Toro 74060, 74064, 74072, 74074 Operator's Manual

FormNo.3422-859RevB
ZMaster
®
Professional7500-D
SeriesRidingMower
With60inor72inTURBOFORCE
®
Mower
Registeratwww.T oro.com. OriginalInstructions(EN)
*3422-859*B
ItisaviolationofCaliforniaPublicResourceCode Section4442or4443touseoroperatetheengineon anyforest-covered,brush-covered,orgrass-covered landunlesstheengineisequippedwithaspark arrester,asdenedinSection4442,maintainedin effectiveworkingorderortheengineisconstructed, equipped,andmaintainedforthepreventionofre.
GrossorNetTorque:
Introduction
Thisrotary-blade,ridinglawnmowerisintendedtobe usedbyresidentialhomeownersorprofessional,hired operators.Itisdesignedprimarilyforcuttinggrasson well-maintainedlawnsonresidentialorcommercial properties.Itisnotdesignedforcuttingbrushorfor agriculturaluses.
ThisproductcomplieswithallrelevantEuropean directives;fordetails,pleaseseetheseparateproduct specicDeclarationofConformity(DOC)sheet.The grossornettorqueofthisenginewaslaboratory ratedbytheenginemanufacturerinaccordancewith theSocietyofAutomotiveEngineers(SAE)J1940 orJ2723.Asconguredtomeetsafety,emission, andoperatingrequirements,theactualenginetorque onthisclassofmowerwillbesignicantlylower. Pleaserefertotheenginemanufacturer’sinformation includedwiththemachine.
Pleaserefertotheenginemanufacturer’sinformation includedwiththemachine.
WARNING
CALIFORNIA
Proposition65Warning
Dieselengineexhaustandsomeofits constituentsareknowntotheStateof
Californiatocausecancer,birthdefects,
andotherreproductiveharm.
Batteryposts,terminals,andrelated
accessoriescontainleadandlead
compounds,chemicalsknownto
theStateofCaliforniatocause
cancerandreproductiveharm.Wash
handsafterhandling.
Readthisinformationcarefullytolearnhowtooperate andmaintainyourproductproperlyandtoavoid injuryandproductdamage.Youareresponsiblefor operatingtheproductproperlyandsafely .
YoumaycontactT orodirectlyatwww.T oro.com forproductsafetyandoperationtrainingmaterials, accessoryinformation,helpndingadealer,orto registeryourproduct.
Wheneveryouneedservice,genuineToroparts,or additionalinformation,contactanAuthorizedService DealerorToroCustomerServiceandhavethemodel andserialnumbersofyourproductready.Figure1 identiesthelocationofthemodelandserialnumbers ontheproduct.Writethenumbersinthespace provided.
Important:Withyourmobiledevice,youcan
scantheQRcode(ifequipped)ontheserial numberdecaltoaccesswarranty,parts,andother productinformation.
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
©2018—TheToro®Company 8111LyndaleAvenueSouth Bloomington,MN55420
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas safetymessagesidentiedbythesafety-alertsymbol (Figure2),whichsignalsahazardthatmaycause
Contactusatwww.Toro.com.
2
g235670
PrintedintheUSA
AllRightsReserved
seriousinjuryordeathifyoudonotfollowthe recommendedprecautions.
Figure2
Safety-alertsymbol
Thismanualuses2wordstohighlightinformation. Importantcallsattentiontospecialmechanical informationandNoteemphasizesgeneralinformation worthyofspecialattention.
Contents
Safety.......................................................................4
GeneralSafety...................................................4
g000502
SlopeIndicator...................................................5
SafetyandInstructionalDecals..........................6
ProductOverview...................................................13
Controls...........................................................14
HorizonDisplayMonitor................................14
Specications..................................................15
BeforeOperation.................................................16
BeforeOperationSafety...................................16
AddingFuel......................................................17
PerformingDailyMaintenance..........................18
BreakinginaNewMachine..............................18
UsingtheRolloverProtectionSystem
(ROPS).........................................................18
UsingtheSafety-InterlockSystem....................19
PositioningtheSeat..........................................20
UnlatchingtheSeat..........................................20
ChangingtheSeatSuspension.........................20
DuringOperation.................................................21
DuringOperationSafety...................................21
OperatingtheParkingBrake.............................23
OperatingtheMowerBlade-ControlSwitch
(PTO)............................................................23
StartingtheEngine...........................................24
ShuttingOfftheEngine.....................................24
UsingtheMotion-ControlLevers.......................25
DrivingtheMachine..........................................25
UsingtheSideDischarge.................................27
AdjustingtheHeightofCut...............................27
AdjustingtheAnti-ScalpRollers........................28
AdjustingtheFlowBafeCamLocks................29
PositioningtheFlowBafe................................29
AdjustingtheSkids...........................................30
OperatingwiththeOverheatSensor.................30
OperatingTips.................................................31
AfterOperation....................................................32
AfterOperationSafety......................................32
TransportingtheMachine.................................32
Maintenance...........................................................34
RecommendedMaintenanceSchedule(s)...........34
Pre-MaintenanceProcedures..............................35
MaintenanceSafety..........................................35
Lubrication..........................................................36
GreasingtheMachine.......................................36
LubricatingtheDriveU-JointsandSplined
SlipJoint.......................................................36
LubricatingtheCasterPivots............................37
LubricatingtheCaster-WheelHubs..................37
EngineMaintenance...........................................38
EngineSafety...................................................38
ServicingtheAirCleaner..................................38
ServicingtheEngineOil....................................39
FuelSystemMaintenance...................................41
DrainingtheFuelFilter/WaterSeparator...........41
ChangingtheWaterSeparator.........................41
3
InspectingtheEngine-ValveClearance............42
CheckingtheFuelLinesand
Connections..................................................42
ElectricalSystemMaintenance...........................42
ElectricalSystemSafety...................................42
ServicingtheBattery.........................................42
ServicingtheFuses..........................................44
DriveSystemMaintenance..................................44
ReleasingtheDriveWheelRelease
Valves...........................................................44
AdjustingtheTracking......................................45
CheckingtheTirePressure...............................46
CheckingtheWheelLugNuts...........................46
AdjustingtheCaster-PivotBearing...................46
ServicingtheGearbox......................................47
CoolingSystemMaintenance..............................48
CoolingSystemSafety.....................................48
CheckingtheCoolingSystem...........................48
CleaningtheRadiator.......................................48
ChangingtheEngineCoolant...........................48
BrakeMaintenance.............................................49
AdjustingtheParkingBrake..............................49
BeltMaintenance................................................51
InspectingtheBelts..........................................51
ReplacingtheMowerBelt.................................51
CheckingtheAlternator-BeltTension................52
ControlsSystemMaintenance.............................52
AdjustingtheControl-HandlePosition..............52
AdjustingtheMotion-ControlLinkage...............53
AdjustingtheMotion-ControlDamper...............54
HydraulicSystemMaintenance...........................54
HydraulicSystemSafety...................................54
ServicingtheHydraulicSystem........................54
MowerDeckMaintenance....................................56
LevelingtheMowerDeck..................................56
ServicingtheCuttingBlades.............................59
ReplacingtheGrassDeector..........................62
Cleaning..............................................................62
CleaningtheEngineandExhaustSystem
Area..............................................................62
CleaningtheMachineandMower
Deck..............................................................62
DisposingofWaste...........................................62
Storage...................................................................63
StorageSafety..................................................63
CleaningandStoringtheMachine....................63
Troubleshooting......................................................64
Schematics.............................................................66
Safety
Thismachinehasbeendesignedinaccordancewith ANSIB71.4-2012.

GeneralSafety

Thisproductiscapableofamputatinghandsand feetandofthrowingobjects.Alwaysfollowallsafety instructionstoavoidseriouspersonalinjury.
Usingthisproductforpurposesotherthanitsintended usecouldprovedangeroustoyouandbystanders.
Alwayskeeptherollbarinthefullyraisedand
lockedpositionandusetheseatbelt.
Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat causesdistractions;otherwise,injuryorproperty damagemayoccur.
Donotoperatethemachineneardrop-offs,
ditches,embankments,water,orotherhazards,or onslopesgreaterthan15degrees.
Readandunderstandthecontentsofthis
Operator’sManualbeforestartingtheengine.
Donotputyourhandsorfeetnearmoving
componentsofthemachine.
Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand workingonthemachine.
Keepchildrenandbystandersoutoftheoperating
area.Neverallowchildrentooperatethemachine.
Stopthemachine,shutofftheengine,andremove
thekeybeforeservicing,fueling,orunclogging themachine.
Improperlyusingormaintainingthismachinecan resultininjury .T oreducethepotentialforinjury, complywiththesesafetyinstructionsandalwayspay attentiontothesafety-alertsymbol,whichmeans Caution,Warning,orDanger—personalsafety instruction.Failuretocomplywiththeseinstructions mayresultinpersonalinjuryordeath.
Youcanndadditionalsafetyinformationwhere neededthroughoutthismanual.
4
SlopeIndicator
Figure3
Youmaycopythispageforpersonaluse.
1.Themaximumslopeyoucanoperatethemachineonis15degrees.Usetheslopecharttodeterminethedegreeofslopeof hillsbeforeoperating.Donotoperatethismachineonaslopegreaterthan15degrees.Foldalongtheappropriateline tomatchtherecommendedslope.
2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.
3.Exampleofhowtocompareslopewithfoldededge
5
g011841
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
BatterySymbols
Someorallofthesesymbolsareonyourbattery .
decal93-7818
93-7818
decalbatterysymbols
1.Warning—readtheOperator'sManualforinstructionson torquingthebladebolt/nutto1 15to149N∙m(85to110 ft-lb).
1.Explosionhazard
6.Keepbystandersasafe distanceawayfromthe battery.
2.Nore,opename,or smoking
7.Weareyeprotection; explosivegasescan causeblindnessandother injuries.
3.Causticliquid/chemical burnhazard
8.Batteryacidcancause blindnessorsevereburns.
4.Weareyeprotection.9.Flusheyesimmediately withwaterandgetmedical helpfast.
5.ReadtheOperator's
Manual.
10.Containslead;donot discard
Manufacturer'sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal machinemanufacturer.
decal99-8936
99-8936
decaloemmarkt
1.Machinespeed4.NEUTRAL
2.FAST5.REVERSE
3.SLOW
1.Grease
1.Donotstephere.
decal106-5517
106-5517
decal58-6520
58-6520
decal93-6687
1.Warning—donottouchthehotsurface.
93-6687
6
decal112-9028
112-9028
1.Warning—stayawayfrommovingparts;keepallguardsin place.
decal116-5988
116-5988
decal107-3069
107-3069
1.Warning—thereisnorolloverprotectionwhentherollbaris down.
2.Toavoidinjuryordeathfromarolloveraccident,keepthe rollbarinthefullyraisedandlockedpositionandwear theseatbelt.Lowertherollbaronlywhenabsolutely necessary;donotweartheseatbeltwhentherollbaris down.
3.ReadtheOperator'sManual;driveslowlyandcarefully .
1.Parkingbrake—engaged2.Parking brake—disengaged
decal116-8283
116-8283
1.Warning—readtheOperator'sManualforinstructionson
torquingthebladebolt/nutto75to81N∙m(55to60ft-lb).
decal117-2718
117-2718
109-6036
RearDischargeMachinesOnly
1.ReadtheOperator’sManual.
2.Removethekeyandreadtheinstructionsbeforeservicing orperformingmaintenance.
3.Heightofcut
decal109-6036
7
1.Enginecoolantunder pressure
2.Explosionhazard—read theOperator'sManual.
117-3276
3.Warning—donottouchthe hotsurface.
4.Warning—readthe Operator'sManual.
decal117-3276
decal126-6464
126-6464
ForModelswithSideDischarge
1.Thrownobjects hazard—keepbystanders asafedistanceawayfrom themachine.
2.Thrownobjects hazard—mower;do notoperatethemachine withoutthedeector, dischargecover,or grass-collectionsystemin place.
3.Cutting/dismembermentof handorfoot—stayaway frommovingparts;keep allguardsandshieldsin place.
126-8383
MachineswithoutMyRideOnly
Note:Thismachinecomplieswiththeindustrystandardstabilitytestinthestaticlateralandlongitudinaltestswiththemaximum
recommendedslopeindicatedonthedecal.ReviewtheinstructionsforoperatingthemachineonslopesintheOperator’sManualas wellastheconditionsinwhichyouwouldoperatethemachinetodeterminewhetheryoucanoperatethemachineinthoseconditions onthatdayandatthatsite.Changesintheterraincanresultinachangeinslopeoperationforthemachine.Ifpossible,keepthe cuttingunitsloweredtothegroundwhileoperatingthemachineonslopes.Raisingthecuttingunitswhileoperatingonslopescan causethemachinetobecomeunstable.
1.Warning—readtheOperator’sManual;donotoperatethis machineunlessyouaretrained;wearhearingprotection.
2.Cutting,dismembering,andentanglementhazard—keep handsawayfrommovingparts;keepallguardsandshieldsin place.
3.Ramphazard—whenloadingontoatrailer,donotusedual ramps;onlyuseasingularrampwideenoughforthemachine andthathasaninclinelessthan15°;backuptheramp(in reverse)anddriveforwardofftheramp.
4.Bodilyharmhazard—donotcarrypassengers;lookbehind youwhenmowinginreverse.
5.Thrownobjecthazard—keepbystandersaway .
6.Tippinghazardonslopes—donotuseonslopesnearopen water;donotuseonslopesgreaterthan15°.
8
decal126-8383
126-9275
ForModelswith152cm(60-inch)or183cm(72-inch)
Decks
decal126-9276
126-9276
ForModelswith183cm(72-inch)DeckswithSide
Discharge
decal126-9275
126-9278
1.Engine—Off4.Pushthebottomofthebuttontolowerthedeck.
2.Engine—On5.Pushthetopofthebuttontoraisethedeck.
3.Engine—Start
9
decal126-9278
decal126-9279
126-9279
1.Readtheinstructionsbeforeservicingorperforming
7.Checkthejackshaft-uidlevel.
maintenancetothemachine.
2.Timeinterval
8.Greasethedeck-drivePTO;refertotheOperator'sManual forfurtherinstructions.
3.Checktheengine-oillevel.9.Checktheaircleaner.
4.Checkthecoolantlevel;refertotheOperator'sManualfor furtherinstructions.
10.Greasetheidlerpivot;refertotheOperator'sManualfor furtherinstructions
5.Checkthetirepressure(2locations).11.Greasethefrontcasterwheelbearings(2locations);referto theOperator'sManualforfurtherinstructions.
6.Checkhydraulic-uidlevel;refertotheOperator'sManual
forfurtherinstructions.
decal126-9280
126-9280
ForModelswith152cm(60-inch)or183cm(72-inch)
DeckswithRearDischarge
12.Greasethefrontcasterpivots(2locations);refertothe Operator'sManualforfurtherinstructions.
decal126-9573
126-9573
ForModelswith152cm(60-inch)DeckswithSide
Discharge
1.Beltrouting
126-9351
1.Chassis(15A)3.Main(25A)
2.Accessory(15A)4.Powerpoint(15A)
decal126-9351
10
decal127-0326
127-0326
1.ReadtheOperator's Manual.
2.Heightofcut
RearDischargeMowersOnly
1.Attention—readthe Operator'sManual.
2.Removethenutbyturning itclockwise.
3.Removethekeyand
127-6662
3.Removetheboltbyturning
readtheOperator's Manualbeforeperforming maintenanceorservicing themachine.
itcounterclockwise.
decal131-1180
131-1180
1.ReadtheOperator'sManual.(A)Short,lightgrass;dry conditions;maximumdispersion;(B)Baggingsetting;(C) Tall,densegrass;wetconditions;maximumgroundspeed
decal135-0328
135-0328
1.Torquethewheellugnuts to129N∙m(95ft-lb).
decal127-6662
2.Readandunderstand theOperator'sManual beforeperformingany maintenance;checkthe torqueaftertherst100 hours,thenevery500 hours,thereafter.
11
1.Thrownobjects hazard—keepbystanders asafedistanceawayfrom themachine.
135-0664
RearDischargeMowersOnly
2.Cutting/dismembermentof
decal135-0664
handandfeet—stayaway frommovingparts;keep allguardsandshieldsin place.
decal135-1432
135-1432
ForModelswith152cm(60-inch)or183cm(72-inch)
Decks
decal135-2837
135-2837
1.ReadtheOperator’sManualformoreinformation;Use redTorowet-clutchtransmissionuid;donotusegreen hydraulicuid.
135-0679
1.Rotatingdrivelinehazard/entanglementhazard;belt—stay awayfrommovingparts;keepallguardsandshieldsin place.
decal135-0679
12
ProductOverview
Figure4
1.Height-of-cutpin
2.Parking-brakelever8.Fuel-tankcap
3.Monitor/controls
4.Rollbar
5.Enginescreen
6.Audiblealarmandpowerpoint12.Mowerdeck
7.Motion-controllever
9.Anti-scalproller
10.Skid
11.Casterwheel
13
g227303
Controls
Becomefamiliarwithallthecontrolsbeforeyoustart theengineandoperatethemachine.
InformationScreen
Theinformationscreendisplaysinformationrelative tomachineoperation;refertotheSoftwareGuidefor moreinformation.
ControlPanel
Figure5
1.Horizondisplaymonitor3.Keyswitch
2.Deck-leftswitch4.PTO

