachinefrom1work
areatoanother,raisethecuttingunitstothe
fullyupwardposition,shutoffthePTO,pressthe
mow/transportswitchtotheTRANSPORTposition,
andpressuptheengine-speedswitchtosetthe
enginetohigh-idlespeed.
Figure64
ChangingMowingPatterns
Changemowingpatternsoftentominimizeapoor
after-cutappearancefromrepeatedlymowinginthe
samedirection.
UnderstandingCounterbalance
Thecounterbalancesystemmaintainshydraulic
backpressureonthecuttingunit-liftcylinders.This
counterbalancepressuretransferscutting-unitweight
tothemachinedrivewheelstoimprovetraction.The
counterbalancepressurehasbeensetatthefactory
toanoptimalbalanceofafter-cutappearanceand
tractioncapabilityinmostturfconditions.Decreasing
thecounterbalancesettingcanproduceamore
g038610
stablecuttingunitbutcandecreasethetraction
capability.Increasingthecounterbalancesetting
canincreasethetractioncapability,butmayresult
inapoorafter-cutappearance;refertoSettingthe
Counterbalance(page22).
ResolvingAfter-CutAppearance
RefertotheAfter-cutAppearanceT roubleshooting
Guideavailableatwww.T oro.com.
48

UsingProperMowingTechniques
•Tobegincutting,engagethecuttingunits,then
approachthemowingareaslowly.Oncethefront
cuttingunitsareoverthemowingarea,lowerthe
cuttingunits.
•Toachievetheprofessionalstraight-linecutand
stripingthatisdesirableforsomeapplications,nd
atreeorotherobjectinthedistanceanddrive
straighttowardit.
•Assoonasthefrontcuttingunitsreachtheedgeof
themowingarea,liftthecuttingunits,andperform
ateardrop-shapedturntoquicklylineupforyour
nextpass.
•Bolt-inmulchingbafesareavailableforthe
cuttingunits.Themulchingbafesperformwell
whenyoumaintainturfonaregularschedule
toavoidremovingmorethan25mm(1inch)of
growthpercutting.Whenyoucuttoomuchgrowth
withthemulchingbafesinstalled,theafter-cut
appearancemaydeteriorateandtheobserved
powertocuttheturfincreases.Themulching
bafesalsoperformwellforshreddingleavesin
thefall.
SelectingtheProperHeight-of-Cut
SettingtoSuitConditions
Removenomorethanapproximately25mm(1inch),
or1/3ofthegrassbladewhencutting.Inexceptionally
lushanddensegrass,youmayneedtoraiseyour
height-of-cutsetting.
anddamagetothesealsandbearingscaused
byexcessivewaterpressure.Ensurethatthe
radiatorandoilcoolerarekeptfreeofdirtorgrass
clippings.Aftercleaning,inspectthemachinefor
possiblehydraulic-uidleaks,damage,orweartothe
hydraulicandmechanicalcomponents,andcheckthe
cutting-unitbladesforsharpness.
UnderstandingtheTurnaround
Mode
Theturnaroundmodeallowsyouconvenient,1-touch
controltoraisethecuttingunitsabovetheturfwhile
temporarilystoppingtheblades,allowingyoutofocus
ondrivingthemachineattheendofamowingpass,
orwhilenavigatingotherobstacles.
•SettheturnaroundmodetotheONpositionby
momentarilypressingtheliftswitchrearward
(Figure11),whichautomaticallyraisesallcutting
unitsfromtheoatpositiontoapresetheightand
disengagesthePTO.Toresumemowing,press
theliftswitchforward.Allcuttingunitslower,and
thePTOstartsagain.
•SettingtheturnaroundmodetotheOFFposition
allowsyoutomanuallyraisethecuttingunits
fromtheoatpositionbypressingandholding
allliftswitchesrearwarduntilthecuttingunits
raisetothedesiredheight.ForGroundsmaster
4700machines,pressall3liftswitchestoraise
all7cuttingunits(Figure11).ThePTOdoesnot
disengageuntilthecuttingunitsraisetothesame
presetheighttowhichthecuttingunitsraisewhen
theturnaround-modeissettoON.
MowingwithSharpBlades
Asharpbladecutscleanlyandwithouttearingor
shreddingthegrassbladeslikeadullblade.Tearing
andshreddingcausesthegrasstoturnbrownat
theedges,whichimpairsgrowthandincreases
susceptibilitytodiseases.Ensurethatthebladeisin
goodconditionandthatthereisafullsail.
CheckingtheConditionofthe
CuttingUnit
Ensurethatthecuttingchambersareingood
condition.Straightenanybendsinthechamber
componentstoensurecorrectbladetip/chamber
clearance.
MaintainingtheMachineafter
Mowing
Aftermowing,thoroughlywashthemachinewitha
gardenhosewithnonozzletoavoidcontamination
Note:Bydefault,theturnaroundmodeisactive.
49

AfterOperation
SecuringtheCuttingUnits
1.EnsurethatthePTOisdisengaged.
GeneralSafety
•Shutofftheengine,removethekey(ifequipped),
andwaitforallmovementtostopbeforeyouleave
theoperator’sposition,Allowthemachinetocool
beforeadjusting,servicing,cleaning,orstoringit.
•Cleangrassanddebrisfromthecuttingunits,
mufers,andenginecompartmenttohelpprevent
res.Cleanupoilorfuelspills.
•Ifthecuttingunitsareinthetransportposition,use
thepositivemechanicallock(ifavailable)before
youleavethemachineunattended.
•Allowtheenginetocoolbeforestoringthemachine
inanyenclosure.
•Removethekeyandshutoffthefuel(ifequipped)
beforestoringorhaulingthemachine.
•Neverstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such
asonawaterheateroronotherappliances.
•Maintainandcleantheseatbelt(s)asnecessary
UsingtheCutting-Unit
2.Parkthemachineonalevelsurface.
3.Engagetheparkingbrake.
4.Fullyraisethecuttingunits.
5.Alignthelanyardtothecarriershaftofthelift
armfortheforwardouter-cuttingunit(Figure66).
StorageLanyard
Usethecutting-unitstoragelanyardstopreventthe
forwardoutercuttingunitsfromsettlingwhenthe
machineisparkedovernightorifitisbeingstoredfor
anextensiveperiod.Youcanalsousethecutting-unit
storagelanyardstopreventthecuttingunitsfrom
oatingwhilethemachineistransportingbetween
mowingtasks.
Figure66
1.Carrier-shaftgroove
(forwardouter-liftarm)
6.Sliptheloopinthelanyardoverthecarriershaft
untilthelanyardisfullyseatedinthegroovein
theshaft(Figure66).
7.Repeatsteps5and6fortheforward
outer-cuttingunitattheothersideofthe
machine.
2.Lanyardloop
Important:Removethelanyardsfromthecarrier
shaftsbeforeloweringthecuttingunits
StowingtheLanyards
Note:Stowthelanyardswhenyouarenotusing
them.
g225483
Figure65
g225484
1.EnsurethatthePTOisdisengaged.
2.Parkthemachineonalevelsurface.
3.Engagetheparkingbrake.
50

4.Withthecuttingunitslowered,sliptheloopof
thelanyardintotheslotinthereinforcement
plateoftherollersupport(Figure67).
Figure67
2.Rotateeachvalve3turnscounter-clockwiseto
openandallowtheuidtobypassinternally.
Note:Donotopenthevalvemorethan3
turns.Becauseuidisbypassed,themachine
canbeslowlymovedwithoutdamagingthe
transmission.
g036666
g225485
1.Reinforcement-plateslot
(rollersupport)
2.Lanyardloop
HaulingtheMachine
•Removethekeyandshutoffthefuel(ifequipped)
beforestoringortransportingthemachine.
•Usecarewhenloadingorunloadingthemachine
intoatraileroratruck.
•Usefull-widthrampsforloadingthemachineinto
atraileroratruck.
•Tiethemachinedownsecurely.
PushingorTowingthe
Machine
Inanemergency,youcanmovethemachine
forwardbyactuatingthebypassvalveinthe
variable-displacementhydraulicpumpandpushingor
towingthemachine.
Important:Donotpushortowthemachinefaster
than3to4.8km/h(2to3mph).Ifyoupushortow
atafasterspeed,internaltransmissiondamage
mayoccur.
Thebypassvalvesmustbeopenwheneveryou
pushortowthemachine.
1.Openthehoodandlocatethebypassvalves
(Figure68)onthetopofpump,behindthe
battery/storageboxes.
g020510
Figure68
1.Bypassvalve(2)
3.Pushortowthemachineforward.
Important:Ifyoumustpushortowthe
machineinreverse,refertotheReverseTow
Kit(PartNo.136-3620).
4.Finishpushingortowingthemachineandclose
thebypassvalve.T orquethevalveto70N∙m
(52ft-lb).
51

LocatingtheTie-Down
Points
Note:Useproperly-ratedDOT-approvedstrapsin4
cornerstotiedownthemachine.
•Oneachsideoftheframebytheoperator’s
platform
•Ontherearbumper
Figure69
g208989
Figure70
g036665
52

Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
Important:Refertoyourengineowner’smanualforadditionalmaintenanceprocedures.
Important:Ifyouareperformingmaintenanceonthemachineandruntheenginewithanengine
exhaust-extractionduct,settheinhibitregensettingtoON;refertoSettingtheInhibitRegen(page40).
Note:Downloadafreecopyoftheelectricalorhydraulicschematicbyvisitingwww.Toro.comandsearching
foryourmachinefromtheManualslinkonthehomepage.
MaintenanceSafety
•Beforeyouleavetheoperator’sposition,dothe
following:
–Parkthemachineonalevelsurface.
–Disengagethepowertakeoffandlowerthe
attachments.
–Engagetheparkingbrake.
–Shutofftheengineandremovethekey(if
equipped).
–Waitforallmovementtostop.
•Allowmachinecomponentstocoolbefore
performingmaintenance.
•Ifthecuttingunitsareinthetransportposition,use
thepositivemechanicallock(ifequipped)before
youleavethemachineunattended.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
Afterthersthour
MaintenanceProcedure
•Torquethewheellugnuts.
•Ifpossible,donotperformmaintenancewhilethe
engineisrunning.Keepawayfrommovingparts.
•Supportthemachinewithjackstandswhenever
youworkunderthemachine.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Keepallpartsofthemachineingoodworking
conditionandallhardwaretightened,especially
blade-attachmenthardware.
•Replaceallwornordamageddecals.
•Toensuresafe,optimalperformanceofthe
machine,useonlygenuineT ororeplacement
parts.Replacementpartsmadebyother
manufacturerscouldbedangerous,andsuchuse
couldvoidtheproductwarranty .
Aftertherst10hours
Aftertherst50hours
Aftertherst200hours
Beforeeachuseordaily
Every50hours
Every100hours
•Torquethewheellugnuts.
•Changethefrontplanetary-gearoil.
•Changetherear-axlelubricant.
•Checkthetirepressure.
•Checktheinterlockswitches.
•Checkthebladestoppingtime.
•Checktheengine-oillevel.
•Drainwaterorothercontaminantsfromthefuellter/waterseparator
•Checktherearaxleandrear-axlegearboxforleaks.
•Checklevelofcoolantatthebeginningofeachday.
•Removedebrisfromtheenginearea,oilcooler,andradiator(cleanthemmore
frequentlyindirtyconditions).
•Checkthehydraulic-uidlevel.
•Inspectthehydrauliclinesandhosesforleaks,kinkedlines,loosemounting
supports,wear,loosettings,weatherdeterioration,andchemicaldeterioration.
•Cleanthemachine.
•Cleanandmaintaintheseatbelt.
•Greasethebearingsandbushings(alsoaftereverywashing).
•Checkthebatterycondition.
•Checktheconditionandtensionofthealternatorbelt.
53

MaintenanceService
Interval
MaintenanceProcedure
Every200hours
Every250hours
Every400hours
Every800hours
Every1,000hours
Every2,000hours
•Torquethewheellugnuts.
•Changetheengineoilandlter.
•Servicetheaircleaner(earlieriftheaircleanerindicatorshowsred,andmore
frequentlyinextremelydirtyordustyconditions).
•Inspectthefuellinesandconnections.
•Replacethefuel-ltercanister.
•Replacetheenginefuellter.
•Checkforend-playintheplanetarydrives.
•Checktheplanetary-gear-driveoillevel(checkifyounoticeexternalleakage).
•Checktherear-axlelubricant.
•Checktherear-axle-gear-boxlubricant.
•Drainandcleanthefueltank.
•Changethefrontplanetary-gearoiloryearly,whichevercomesrst.
•Changetherear-axlelubricant.
•Checktherearwheeltoe-in.
•Ifyouarenotusingtherecommendedhydraulicuidorhaveeverlledthereservoir
withanalternativeuid,changethehydraulicuid.
•Ifyouarenotusingtherecommendedhydraulicuidorhaveeverlledthereservoir
withanalternativeuid,replacethehydrauliclter(sooneriftheserviceinterval
indicatorisintheredzone).
•Ifyouareusingtherecommendedhydraulicuid,replacethehydrauliclter(sooner
iftheserviceintervalindicatorisintheredzone).
•Ifyouareusingtherecommendedhydraulicuid,changethehydraulicuid.
•Disassemble,clean,andassemblethesootlteroftheDPForcleanthesootlter
Every6,000hours
Beforestorage
Every2years
ifenginefaultsSPN3251FMI0,SPN3720FMI0,orSPN3720FMI16displayinthe
InfoCenter.
•Drainandcleanthefueltank.
•Checkthetirepressure.
•Checkallfasteners.
•Greaseoroilallgreasettingsandpivotpoints.
•Paintchippedsurfaces.
•Drainandushthehydraulictank.
•Replacethehydraulichoses.
CAUTION
Ifyouleavethekeyinthekeyswitch,someonecouldaccidentlystarttheengineandseriously
injureyouorotherbystanders.
Removethekeybeforeyoudoanymaintenance.
DailyMaintenanceChecklist
Duplicatethispageforroutineuse.
Fortheweekof:
MaintenanceCheckItem
Checkthesafety-interlock
operation.
Checkthebrakeoperation.
Checktheengine-oillevel.
Checkthe
cooling-system-uidlevel.
MondayTuesdayWednesdayThursdayFriday
SaturdaySunday
54

Fortheweekof:
MaintenanceCheckItem
Drainthewater/fuel
separator.
Checktheairlter,dustcup,
andburpvalve.
Checkforunusualengine
1
noises.
Checktheradiatorand
screenfordebris
Checkforunusualoperating
noises.
Checkthehydraulic-uid
level.
Checkthehydraulichoses
fordamage.
Checkforuidleaks.
Checkthefuellevel.
Checkthetirepressure.
Checktheinstrument
operation.
Checktheheight-of-cut
adjustment.
Lubricateallthegrease
2
ttings.
Cleanthemachine.
Touchupanydamaged
paint.
1
Checktheglowplugandinjectornozzlesifstartingishard,thereisexcesssmoke,orroughrunningisnoted.
2
Immediatelyaftereverywashing,regardlessoftheintervallisted.
MondayTuesdayWednesdayThursdayFriday
SaturdaySunday
Important:Refertoyourengineoperator’smanualforadditionalmaintenanceprocedures.
NotationforAreasofConcern
Inspectionperformedby:
ItemDate
Pre-Maintenance
Procedures
LiftingtheMachine
Usethefollowingaspointstoliftthemachine:
Frontofthemachine—attheframeofthemachine,
forwardofthewheel-drivemotors(Figure71)
Important:Donotsupportthemachineatthe
wheel-drivemotors.Keeptheliftingequipment
clearofhydraulictubingandhoses.
Information
55

Figure71
Rearofthemachine—atthecenteroftheaxle
(Figure72)
OpeningtheHood
TiltthehoodtoaccessthechassisasshowninFigure
73.
g036670
Locatethejackstandsofthespeciedcapacityatboth
sidesofthegearcaseandundertheaxle.
Important:Donotsupportthemachineatthetie
rod.
Figure72
g036674
Figure73
g036671
56

AccessingtheHydraulic
LiftCompartment
Lubrication
Tilttheseattoaccessthehydraulicliftcompartment
asshowninFigure74.
GreasingtheBearingsand
Bushings
ServiceInterval:Every50hours(alsoafterevery
washing).
Greasespecication:No.2lithiumgrease
Thegreasettinglocationsandquantitiesareas
follows:
•Brake-shaftpivotbearings(5)asshowninFigure
75
g009704
Figure75
Figure74
•Rear-axle-pivotbushings(2)asshowninFigure
g036706
76)
g009705
Figure76
57

•Steering-cylinderballjoints(2)asshowninFigure
77
Figure77
•Cutting-unitspindle-shaftbearings(2percutting
unit)asshowninFigure79
Note:Youcanuseeithertting,whicheveris
moreaccessible.Pumpgreaseintothetting
untilasmallamountappearsatthebottomofthe
spindlehousing(underthecuttingunit).
g009708
g009706
Figure79
1.T opttingonkingpin
•Tie-rodballjoints(2)asshowninFigure77
•Kingpinbushings(2)asshowninFigure77
Important:Lubricatethetopttingonthe
kingpinnomorethanannually(2pumps).
•Lift-armbushings(1percuttingunit)asshownin
Figure78
•Cutting-unitcarrier-armbushings(1percutting
unit)asshowninFigure79
•Rearrollerbearings(2percuttingunit)asshown
inFigure80
g005979
Figure80
Important:Makesurethatthegreasegroove
ineachrollermountalignswiththegrease
holeineachendoftherollershaft.Tohelp
alignthegrooveandthehole,thereisalsoan
alignmentmarkon1endoftherollershaft.
Figure78
•Lift-cylinderbushings(2percuttingunit)asshown
inFigure78
g009707
58

EngineMaintenance
EngineSafety
•Shutofftheengineandremovethekeybefore
checkingtheoiloraddingoiltothecrankcase.
•Donotchangethegovernorspeedoroverspeed
theengine.
ServicingtheAirCleaner
ServiceInterval:Every400hours
Checktheair-cleanerbodyfordamagewhichcould
causeanairleak.Replaceitifitisdamaged.Check
thewholeintakesystemforleaks,damage,orloose
hoseclamps.
Servicetheair-cleanerlteronlywhentheservice
indicator(Figure81)requiresit.Changingtheairlter
beforeitisnecessaryonlyincreasesthechanceof
dirtenteringtheenginewhenyouremovethelter.
g198631
Figure81
1.Air-cleanerindicator
Important:Besurethatthecoverisseated
correctlyandsealswiththeair-cleanerbody.
1.Replacetheaircleaner(Figure82).
g009709
g031861
Figure82
Note:Donotcleanausedelementbecause
cleaningitcandamagetheltermedia.
Important:Neverattempttocleanthesafety
lter(Figure83).Replacethesafetylter
afterevery3primarylterservices.
59