HorizonDisplayMonitor

RefertotheSoftwareGuidefordetailedinformation explainingtheoperatorinterfacethatallowsyouto accessinformation,resetcounters,modifysystem settings,andtroubleshoottheequipment.
Buttons
Themulti-functionalbuttonsarelocatedatthebottom ofthepanel.Theiconsdisplayedontheinformation screenabovethebuttonsindicatethecurrentfunction. Thebuttonsallowyoutoselecttheenginespeedand navigatethroughsystemmenus.
RefertotheSoftwareGuideformoreinformation.
LEDStatusLight
TheLEDstatuslightismulti-coloredtoindicatethe systemstatusandislocatedontherightsideofthe panel.Duringstartup,theLEDilluminatesredto
g225792
orangetogreentoverifyfunctionality.
Solidgreen—indicatesnormaloperatingactivity
Blinkingred—indicatesanactivefault
Blinkinggreenandorange—indicatesthata
clutchresetisrequired
RefertotheSoftwareGuideformoreinformation.
Alarm
Ifanerroroccurs,anerrormessagedisplays,theLED turnsred,andthealarmsoundsaudiblyasfollows:
1.Screen
2.LEDstatuslight
HorizonDisplayMonitor
Figure6
Afastchirpsoundindicatescriticalerrors.
Aslowchirpingsoundindicateslesscriticalerrors,
suchasrequiredmaintenanceorserviceintervals.
Note:Duringstartup,thealarmsoundsbrieyto
verifyfunctionality.
RefertotheSoftwareGuideformoreinformation.
HourMeter
Thehourmeterrecordsthenumberofhoursthe enginehasoperated.Itoperateswhentheengine isrunning.Usethesetimesforschedulingregular maintenance(Figure5).
HoursaredisplayedinEngine-Offscreenorinthe EngineHourCountermenu.
RefertotheSoftwareGuideformoreinformation.
g228164
ThrottleControl
3.Buttons
Thethrottlecontrolstheenginespeed,andthereare 3speeds:Maximum,Efcient,andLow.
RefertotheSoftwareGuideformoreinformation.
14
Deck-LiftSwitch
Attachments/Accessories
Presstheswitchrearwardtoraisethedeck.
Presstheswitchforwardtolowerthedeck.
Blade-ControlSwitch(Power Takeoff)
Theblade-controlswitch(PTO)engagesand disengagespowertothemowerblades(Figure5).
TheLCDindicatorappearsontheinformationscreen whenthePTOswitchisdisengaged.
Note:MachinesequippedwiththeHorizonDisplay
Monitorhaveaclutchsaver,whichallowsthethrottle toautomaticallyreducetheenginespeedwhen youdisengagethePTOswitch.Engagingand disengagingthePTOswitchchangestheengine throttlebetweenMOWandTRANSPORTmode.
Note:Thesystemallowsyoutostartthemachine
withthePTOswitchengaged,butdoesnotengage theblades.EngagingthePTOrequiresyoutoreset thePTOswitchbydisengaging,thenengagingit.
Neutral-LockPosition
AselectionofT oroapprovedattachmentsand accessoriesisavailableforusewiththemachine toenhanceandexpanditscapabilities.Contact yourAuthorizedServiceDealerorauthorizedT oro distributororgotowww.Toro.comforalistofall approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety certicationofthemachine,useonlygenuineT oro replacementpartsandaccessories.Replacement partsandaccessoriesmadebyothermanufacturers couldbedangerous,andsuchusecouldvoidthe productwarranty.
Specications
OverallWidth—SideDischargeMachines
60-inchDeck72-inchDeck
Withoutthedeck
Deectorup156cm(61.4
Deectordown184.9cm(72.8
141.2cm(55.6 inches)
inches)
inches)
152.4cm(60 inches)
186.4cm(73.4 inches)
215.6cm(84.9 inches)
UsetheNEUTRAL-LOCKpositionwiththe safety-interlocksystemtoengageandtodetermine theNEUTRALposition.
KeySwitch
Usethisswitchtostarttheengine.Ithas3positions: START,RUN,andOFF.
Note:TheLCDindicatorsappearwheneachcontrol
meetsthe“safetostart”mode(e.g.,theindicator turnsonwhenyouareintheseat.)
Note:TheengineECUcontrolstheglowplugsduring
coldstarts.Ifthecoolanttemperatureistoolow,the glowsymboldisplaysonthemonitorandthestarter doesnotcrankwhenyouturntheenginetotheSTART position.TheglowplugsactivateintheONorSTART position.Oncetheglowhasbeenonlongenough forthecurrenttemperature,theglowsymbolonthe monitordisappearsandtheenginecrankswhen turnedtotheST ARTposition.
Note:Thesystemallowsyoutostartthemachinethe
withthePTOswitchengaged,butdoesnotengage theblades.YoumustresetthePTOtoengagethe PTO.
OverallWidth—RearDischargeMachines
60-inchDeck72-inchDeck
168.2cm(66.2inches)198.7cm(78.2inches)
OverallLength—SideDischargeMachines
60-inchDeck72-inchDeck
Rollbarupordown
244.9cm(96.4 inches)
OverallLength—RearDischargeMachines
Rollbarupordown
255.5cm(100.6inches)
OverallHeight—AllMachines
Rollbarup
Rollbardown
182.4cm(71.8inches)
129.5cm(51inches)
OverallHeight—AllMachines
Rollbarup
Rollbardown
182.4cm(71.8inches)
129.5cm(51inches)
TreadWidthofDriveWheels—AllMachines
112cm(44.1inches)
253cm(99.6 inches)
15
TreadWidthofCasterWheels (Center-to-CenterofTires)—SideDischarge Machines
60-inchDeck72-inchDeck
101.3cm(39.9inches)120.7cm(47.5inches)
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
TreadWidthofCasterWheels (Center-to-CenterofTires)—RearDischarge Machines
60-inchDeck72-inchDeck
84cm(33.1inches)84cm(33.1inches)
WheelBase(CenterofCasterTiretoCenterof DriveTire)—SideDischargeMachines
60-inchDeck72-inchDeck
146.3cm(57.6inches)154.7cm(60.9inches)
WheelBase(CenterofCasterTiretoCenterof DriveTire)—RearDischargeMachines
60-inchDeck72-inchDeck
157.2cm(61.9inches)157.2cm(61.9inches)
BeforeOperation

BeforeOperationSafety

GeneralSafety

Neverallowchildrenoruntrainedpeopleto
operateorservicethemachine.Localregulations mayrestricttheageoftheoperator.Theowner isresponsiblefortrainingalloperatorsand mechanics.
Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
Knowhowtostopthemachineandshutoffthe
enginequickly.
Checkthatoperator-presencecontrols,safety
switches,andshieldsareattachedandfunctioning properly.Donotoperatethemachineunlessthey arefunctioningproperly.
Beforemowing,alwaysinspectthemachineto
ensurethattheblades,bladebolts,andcutting assembliesareingoodworkingcondition. Replacewornordamagedbladesandboltsinsets topreservebalance.
Inspecttheareawhereyouwillusethemachine
andremoveallobjectsthatthemachinecould throw.
Evaluatetheterraintodeterminetheappropriate
equipmentandanyattachmentsoraccessories requiredtooperatethemachineproperlyand safely.

FuelSafety

Toavoidpersonalinjuryorpropertydamage,use
extremecareinhandlingfuel.Fuelvaporsare ammableandexplosive.
Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.
Useonlyanapprovedfuelcontainer.
Donotremovethefuelcaporaddfueltothefuel
tankwhiletheengineisrunningorwhilehot.
Donotrefuelthemachineindoors.
Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such asonawaterheateroronotherappliances.
Donotllcontainersinsideavehicleoronatruck
ortrailerbedwithaplasticliner.Alwaysplace
16
containersontheground,awayfromyourvehicle beforelling.
Removetheequipmentfromthetruckortrailer
andrefuelitwhileitisontheground.Ifthisisnot possible,thenrefuelfromaportablecontainer ratherthanafuel-dispensernozzle.
Donotoperatethemachinewithouttheentire
exhaustsysteminplaceandinproperworking condition.
Keepthefuel-dispensernozzleincontactwith
therimofthefueltankorcontaineropeningat alltimesuntilfuelingiscomplete.Donotusea nozzlelock-opendevice.
Ifyouspillfuelonyourclothing,changeyour
clothingimmediately.Wipeupanyfuelthatspills.
Neveroverllthefueltank.Replacethefuelcap
andtightenitsecurely.
Storefuelinanapprovedcontainerandkeepit
outofthereachofchildren.Neverbuymorethan a30-daysupplyoffuel.
Donotllthefueltankcompletelyfull.Addfuelto
thefueltankuntilthelevelis6to13mm(1/4to 1/2inch)belowthebottomofthellerneck.This emptyspaceinthetankallowsfueltoexpand.
–Avoidprolongedbreathingofvapors.
–Keepyourfaceawayfromthenozzleandfuel
tankopening.
–Avoidcontactwithskin;washoffspillswith
soapandwater.

AddingFuel

RecommendedFuel

Theenginerunsonclean,freshdieselfuelwith aminimumcetaneratingof40.Purchasefuelin quantitiesthatcanbeusedwithin30daystoensure fuelfreshness.

BiodieselReady

Thismachinecanalsouseabiodieselblendedfuel ofuptoB20(20%biodiesel,80%petrodiesel).The petrodieselportionshouldbeloworultralowsulfur.
Observethefollowingprecautions:
Thebiodieselportionofthefuelmeetspecication
ASTMD6751orEN14214.
TheblendedfuelcompositionshouldmeetASTM
D975orEN590.
Paintedsurfacesmaybedamagedbybiodiesel
blends.
UseB5(biodieselcontendof5%)orlesserblend
incoldweather.
Monitorseals,hoses,gasketsincontactwithfuel
astheymaydegradeovertime.
Fuellterpluggingmaybeexpectedforatime
afterconvertingtobiodieselblends.
Contactyourdistributorifyouwishformore
informationonbiodiesel.