Figure83
1.Air-cleanersafetylter
2.Resettheindicator(Figure81)ifitshowsred.
IftheengineoillevelisabovetheFullmark,
changetheengineoil.
Thebesttimetochecktheengineoiliswhenthe
engineiscoolbeforeithasbeenstartedfortheday.
Ifithasalreadybeenrun,allowtheoiltodrainback
downtothesumpforatleast10minutesbefore
checking.IftheoillevelisatorbelowtheAddmark
onthedipstick,addoiltobringtheoilleveltotheFull
mark.Donotoverlltheenginewithoil.
Important:Keeptheengine-oillevelbetweenthe
upperandlowerlimitsonthedipstick;theengine
mayfailifyourunitwithtoomuchortoolittleoil.
Checktheengine-oillevel;refertoFigure84.
g009712
ServicingtheEngineOil
OilSpecication
Usehigh-quality,low-ashengineoilthatmeetsor
exceedsthefollowingspecications:
•APIservicecategoryCJ-4orhigher
•ACEAservicecategoryE6
•JASOservicecategoryDH-2
Important:UsingengineoilotherthanAPICJ-4
orhigher,ACEAE6,orJASODH-2maycausethe
dieselparticulateltertoplugorcauseengine
damage.
Usethefollowingengineoilviscositygrade:
•Preferredoil:SAE15W-40(above0°F)
•Alternateoil:SAE10W-30or5W-30(all
temperatures)
ToroPremiumEngineOilisavailablefromyour
authorizedTorodistributorineither15W-40or10W-30
viscositygrades.SeethePartsCatalogforpart
numbers.
CheckingtheEngine-OilLevel
g198647
g031256
Figure84
ServiceInterval:Beforeeachuseordaily
Theengineisshippedwithoilinthecrankcase;
however,theoillevelmustbecheckedbeforeand
aftertheengineisrststarted.
Important:Checktheengineoildaily.Ifthe
engine-oillevelisabovetheFullmarkonthe
dipstick,theengineoilmaybedilutedwithfuel;
Note:Whenusingdifferentoil,drainalloldoilfrom
thecrankcasebeforeaddingnewoil.
60

CrankcaseOilCapacity
Servicingthe
Approximately5.7L(6USqt)withthelter.
ChangingtheEngineOilandFilter
ServiceInterval:Every250hours
Crankcaseoilcapacity:approximately5.7L(6US
qt)withthelter.
1.Starttheengineandletitrun5minutestoallow
theoiltowarmup.
2.Parkthemachineonalevelsurface,engagethe
parkingbrake,shutofftheengine,andremove
thekey.
3.Replacetheengineoilandlter(Figure85).
Diesel-OxidationCatalyst
(DOC)andtheSootFilter
ServiceInterval:Every6,000hours—Disassemble,
clean,andassemblethesootlter
oftheDPForcleanthesootlterif
enginefaultsSPN3251FMI0,SPN
3720FMI0,orSPN3720FMI16
displayintheInfoCenter.
IfenginefaultsCHECKENGINESPN3251FMI0,CHECK
ENGINESPN3720FMI0,orCHECKENGINESPN3720FMI
16displayintheInfoCenter(Figure86),cleanthesoot
lterusingthestepsthatfollow:
g214715
Figure85
g198660
g213864
g213863
Figure86
1.RefertotheEnginesectionintheService
Manualforinformationondisassemblingand
assemblingthediesel-oxidationcatalystandthe
sootlteroftheDPF .
2.RefertoyourauthorizedT orodistributorfor
diesel-oxidationcatalystandthesootlter
replacementpartsorservice.
3.ContactyourauthorizedT orodistributortoreset
g031675
theengineECUafteryouinstallacleanDPF .
4.Addoiltothecrankcase;refertotheCrankcase
OilCapacity(page61)andCheckingthe
Engine-OilLevel(page60).
61

FuelSystem
ServicingtheFuel-Water
Maintenance
DANGER
Undercertainconditions,dieselfuelandfuel
vaporsarehighlyammableandexplosive.A
reorexplosionfromfuelcanburnyouand
othersandcancausepropertydamage.
•Useafunneltollthefueltankoutdoors,
inanopenarea,whentheengineisoffand
iscold.Wipeupanyfuelthatspills.
•Donotllthefueltankcompletelyfull.
Addfueltothefueltankuntilthelevelis6
to13mm(1/4to1/2inch)belowthebottom
ofthellerneck.Thisemptyspaceinthe
tankallowsthefueltoexpand.
•Neversmokewhenhandlingfuel,andstay
awayfromanopenameorwherefuel
fumesmaybeignitedbyaspark.
•Storefuelinaclean,safety-approved
containerandkeepthecapinplace.
Separator
g198661
Figure87
DrainingWaterfromtheFuel/Water
Separator
ServiceInterval:Beforeeachuseordaily—Drain
waterorothercontaminantsfrom
thefuellter/waterseparator
Drainwaterfromthefuel/waterseparatorasshown
in(Figure88).
DrainingtheFuelTank
ServiceInterval:Every800hours—Drainandclean
thefueltank.
Beforestorage—Drainandcleanthefueltank.
Inadditiontothelistedserviceinterval,drainandclean
thetankifthefuelsystembecomescontaminatedorif
youarestoringthemachineforanextendedperiod.
Usecleanfueltoushoutthetank.
InspectingtheFuelLines
andConnections
ServiceInterval:Every400hours/Yearly(whichever
comesrst)
Inspectthefuellinesfordeterioration,damage,or
looseconnections.
g225506
Figure88
62

ReplacingtheFuel-FilterCanister
ServicingtheFuelFilter
ServiceInterval:Every400hours—Replacethe
fuel-ltercanister.
Replacethefuel-ltercanisterasshowninFigure89.
ServiceInterval:Every400hours
1.Cleantheareaaroundthefuel-lterhead
(Figure90).
g028799
Figure90
1.Fuel-lterhead2.Fuellter
Figure89
2.Removethelterandcleanthelterhead
mountingsurface(Figure90).
3.Lubricatetheltergasketwithcleanlubricating
engineoil;refertotheengineowner'smanual
foradditionalinformation.
4.Installthedryltercanister,byhand,untilthe
gasketcontactsthelterhead,thenrotateitan
additional1/2turn.
5.Performthefollowingstepstoprimethelter
andthelinestothehighpressurepumpto
preventwearordamagetothepump:
g031412
A.CyclethekeytotheONpositionfor15to
20seconds.
B.CyclethekeytotheOFFpositionfor30to
40seconds.
Note:ThisallowstheECUtopowerdown.
C.CyclethekeytotheONpositionfor15to
20seconds.
D.Inspectforleaksaroundthelterhead.
6.Starttheengineandinspectforleaksaround
thelterheadagain.
63

CleaningtheFuel-Pickup
TubeScreen
Thefuel-pickuptube,locatedinsidethefueltank,is
equippedwithascreentohelppreventdebrisfrom
enteringthefuelsystem.Removethefuel-pickuptube
andcleanthescreenasrequired.
1.Removethehoseclampthatsecuresthefuel
supplyhosetothettingofthefuel-pickuptube
(Figure91).
1.Ensurethatfuelisinthefueltank.
2.TurntheignitionkeytotheONpositionfor10
to15seconds.
Note:Thisallowsthefuelpumptoprimethe
fuelsystem.
Important:Donotusetheenginestartermotorto
cranktheenginetoprimethefuelsystem.
Figure91
1.Fitting(fuel-pickuptube)
2.Hoseclamp
3.Fuelsupplyhose
2.Separatethehosefromthetting(Figure91).
3.Liftthefuel-pickuptubefromthefueltank
(Figure91).
4.Rubberbushing
5.Screen
Note:Liftthetubestraightfromthebushingin
thetank.
4.Cleananydebrisfromthescreenattheendof
thefuel-pickuptube(Figure91).
5.Insertthefuel-pickuptubethroughtherubber
bushingandintothetank(Figure91).
Note:Ensurethatthefuel-pickuptubeisfully
seatedintotherubberbushing.
6.Installthesupplyhoseontothettingofthe
fuel-pickuptube,andsecurethehosewiththe
hoseclampthatyouremovedinstep1.
g036687
PrimingtheFuelSystem
Primethefuelsystembeforestartingtheenginefor
thersttime,afterrunningoutoffuel,orafterfuel
systemmaintenance(e.g.,drainingthelter/water
separator,replacingafuelhose).
Toprimethefuelsystem,performthefollowingsteps:
64