FillingtheFuelTank

1.Parkthemachineonlevelground.
2.Shutofftheengineandengagetheparking brake.
3.Cleanaroundthefuel-tankcap.
4.Fillthefueltanktothebottomofthellerneck (Figure7).
Note:Donotllthefueltankcompletelyfull.
Theemptyspaceinthetankallowsthefuelto expand.
Usesummer-gradedieselfuel(No.2-D)at temperaturesabove-7°C(20°F)andwinter-grade dieselfuel(No.1-DorNo.1-D/2-Dblend)below
-7°C(20°F).Useofwinter-gradedieselfuelatlower temperaturesprovideslowerashpointandpour pointcharacteristics,thereforeeasingstartabilityand lesseningchancesofchemicalseparationofthefuel duetolowertemperatures(waxappearance,which maypluglters).
Usingsummer-gradedieselfuelabove-7°C (20°F)contributestowardlongerlifeofthepump components.
Important:Donotusekeroseneorgasoline
insteadofdieselfuel.Failuretoobservethis cautionwilldamagetheengine.
17

UsingtheRollover ProtectionSystem(ROPS)

WARNING
Toavoidinjuryordeathfromrollover:keep therollbarintheraisedlockedpositionand usetheseatbelt.
Ensurethattherearpartoftheseatissecured withtheseatlatch.
WARNING
Thereisnorolloverprotectionwhentheroll barisinthedownposition.
Lowertherollbaronlywhenabsolutely necessary.
Donotweartheseatbeltwhentherollbar isinthedownposition.
Driveslowlyandcarefully.
Figure7

PerformingDaily Maintenance

Beforestartingthemachineeachday ,performthe EachUse/DailyprocedureslistedinMaintenance
(page34).

BreakinginaNewMachine

Newenginestaketimetodevelopfullpower.Mower decksanddrivesystemshavehigherfrictionwhen new,placingadditionalloadontheengine.Allow 40to50hoursofbreak-intimefornewmachinesto developfullpowerandbestperformance.
Raisetherollbarassoonasclearance permits.
g027726
Checkcarefullyforoverheadclearances (i.e.,branches,doorways,electricalwires) beforedrivingunderanyobjectsanddo notcontactthem.
Important:Lowertherollbaronlywhen
absolutelynecessary.
1.Ensurethattheknobiscompletelylatchedwith thetabsinterlockingasshowninFigure8tolock therollbarintheraisedposition.
2.Tolowertherollbar,applyforwardpressureto theupperpartoftherollbar.
3.Pullbothknobsoutandrotatethem90°sothey arenotengaged(Figure8).
4.Toraisetherollbar,raisetherollbartothe operateposition,rotatetheknobssothatthey movepartiallyintothegrooves(Figure8).
5.Raisetherollbartothefulluprightpositionwhile pushingontheupperrollbarandthepinssnap intopositionwhentheholesalignwiththepins (Figure8).
Important:Alwaysusetheseatbeltwiththe
rollbarintheraisedposition.
18
Figure8
1.Upperpartoftherollbar4.Rotatetheknobout90°
2.Knobinthelatched position
3.Pulltheknobtounlatch.
toholditintheunlatched position.
5.Knobintheunlatched position

UsingtheSafety-Interlock System

WARNING
Ifthesafety-interlockswitchesare disconnectedordamaged,themachinecould operateunexpectedly,causingpersonal injury.
Donottamperwiththeinterlockswitches.
Checktheoperationoftheinterlock switchesdailyandreplaceanydamaged switchesbeforeoperatingthemachine.
g225804

Understandingthe Safety-InterlockSystem

Thesafety-interlocksystemisdesignedtopreventthe enginefromstartingunless:
Theparkingbrakeisengaged.
6.Pushontherollbarandensurethatbothpins areengaged(Figure9).
Figure9
1.Engaged2.Partiallyengaged—donot
operatethemachinewith theROPSinthisposition.
Theblade-controlswitch(PTO)isdisengaged.
Themotion-controlleversareintheNEUTRAL-LOCK
position.
Thesafety-interlocksystemalsoisdesignedtoshut offtheenginewhenthemotion-controlleversare movedfromtheNEUTRAL-LOCKpositionwiththe parkingbrakeengagedorifyourisefromtheseat whenthePTOisengaged.
TheHorizonDisplayMonitorhassymbolstonotify theuserwhentheinterlockcomponentisinthe correctposition.Whenthecomponentisinthecorrect position,thecorrespondingsymboldisplaysonthe
g008619
monitor.
g230650
Figure10
1.Symbolsdisplayonthemonitorwhentheinterlock componentsareinthecorrectposition.
19

TestingtheSafety-Interlock System

ServiceInterval:Beforeeachuseordaily
Testthesafety-interlocksystembeforeyouusethe machineeachtime.Ifthesafetysystemdoesnot operateasdescribedbelow,haveanAuthorized ServiceDealerrepairthesafetysystemimmediately .
1.Sitontheseat,engagetheparkingbrake,and movetheblade-controlswitch(PTO)totheON position.Trystartingtheengine;theengine shouldnotstart.
2.Sitontheseat,engagetheparkingbrake,and movetheblade-controlswitch(PTO)totheOFF position.Moveeithermotion-controlleverout oftheNEUTRAL-LOCKposition.Trystartingthe engine;theengineshouldnotstart.Repeatfor theothercontrollever.
3.Sitontheseat,engagetheparkingbrake, movetheblade-controlswitch(PTO)totheOFF position,andmovethemotion-controllevers totheNEUTRAL-LOCKposition.Nowstartthe engine.Whiletheengineisrunning,disengage theparkingbrake,engagetheblade-control switch(PTO),andriseslightlyfromtheseat;the engineshouldshutoff.
4.Sitontheseat,engagetheparkingbrake, movetheblade-controlswitch(PTO)totheOFF position,andmovethemotion-controllevers totheNEUTRAL-LOCKposition.Nowstartthe engine.Whiletheengineisrunning,center eithermotioncontrolandmove(forwardor reverse);theengineshouldshutoff.Repeatfor othermotioncontrol.
5.Sitontheseat,disengagetheparkingbrake, movetheblade-controlswitch(PTO)totheOFF position,andmovethemotion-controllevers totheNEUTRAL-LOCKposition.Trystartingthe engine;theengineshouldnotstart.
g019754
Figure11

UnlatchingtheSeat

g019755
Figure12
1.Seatlatch2.Seat

ChangingtheSeat Suspension

Theseatisadjustabletoprovideasmoothand comfortableride.Positiontheseatwhereyouare mostcomfortable.
Toadjustit,turntheknobinfronteitherdirectionto providethebestcomfort(Figure13).

PositioningtheSeat

Theseatmovesforwardandbackward.Positionthe seatwhereyouhavethebestcontrolofthemachine andaremostcomfortable.
Toadjust,movetheleversidewaystounlocktheseat (Figure11).
g019768
Figure13
1.Seat-suspensionknob
20
DuringOperation

DuringOperationSafety

GeneralSafety

Theowner/operatorcanpreventandisresponsible
foraccidentsthatmaycausepersonalinjuryor propertydamage.
Wearappropriateclothing,includingeye
protection;longpants;slip-resistant,substantial footwear;andhearingprotection.Tiebacklong hairanddonotwearloosejewelry .
Donotoperatethemachinewhileill,tired,or
undertheinuenceofalcoholordrugs.
Nevercarrypassengersonthemachineandkeep
bystandersandpetsawayfromthemachine duringoperation.
Operatethemachineonlyingoodvisibilitytoavoid
holesorhiddenhazards.
Avoidmowingonwetgrass.Reducedtraction
couldcausethemachinetoslide.
Ensurethatalldrivesareinneutral,theparking
brakeisengaged,andyouareintheoperating positionbeforeyoustarttheengine.
Keepyourhandsandfeetawayfromthecutting
units.Keepclearofthedischargeopeningatall times.
Lookbehindanddownbeforebackinguptobe
sureofaclearpath.
Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscureyour vision.
Donotmowneardrop-offs,ditches,or
embankments.Themachinecouldsuddenlyroll overifawheelgoesovertheedgeoriftheedge givesway .
Stopthebladeswheneveryouarenotmowing.
Stopthemachine,shutofftheengine,remove
thekey,andinspectthebladesafterstrikingan objectorifthereisanabnormalvibrationinthe machine.Makeallnecessaryrepairsbefore resumingoperation.
Slowdownandusecautionwhenmakingturns
andcrossingroadsandsidewalkswiththe machine.Alwaysyieldtheright-of-way.
Disengagethedrivetothecuttingunit,shutoffthe
engine,andremovethekeybeforeadjustingthe heightofcut(unlessyoucanadjustitfromthe operatingposition).
Neverrunanengineinanareawhereexhaust
gasesareenclosed.
Neverleavearunningmachineunattended.
Beforeleavingtheoperatingposition(including
toemptythecatchersortounclogthechute),do thefollowing:
–Stopthemachineonlevelground.
–Disengagethepowertakeoffandlowerthe
attachments.
–Engagetheparkingbrake.
–Shutofftheengineandremovethekey.
–Waitforallmovingpartstostop.
Donotoperatethemachinewhenthereistherisk
oflightning.
Donotusethemachineasatowingvehicleunless
ithasahitchinstalled.
Donotchangethegovernorspeedoroverspeed
theengine.
Useonlyaccessoriesandattachmentsapproved
byT oro.
Thismachineproducessoundlevelsinexcess
of85dBAattheoperator’searandcancause hearinglossthroughextendedperiodsof exposure.
g229846
Figure14
1.Wearhearingprotection.

RolloverProtectionSystem (ROPS)Safety

Donotremovetherollbarfromthemachine.
Ensurethattheseatbeltisattachedandthatyou
canreleaseitquicklyinanemergency.
Alwayswearyourseatbeltwhentherollbarisup.
Checkcarefullyforoverheadobstructionsanddo
notcontactthem.
Keeptherollbarinsafeoperatingconditionby
thoroughlyinspectingitperiodicallyfordamage andkeepingallthemountingfastenerstight.
Replaceadamagedrollbar.Donotrepairoralter
it.

SlopeSafety

Slopesareamajorfactorrelatedtolossofcontrol
androlloveraccidents,whichcanresultinsevere injuryordeath.Theoperatorisresponsiblefor safeslopeoperation.Operatingthemachineon
21
anysloperequiresextracaution.Beforeusingthe machineonaslope,dothefollowing:
–Reviewandunderstandtheslopeinstructions
inthemanualandonthemachine.
–Useanangleindicatortodeterminethe
approximateslopeangleofthearea.
–Neveroperateonslopesgreaterthan15
degrees.
–Evaluatethesiteconditionsofthedayto
determineiftheslopeissafeformachine operation.Usecommonsenseandgood judgmentwhenperformingthisevaluation. Changesintheterrain,suchasmoisture,can quicklyaffecttheoperationofthemachineon aslope.
g221745
Figure15
Identifyhazardsatthebaseoftheslope.Do
notoperatethemachineneardrop-offs,ditches, embankments,water,orotherhazards.The machinecouldsuddenlyrolloverifawheelgoes overtheedgeortheedgecollapses.Keepasafe distance(twicethewidthofthemachine)between themachineandanyhazard.Useawalk-behind machineorahandtrimmertomowthegrassin theseareas.
Avoidstarting,stopping,orturningthemachineon
slopes.Avoidmakingsuddenchangesinspeedor direction;turnslowlyandgradually.
Donotoperateamachineunderanyconditions
wheretraction,steering,orstabilityisinquestion. Beawarethatoperatingthemachineonwet grass,acrossslopes,ordownhillmaycausethe machinetolosetraction.Lossoftractiontothe drivewheelsmayresultinslidingandalossof brakingandsteering.Themachinecanslideeven ifthedrivewheelsarestopped.
Removeormarkobstaclessuchasditches,holes,
ruts,bumps,rocks,orotherhiddenhazards.T all grasscanhideobstacles.Uneventerraincould overturnthemachine.
1.SafeZone—usethe machinehereonslopes lessthan15degreesor atareas.
2.DangerZone—usea walk-behindmowerand/or ahandtrimmeronslopes greaterthan15degrees andneardrop-offsor water.
3.Water
4.W=widthofthemachine
5.Keepasafedistance (twicethewidthofthe machine)betweenthe machineandanyhazard.
Useextracarewhileoperatingwithaccessoriesor
attachments,suchasgrass-collectionsystems. Thesecanchangethestabilityofthemachine andcausealossofcontrol.Followdirectionsfor counterweights.
Ifpossible,keepthedeckloweredtotheground
whileoperatingonslopes.Raisingthedeckwhile operatingonslopescancausethemachineto becomeunstable.
22
OperatingtheParking
OperatingtheMower
Brake
Alwaysengagetheparkingbrakewhenyoustopthe machineorleaveitunattended.

EngagingtheParkingBrake

Parkthemachineonalevelsurface.
Figure16
Blade-ControlSwitch(PTO)
Theblade-controlswitch(PTO)startsandstopsthe mowerbladesandanypoweredattachments.

EngagingtheBlade-Control Switch(PTO)

Note:Engagingtheblade-controlswitch(PTO)with
thethrottlepositionathalforlesscausesexcessive weartothedrivebelts.
g008945
Figure18
g227611

DisengagingtheParkingBrake

Figure17

DisengagingtheBlade-Control Switch(PTO)

g009174
Figure19
g227610
23

StartingtheEngine

Important:Donotengagestarterformorethan5
secondsatatime.Iftheenginefailstostart,wait 15secondsbetweenattempts.Failuretofollow theseinstructionscanburnoutthestartermotor.
Note:Youmayneedmultipleattemptstostartthe
enginethersttimeafteraddingfueltoanemptyfuel system.