ElectricalSystem
ChargingandConnecting
Maintenance
ElectricalSystemSafety
•Disconnectthebatterybeforerepairingthe
machine.Disconnectthenegativeterminalrst
andthepositivelast.Connectthepositiveterminal
rstandthenegativelast.
•Chargethebatteryinanopen,well-ventilated
area,awayfromsparksandames.Unplugthe
chargerbeforeconnectingordisconnectingthe
battery.Wearprotectiveclothinganduseinsulated
tools.
CheckingtheBattery
Condition
ServiceInterval:Every50hours
Important:Beforeweldingonthemachine,
disconnectthenegativecablefromthebatteryto
preventdamagetotheelectricalsystem.Also,
youmustdisconnecttheengine,InfoCenter,
andmachinecontrollersbeforeweldingonthe
machine.
theBattery
1.Unlatchandraisetheoperator'sconsolepanel
(Figure92).
Figure92
1.Operator'sconsolepanel
2.Latch
g009985
Note:Keeptheterminalsandtheentirebatterycase
clean,becauseadirtybatterydischargesslowly.T o
cleanthebattery,washtheentirecasewithasolution
ofbakingsodaandwater.Rinsewithclearwater.
Coatthebatterypostsandcableconnectorswith
Grafo112X(skin-over)grease(T oroPartNo.505-47)
orpetroleumjellytopreventcorrosion.
DANGER
Batteryelectrolytecontainssulfuricacid,
whichisfatalifconsumedandcauses
severeburns.
•Donotdrinkelectrolyteandavoid
contactwithskin,eyes,orclothing.
Wearsafetyglassestoshieldyour
eyesandrubberglovestoprotect
yourhands.
•Fillthebatterywherecleanwateris
alwaysavailableforushingtheskin.
2.Removetherubberbootfromthepositive
terminalandinspectthebattery.
3.Removethenegativecable(black)fromthe
negative(-)terminalandthepositivecable(red)
fromthepositive(+)terminalofthebattery
(Figure93).
65

WARNING
WARNING
Incorrectbatterycableroutingcould
damagethemachineandcables,causing
sparks.Sparkscancausethebattery
gassestoexplode,resultinginpersonal
injury.
•Alwaysdisconnectthenegative
(black)batterycablebefore
disconnectingthepositive(red)
cable.
•Alwaysconnectthepositive(red)
batterycablebeforeconnectingthe
negative(black)cable.
WARNING
Batteryterminalsormetaltoolscould
shortagainstmetalcomponents,causing
sparks.Sparkscancausethebattery
gassestoexplode,resultinginpersonal
injury.
•Whenremovingorinstallingthe
battery,donotallowthebattery
terminalstotouchanymetalpartsof
themachine.
•Donotallowmetaltoolstoshort
betweenthebatteryterminalsand
metalpartsofthemachine.
Chargingthebatteryproducesgasses
thatcanexplode.
Neversmokenearthebatteryandkeep
sparksandamesawayfrombattery.
5.Whenthebatteryischarged,disconnectthe
chargerfromthepoweroutletandbatteryposts.
6.Installthepositivecable(red)tothepositive(+)
terminalandthenegativecable(black)tothe
negative(-)terminalofthebattery(Figure93).
7.Securethecablestothepostswithboltsand
nuts.
Note:Makesurethatthepositive(+)terminal
isallthewayonthepostandthecableis
positionedsnugtothebattery.Thecablemust
notcontactthebatterycover.
8.CoatbothbatteryconnectionswithGrafo112X
(skin-over)grease,PartNo.505-47,petroleum
jelly,orlightgreasetopreventcorrosion.
9.Slidetherubberbootoverthepositiveterminal.
10.Closetheconsolepanelandsecurethelatch.
LocatingtheFuses
Thefuseblockforthemachineislocatedintheright
storagebox
Figure93
1.Positivebatterycable2.Negativebatterycable
4.Connecta3to4Abatterychargertothebattery
posts.Chargethebatteryatarateof3to4Afor
4to8hours.
g009986
1.Loosenthelatchforthecoveroftheright
storageboxandraisethecover(Figure95)to
exposethefuseblock(Figure96).
66
Figure94
decal125-4605

Figure95
1.Latch2.Rightstoragebox
2.Replacetheopenfuse(s)asneeded(Figure96).
DriveSystem
Maintenance
g225611
Figure97
g009985
CheckingforEnd-Playin
thePlanetaryDrives
ServiceInterval:Every400hours
Figure96
1.Fuses
3.Closethecoveroftherightstorageboxand
securethecoverwiththelatch(Figure95).
Thereshouldbenoend-playintheplanetary
drives/drivewheels(i.e.,thewheelsshouldnotmove
whenyoupullorpushtheminadirectionparallelto
theaxle).
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Chocktherearwheelsandraisethefrontof
machine,supportingthefrontaxle/frameonjack
stands.
DANGER
Amachineonajackmaybeunstableand
slipoffthejack,injuringanyonebeneath
g010255
it.
•Donotstarttheenginewhilethe
machineisonajack.
•Alwaysremovethekeyfromthe
switchbeforegettingoffthemachine.
•Blockthetireswhenyouareraising
themachinewithajack.
•Supportthemachinewithjackstands.
3.Grasp1ofthefrontdrivewheelsandpush/pullit
towardandawayfromthemachine,notingany
movement.
67

Figure98
1.Frontdrivewheels
4.Repeatstep3fortheotherdrivewheel.
5.Ifeitherwheelmoves,contactyourauthorized
Torodistributortohavetheplanetarydrive
rebuilt.
Theoillevelshouldbeatthebottomofthe
check-plughole.
g028798
g225606
Figure100
1.Check-plughole2.Checkplug
CheckingthePlanetary
Gear-DriveLubricant
ServiceInterval:Every400hours(checkifyou
noticeexternalleakage).
LubricantSpecication:highqualitySAE85W-140
gearlubricant
1.Parkthemachineonlevelsurfaceandposition
thewheelsothatthellplugisatthe12o'clock
position,thecheckplugisat3o'clockposition,
andthedrainplugisatthe6o'clockposition
(Figure99).
3.Iftheoillevelislow,removethellplugatthe
12o’clockpositionandaddoiluntilitbeginsto
owoutoftheholeatthe3o’clockposition.
4.ChecktheO-ringfortheplug(s)forwearor
damage.
Note:ReplacetheO-ring(s)asneeded.
5.Installtheplug(s).
6.Repeatsteps1through5ontheplanetarygear
assemblyattheothersideofthemachine.
Changingthe
Planetary-Gear-DriveOil
ServiceInterval:Aftertherst50hours
Every800hoursoryearly,whichevercomes
rst.
Lubricantspecication:highqualitySAE85W-140
gearlubricant
Planetaryandbrakehousinglubricationcapacity:
0.65L(22oz)
Figure99
1.Fillplug(12o’clockposition)
2.Checkplug(3o’clockposition)
3.Drainplug(6o’clockposition)
2.Removethecheckplugatthe3o’clockposition
(Figure99).
DrainingthePlanetary-Gear-Drive
g225612
1.Parkthemachineonlevelsurface,positionthe
wheelsothatthellplugisatthe12o'clock
position,thecheckplugisat3o'clockposition,
andthedrainplugisatthe6o'clockposition;
refertoFigure99inCheckingthePlanetary
Gear-DriveLubricant(page68).
2.Removethellplugatthe12o’clockposition
andthecheckplugatthe3o’clockposition
(Figure101).
68

Figure101
FillingthePlanetary-Gear-Drive
withLubricant
1.Throughthell-plughole,slowlylltheplanetary
with0.65L(22oz)ofhighqualitySAE
85W-140wtgearlube.
Important:Iftheplanetaryllsbeforethe
0.65L(22oz)ofoilisadded,wait1hour
orinstalltheplugandmovethemachine
approximatelytenfeettodistributetheoil
throughthebrakesystem.Then,removethe
plugandaddtheremainingoil.
g225609
1.Drain-plughole
2.Fillplug4.Drainplug
3.Checkplug
3.Placeadrainpanundertheplanetaryhub,
removethedrainplugatthe6o’clockposition,
andallowtheoiltofullydrain(Figure101).
4.ChecktheO-ringsforthell,check,anddrain
plugsforwearordamage.
Note:ReplacetheO-ring(s)asneeded.
5.Installthedrainplugintothedrainholeofthe
planetaryhousing(Figure101).
6.Placeadrainpanunderthebrakehousing,
removethedrainplug,andallowtheoiltofully
drain(Figure102).
Figure103
1.Fill-plughole(planetary
housing)
2.Fillplug
2.Installthellplugandthecheckplug.
3.Wipecleantheplanetaryandbrakehousings
(Figure104).
g225610
Figure102
1.Drainhole(brakehousing)
2.Drainplug
7.ChecktheO-ringfortheplugforwearordamage
andinstallthedrainplugintothebrakehousing.
Note:ReplacetheO-ringasneeded.
g225608
g225607
Figure104
4.Repeatsteps1through7inDraining
thePlanetary-Gear-Drive(page68)and
steps1through3inthisprocedureforthe
planetary/brakeassemblyattheothersideof
themachine.
69

CheckingtheRearAxleand
GearboxforLeaks
ServiceInterval:Beforeeachuseordaily
Visuallyinspecttherearaxleandrear-axlegearbox
forleaks.
g009716
Figure106
Figure105
CheckingtheRear-Axle
Lubricant
ServiceInterval:Every400hours
TherearaxleislledwithSAE85W-140gearlube.
Thecapacityis2.4L(80oz).Visuallyinspectfor
leaksdaily.
1.Checkplug
2.Fillplug
ChangingtheRear-Axle
Lubricant
ServiceInterval:Aftertherst200hours
Every800hours
g036704
Lubricantspecication:high-qualitySAE85W-140
gearlubricant
Axlecapacity:2.4L(80oz)
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Cleantheareaaroundthe3drainplugs—1on
eachendand1inthecenter(Figure107).
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Removeacheckplugfrom1endoftheaxleand
ensurethatthelubricantisuptothebottomof
thehole(Figure106).
Note:Ifthelevelislow,removethellplugand
addenoughlubricanttobringtheleveluptothe
bottomofthecheck-plugholes.
g009717
Figure107
1.Drain-pluglocation
3.Removetheoil-levelcheckplugsandthe
main-axle-ventcaptoeasedrainingthegear
lubricant.
4.Removethedrainplugsandallowthegear
lubricanttodrainintothepans.
5.Installtheplugs.
6.Removeacheckplugandlltheaxlewith
approximately2.4L(80oz)of85W-140gear
70

lubeoruntilthelubricantisuptothebottomof
thehole.
7.Installthecheckplug.
Checkingthe
Rear-Axle-Gearbox
Lubricant
ServiceInterval:Every400hours
ThegearboxislledwithSAE85W-140gearlube.
Thecapacityis0.5L(16oz).Visuallyinspectfor
leaksdaily.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthemowerdecks,shutoff
theengine,andremovethekey.
2.Removethecheck/llplugfromtheleftsideof
thegearboxandensurethatlubricantisupto
thebottomofthehole(Figure108).
Note:Ifthelevelislow,addenoughlubricantto
bringtheleveluptothebottomofthehole.
CheckingtheRearWheel
Toe-In
ServiceInterval:Every800hours/Yearly(whichever
comesrst)
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Measurethecenter-to-centerdistance(ataxle
height)atthefrontandrearofthesteeringtires
(Figure109).
Note:Thefrontmeasurementmustbe3mm
(1/8inch)lessthantherearmeasurement.
Figure108
1.Gearbox2.Check/llplug
g009169
Figure109
1.Frontofthemachine3.Centertocenterdistance
2.3mm(1/8inch)lessthan
therearmeasurement
3.Toadjust,removethecotterpinandnutfrom
eithertierodballjoint(Figure1 10).Removethe
tie-rodballjointfromtheaxle-casesupport.
g011488
g009718
Figure110
1.Tie-rodclamp2.Tie-rodballjoint
4.Loosentheclampsatbothendsofthetierods
(Figure110).
5.Rotatethedetachedballjointinwardoroutward
1completerevolutionandtightentheclampat
thelooseendofthetierod.
6.Rotatetheentiretie-rodassemblythesame
direction(inwardoroutward)1complete
71

revolutionandtightentheclampatthe
connectedendofthetierod.
CoolingSystem
7.Installtheballjointintheaxle-casesupport,
tightenthenutnger-tight,andmeasurethe
toe-in.
8.Repeatprocedureifnecessary.
9.Tightenthenutandinstallanewcotterpinwhen
theadjustmentiscorrect.
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
•Donotoperatethemachinewithoutthecovers
inplace.
•Keepyourngers,handsandclothingclearof
rotatingfananddrivebelt.
CheckingtheCooling
System
ServiceInterval:Beforeeachuseordaily
Coolantspecication:50/50mixtureofwaterand
ethyleneglycolantifreeze
Coolingsystemcapacity:8.5L(9USqt).
DANGER
Therotatingfansanddrivebeltscancause
personalinjury.
•Donotoperatethemachinewithoutthe
guardsinplace.
•Keepyourngers,hands,andclothing
clearoftherotatingfananddrivebelt.
•Shutofftheengineandremovethekey
beforeperformingmaintenance.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Carefullyremovetheradiatorcap.
72

Figure111
1.Expansiontank
3.Checkthecoolantlevelintheradiator.The
radiatorshouldbelledtothetopoftheller
neckandtheexpansiontanklledtotheFULL
mark(Figure111).
4.Ifthecoolantislow,adda50/50mixtureofwater
andethyleneglycolanti-freeze.Donotuse
wateronlyoralcohol/methanolbasedcoolants.
5.Installtheradiatorcapandexpansion-tankcap.
g009702
73

CleaningtheCooling
System
ServiceInterval:Beforeeachuseordaily—Remove
debrisfromtheenginearea,oil
cooler,andradiator(cleanthem
morefrequentlyindirtyconditions).
Thismachineisequippedwithahydraulicallydriven
fandrivesystemthatautomatically(ormanually)
reversestoreduceoilcooler/radiatorandscreen
debrisbuildup.Whilethisfeaturecanhelpreduce
thetimerequiredtocleanoilcooler/radiator,itdoes
noteliminatetheneedforroutinecleaning.Periodic
cleaningandinspectionoftheradiator/coolerisstill
required.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Unlatchandswingopentherearscreen(Figure
112).
Note:T oremovethescreen,liftitoffthehinge
pins.
3.Cleanthescreenthoroughlyofalldebris.
g020509
Figure113
1.Oilcooler/radiator
Important:Cleaningtheoilcooler/radiator
withwaterpromotesprematurecorrosion
damagetocomponentsandcompacts
debris.
Figure112
1.Rear-screenlatch
4.Thoroughlycleanbothsidesoftheoilcoolerand
theradiatorwithcompressedair(Figure1 13).
Note:Startfromthefrontandblowthedebris
outtowardtheback.Thencleanfromthe
backsideandblowtowardthefront.Repeat
procedureseveraltimesuntilyouremoveall
chaffanddebris.
5.Closetherearscreenandsecureitwiththe
latch.
g198662
74

BrakeMaintenance
BeltMaintenance
AdjustingtheService
Brakes
Adjusttheservicebrakeswhenthereismorethan
25mm(1inch)offreetravelofthebrakepedal,or
whenthebrakesdonotworkeffectively.Freetravelis
thedistancethebrakepedalmovesbeforeyoufeel
brakingresistance.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Releasethelockinglatchfromthebrakepedals
sothatbothpedalsworkindependentlyofeach
other.
3.Toreducefreetravelofthebrakepedals,tighten
thebrakesasfollows:
A.Loosenthefrontnutonthethreadedendof
thebrakecable(Figure114).
ServicingtheAlternator
Belt
ServiceInterval:Every100hours
Propertensionofthebeltallows10mm(3/8inch)of
deectionwhenaforceof4.5kg(10lb)isappliedon
thebeltmidwaybetweenthepulleys.
Ifthedeectionisnot10mm(3/8inch),loosenthe
alternator-mountingbolts(Figure115).
Note:Increaseordecreasethealternator-belt
tensionandtightenthebolts.Checkthedeectionof
thebeltagaintoensurethatthetensioniscorrect.
Figure114
1.Brakecable
B.Tightentherearnuttomovethecable
rearwarduntilthebrakepedalshave13to
25mm(1/2to1inch)offreetravel.
C.Tightenthefrontnutsafterthebrakesare
adjustedcorrectly.
g020537
Figure115
g009721
1.Mountingbolt2.Alternator
75

HydraulicSystem
Maintenance
HydraulicSystemSafety
•Seekimmediatemedicalattentionifuidisinjected
intoskin.Injecteduidmustbesurgicallyremoved
withinafewhoursbyadoctor.
•Ensurethatallhydraulic-uidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
ServicingtheHydraulic
Fluid
HydraulicFluidSpecications
Thereservoirislledatthefactorywithhigh-quality
hydraulicuid.Checkthelevelofthehydraulicuid
beforeyourststarttheengineanddailythereafter;
refertoCheckingtheHydraulic-FluidLevel(page76).
HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46(cont'd.)
MaterialProperties:
Viscosity,ASTMD445cSt@40°C(104°F)
ViscosityIndexASTMD2270
PourPoint,ASTMD97-37°Cto-45°C(-34°F
IndustrySpecications:EatonVickers694(I-286-S,
M-2950-S/35VQ25or
44to48
140orhigher
to-49°F)
M-2952-S)
Note:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditivefor
thehydraulicuidisavailablein20ml(0.67oz)
bottles.Abottleissufcientfor15to22L(4to6US
gallons)ofhydraulicuid.OrderPartNo.44-2500
fromyourauthorizedTorodistributor.
Important:T oroPremiumSynthetic
BiodegradableHydraulicFluidistheonly
syntheticbiodegradableuidapprovedbyToro.
Thisuidiscompatiblewiththeelastomersused
inTorohydraulicsystemsandissuitablefora
wide-rangeoftemperatureconditions.Thisuidis
compatiblewithconventionalmineraloils,butfor
maximumbiodegradabilityandperformance,the
hydraulicsystemshouldbethoroughlyushedof
conventionaluid.Theoilisavailablein19L(5
USgallons)pailsor208L(55USgallons)from
yourauthorizedT orodistributor.
Recommendedhydraulicuid:T oroPXExtended
LifeHydraulicFluid;availablein19L(5USgallon)
pailsor208L(55USgallon)drums.
Note:Amachineusingtherecommended
replacementuidrequireslessfrequentuidandlter
changes.
Alternativehydraulicuids:IfT oroPXExtended
LifeHydraulicFluidisnotavailable,youmayuse
anotherconventional,petroleum-basedhydraulicuid
havingspecicationsthatfallwithinthelistedrange
forallthefollowingmaterialpropertiesandthatit
meetsindustrystandards.Donotusesyntheticuid.
Consultwithyourlubricantdistributortoidentifya
satisfactoryproduct.
Note:T orodoesnotassumeresponsibilityfor
damagecausedbyimpropersubstitutions,souse
productsonlyfromreputablemanufacturerswhowill
standbehindtheirrecommendation.
HighViscosityIndex/LowPourPoint
Anti-wearHydraulicFluid,ISOVG46
CheckingtheHydraulic-Fluid
Level
ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Checkthehydraulic-uidlevel(Figure116).
76