ShuttingOfftheEngine

CAUTION
Childrenorbystandersmaybeinjuredifthey moveorattempttooperatethemachinewhile itisunattended.
Alwaysremovethekeyandengagethe parkingbrakewhenleavingthemachine unattended.
Figure20
g230715
Figure21
g230704
24
UsingtheMotion-Control

DrivingtheMachine

Levers
Thedrivewheelsturnindependently,poweredby hydraulicmotorsoneachaxle.Youcanturn1side inreversewhileyouturntheotherforward,causing themachinetospinratherthanturn.Thisgreatly improvesthemachinemaneuverabilitybutmay requiresometimeforyoutoadapttohowitmoves.
Thethrottlecontrolregulatestheenginespeedas measuredinrpm(revolutionsperminute).Place thethrottlecontrolintheFASTpositionforbest performance.Alwaysoperateinthefullthrottle positionwhenmowing.
WARNING
Themachinecanspinveryrapidly .You maylosecontrolofthemachineandcause personalinjuryordamagetothemachine.
Usecautionwhenmakingturns.
Slowthemachinedownbeforemaking sharpturns.

DrivingForward

Figure22
1.Motion-control lever—NEUTRAL-LOCK position
2.Center,unlockedposition5.Frontofmachine
3.Forward
4.Backward
Note:Theengineshutsoffwhenyoumovethe
g004532
traction-controlwiththeparkingbrakeengaged.
Tostopthemachine,pullthemotion-controllevers totheNEUTRALposition.
1.Disengagetheparkingbrake;referto
DisengagingtheParkingBrake(page23).
2.Movetheleverstothecenter,unlockedposition.
3.Togoforward,slowlypushthemotion-control leversforward(Figure23).
25
Figure23

DrivingBackward

1.Movetheleverstothecenter,unlockedposition.
2.Togobackward,slowlypullthemotion-control leversrearward(Figure24).
g008952
Figure24
g008953
26

UsingtheSideDischarge

AdjustingtheHeightofCut

Themowerhasahingedgrassdeectorthat dispersesclippingstothesideanddowntowardthe turf.
DANGER
Withoutagrassdeector,dischargecover,or acompletegrass-catcherassemblymounted inplace,youandothersareexposedtoblade contactandthrowndebris.Contactwith rotatingmowerblade(s)andthrowndebris willcauseinjuryordeath.
Neverremovethegrassdeectorfromthe mowerdeckbecausethegrassdeector routesmaterialdowntowardtheturf.Ifthe grassdeectoriseverdamaged,replaceit immediately.
Neverputyourhandsorfeetunderthe mowerdeck.
Nevertrytoclearthedischargearea ormowerbladesunlessyoumovethe blade-controlswitch(PTO)totheOFF position,rotatethekeyswitchtotheOFF position,andremovethekeyfromthekey switch.
Adjusttheheightofcutfrom25to140mm(1to5-1/2 inches)in6mm(1/4inch)incrementsbymovingthe clevispinintodifferentholelocations.
1.Withtheenginerunning,pushthedeck-lift switchrearwarduntilthemowerdeckisfully raised,andreleasetheswitchimmediately.
2.Rotatetheheight-of-cutpinuntiltherollpin initlinesupwiththeslotsintheholesinthe height-of-cutbracketandremoveit(Figure25).
3.Inserttheheight-of-cutpinintothehole correspondingtothedesiredcuttingheight (Figure25).
Refertothedecalonthesideofthedeck-lift platefortheheightsofcut(Figure25).
4.Usingthedeck-liftswitch,movethedeckheight outofthetransportposition(or5-1/2inches(140 mm)cuttingheight)anddowntotheselected height.
Makesurethatthegrassdeectorisinthe downposition.
g227689
Figure25
1.Height-of-cutbracket2.Height-of-cutpin
27

AdjustingtheAnti-Scalp Rollers

Formaximumdeckotation,installtherollers1hole positionlower.Rollersshouldmaintaina6mm(1/4 inch)clearancetotheground.Donotadjustthe rollerstosupportthedeck.
1.Parkthemachineonalevelsurface.
2.Disengagetheblade-controlswitch(PTO),move themotion-controlleverstotheNEUTRAL-LOCK position,andengagetheparkingbrake.
3.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
4.Adjusttheanti-scalprollersasshowninFigure
26,Figure27,Figure28,andFigure29.
g227782
Figure27
SideDischargeMachines
Figure26
1.Flangenut3.Bushing
2.Anti-scalproller4.Bolt
1.Bolt
2.Bushing5.Flangenut
3.Anti-scalproller
g227785
SideDischargeMachines
1.Bolt
2.Bushing5.Flangenut
3.Anti-scalproller
4.Spacer
g227784
Figure28
4.Spacer
28
6.Ifthecamlocksdonotlockthebafeintoplace oritistootight,loosentheleverandthenrotate thecamlock.
Note:Adjustthecamlockuntilthedesired
lockingpressureisachieved.
Figure29
RearDischargeMachines
1.Bolt3.Anti-scalproller
2.Bushing4.Flangenut
5.Forsidedischargemachines,torquethe
angenutto68to75N∙m(50to55ft-lb).
6.Forreardischargemachines,torquethe
angenutto41to47N∙m(30to35ft-lb).
AdjustingtheFlowBafe CamLocks
ForMachineswithSideDischarge
Thisprocedureisapplicableonlytomachineswiththe ow-bafelocks.Certainmodelshavenutsandbolts inplaceoftheow-bafelocksandcanbeadjusted thesame.
Youcanadjustthemower-dischargeowfordifferent typesofmowingconditions.Positionthecamlocks andbafetogivethebestqualityofcut.
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
g227783
Figure30
g027727
PositioningtheFlowBafe
ForMachineswithSideDischarge
Thefollowingguresareonlyrecommendations foruse.Adjustmentsvarybygrasstype,moisture content,andtheheightofthegrass.
Note:Iftheenginepowerdrawsdownandthe
mowergroundspeedisthesame,openupthebafe.

PositionA

Thisisthefullrearposition.Thesuggestedusefor thispositionisasfollows:
Short,lightgrassmowingconditions
Dryconditions
Smallergrassclippings
Propelsgrassclippingsfartherawayfromthe
mower
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Toadjustthecamlocks,swingtheleverupto loosenthecamlock(Figure30).
4.Adjustthebafeandcamlocksintheslotsto thedesireddischargeow.
5.Swingtheleverbackovertotightenthebafe andcamlocks(Figure30).
g005832
Figure31
29

PositionB

Usethispositionwhenbagging.Alwaysalignitwith thebloweropening.
Figure32

AdjustingtheSkids

ForModelswithRearDischarge
Mounttheskidsinthelowerpositionwhenoperating atheightsofcutgreaterthan51mm(2inches)and inahigherpositionwhenoperatingatheightsofcut lowerthan51mm(2inches).
AdjusttheskidsasshowninFigure34.
g005833

PositionC

Thisisthefullopenposition.Thesuggestedusefor thispositionisasfollows:
Tall,densegrassmowingconditions
Wetconditions
Lowerstheengine-powerconsumption
Allowsincreasedgroundspeedinheavyconditions
g035646
Figure34

OperatingwiththeOverheat Sensor

ThePTOdisengages,analarmsounds,anda bargraphdisplaystheenginetemperaturewhenit reachesanoverheatcondition.ThePTOdoesnot engageuntiltheenginehascooledandyoumanually shutoffthePTOandengageit.
Note:Iftheengine-coolantlevelisbelowtheindicator
lineontheoverowbottlewhentheengineiscold,the coolanttemperaturegaugemaynotregistercorrectly duringoperationand/ortheaudiblealarmmaynot soundiftheengineoverheats.
Figure33
g005834
30
OperatingTips
UsingtheFastThrottleSetting
dropontoyourlawn.Toavoidthis,moveontoa previouslycutareawiththebladesengagedoryou candisengagethemowerdeckwhilemovingforward.
Forbestmowingandmaximumaircirculation,operate theengineattheFASTposition.Airisrequiredto thoroughlycutgrassclippings,sodonotsetthe height-of-cutsolowastototallysurroundthemower deckinuncutgrass.Alwaystrytohave1sideofthe mowerdeckfreefromuncutgrass,whichallowsair tobedrawnintothemowerdeck.
CuttingaLawnfortheFirstTime
Cutgrassslightlylongerthannormaltoensurethat thecuttingheightofthemowerdeckdoesnotscalp anyunevenground.However,thecuttingheight usedinthepastisgenerallythebestonetouse. Whencuttinggrasslongerthan15cm(6inches)tall, youmaywanttocutthelawntwicetoensurean acceptablequalityofcut.
CuttingaThirdoftheGrassBlade
Itisbesttocutonlyaboutathirdofthegrassblade. Cuttingmorethanthatisnotrecommendedunless grassissparse,oritislatefallwhengrassgrows moreslowly.
KeepingtheUndersideofthe MowerDeckClean
Cleanclippingsanddirtfromtheundersideofthe mowerdeckaftereachuse.Ifgrassanddirtbuildup insidethemowerdeck,cuttingqualitywilleventually becomeunsatisfactory.
MaintainingtheBlade(s)
Maintainasharpbladethroughoutthecuttingseason becauseasharpbladecutscleanlywithouttearingor shreddingthegrassblades.T earingandshredding turnsgrassbrownattheedges,whichslowsgrowth andincreasesthechanceofdisease.Checkthe mowerbladesaftereachuseforsharpness,and foranywearordamage.Filedownanynicksand sharpenthebladesasnecessary.Ifabladeis damagedorworn,replaceitimmediatelywitha genuineT ororeplacementblade.
AlternatingtheMowingDirection
Alternatethemowingdirectiontokeepthegrass standingstraight.Thisalsohelpsdisperseclippings, whichenhancesdecompositionandfertilization.
MowingatCorrectIntervals
Grassgrowsatdifferentratesatdifferenttimesof theyear.Tomaintainthesamecuttingheight,mow moreofteninearlyspring.Asthegrassgrowthrate slowsinmidsummer,mowlessfrequently.Ifyou cannotmowforanextendedperiod,rstmowata highcuttingheight,thenmowagain2dayslaterata lowerheightsetting.
UsingaSlowerCuttingSpeed
Toimprovecutquality,useaslowergroundspeed incertainconditions.
AvoidingCuttingTooLow
Whenmowinguneventurf,raisethecuttingheight toavoidscalpingtheturf.
StoppingtheMachine
Ifyoumuststoptheforwardmotionofthemachine whilemowing,aclumpofgrassclippingsmay
31
AfterOperation

AfterOperationSafety

GeneralSafety

Cleangrassanddebrisfromthecuttingunits,
mufers,andenginecompartmenttohelpprevent res.Cleanupoilorfuelspills.
Shutoffthefuelandremovethekeybeforestoring
ortransportingthemachine.
Disengagethedrivetotheattachmentwhenever
youaretransportingornotusingthemachine.
Allowtheenginetocoolbeforestoringthemachine
inanyenclosure.
Neverstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such asonawaterheateroronotherappliances.

TransportingtheMachine

Useaheavy-dutytrailerortrucktotransportthe machine.Useafull-widthramp.Ensurethatthetrailer ortruckhasallthenecessarybrakes,lighting,and markingasrequiredbylaw.Pleasecarefullyreadall thesafetyinstructions.Knowingthisinformationcould helpyouorbystandersavoidinjury.Refertoyour localordinancesfortrailerandtie-downrequirements.
WARNING
Drivingonthestreetorroadwaywithout turnsignals,lights,reectivemarkings,ora slow-moving-vehicleemblemisdangerous andcanleadtoaccidents,causingpersonal injury.
Donotdrivethemachineonapublicstreet orroadway.

SelectingaTrailer

WARNING
Loadingamachineontoatrailerortruck increasesthepossibilityoftip-overandcould causeseriousinjuryordeath(Figure35).
Useonlyafull-widthramp;donotuse individualrampsforeachsideofthe machine.
Donotexceeda15-degreeanglebetween therampandthegroundorbetweenthe rampandthetrailerortruck.
Ensurethatthelengthoftherampisat least4timesaslongastheheightofthe trailerortruckbedtotheground.This ensuresthattherampangledoesnot exceed15degreesonatground.
32
1.Ifusingatrailer,connectittothetowingvehicle andconnectthesafetychains.
2.Ifapplicable,connectthetrailerbrakesand lights.
3.Lowertheramp,ensuringthattheangle betweentherampandthegrounddoesnot exceed15degrees(Figure35).
4.Backthemachineuptheramp(Figure36).
Figure36
g028043
1.Full-widthrampinstowed position
2.Sideviewoffull-width rampinloadingposition
3.Notgreaterthan 15degrees

LoadingtheMachine

Figure35
4.Rampisatleast4times aslongastheheightof thetrailerortruckbedto theground
5.H=heightofthetraileror truckbedtotheground
6.Trailer
1.Backthemachineupthe ramp.
2.Drivethemachineforward downtheramp.
5.Shutofftheengine,removethekey,andengage theparkingbrake.
6.Tiedownthemachinenearthefrontcaster wheelsandtherearbumperwithstraps,chains, cable,orropes(Figure37).Refertolocal regulationsfortie-downrequirements.
g027996
g225819
Figure37
1.Tie-downloops
WARNING
Loadingamachineontoatrailerortruck increasesthepossibilityoftip-overandcould causeseriousinjuryordeath.
Useextremecautionwhenoperatinga machineonaramp.
Backthemachineuptherampanddriveit forwarddowntheramp.
Avoidsuddenaccelerationordeceleration whiledrivingthemachineonarampas thiscouldcausealossofcontrolora tip-oversituation.

UnloadingtheMachine

1.Lowertheramp,ensuringthattheangle betweentherampandthegrounddoesnot exceed15degrees(Figure35).
2.Drivethemachineforwarddowntheramp (Figure36).
33
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
Aftertherst100hours
Aftertherst200hours
Beforeeachuseordaily
Every50hours
Every100hours
Every200hours
MaintenanceProcedure
•Checkthewheellugnuts.
•Adjusttheparkingbrake.
•Changetheengineoilandlter.
•Changethedeckgearboxoil.
•Changethehydraulicuidandlter.
•Checkthesafetysystem.
•Checktheengine-oillevel.
•Checktheengine-coolantlevel.
•Checkthehydraulic-uidlevel.
•Inspecttheblades.
•Cleantheengineandexhaustsystemarea.
•Cleanthegrassanddebrisbuild-upfromthemachineandmowerdeck.
•GreasethedriveU-jointsandsplinedslipjoint.
•Drainthefuellter/waterseparator.
•Checkthetirepressure
•Checkthegearbox-oillevel.
•Cleantheengine-coolingsystem(moreoftenindirtyanddustyconditions).
•Inspectthebeltsforcracksandwear.
•Checkthealternator-belttension.
•ChangetheengineoilandlterifnotusingT oroPremiumEngineOil,butanyoil meetingAPIclassicationCJ-4orhigherorasstatedinEngine-OilSpecications.
•Greasethedeck-idlerpivots.
•Greasethecasterpivots.
•Servicetheaircleaner(Morefrequentlyinextremelydustyordirtyconditions).
•ChangetheengineoilandlterifusingT oroPremiumEngineOil(APIclassication CK-4orhigher)moreoftenindirtyanddustyconditions.
Every400hours
Every500hours
Every800hours
Every2,000hours
Monthly
Yearly
•Replacethefuel-ltercanisterforthewaterseparator(moreoftenindirtyand dustyconditions).
•Checkthefuellinesandconnections.
•Changethedeckgearboxoil.
•Adjusttheparkingbrake.
•ChangethehydraulicuidandlterifusingMobil®424hydraulicuid.
•Adjustthecaster-pivotbearing.
•Inspecttheengine-valveclearance.
•ChangethehydraulicuidandlterifusingT oroPremiumTransmission/Hydraulic TractorFluid.
•Changetheenginecoolant.
•Checkthebatterycharge.
•Lubricatethecaster-wheelhubs.
•Ifyouoperatethemachinelessthan200hours,changetheengineoilandlter.
Important:Refertoyourengineowner'smanualforadditionalmaintenanceprocedures.
34
CAUTION
Ifyouleavethekeyintheswitch,someonecouldaccidentlystarttheengineandseriously injureyouorotherbystanders.
Removethekeyfromtheswitchbeforeyouperformanymaintenance.
Pre-Maintenance Procedures

MaintenanceSafety

Beforerepairingthemachinedothefollowing:
–Disengagethedrives. –Engagetheparkingbrake. –Shutofftheengineandremovethekey.
Parkthemachineonalevelsurface.
Cleangrassanddebrisfromthecuttingunit,
drives,mufers,andenginetohelppreventres.
Cleanupoilorfuelspills.
Donotallowuntrainedpersonneltoservicethe
machine.
Usejackstandstosupportthemachineand/or
componentswhenrequired.
Carefullyreleasepressurefromcomponentswith
storedenergy.
Disconnectthebatterybeforemakinganyrepairs.
Disconnectthenegativeterminalrstandthe positiveterminallast.Connectthepositive terminalrstandnegativelast.
Usecarewhencheckingtheblades.Wrapthe
blade(s)orwearthicklypaddedgloves,anduse cautionwhenservicingthem.Onlyreplaceblades; donotstraightenorweldthem.
Keepyourhandsandfeetawayfrommoving
parts.Ifpossible,donotmakeadjustmentswith theenginerunning.
Keepallpartsingoodworkingcondition
andallhardwaretightened,especiallythe blade-attachmentbolts.Replaceallwornor damageddecals.
Neverinterferewiththeintendedfunctionofa
safetydeviceorreducetheprotectionprovided byasafetydevice.Checktheirproperoperation regularly.
Toensureoptimumperformanceandcontinued
safetycerticationofthemachine,useonly genuineT ororeplacementpartsandaccessories. Replacementpartsandaccessoriesmadeby othermanufacturerscouldbedangerous,and suchusecouldvoidtheproductwarranty.
Checktheparkingbrakeoperationfrequently.
Adjustandserviceasrequired.
35
Lubrication

GreasingtheMachine

ServiceInterval:Every400hours/Yearly(whichever
comesrst)—Greasethedeck-idler pivots.
Greasemorefrequentlywhenoperatingconditions areextremelydustyorsandy.
GreaseType:No.2lithiumormolybdenumgrease
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Cleanthegreasettingswitharag.
Note:Makesurethatyouscrapeanypaintoff
thefrontofthetting(s).
4.Connectagreaseguntothetting.
5.Pumpgreaseintothettingsuntilgreasebegins tooozeoutofthebearings.
6.Wipeupanyexcessgrease.
Refertothefollowingchartforttinglocationsand lubricationschedule.
LubricationChart
Fitting
Locations
1.Deck-drive
PTO
2.Deck-idler
pivots
3.
Caster-wheel bearings
4.Caster
pivots
InitialPumps
13Every50
11Every400
02Yearly
02Every400
Numberof
Places
Service Interval
hours
hoursor
yearly
hoursor
yearly

LubricatingtheDrive U-JointsandSplinedSlip Joint

ServiceInterval:Every50hours—Greasethedrive
U-jointsandsplinedslipjoint.
Note:ForeasieraccesstothedriveU-jointsand
splinedslipjoint,removetheoorpanandfullylower themowerdeck.
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Cleanthegreasettingswitharag.
4.Connectagreaseguntothetting.
5.Pumpgreaseintothettingsuntilgreasebegins tooozeoutofthebearings.
6.Wipeupanyexcessgrease.
g250852
Figure38
36

LubricatingtheCaster Pivots

ServiceInterval:Every400hours/Yearly(whichever
comesrst)
1.Removehexplugandcap.
2.Threadthegreasettingintheholeandpump withgreaseuntilitoozesoutaroundthetop bearing.
3.Removegreasettingandinstalltheplug.
4.Installthecap.
Lubricatingthe
10.Insert1bearingand1newsealintothewheel.
Note:Replacetheseals.
11.Iftheaxleassemblyismissingbothspacernuts, applyathread-lockingadhesiveto1spacernut andthreaditontotheaxlewiththewrenchats facingoutward.
Note:Donotthreadthespacernutallof
thewayontotheendoftheaxle.Leave approximately3mm(1/8inch)fromtheouter surfaceofthespacernuttotheendoftheaxle insidethenut.
12.Inserttheassemblednutandaxleintothewheel onthesideofthewheelwiththenewsealand bearing.
Caster-WheelHubs
ServiceInterval:Y early
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
Figure39
1.Sealguard2.Spacernutwithwrench
ats
3.Raisethemowerforaccess.
4.Removethecasterwheelfromthecasterforks.
5.Removethesealguardsfromthewheelhub.
6.Removeaspacernutfromtheaxleassemblyin thecasterwheel.
13.Withtheopenendofthewheelfacingup,ll theareainsidethewheelaroundtheaxlefullof general-purposegrease.
14.Insertthesecondbearingandnewsealintothe wheel.
15.Applyathread-lockingadhesivetothesecond spacernut,andthreaditontotheaxlewiththe wrenchatsfacingoutward.
16.T orquethenutto8to9N∙m(75to80in-lb), loosen,thentorqueto2to3N∙m(20to25in-lb).
Note:Makesurethattheaxledoesnotextend
beyondeithernut.
17.Installthesealguardsoverthewheelhub,and insertthewheelintothecasterfork.
18.Installthecasterboltandtightenthenutfully.
Important:Topreventsealandbearingdamage,
g006115
checkthebearingadjustmentoften.Spinthe castertire.Thetireshouldnotspinfreely(more than1or2revolutions)orhaveanysideplay.If thewheelspinsfreely,adjustthetorqueonthe spacernutuntilthereisaslightamountofdrag. Applyanotherlayerofthread-lockingadhesive.
Note:Thread-lockingadhesivehasbeen
appliedtolockthespacernutstotheaxle.
7.Removetheaxle(withtheotherspacernutstill assembledtoit)fromthewheelassembly.
8.Pryoutsealsandinspectbearingsforwearor damageandreplaceifnecessary.
9.Packthebearingswithageneral-purpose grease.
37
EngineMaintenance

ServicingtheAirCleaner

ServiceInterval:Every400hours

EngineSafety

Shutofftheenginebeforecheckingtheoilor
addingoiltothecrankcase.
Keepyourhands,feet,face,clothing,andother
bodypartsawaythemuferandotherhotsurfaces.
ServicingtheAirCleaner
CheckingtheAirCleaner
1.Checktheair-cleanerbodyfordamage,which couldpossiblycauseanairleak.
Replaceadamagedair-cleanerbody.
2.Checktheair-intakesystemforleaks,damage, orloosehoseclamps.
3.Servicetheair-cleanerlterwhentheair-cleaner indicatorshowsred(Figure40).
Important:Donotover-servicetheairlter.
Note:Ifthefoamgasketinthecoverisdamaged,
replaceit.
Important:Avoidusinghigh-pressureair,which
couldforcedirtthroughthelterintotheintake tract.
Important:Donotcleantheusedltertoavoid
damagingtheltermedia.
Important:Donotuseadamagedlter.
Important:Donotapplypressuretotheexible
centerofthelter.
Figure40
1.Air-cleanercover5.Air-cleanerindicator
2.Gasket
3.Filter7.Rubberoutletvalve
4.Air-cleanerbody
4.Ensurethatthecoverseatscorrectlyandseals withtheair-cleanerbody .
6.Air-cleanerlatch
g004501
g031807
Figure41
38

ServicingtheEngineOil

Engine-OilSpecications
Theengineshipswithoilinthecrankcase;however, checktheoillevelbeforeandafteryourststart theengine.Checktheoillevelbeforeoperatingthe machineeachdayoreachtimeyouusethemachine.
Crankcasecapacity:6.6L(7USqt)withthelter
Preferredengineoil:T oroPremiumEngineOil
Ifusinganalternateoil,usehigh-quality ,low-ash engineoilthatmeetsorexceedsthefollowing specications:
APIservicecategoryCJ-4orhigher
ACEAservicecategoryE6
JASOservicecategoryDH-2
Important:UsingengineoilotherthanAPI
classicationCJ-4orhigher,ACEAE6,orJASO DH-2maycausethedieselparticulateltertoplug orcauseenginedamage.
g029301
Figure42
Usethefollowingengineoilviscositygrade:
SAE10W-30or5W-30(alltemperatures)
SAE15W-40(above0°F)
Note:ToroPremiumEngineoilisavailablefrom
yourdistributor.SeethePartsCatalogorcontactan authorizedT orodistributorforpartnumbers.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface,lowerthe mowerdeck,movethethrottlelevertotheSLOW position,shutofftheengine,andremovethe key.
2.Openthehood.
3.Checktheengine-oillevelasshowninFigure
42.
39
ChangingtheEngineOilandFilter
ServiceInterval:Aftertherst200hours—Change
theengineoilandlter.
Every200hours—Changetheengineoiland lterifnotusingT oroPremiumEngineOil,but anyoilmeetingAPIclassicationCJ-4orhigher orasstatedinEngine-OilSpecications.
Every400hours—Changetheengineoiland lterifusingT oroPremiumEngineOil(API classicationCK-4orhigher)moreoftenindirty anddustyconditions.
Yearly—Ifyouoperatethemachinelessthan 200hours,changetheengineoilandlter.
Ifpossible,runtheenginejustbeforechangingthe oilbecausewarmoilowsbetterandcarriesmore contaminantsthancoldoil.
1.Parkmachineonalevelsurface.
2.Engagetheparkingbrake.
3.Shutoftheengineandremovethekey.
4.Openthehood.
5.ChangetheengineoilasshowninFigure43.
Figure43
6.Replacetheengine-oillterasshowninFigure
44.
g027477
Figure44
7.Fillthecrankcasewithoil;refertoEngine-Oil
Specications(page39).
g031623
40
FuelSystem
ChangingtheWater
Maintenance
WARNING
Fuel-systemcomponentsareunderhigh pressure.Theuseofimpropercomponents canresultinsystemfailure,fuelleakage,and possibleexplosion.
Useonlyapprovedfuellinesandfuellters.

DrainingtheFuel Filter/WaterSeparator

ServiceInterval:Every50hours—Drainthefuel
lter/waterseparator.
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
Separator
ServiceInterval:Every400hours—Replacethe
fuel-ltercanisterforthewater separator(moreoftenindirtyand dustyconditions).
3.Placeadrainpanunderthefuellterandloosen thedrainplugapproximately1turn(Figure45).
Figure45
1.Fuellter/waterseparator
4.Afterthewaterdrainsandfuelbeginstoow fromthelter,tightenthedrainplug.
g031412
g231880
Figure46
Important:Waterorothercontaminantsin
fuelcandamagethefuelpumpand/orother enginecomponents.
41
InspectingtheEngine-Valve
ElectricalSystem
Clearance
ServiceInterval:Every800hours
Inspecttheengine-valveclearance.Refertothe engineowner’smanual.

CheckingtheFuelLines andConnections

ServiceInterval:Every400hours
Inspectthefuellinesfordeterioration,damage, chafng,orlooseconnections.
Maintenance

ElectricalSystemSafety

Disconnectthebatterybeforerepairingthe
machine.Disconnectthenegativeterminalrst andthepositivelast.Connectthepositiveterminal rstandthenegativelast.
Chargethebatteryinanopen,well-ventilated
area,awayfromsparksandames.Unplugthe chargerbeforeconnectingordisconnectingthe battery.Wearprotectiveclothinganduseinsulated tools.