Iftheuidbecomescontaminated,contactyour
authorizedT orodistributor,becausethesystemmust
beushed.Contaminateduidlooksmilkyorblack
whencomparedtocleanoil.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
g198718
theengine,andremovethekey.
2.Raisethehood.
3.Disconnectthecasereturnlinefromthebottom
ofthereservoirandletthehydraulicuidow
intoalargedrainpan.
4.Installthehosewhenthehydraulicuidstops
draining.
5.Fillthereservoirwithhydraulicuid;referto
ChangingtheHydraulicFluid(page77).
Important:Useonlythehydraulicuids
specied.Otheruidscouldcausesystem
damage.
6.Installthereservoircap.
7.TurnthekeyinthekeyswitchtotheONposition
tostarttheengine.Useallthehydrauliccontrols
todistributehydraulicuidthroughoutthe
system,andcheckforleaks.
Figure116
ChangingtheHydraulicFluid
ServiceInterval:Every2,000hours—Ifyou
areusingtherecommended
hydraulicuid,changethe
hydraulicuid.
Every800hours—Ifyouarenotusingthe
recommendedhydraulicuidorhaveever
lledthereservoirwithanalternativeuid,
changethehydraulicuid.
8.TurnthekeyinthekeyswitchtotheOFF
position.
9.Checktheuidlevelandaddenoughtoraise
leveltheleveltotheFULLmarkonthedipstick.
Donotoverll.
ReplacingtheHydraulicFilters
ServiceInterval:Every1,000hours—Ifyou
areusingtherecommended
hydraulicuid,replacethe
hydrauliclter(sooneriftheservice
intervalindicatorisintheredzone).
g031863
Every800hours—Ifyouarenotusingthe
recommendedhydraulicuidorhaveever
lledthereservoirwithanalternativeuid,
replacethehydrauliclter(sooneriftheservice
intervalindicatorisintheredzone).
UseTororeplacementltersPartNo.94-2621for
therear(cuttingunits)ofthemachineandPartNo.
75-1310forthefront(charge)ofthemachine.
Important:Usinganotherltermayvoidthe
warrantyonsomecomponents.
1.Tilttheoperator’sseattoaccessthe
mower-pressurelter;refertoAccessingthe
HydraulicLiftCompartment(page57).
HydraulicFluidCapacity:28.4L(7.50USgallons)
77

Figure117
2.Replacethechargehydrauliclteratthe
hydraulicliftcompartmentasshowninFigure
118.
3.Lowerandsecuretheoperator’sseat.
4.Replacethereturnlterattherightsideofthe
machine(Figure118).
5.Starttheengineandletitrunforabout2minutes
topurgeairfromthesystem.Shutofftheengine
andcheckforleaks.
CheckingtheHydraulic
LinesandHoses
ServiceInterval:Beforeeachuseordaily
g201858
Every2years
Inspectthehydrauliclinesandhosesdailyfor
leaks,kinkedlines,loosemountingsupports,wear,
loosettings,weatherdeterioration,andchemical
deterioration.Makeallnecessaryrepairsbefore
operatingthemachine.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Seekimmediatemedicalhelpifuidis
injectedintoskin.
•Makesurethatallhydraulic-uidhoses
g036709
andlinesareingoodconditionandall
hydraulicconnectionsandttingsaretight
beforeapplyingpressuretothehydraulic
system.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
Figure118
g031621
78

CuttingUnitMaintenance
RemovingtheCuttingUnits
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Disconnectandremovethehydraulicmotor
fromthecuttingunit(Figure119).Coverthetop
ofthespindletopreventcontamination.
InstallingtheCuttingUnits
1.Movethecuttingunitintopositioninfrontofthe
machine.
2.Slidethecuttingunit-carrierframeontothe
lift-arm-pivotpin(Figure120).Securethe
cuttingunittothepinwiththelynchpin(for
Groundsmaster4500machines)orretainingnut
(forGroundsmaster4700machines).
3.Installthehydraulicmotortothecuttingunit
(Figure119).MakesurethattheO-ringisin
positionandnotdamaged.
4.Greasethespindle.
ServicingtheFrontRoller
Inspectthefrontrollerforwear,excesswobble,or
binding.Serviceorreplacetherollerorcomponentsif
anyoftheseconditionsexist.
Figure119
1.Motor-mountingscrews
3.Removethelynchpin(forGroundsmaster4500
machines)orretainingnut(forGroundsmaster
4700machines)securingthecuttingunit-carrier
frametothelift-armpivotpin(Figure120).
Figure120
1.Lynchpin
2.Lift-armpivotpin
g011351
g011352
DisassemblingtheFrontRoller
1.Removetheroller-mountingbolt(Figure121).
2.Insertapunchthroughtheendoftheroller
housinganddrivetheoppositebearingoutby
alternatingtapstotheoppositesideofinner
bearingrace.Thereshouldbea1.5mm(0.060
inch)lipofinnerraceexposed.
g011356
Figure121
1.Frontroller3.Bearing
2.Mountingbolt4.Bearingspacer
4.Rollthecuttingunitawayfromthemachine.
3.Pushthesecondbearingoutinpress.
4.Inspecttherollerhousing,bearings,andbearing
spacerfordamage(Figure121).Replaceany
damagedcomponentsandassemblethem.
79

AssemblingtheFrontRoller
1.Presstherstbearingintotherollerhousing
(Figure121).Pressontheouterraceonlyor
equallyontheinnerandouterrace.
2.Insertthespacer(Figure121).
3.Pressthesecondbearingintotherollerhousing
(Figure121).Pressingequallyontheinner
andouterraceuntiltheinnerracecontactsthe
spacer.
4.Installtherollerassemblyintothecutting-unit
frame.
5.Verifythatthereisnomorethana1.5mm(0.060
inch)gapbetweenrollerassemblyandtheroller
mountbracketsofthecutting-unitframe.Ifthere
isagapover1.5mm(0.060inch),installenough
5/8-inchdiameterwasherstotakeuptheslop.
Important:Securingtherollerassembly
withagaplargerthan1.5mm(0.060inch)
createsasideloadonthebearingandcan
leadtoprematurebearingfailure
6.Torquethemountingboltto108N∙m(80ft-lb).
BladeMaintenance
BladeSafety
•Inspectthebladeperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
ServicingtheBladePlane
Thecuttingunitcomesfromthefactorypresetat5
cm(2inches)heightofcutandbladerakeof7.9mm
(0.310inch).Theleftandrightheightsarealsopreset
towithin±0.7mm(0.030inch)oftheother.
Thecuttingunitisdesignedtowithstandblade
impactswithoutdeformationofthechamber.Ifthe
bladestrikesasolidobject,inspectthebladefor
damageandthebladeplaneforaccuracy.
InspectingtheBladePlane
1.Removethehydraulicmotorfromthecuttingunit
andremovethecuttingunitfromthemachine.
2.Useahoist(orminimumof2people)andplace
thecuttingunitonaattable.
3.Mark1endofthebladewithapaintpenor
marker.Usethisendofthebladetocheckall
heights.
4.Positionthecuttingedgeofthemarkedendof
thebladeat12o’clock(straightaheadinthe
directionofmowing)(Figure122)andmeasure
heightfromtabletocuttingedgeofblade.
Figure122
5.Rotatethemarkedendofthebladetothe3and
9o’clockpositions(Figure122)andmeasure
theheights.
80
g011353

6.Comparethe12o’clockmeasuredheighttothe
height-of-cutsetting.Itshouldbewithin0.7mm
(0.030inch).The3and9o’clockheightsshould
be1.6to6.0mm(0.060to0.240inch)higher
thanthe12o’clocksettingandwithin2.2mm
(0.090inch)ofeachother.
side.Adjusttheothersidetowithin±2.2mm
(0.090inch)ofthecorrectside.
7.Adjusttherightand/orleftheight-of-cutbrackets
byrepeatingsteps1through4.
8.Securethecarriageboltsandangenuts.
Ifanyofthesemeasurementsarenotwithin
specication,proceedtoAdjustingtheBladePlane
(page81).
AdjustingtheBladePlane
Startwiththefrontadjustment(change1bracketata
time).
1.Removetheheight-of-cutbracket,(front,left,or
right)fromthecutting-unitframe(Figure123).
2.Adjust1.5mm(0.060inch)shimsand/or0.7
mm(0.030inch)shimsbetweenthecutting-unit
frameandbrackettoachievethedesiredheight
setting(Figure123).
9.Verifythe12,3,and9o’clockheights.
RemovingandInstalling
theCutting-UnitBlade(s)
Replacethebladeifithitsasolidobject,isout
ofbalance,orisbent.AlwaysusegenuineToro
replacementbladestoensuresafetyandoptimum
performance.
1.Parkthemachineonalevelsurface,raisethe
cuttingunittothetransportposition,engagethe
parkingbrake,shutofftheengine,andremove
thekey.
Note:Blockorlockthecuttingunittopreventit
fromaccidentallyfalling.
2.Grasptheendofthebladeusingaragor
thickly-paddedglove.
3.Removethebladebolt,anti-scalpcup,and
bladefromthespindleshaft(Figure124).
Figure123
1.Height-of-cutbracket2.Shims
3.Installtheheight-of-cutbrackettothecutting-unit
framewiththeremainingshimsassembled
belowtheheight-of-cutbracket.
4.Securethesocket-headbolt/spacerandange
nut.
Note:Socket-headbolt/spacerareheld
togetherwiththread-lockingadhesivetoprevent
thespacerfromfallinginsidethecutting-unit
frame.
5.Verifythe12o’clockheightandadjustifneeded.
6.Determineifonly1orboth(rightandleft)
height-of-cutbracketsneedtobeadjusted.
Note:Ifthe3or9o’clocksideis1.6to6.0mm
(0.060to0.240inch)higherthanthenewfront
heightthennoadjustmentisneededforthat
g011354
g011355
Figure124
1.Bladebolt2.Anti-scalpcup
4.Installtheblade,anti-scalpcup,andbladebolt
andtightenthebladeboltto115to149N∙m(85
to110ft-lb).
Important:Thecurvedpartoftheblade
mustbepointingtowardtheinsideofthe
cuttingunittoensurepropercutting.
Note:Afterstrikingaforeignobject,torqueall
spindle-pulleynutsto115to149N∙m(85to110
ft-lb).
81