ServicingtheBattery

DANGER
Batteryelectrolytecontainssulfuricacid, whichisfatalifconsumedandcausessevere burns.
Donotdrinkelectrolyteandavoidcontact withskin,eyesorclothing.Wearsafety glassestoshieldyoureyesandrubbergloves toprotectyourhands.
RemovingtheBattery
WARNING
Batteryterminalsormetaltoolscouldshort againstmetalmachinecomponents,causing sparks.Sparkscancausethebatterygasses toexplode,resultinginpersonalinjury.
Whenremovingorinstallingthebattery, donotallowthebatteryterminalstotouch anymetalpartsofthemachine.
Donotallowmetaltoolstoshortbetween thebatteryterminalsandmetalpartsofthe machine.
42
WARNING
Incorrectbatterycableroutingcoulddamage themachineandcablescausingsparks. Sparkscancausethebatterygassesto explode,resultinginpersonalinjury.
Alwaysdisconnectthenegative(black) batterycablebeforedisconnectingthe positive(red)cable.
Alwaysconnectthepositive(red)battery cablebeforeconnectingthenegative (black)cable.
1.Disengagetheblade-controlswitch(PTO),move themotion-controlleverstotheNEUTRAL-LOCK position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Unlatchtheseatandtilttheseatup.
4.RemovethebatteryasshowninFigure47.
InstallingtheBattery
Note:Positionthebatteryinthetraywiththeterminal
postsoppositefromthehydraulictank.
Figure47
g032751
Figure48
ChargingtheBattery
ServiceInterval:Monthly—Checkthebatterycharge.
WARNING
Chargingthebatteryproducesgassesthat canexplode.
Neversmokenearthebatteryandkeepsparks andamesawayfrombattery.
Important:Alwayskeepthebatteryfullycharged
(1.265specicgravity).Thisisespecially importanttopreventbatterydamagewhenthe temperatureisbelow0°C(32°F).
1.Makesurethatthellercapsareinstalledin battery.Chargebatteryfor10to15minutesat
g032750
25to30Aor30minutesat10A.
2.Whenthebatteryisfullycharged,unplug thechargerfromtheelectricaloutlet,then disconnectthechargerleadsfromthebattery posts(Figure49).
3.Installthebatteryinthemachineandconnect thebatterycables,refertoInstallingtheBattery
(page43).
43
Note:Donotrunthemachinewiththebattery
disconnected,electricaldamagemayoccur.
DriveSystem Maintenance

ReleasingtheDriveWheel ReleaseValves

Usethedrivewheelreleasevalvestoreleasethe hydrostaticdrivesystem,whichallowsyoutopushthe machinewithouttherunningtheengine.
Rotateeachbypassvalvecounterclockwise1turnto release;rotateeachbypassvalveclockwisetoreset system(Figure51).
Figure49
1.Positivebatterypost
2.Negativebatterypost
3.Red(+)chargerlead
4.Black(-)chargerlead

ServicingtheFuses

Theelectricalsystemisprotectedbyfuses.Itrequires nomaintenance,however,ifafuseblowscheck component/circuitformalfunctionorshort.
1.Unlatchtheenginehoodandraisetheengine hoodtogainaccesstothefuseblock.
2.T oreplacethefuses,pulloutonthefuseto removeit.
3.Installanewfuse(Figure50).
g000960
Important:Donotovertighten.Donottowthe
machine.
Figure51
1.Rightbypassvalve
2.Leftbypassvalve
g004644
Figure50
1.Accessory(15A)3.Main(25A)
2.Chassis(15A)4.Powerpoint(15A)
g235614
44

AdjustingtheTracking

1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.MovethethrottlemidwaybetweenFASTand Slow.
4.Movebothmotion-controlleversalltheway forwarduntiltheybothhitthestopsintheT-slot.
5.Checkwhichwaythemachinetracks.
Ifittrackstotheright,loosentheboltsand
adjusttheleftstopplaterearwardonthe leftT-slotuntilthemachinetracksstraight (Figure52).
Ifittrackstotheleft,loosentheboltsand
adjusttherightstopplaterearwardonthe rightT-slotuntilthemachinetracksstraight (Figure52).
6.Tightenthestopplate(Figure52).
g009195
Figure53
Figure52
1.Controllever3.Stopplate
2.Bolt
7.Aligntheleversinthefront-to-rearpositionby bringingtheleverstogethertotheNEUTRAL position,andslidethemuntiltheyarealigned, thentightenthebolts(Figure53).
8.Ifalignmentisneeded,loosenthe2 motion-controllevermountingboltsonthe misalignedside(Figure54).
g254284
g254283
Figure54
9.Movemotion-controllevertomeettheopposite side.
10.Tightenthe2motion-controllevermounting bolts(Figure54).
45

CheckingtheTirePressure

AdjustingtheCaster-Pivot
ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Reartireairpressurespecication:124kPa(18 psi).
Note:Thecastertiresaresemi-pneumatictiresand
donotrequireairpressuremaintenance.
DANGER
Lowtirepressuredecreasesmachineside-hill stability.Thiscouldcausearollover,which mayresultinpersonalinjuryordeath.
Donotunder-inatethetires.
Checktheairpressureinthereartires.Addorremove airasneededtosettheairpressureinthetirestothe tireairpressurespecication.
Important:Maintainpressureinalltiresto
ensureagoodqualityofcutandpropermachine performance.
Checktheairpressureinallthetiresbefore operatingthemachine.
Bearing
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Removethedustcapfromthecasterandtighten thelocknut(Figure56).
4.Tightenthelocknutuntilthespringwashersare at,andthenbackoffa1/4turntoproperlyset thepreloadonthebearings(Figure56).
Important:Makesurethatthespring
washersareinstalledcorrectlyasshownin
Figure56.
5.Installthedustcap(Figure56).
Figure55

CheckingtheWheelLug Nuts

ServiceInterval:Aftertherst100hours—Checkthe
wheellugnuts.
Torquethewheellugnutsto1 15to142N∙m(85to 105ft-lb).
g001055
g228558
Figure56
1.Springdiscwashers
46

ServicingtheGearbox

CheckingtheGearbox-OilLevel
ChangingtheGearboxOil
ServiceInterval:Aftertherst200hours
Every400hours
ServiceInterval:Every50hours
UseSAE75W-90syntheticgearlube.
1.Parkthemachineonalevelsurfaceandengage theparkingbrake.
2.Lowerthemowerdecktothe25mm(1inch) heightofcut.
3.Disengagetheblade-controlswitch,shutoffthe engine,removethekey,andwaitforallmoving partstostopbeforeleavingtheoperating position.
4.Liftthefootresttoexposethetopofthemower deck.
5.Removethedipstick/llplugfromthetopofthe gearboxandensurethatthelubricantisbetween themarksonthedipstick(Figure57).
Iftheoilbecomescontaminated,contactyourT oro Distributorbecausethesystemmustbeushed. Contaminatedoillooksmilkyorblackwhencompared tocleanoil.
1.Parkthemachineonalevelsurfaceandengage theparkingbrake.
2.Lowerthemowerdecktothe25mm(1inch) heightofcut.
3.Disengagetheblade-controlswitch,shutoffthe engine,removethekey,andwaitforallmoving partstostopbeforeleavingtheoperating position.
4.Liftthefootresttoexposethetopofthemower deck.
5.Removethedipstick/llplugfromthetopofthe gearboxandensurethatthelubricantisbetween themarksonthedipstick(Figure57).
6.Extracttheoilthroughthellportusinga vacuumdeviceorremovethegearboxfromthe deckandpourouttheoilintoadrainpan.
7.Installthegearbox(ifitwasremovedtodrain).
Figure57
1.Fillplug/dipstick
6.Iftheoillevelislow,addenoughlubricantuntil thelevelisbetweenthemarksonthedipstick.
Important:Donotoverllthegearbox;
overllingthegearboxmaydamageit.
8.Addapproximately420ml(14oz),untilthe levelisbetweenthemarksonthedipstick
Important:Donotoverllthegearbox;
overllingthegearboxmaydamageit.
g231764
47
CoolingSystem
5.Closethehood.
Maintenance

CoolingSystemSafety

Swallowingenginecoolantcancause
poisoning;keepoutofreachfromchildrenand pets.
Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.

CheckingtheCooling System

ServiceInterval:Beforeeachuseordaily
Coolantspecication:50/50solutionofwaterand
permanentethylene-glycolantifreeze
Cooling-systemcapacity:7.6L(8USqt)
1.Openthehood.
2.Checkthelevelofthecoolantintheexpansion tank(Figure58).
Note:Thecoolantlevelshouldbebetweenthe
marksonthesideofthetank.

CleaningtheRadiator

ServiceInterval:Every50hours—Cleanthe
engine-coolingsystem(moreoften indirtyanddustyconditions).
Cleantheradiatortopreventtheenginefrom overheating.
Note:Ifthemowerdeckorengineshutsoffdueto
overheating,checktheradiatorforexcessivebuildup ofdebris.
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Rotatethehoodforward.
4.Usingcompressedair,blowoutdebrisstuck betweenthensoftheentireradiator,bothfrom thetopdownandbottomup.
5.Ifdebrisremains,itmaybenecessarytouse waterfromalow-pressurehose.
Iftheradiatorisclean,proceedtostep7.
6.Covertheenginewithapieceofcardboardor aplasticsheet.Squirtwaterthroughthens. Blowthroughwithlow-pressureairfromboth directions.
Note:Ifdebrisremains,repeatuntilclean.
7.Lowerthehood.
8.Starttheenginetoensurethatthefanfunctions properly.
Figure58
1.Expansion-tankcap3.Addline
2.Fullline
3.Ifcoolantlevelislow,removetheexpansion-tank cap,andaddthespeciedcoolant(Figure58).
Important:Donotoverll.
4.Installtheexpansion-tankcap.

ChangingtheEngine Coolant

ServiceInterval:Every2,000hours/Every2years
(whichevercomesrst)
1.Parkthemachineonalevelsurface,disengage
g227787
48
theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Rotatethehoodforward.
4.Drainthecoolantwhentheengineiscool.
5.Removetheradiatorcap,placeapanunder theradiator,andremovethedrainplugatthe bottomoftheradiator.
6.Removethecoolanthosefromtheoilcoolerand drainthecoolantfromtheengineblock(Figure
59).
BrakeMaintenance

AdjustingtheParking Brake

ServiceInterval:Aftertherst100hours
Every400hours
Checktoensurethatparkingbrakeisadjusted properly.Thisproceduremustbefollowedafterthe rst100hoursorwhenabrakecomponenthasbeen removedorreplaced.
Figure59
1.Coolanthose
7.Installthedrainplugsandhoses.
8.Fillradiatorwitha50/50mixofwaterand ethyleneglycol.
Note:TheuseofHavoline
coolantisrecommended.
Allowsomeroom(approximately12.7mm(1/2 inch))forexpansion.Add50/50coolantmixto theoverowbottleontheleftsideoftheengine asrequiredtobringtheleveluptotheindicator lineonthebottle.
9.Operateengineuntiltheenginethermostat opensandthecoolantiscirculatingthroughthe radiatorcore.
Asairpurgesfromtheengineblockandthe coolantleveldrops,addadditionalcoolanttothe radiator.
XtendedLife
®
g233651
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Raisetherearofthemachineupandsupport themachinewithjackstands.
4.Removethereartiresfromthemachine.
5.Removeanydebrisfromthebrakearea.
6.Releasethedrivewheels;refertoReleasingthe
DriveWheelReleaseValves(page44).
7.Measurethelengthofthelinkassembly(Figure
60).
Note:Ifthelinkassemblyisattachedinthe
frontposition,thelengthshouldbe21.9cm
(8.63inches);ifitisattachedintherearposition, thelengthshouldbe23.2cm(9.15inches).
10.Whentheradiatoriscompletelyfullandno additionalcoolantcanbeadded,continue runningandinstalltheradiatorcap.
Ensurethatthecapiscompletelyseatedby pressingdownrmlywhileturning,untilthecap stops.Oncethecapisinstalled,shutoffthe engine.
49
13.Repeatsteps10through12untilavisiblegap isachievedandthewheelhubrotatesfreely . Repeatthisprocedurefortheotherside.
Note:Thebrakeshouldfullydisengagewhen
thebrakeisinthereleasedposition.
14.Rotatethedrivewheelreleasehandletothe operatingposition;refertoReleasingtheDrive
WheelReleaseV alves(page44).
15.Installthereartiresandtorquethelugnutsto 115to142N∙m(85to105ft-lb).
16.Removethejackstands.
Figure60
1.Frontlocation
2.Rearlocation6.Linkassembly
3.8.3cm(3-1/4inches)
4.Gap
5.Spring
7.Length
8.Measurethelengthofthespring(Figure60).
Note:Themeasurementshouldbe8.3cm
(3-1/4inches).
9.Whenyouachievethecorrectspringlength, checktoseeifthereisavisiblegapbetweenthe trunionandtheshoulder.
10.Disengagetheparkingbrakeandturnthewheel hubbyhandinbothdirections.
Note:Thewheelhubshouldmovefreely.
11.Ifagapisneededorthewheelhubdoesmove freely,dothefollowing:
A.Disengagetheparkingbrake.
g228555
B.Disconnectandne-tunetherearlinkage
assembly.
Shortenthelinktocreateagap.
Lengthenthelinktoallowwheelhub
movement.
C.Connecttherearlinkageassembly.
12.Engagetheparkingbrakeandcheckthegap.
50
BeltMaintenance

InspectingtheBelts

ServiceInterval:Every50hours
Checkthebeltswhenevertheysquealwhilerotating, thebladesslipwhilecuttinggrass,orifthebeltshave frayededges,burnmarks,orcracks.Ifanyofthese conditionsoccur,replacethebelts.

ReplacingtheMowerBelt

Squealingwhenthebeltisrotating,bladesslipping whencuttinggrass,frayedbeltedges,burnmarks andcracksaresignsofawornmowerbelt.Replace thebeltifanyoftheseconditionsareevident.
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
Figure62
RearDischargeMachineShown
1.Spring3.Spring-loadedidlerpulley
2.Squareholeintheidler armfortheratchet
4.Mowerbelt
g235768
3.Lowerthemowertothe76mm(3inches)height ofcut.
4.Removethebeltcovers(Figure61).
Figure61
5.Usearatchetinthesquareholeintheidlerarm toremovetensionontheidlerspring(Figure62 orFigure63).
6.Removethebeltfromthemower-deckpulley.
7.Installthenewbeltaroundthemowerpulleys (Figure62orFigure63).
g235769
Figure63
SideDischargeMachineShown
g027729
1.Spring-loadedidlerpulley3.Spring
2.Squareholeintheidler armfortheratchet
4.Mowerbelt
8.Ensurethatthespringendsareseatedinthe
anchorgrooves,andusingtheratchetinthe squarehole,installthebeltaroundtheidler pulley(Figure62orFigure63).
9.Installthebeltcovers(Figure64).
51
ControlsSystem Maintenance

Adjustingthe Control-HandlePosition

Thereare2heightpositionsforthecontrol levers—highandlow.Removetheboltstoadjustthe heightfortheoperator.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andengagetheparking brake.
Figure64

Checkingthe Alternator-BeltTension

ServiceInterval:Every100hours
1.Apply44N(10lb)offorcetothealternatorbelt, midwaybetweenthepulleys.
2.Ifthedeectionisnot10mm(3/8inch),loosen thealternatormountingbolts(Figure65).
g027730
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Loosentheboltsandangenutsinstalledinthe levers(Figure66).
4.Aligntheleversinthefront-to-rearpositionby bringingtheleverstogethertotheNEUTRAL position,andslidethemuntiltheyarealigned, thentightenthebolts(Figure67).
g009040
Figure66
Figure65
1.Mountingbolt2.Alternator
3.Increaseordecreasethealternator-belttension.
4.Tightenthemountingbolts.
5.Checkthedeectionofthebeltagaintoensure thatthetensioniscorrect.
1.Bolt
2.Handle4.Nut
g008932
52
3.Controllever
Figure67
5.Iftheendsofthelevershitagainsteachother, repeatthisprocedure.
5.T emporarilyinstallajumperwireacrossthe
terminalsintheconnectorofthemainwire harness.
6.Starttheengineandrunitatfullthrottleand disengagethebrake.
Note:Y oudonotneedtobeintheseat
becausethejumperwireisbeingused.
7.Runtheunitforatleast5minuteswiththedrive leversatfullforwardspeedtobringthehydraulic uiduptotheoperatingtemperature.
Note:Themotion-controlleversneedsto
beinneutralwhilemakinganynecessary adjustments.
8.Bringthemotion-controlleversintotheNEUTRAL position.
9.Adjustthepumpcontrolrodlengthsbyrotating
g009195
thedoublenutsontherodintheappropriate directionuntilthewheelsslightlycreepin reverse(Figure68).

Adjustingthe Motion-ControlLinkage

Locatedoneithersideofthefueltank,belowtheseat arethepump-controllinkages.Rotatingthepump linkagewithawrench(1/2inch)allowsnetuning adjustmentssothatthemachinedoesnotmovein neutral.Anyadjustmentsshouldbemadeforneutral positioningonly.
WARNING
Toadjustthemotioncontrol,youmustrun theengineandturnthedrivewheels.Contact withmovingpartsorhotsurfacesmaycause personalinjury.
Keepyourngers,hands,andclothingclear ofrotatingcomponentsandhotsurfaces.
1.Priortostartingtheengine,pushthedeck-lift pedal,andremovetheheight-of-cutpin.
2.Lowerdecktotheground.
3.Raisetherearofmachineupandsupportitwith jackstands(orequivalentsupport).
Note:Raisethemachinejusthighenoughto
allowthedrivewheelstoturnfreely.
4.Removetheelectricalconnectionfromtheseat safetyswitch,locatedunderthebottomcushion oftheseat.
Note:Theswitchisapartoftheseatassembly.
Figure68
1.Turnheretoadjust.
10.Movethemotion-controlleverstothereverse positionandwhileapplyingslightpressureto thelever,allowthereverse-indicatorspringsto bringtheleversbacktoneutral.
2.Loosenhere(right-hand thread).
Note:Thewheelsmuststopturningorslightly
creepinreverse.
11.Shutoffthemachine,removethejumperwire fromthewireharness,andplugtheconnector intotheseatswitch.
12.Removethejackstands.
13.Raisethedeckandinstalltheheight-of-cutpin.
14.Checkthatthemachinedoesnotcreepin neutralwiththeparkbrakesdisengaged.
g228557
53
Adjustingthe
HydraulicSystem
Motion-ControlDamper
Youcanadjustthetopdamper-mountingbolttoobtain thedesiredmotion-controlleverresistance.Referto
Figure69formountingoptions.
Figure69
RightMotionControlShown
1.Torquethelocknutto23N-m(17ft-lb).Theboltmust protrudepasttheendofthelocknutaftertorquing.
2.Mostresistance(rmestfeel)
3.Damper
4.Mediumresistance(mediumfeel)
5.Leastresistance(softestfeel)
Maintenance

HydraulicSystemSafety

Seekimmediatemedicalattentionifuidisinjected
intoskin.Injecteduidmustbesurgicallyremoved withinafewhoursbyadoctor.
Ensurethatallhydraulic-uidhosesandlinesare
ingoodconditionandallhydraulicconnections andttingsaretightbeforeapplyingpressureto thehydraulicsystem.
Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic uid.
Usecardboardorpapertondhydraulicleaks.
Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
g008620
system.

ServicingtheHydraulic System

Hydraulic-FluidSpecications
Hydraulic-tankcapacity:15.1L(16USqt)
Recommendeduid:T oroPremium
Transmission/HydraulicTractorFluid(availablein 5-gallonpailsor55-gallondrums.SeetheParts CatalogorcontactanauthorizedTorodistributorfor partnumbers.)
Alternateuids:IftheTorouidisnotavailable, Mobil®424hydraulicuidmaybeused.
Note:T orodoesnotassumeresponsibilityfor
damagecausedbyimpropersubstitutions.
Note:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditive forthehydraulic-systemuidisavailablein20ml (2/3oz)bottles.1bottleissufcientfor15to22L (4to6gallons)ofhydraulicuid.OrderPartNumber 44-2500fromyourauthorizedT orodistributor.
CheckingtheHydraulic-Fluid Level
ServiceInterval:Beforeeachuseordaily
Checkthehydraulic-uidlevelbeforeyourststart theengineanddailythereafter.
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
54
2.Movethemotion-controlleverstothe NEUTRAL-LOCKpositionandstarttheengine.
Note:Runtheengineatthelowestpossible
rpmtopurgeanyairinthesystem.
Important:DonotengagethePTO.
3.Raisethedecktoextendtheliftcylinders,shut offtheengine,andremovethekey.
4.Raisetheseattoaccessthehydraulic-uidtank.
5.Removethehydraulic-tankcap(Figure70).
Figure70
1.Hydraulic-tankcap3.Fillerneck
2.Dipstick
8.Replacethedipstickandthreadthellcap nger-tightontothellerneck.
9.Checkallhosesandttingsforleaks.
ChangingtheHydraulicFluidand Filter
ServiceInterval:Aftertherst200hours—Change
thehydraulicuidandlter.
Every400hours—Changethehydraulicuid andlterifusingMobil®424hydraulicuid.
Every800hours—Changethehydraulic uidandlterifusingT oroPremium Transmission/HydraulicTractorFluid.
1.DisengagethePTO,movethemotion-control leverstotheNEUTRAL-LOCKposition,and engagetheparkingbrake.
2.MovethethrottlelevertotheSLOWposition, shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Raisetheseat.
g227849
4.Placealargedrainpanunderthehydraulic reservoir,transmissioncase,andtheleftand rightwheelmotors(Figure72).
6.Removethedipstickandwipeitwithacleanrag (Figure70).
7.Placethedipstickintothellerneck,removeit, andchecktheuidlevel(Figure71).
Note:Ifthelevelisnotwithinthenotchedarea
ofthedipstick,addenoughhigh-qualityhydraulic uidtoraisetheleveltowithinthenotchedarea.
Important:Donotoverll.
Figure71
g231945
Figure72
1.Rearframe
2.Leftwheelmotordrain plug
3.Hydraulicreservoirdrain
g228816
plug
4.Transmissioncasedrain plug
5.Rightwheelmotordrain plug
6.Hydraulic-uidlter
1.Fullline2.Addline
5.Removethedrainplugsfromeachareaand allowthehydraulicuidtodrain(Figure72).
55
6.Cleantheareaaroundthehydraulic-uidlter andremovethelter(Figure72).
MowerDeck
7.Installanewhydraulic-uidlterandturnthe lterclockwiseuntiltherubbersealcontactsthe lteradapter,thentightenthelteranadditional 2/3to3/4turn.
8.Installthe4drainplugs.
Note:Thewheelmotordrainplugsare
magnetic;wipethemcleanbeforeinstalling.
9.Removethell-portplugonthetopofeach wheelmotor(Figure73).
A.Filleachwheelmotorwithapproximately
1.4L(1.5USqt)ofToroRubyTransmission Fluid.
B.Installthell-portplugs.
Maintenance

LevelingtheMowerDeck

SettinguptheMachine
Note:Ensurethatthemowerdeckislevelbefore
matchingtheheightofcut(HOC).
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Checktirepressureofthedrivetires.
Ifneeded,adjustto124kPa(18psi).
4.Positionthemowertothe76mm(3inches) height-of-cutposition.
LevelingtheDeck
1.Positionthemachineonaatsurface.
2.Shutofftheengine,waitforallmovingpartsto stop,removethekey ,andengagetheparking brake.
3.Checkthetirepressureinthedrivetires.
4.Usingthedeck-liftswitch,movethedeckheight outofthetransportposition(or5-1/2inches (140mm)cuttingheight).
Figure73
1.Fillport
10.Removethereservoircapanddipstickfromthe hydraulic-uidtank.
11.Add7.6L(8USqt)ofuidtothereservoir.
12.Raisetherearofmachineupandsupportitwith jackstands(orequivalentsupport)justhigh enoughtoallowthedrivewheelstoturnfreely.
13.Starttheengineandcheckforuidleaks.
Allowtheenginetorunforabout5minutes,then shutitoff.
14.After2minutes,checkthelevelofthehydraulic uid;refertoCheckingtheHydraulic-FluidLevel
(page54).
g235097
g227689
Figure74
1.Height-of-cutbracket2.Height-of-cutpin
5.Inserttheheight-adjustmentpinintothe76mm (3inches)height-of-cutlocation.
6.Releasethetransportlockandallowthedeckto lowertothecuttingheight.
56
7.Raisethedischargedeector(sidedischarge mowersonly).
8.Measurefromthelevelsurfacetothefronttipof thecenterblade(Figure75).
Note:Themeasurementshouldread7.6mm
(3inches).
Inmostconditions,thebacktipsontheside bladesshouldbeadjustedasfollows:
SideDischargeMachines:6.4mm(1/4
inch)higherthanthefront.
RearDischargeMachines:shouldbelevel
withthefront.
g231991
Figure76
1.Deckadjustment3.Adjustmentnut
2.Jamnut
Figure75
1.SideDischarge:8.3
cm(3-1/4inches);Rear Discharge:7.6cm(3 inches).
2.Rearbladetip
3.Frontbladetip
4.7.6cm(3inches)
5.Levelsurface
9.Fine-tunetheadjustmentnutonthefrontdeck liftassemblybyturningit(Figure76).
Note:T oincreasetheheight,turnthe
adjustmentnutclockwise;todecrease,turn counterclockwise.
Note:Ifthefrontdecklinksdonothaveenough
adjustmenttoachieveaccuratecutheight,the single-pointadjustmentcanbeutilizedtogain moreadjustment.
10.Measuretherearbladetipheight.Fine-tune therearadjustersasrequired;thesingle-point adjustmentcanbeutilizedtogainmore adjustment.
SideDischargeMachines:thereartips
g009997
ofthesidebladesshouldmeasure8.3cm (3-1/4inches).
RearDischargeMachines:thereartipsof
thesidebladesshouldmeasure7.6cm(3 inches).
11.Measureuntilall4sidesarethecorrect height.Tightenallthenutsonthedeck-liftarm assemblies.
12.Lowerthedischargedeector(sidedischarge mowersonly).
13.Ifthe4deckadjustersdonothaveenough adjustmenttoachievetheaccurateheightof cutwiththedesiredrake,youcanadjustthe single-pointsystem(Figure77).
57
Figure77
adjustmentboltbyrotatingitcounterclockwise (Figure79).
Note:Loosenortightenthesingle-point
adjustmentboltenoughtomovethe height-of-cutplatemountingboltsatleast1/3 thelengthoftheavailabletravelintheirslots. Thisregainssomeupanddownadjustmenton eachofthe4decklinks.
g232012
1.Single-pointheight adjustmentbolt
2.Frontheight-of-cutplate mountingbolt
3.Rearheight-of-cutplate mountingbolt
14.T oadjustthesingle-pointsystem,rstloosen thefrontandrearheight-of-cutplatemounting bolts(Figure77).
Note:RearDischargeMachinesOnly:The
mowerdeckisattachedinthefrontholesatthe factory(Figure78).Ifneeded,usetheback holesforfurtheradjustmentwhenlevelingthe mowerdeck.
g009042
Figure79
1.Single-point-adjustmentbolt
16.Tightenthe2boltsatthebottomofthe height-of-cutplate(Figure77).
Note:Formostconditions,adjusttheblack
bladetip6.4mm(1/4inch)higherthanthefront.
17.T orquethe2boltsto91to1 13N∙m(67to83 ft-lb).
18.Measureuntilall4sidesarethecorrect height.Tightenallthenutsonthedeckliftarm assemblies.
Figure78
1.Mowerdeck3.Backhole
2.Fronthole
15.Ifthedeckistoolow,tightenthesingle-point adjustmentboltbyrotatingitclockwise.If thedeckistoohigh,loosenthesingle-point
g025558
58