InspectingandSharpening
theCuttingUnitBlade(s)
Twoareasmustbeconsideredwhencheckingand
servicingthemowerblade—thesailandthecutting
edge.Bothcuttingedgesandthesail,whichis
theturned-upportionoppositeofthecuttingedge,
contributetoagoodqualityofcut.Thesailis
importantbecauseitliftsthegrassupstraight,thereby
producinganevencut.However,thesailgradually
wearsdownduringoperation.Asthesailwears
down,thequalityofcutdegrades,althoughthecutting
edgesaresharp.Thecuttingedgeoftheblademust
besharpsothatthegrassiscutratherthantorn.A
dullcuttingedgeisevidentwhenthetipsofthegrass
appearbrownandshredded.Sharpenthecutting
edgestocorrectthiscondition.
1.Parkthemachineonalevelsurface,raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinNEUTRAL,putthePTOlever
intheOFFposition,shutofftheengine,and
removethekeyfromtheignition.
2.Examinethecuttingendsofthebladecarefully,
especiallywheretheatandcurvedpartsofthe
blademeet(Figure125).
Note:Becausesandandabrasivematerial
canwearawaythemetalthatconnectsthe
atandcurvedpartsoftheblade,checkthe
bladebeforeusingthemower.Ifwearisnoticed
(Figure125),replacetheblade.
g004653
Figure125
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
3.Examinethecuttingedgesofalloftheblades
andsharpenthecuttingedgesiftheyaredull
ornicked(Figure126).
Note:Sharpenonlythetopofthecuttingedge
andmaintaintheoriginalcuttingangletoensure
sharpness(Figure126).Thebladeremains
balancedifyouremovethesameamountof
metalfrombothcuttingedges.
1.Sharpenattheoriginalangle.
82
g000276
Figure126

Note:Removethebladesandsharpenthem
onagrinder.Aftersharpeningthecuttingedges,
installthebladewiththeanti-scalpcupand
bladebolt;refertoRemovingandInstallingthe
Cutting-UnitBlade(s)(page81).
Storage
StorageSafety
•Shutofftheengine,removethekey(ifequipped),
andwaitforallmovementtostopbeforeyouleave
theoperator’sposition.Allowthemachinetocool
beforeadjusting,servicing,cleaning,orstoringit.
•Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such
asonawaterheaterorotherappliance.
PreparingtheMachinefor
Storage
Important:Donotusebrackishorreclaimed
watertocleanthemachine.
PreparingtheTractionUnit
1.Thoroughlycleanthetractionunit,cuttingunits,
andengine.
2.Checkthetirepressure.Inatealltractionunit
tiresto83to103kPa(12to15psi).
3.Checkallfastenersforloosenessandtighten
themasnecessary.
4.Greaseallgreasettingsandpivotpoints.Wipe
upanyexcesslubricant.
5.Lightlysandandusetouch-uppaintonpainted
areasthatarescratched,chipped,orrusted.
Repairanydentsinthemetalbody.
6.Servicethebatteryandcablesasfollows:
A.Removethebatteryterminalsfromthe
batteryposts.
Note:Alwaysdisconnectthenegative
terminalrstandthepositivelast.Always
connectthepositiveterminalrstandthe
negativelast.
B.Cleanthebattery,terminals,andpostswith
awirebrushandbakingsodasolution.
C.Coatthecableterminalsandbatteryposts
withGrafo1 12Xskin-overgrease(Part
Number505-47)orpetroleumjellyto
preventcorrosion.
D.Slowlyrechargethebatteryevery60days
for24hourstopreventleadsulfationofthe
battery.
PreparingtheEngine
1.Draintheengineoilfromtheoilpanandreplace
thedrainplug.
83

2.Removeanddiscardtheoillter.Installanew
oillter.
3.Relltheoilpanwithdesignatedquantityof
motoroil.
4.TurnthekeyintheswitchtotheONposition,
starttheengine,andrunitatidlespeedfor
approximately2minutes.
5.TurnthekeyintheswitchtotheOFFposition.
6.Thoroughlydrainallfuelfromthefueltank,lines,
andthefuellter/waterseparatorassembly.
7.Flushthefueltankwithfresh,cleandieselfuel.
8.Secureallfuel-systemttings.
9.Thoroughlycleanandservicetheair-cleaner
assembly.
10.Sealtheair-cleanerinletandtheexhaustoutlet
withweatherprooftape.
11.Checktheantifreezeprotectionandaddas
neededforexpectedminimumtemperaturein
yourarea.
PreparingaCuttingUnit
Ifthemowerdecksareseparatedfromthetraction
unitforanylengthoftime,installaspindlepluginthe
topofthespindlestoprotectthespindlesfromdust
andwater.
Figure127
1.Spindleplug
2.Spindlesprocket
g036712
84

Notes:

EEA/UKPrivacyNotice
Toro’sUseofYourPersonalInformation
TheT oroCompany(“T oro”)respectsyourprivacy.Whenyoupurchaseourproducts,wemaycollectcertainpersonalinformationaboutyou,eitherdirectly
fromyouorthroughyourlocalT orocompanyordealer.T orousesthisinformationtofullcontractualobligations-suchastoregisteryourwarranty ,
processyourwarrantyclaimortocontactyouintheeventofaproductrecall-andforlegitimatebusinesspurposes-suchastogaugecustomer
satisfaction,improveourproductsorprovideyouwithproductinformationwhichmaybeofinterest.Toromayshareyourinformationwithoursubsidiaries,
afliates,dealersorotherbusinesspartnersinconnectiontheseactivities.Wemayalsodisclosepersonalinformationwhenrequiredbylaworin
connectionwiththesale,purchaseormergerofabusiness.Wewillneversellyourpersonalinformationtoanyothercompanyformarketingpurposes.
RetentionofyourPersonalInformation
Torowillkeepyourpersonalinformationaslongasitisrelevantfortheabovepurposesandinaccordancewithlegalrequirements.Formoreinformation
aboutapplicableretentionperiodspleasecontactlegal@toro.com.
Toro’sCommitmenttoSecurity
YourpersonalinformationmaybeprocessedintheUSoranothercountrywhichmayhavelessstrictdataprotectionlawsthanyourcountryofresidence.
Wheneverwetransferyourinformationoutsideofyourcountryofresidence,wewilltakelegallyrequiredstepstoensurethatappropriatesafeguardsare
inplacetoprotectyourinformationandtomakesureitistreatedsecurely.
AccessandCorrection
Youmayhavetherighttocorrectorreviewyourpersonaldata,orobjecttoorrestricttheprocessingofyourdata.T odoso,pleasecontactusbyemail
atlegal@toro.com.IfyouhaveconcernsaboutthewayinwhichT orohashandledyourinformation,weencourageyoutoraisethisdirectlywithus.
PleasenotethatEuropeanresidentshavetherighttocomplaintoyourDataProtectionAuthority.
374-0282RevC

CaliforniaProposition65WarningInformation
Whatisthiswarning?
Youmayseeaproductforsalethathasawarninglabellikethefollowing:
WARNING:CancerandReproductiveHarm—www.p65Warnings.ca.gov.
WhatisProp65?
Prop65appliestoanycompanyoperatinginCalifornia,sellingproductsinCalifornia,ormanufacturingproductsthatmaybesoldinorbroughtinto
California.ItmandatesthattheGovernorofCaliforniamaintainandpublishalistofchemicalsknowntocausecancer,birthdefects,and/orother
reproductiveharm.Thelist,whichisupdatedannually,includeshundredsofchemicalsfoundinmanyeverydayitems.ThepurposeofProp65isto
informthepublicaboutexposuretothesechemicals.
Prop65doesnotbanthesaleofproductscontainingthesechemicalsbutinsteadrequireswarningsonanyproduct,productpackaging,orliteraturewith
theproduct.Moreover,aProp65warningdoesnotmeanthataproductisinviolationofanyproductsafetystandardsorrequirements.Infact,the
CaliforniagovernmenthasclariedthataProp65warning“isnotthesameasaregulatorydecisionthataproductis‘safe’or‘unsafe.’”Manyofthese
chemicalshavebeenusedineverydayproductsforyearswithoutdocumentedharm.Formoreinformation,gotohttps://oag.ca.gov/prop65/faqs-view-all
AProp65warningmeansthatacompanyhaseither(1)evaluatedtheexposureandhasconcludedthatitexceedsthe“nosignicantrisklevel”;or(2)
haschosentoprovideawarningbasedonitsunderstandingaboutthepresenceofalistedchemicalwithoutattemptingtoevaluatetheexposure.
Doesthislawapplyeverywhere?
Prop65warningsarerequiredunderCalifornialawonly.ThesewarningsareseenthroughoutCaliforniainawiderangeofsettings,includingbutnot
limitedtorestaurants,grocerystores,hotels,schools,andhospitals,andonawidevarietyofproducts.Additionally,someonlineandmailorder
retailersprovideProp65warningsontheirwebsitesorincatalogs.
.
HowdotheCaliforniawarningscomparetofederallimits?
Prop65standardsareoftenmorestringentthanfederalandinternationalstandards.TherearevarioussubstancesthatrequireaProp65warning
atlevelsthatarefarlowerthanfederalactionlimits.Forexample,theProp65standardforwarningsforleadis0.5μg/day,whichiswellbelow
thefederalandinternationalstandards.
Whydon’tallsimilarproductscarrythewarning?
•ProductssoldinCaliforniarequireProp65labellingwhilesimilarproductssoldelsewheredonot.
•AcompanyinvolvedinaProp65lawsuitreachingasettlementmayberequiredtouseProp65warningsforitsproducts,butothercompanies
makingsimilarproductsmayhavenosuchrequirement.
•TheenforcementofProp65isinconsistent.
•CompaniesmayelectnottoprovidewarningsbecausetheyconcludethattheyarenotrequiredtodosounderProp65;alackofwarningsfora
productdoesnotmeanthattheproductisfreeoflistedchemicalsatsimilarlevels.
WhydoesToroincludethiswarning?
Torohaschosentoprovideconsumerswithasmuchinformationaspossiblesothattheycanmakeinformeddecisionsabouttheproductstheybuyand
use.T oroprovideswarningsincertaincasesbasedonitsknowledgeofthepresenceofoneormorelistedchemicalswithoutevaluatingthelevelof
exposure,asnotallthelistedchemicalsprovideexposurelimitrequirements.WhiletheexposurefromToroproductsmaybenegligibleorwellwithinthe
“nosignicantrisk”range,outofanabundanceofcaution,TorohaselectedtoprovidetheProp65warnings.Moreover,ifTorodoesnotprovidethese
warnings,itcouldbesuedbytheStateofCaliforniaorbyprivatepartiesseekingtoenforceProp65andsubjecttosubstantialpenalties.
RevA

TheToroWarranty
Two-Y earor1,500HoursLimitedWarranty
ConditionsandProductsCovered
TheToroCompanyanditsafliate,T oroWarrantyCompany,pursuant
toanagreementbetweenthem,jointlywarrantyourT oroCommercial
product(“Product”)tobefreefromdefectsinmaterialsorworkmanship
for2yearsor1,500operationalhours*,whicheveroccursrst.This
warrantyisapplicabletoallproductswiththeexceptionofAerators
(refertoseparatewarrantystatementsfortheseproducts).Wherea
warrantableconditionexists,wewillrepairtheProductatnocosttoyou
includingdiagnostics,labor,parts,andtransportation.Thiswarranty
beginsonthedatetheProductisdeliveredtotheoriginalretailpurchaser.
*Productequippedwithanhourmeter.
InstructionsforObtainingWarrantyService
YouareresponsiblefornotifyingtheCommercialProductsDistributoror
AuthorizedCommercialProductsDealerfromwhomyoupurchasedthe
Productassoonasyoubelieveawarrantableconditionexists.Ifyouneed
helplocatingaCommercialProductsDistributororAuthorizedDealer,or
ifyouhavequestionsregardingyourwarrantyrightsorresponsibilities,
youmaycontactusat:
ToroCommercialProductsServiceDepartment
ToroWarrantyCompany
811 1LyndaleAvenueSouth
Bloomington,MN55420-1196
952–888–8801or800–952–2740
E-mail:commercial.warranty@toro.com
OwnerResponsibilities
Astheproductowner,youareresponsibleforrequiredmaintenanceand
adjustmentsstatedinyourOperator'sManual.Repairsforproductissues
causedbyfailuretoperformrequiredmaintenanceandadjustmentsarenot
coveredunderthiswarranty.
ItemsandConditionsNotCovered
Notallproductfailuresormalfunctionsthatoccurduringthewarranty
periodaredefectsinmaterialsorworkmanship.Thiswarrantydoesnot
coverthefollowing:
•Productfailureswhichresultfromtheuseofnon-Tororeplacement
parts,orfrominstallationanduseofadd-on,ormodiednon-Toro
brandedaccessoriesandproducts.
•Productfailureswhichresultfromfailuretoperformrecommended
maintenanceand/oradjustments.
•ProductfailureswhichresultfromoperatingtheProductinanabusive,
negligent,orrecklessmanner.
•Partsconsumedthroughusethatarenotdefective.Examplesofparts
whichareconsumed,orusedup,duringnormalProductoperation
include,butarenotlimitedto,brakepadsandlinings,clutchlinings,
blades,reels,rollersandbearings(sealedorgreasable),bedknives,
sparkplugs,castorwheelsandbearings,tires,lters,belts,andcertain
sprayercomponentssuchasdiaphragms,nozzles,andcheckvalves.
•Failurescausedbyoutsideinuence,including,butnotlimitedto,
weather,storagepractices,contamination,useofunapprovedfuels,
coolants,lubricants,additives,fertilizers,water ,orchemicals.
•Failureorperformanceissuesduetotheuseoffuels(e.g.gasoline,
diesel,orbiodiesel)thatdonotconformtotheirrespectiveindustry
standards.
•Normalnoise,vibration,wearandtear,anddeterioration.Normal
“wearandtear”includes,butisnotlimitedto,damagetoseatsdueto
wearorabrasion,wornpaintedsurfaces,scratcheddecalsorwindows.
Parts
Partsscheduledforreplacementasrequiredmaintenancearewarranted
fortheperiodoftimeuptothescheduledreplacementtimeforthatpart.
Partsreplacedunderthiswarrantyarecoveredforthedurationofthe
originalproductwarrantyandbecomethepropertyofT oro.T orowillmake
thenaldecisionwhethertorepairanyexistingpartorassemblyorreplace
it.T oromayuseremanufacturedpartsforwarrantyrepairs.
DeepCycleandLithium-IonBatteryWarranty
DeepcycleandLithium-Ionbatterieshaveaspeciedtotalnumber
ofkilowatt-hourstheycandeliverduringtheirlifetime.Operating,
recharging,andmaintenancetechniquescanextendorreducetotal
batterylife.Asthebatteriesinthisproductareconsumed,theamount
ofusefulworkbetweenchargingintervalswillslowlydecreaseuntilthe
batteryiscompletelywornout.Replacementofwornoutbatteries,
duetonormalconsumption,istheresponsibilityoftheproductowner.
Note:(Lithium-Ionbatteryonly):Pro-ratedafter2years.Refertothe
batterywarrantyforadditionalinformation.
LifetimeCrankshaftWarranty(ProStripe02657Model
Only)
TheProstripewhichisttedwithagenuineT oroFrictionDiscand
Crank-SafeBladeBrakeClutch(integratedBladeBrakeClutch(BBC)+
FrictionDiscassembly)asoriginalequipmentandusedbytheoriginal
purchaserinaccordancewithrecommendedoperatingandmaintenance
procedures,arecoveredbyaLifetimeWarrantyagainstenginecrankshaft
bending.Machinesttedwithfrictionwashers,BladeBrakeClutch(BBC)
unitsandothersuchdevicesarenotcoveredbytheLifetimeCrankshaft
Warranty.
MaintenanceisatOwner’sExpense
Enginetune-up,lubrication,cleaningandpolishing,replacementoflters,
coolant,andcompletingrecommendedmaintenancearesomeofthe
normalservicesT oroproductsrequirethatareattheowner’sexpense.
GeneralConditions
RepairbyanAuthorizedToroDistributororDealerisyoursoleremedy
underthiswarranty.
NeitherTheToroCompanynorToroWarrantyCompanyisliablefor
indirect,incidentalorconsequentialdamagesinconnectionwiththe
useoftheToroProductscoveredbythiswarranty,includingany
costorexpenseofprovidingsubstituteequipmentorserviceduring
reasonableperiodsofmalfunctionornon-usependingcompletion
ofrepairsunderthiswarranty.ExceptfortheEmissionswarranty
referencedbelow,ifapplicable,thereisnootherexpresswarranty.All
impliedwarrantiesofmerchantabilityandtnessforusearelimitedto
thedurationofthisexpresswarranty.
Somestatesdonotallowexclusionsofincidentalorconsequential
damages,orlimitationsonhowlonganimpliedwarrantylasts,sotheabove
exclusionsandlimitationsmaynotapplytoyou.Thiswarrantygivesyou
speciclegalrights,andyoumayalsohaveotherrightswhichvaryfrom
statetostate.
NoteRegardingEmissionsWarranty
TheEmissionsControlSystemonyourProductmaybecoveredby
aseparatewarrantymeetingrequirementsestablishedbytheU.S.
EnvironmentalProtectionAgency(EP A)and/ortheCaliforniaAirResources
Board(CARB).Thehourlimitationssetforthabovedonotapplytothe
EmissionsControlSystemWarranty.RefertotheEngineEmissionControl
WarrantyStatementsuppliedwithyourproductorcontainedintheengine
manufacturer’sdocumentation.
CountriesOtherthantheUnitedStatesorCanada
CustomerswhohavepurchasedT oroproductsexportedfromtheUnitedStatesorCanadashouldcontacttheirT oroDistributor(Dealer)toobtain
guaranteepoliciesforyourcountry ,province,orstate.IfforanyreasonyouaredissatisedwithyourDistributor'sserviceorhavedifcultyobtaining
guaranteeinformation,contactyourAuthorizedToroServiceCenter .
374-0253RevF