ServicingtheCutting Blades

Toensureasuperiorqualityofcut,keeptheblades sharp.Forconvenientsharpeningandreplacement, keepextrabladesonhand.
BladeSafety
Awornordamagedbladecanbreak,andapieceof thebladecouldbethrowntowardyouorbystanders, resultinginseriouspersonalinjuryordeath.Tryingto repairadamagedblademayresultindiscontinued safetycerticationoftheproduct.
Inspectthebladesperiodicallyforwearordamage.
Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen servicingtheblades.Onlyreplaceorsharpenthe blades;neverstraightenorweldthem.
Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
BeforeInspectingorServicingthe Blades
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch,andengagetheparking brake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
g006530
Figure80
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
CheckingforBentBlades
1.Disengagetheblade-controlswitch(PTO),move themotion-controlleverstotheNEUTRAL-LOCK position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Rotatethebladesuntiltheendsfaceforward andbackward(Figure81).
4.Measurefromalevelsurfacetothecutting edge,positionA,oftheblades(Figure81).
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure80).
2.Iftheedgesarenotsharporhavenicks,remove andsharpentheblade;refertoSharpeningthe
Blades(page61).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforming inthisarea,immediatelyinstallanewblade (Figure80).
Figure81
1.Measureherefromthe bladetoahardsurface
5.Rotatetheoppositeendsofthebladesforward.
6.Measurefromalevelsurfacetothecuttingedge
ofthebladesatthesamepositionasinstep4.
2.PositionA
g024179
59
Note:Thedifferencebetweenthedimensions
obtainedinsteps4and5mustnotexceed3 mm(1/8inch).
Note:Ifthisdimensionexceeds3mm(1/8
inch),thebladeisbentandmustbereplaced.
DANGER
Abladethatisbentordamagedcould breakapartandcouldseriouslyinjureor killyouorbystanders.
Alwaysreplacebentordamaged bladewithanewblade.
Neverleorcreatesharpnotchesin theedgesorsurfacesofblade.
RemovingtheBlades
Replaceabladeifithitsanobject,ifthebladeisout ofbalance,orifthebladeisbent.T oensureoptimum performanceandcontinuedsafetyconformanceof themachine,usegenuineTororeplacementblades. Replacementbladesmadebyothermanufacturers mayresultinnonconformancewithsafetystandards.
g004536
Figure82
LeftandCenterSpindleShown
1.Sailareaoftheblade3.Curvedwasher
2.Blade4.Bladebolt
1.Holdthebladeendusingaragorathickly paddedglove.
2.Removetheleftandcenterbladebolt,curved washer,andbladefromthespindleshaft(Figure
82).
3.Removetherightbladebolt(left-handthreaded bolt),curvedwasher,andbladefromthespindle shaft(Figure83).
Note:Makenoteofthetypebladeandwhere
eachbladeisinstalled.SeeFigure83forthe correctposition.
g024248
Figure83
BladeLocation
1.Frontofmowerdeck4.Counter-rotatingblade
2.Right-handthreadedblade bolts
3.Regularblades
60
5.Left-handthreadedblade bolt
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatboth endsoftheblade(Figure84).
Note:Maintaintheoriginalangle.
Note:Thebladeretainsitsbalanceifthesame
amountofmaterialisremovedfrombothcutting edges.
Figure84
1.Sharpenatoriginalangle.
2.Checkthebalanceofthebladebyputtingitona bladebalancer(Figure85).
Note:Ifthebladestaysinahorizontalposition,
thebladeisbalancedandcanbeused.
Note:Ifthebladeisnotbalanced,lesome
metalofftheendofthesailareaonly(Figure84).
g000276
g004536
Figure86
Leftandcenterspindleshown
1.Sailareaoftheblade3.Curvedwasher
2.Blade4.Bladebolt
3.T orquethebladeboltsto115to150N∙m(85to 110ft-lb);refertoFigure87.
Figure85
1.Blade2.Balancer
3.Repeatthisprocedureuntilthebladeis balanced.
InstallingtheBlades
Important:Therightbladeonthismowerdeck
iscounter-rotatingandusesaleft-handthreaded bladebolt.UseFigure87forthecorrectplacement ofthemowerblades.
1.Installtheleftandcenterblades,curved washers,andbladeboltstothespindleshafts (Figure86andFigure87).
Note:Ensurethecurvedpartofthebladeis
pointingupwardtowardtheinsideofthemower decktoensurepropercutting.
Note:Ensurethecurved-washerconeis
installedtowardthebolthead(Figure86).
2.Installtherightblade,curvedwasher,andblade bolt(left-handthreadedbolt)tothespindleshaft (Figure86andFigure87).
g000277
g024248
Figure87
1.Frontofmowerdeck4.Counter-rotatingblade
2.Right-handthreadedblade bolts
3.Regularblades
5.Left-handthreadedblade bolt
61
ReplacingtheGrass Deector
Cleaning
SideDischargeMachinesOnly
WARNING
Anuncovereddischargeopeningcouldallow themachinetothrowobjectstowardyouor bystanders,resultinginseriousinjury.Also, contactwiththebladecouldoccur.
Neveroperatethemachineunlessyouinstall acoverplate,mulchplate,grassdeector,or bagger.
1.Removethelocknut,bolt,spring,andspacer holdingthedeectortothepivotbrackets (Figure88).

CleaningtheEngineand ExhaustSystemArea

ServiceInterval:Beforeeachuseordaily—Cleanthe
engineandexhaustsystemarea.
Important:Donotusewatertocleantheengine.
Uselow-pressurecompressedair.Seetheengine owner'smanual.
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch(PTO),andengagethe parkingbrake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Cleanaroundtheywheel,cylinderhead, injectors,andinjectorpump.
4.Cleanalldebrisfromtheexhaustsystemarea.
5.Wipeupanyexcessivegreaseoroilaroundthe engineandexhaustarea.
g015594
Figure88
1.Bolt
2.Spacer6.Grassdeector
3.Locknut
4.Spring
2.Removedamagedorworngrassdeector.
3.Placespacerandspringontothegrassdeector.
PlaceaJ-endofspringbehinddeckedge.
5.Springinstalled
7.J-hookendofspring
Note:EnsurethataJ-endofspringisinstalled
behinddeckedgebeforeinstallingtheboltas showninFigure88.
4.Installtheboltandnut.
5.PlaceaJ-hookendofspringaroundgrass
deector(Figure88).
Important:Thegrassdeectormustbeable
torotate.Liftthedeectoruptothefullopen positionandensurethatitrotatesintothe fulldownposition.

CleaningtheMachineand MowerDeck

ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface,disengage theblade-controlswitch(PTO),andengagethe parkingbrake.
2.Shutofftheengine,removethekey ,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Cleanoffanyoil,debris,orgrassbuild-upon themachineandmowerdeck,especiallyunder thedeck-beltshields,aroundthefueltank,and aroundtheengineandexhaustarea.
4.RaisethemowerdecktotheTRANSPORT position.
5.Cleanoutanygrassbuild-upfromtheunderside ofdeckandinthedischargedeector.

DisposingofWaste

Engineoil,batteries,hydraulicuid,andengine coolantarepollutantstotheenvironment.Disposeof theseaccordingtoyourstateandlocalregulations.
62
Storage

StorageSafety

Lettheenginecoolbeforestoringthemachine.
Donotstorethemachineorfuelnearamesor
drainthefuelindoors.
A.Runtheenginetodistributeconditionedfuel
throughthefuelsystemfor5minutes.
B.Shutofftheengine,allowittocool,and
drainthefueltank.
Note:Starttheengineandrunituntilit
shutsoff.
C.Disposeoffuelproperly.Recycleasper
localcodes.

CleaningandStoringthe Machine

1.Disengagetheblade-controlswitch(PTO), engagetheparkingbrake,turntheignitionkey totheOFFposition,andremovethekey.
2.Removegrassclippings,dirt,andgrimefromthe externalpartsoftheentiremachine,especially theengineandhydraulicsystem.Cleandirtand chafffromtheoutsideoftheenginecylinder headnsandblowerhousing.
Important:Youcanwashthemachinewith
milddetergentandwater.Donotpressure washthemachine.Avoidexcessiveuse ofwater,especiallynearthecontrolpanel, engine,hydraulicpumps,andmotors.
3.Checkthebrake;refertoBrakeMaintenance
(page49).
4.Servicetheaircleaner;refertoServicingtheAir
Cleaner(page38).
5.Greasethemachine;refertoLubrication(page
36).
Important:Donotstore
stabilizer/conditionedfuellonger thanthedurationrecommendedbythe fuel-stabilizermanufacturer.
12.Checkandtightenallbolts,nuts,andscrews. Repairorreplaceanypartthatisdamaged.
13.Paintallscratchedorbaremetalsurfaces.Paint isavailablefromyourAuthorizedServiceDealer.
14.Storethemachineinaclean,drygarageor storagearea.Removethekeyfromtheignition switchandkeepitoutofreachofchildrenor otherunauthorizedusers.Coverthemachineto protectitandkeepitclean.
6.Changetheengineoilandlter;referto
ChangingtheEngineOilandFilter(page40).
7.Checkthetirepressure;refertoCheckingthe
TirePressure(page46).
8.Changethehydraulicuidandlter;referto
ChangingtheHydraulicFluidandFilter(page
55).
9.Chargethebattery;refertoChargingtheBattery
(page43).
10.Scrapeanyheavybuildupofgrassanddirt fromtheundersideofthemower,thenwashthe mowerwithagardenhose.
Note:Runthemachinewiththeblade-control
switch(PTO)engagedandtheengineathigh idlefor2to5minutesafterwashing.
11.Checktheconditionoftheblades;referto
ServicingtheCuttingBlades(page59).
Preparethemachineforstoragewhennon-use occursover30days.Preparethemachinefor storageasfollows:
63
Troubleshooting
Problem
Thestarterdoesnotcrank.
Theenginedoesnotstart,startshard,or failstokeeprunning
PossibleCauseCorrectiveAction
1.Theblade-controlswitch(PTO)is engaged.
2.Theparkingbrakeisnotengaged.2.Engagetheparkingbrake.
3.Thedriveleversarenotinthe
NEUTRAL-LOCKposition.
4.Theoperatorisnotseated.
5.Thebatteryisdead.
6.Theelectricalconnectionsare corrodedorloose.
7.Thefuseisblown.7.Replacethefuse.
8.Therelayorswitchisbroken.
1.Thefueltankisempty.1.Fillthefueltank.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
3.Thethrottleisnotinthecorrect position.
4.Thereisdirtinfuellter.4.Replacethefuellter.
5.Thereisdirt,water,orstalefuelisin thefuelsystem.
6.Theaircleanerisdirty.
7.Theseatswitchisnotfunctioning properly.
8.Theelectricalconnectionsare corroded,looseorfaulty.
9.Therelayorswitchisbroken.
1.Movetheblade-controlswitch(PTO) todisengaged.
3.Ensurethatthedriveleversareinthe NEUTRAL-LOCKposition.
4.Sitontheseat.
5.Chargethebattery.
6.Checktheelectricalconnectionsfor goodcontact.
8.ContactanAuthorizedServiceDealer.
3.Besurethatthethrottlecontrolis midwaybetweentheSLOWandFAST positions.
5.ContactanAuthorizedServiceDealer.
6.Cleanorreplacetheair-cleaner element.
7.Checktheseatswitchindicator. Replacetheseatifneeded.
8.Checktheelectricalconnectionsfor goodcontact.Cleantheconnector terminalsthoroughlywithelectrical contactcleaner,applydielectric grease,andconnect.
9.ContactanAuthorizedServiceDealer.
Theenginelosespower.
Theengineoverheats.
Themachinedoesnotdrive.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theaircleanerisdirty.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thecoolingnsandairpassages abovetheengineareplugged.
5.Theventholeinthefuelcapisplugged.5.Cleanorreplacethefuelcap.
6.Thereisdirtinthefuellter.6.Replacethefuellter.
7.Thereisdirt,water,orstalefuelisin thefuelsystem.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
3.
Thecoolingnsandairpassages abovetheengineareplugged.
1.Thebypassvalvesarenotclosed tight.
2.Thepumpbeltisworn,looseorbroken.
3.
Thepumpbeltisoffapulley.
4.Theidlerspringisbrokenormissing.4.Replacethespring.
5.Thehydraulic-uidlevelislowortoo hot.
2.Cleantheair-cleanerelement.
4.Removetheobstructionfromthe coolingnsandairpassages.
7.ContactanAuthorizedServiceDealer.
3.
Removetheobstructionfromthe coolingnsandairpassages.
1.Tightenthebypassvalves.
2.Changethebelt.
3.
Changethebelt.
5.Addhydraulicuidtoreservoirsorletit cooldown.
64
Problem
PossibleCauseCorrectiveAction
Thereisabnormalvibration.
Mowingisresultinginunevencutting height.
Thebladesdonotrotate.
1.Thecuttingblade(s)is/arebentor unbalanced.
2.Theblademountingboltisloose.2.Tightentheblademountingbolt.
3.Theenginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Theenginepulley ,idlerpulley,orblade pulleyisloose.
5.Theenginepulleyisdamaged.
6.Thebladespindleisbent.
7.Themotormountislooseorworn.
1.Theblade(s)is/arenotsharp.1.Sharpentheblade(s).
2.Thecuttingblade(s)is/arebent.2.Installnewcuttingblade(s).
3.Themowerdeckisnotlevel.
4.Theundersideofmowerisdirty.4.Cleantheundersideofthemower.
5.Thetirepressureisnotcorrect.5.Adjustthetirepressure.
6.Thebladespindlebent.
1.Themowerdeckbeltisworn,loose orbroken.
2.Themowerdeckbeltisoffpulley.
3.Thepumpdrivebeltisworn,looseor broken.
4.Theidlerspringisbrokenormissing.4.Replacethespring.
1.Installnewcuttingblade(s).
4.Tightentheappropriatepulley.
5.ContactanAuthorizedServiceDealer.
6.ContactanAuthorizedServiceDealer.
7.ContactanAuthorizedServiceDealer.
3.Levelthemowerdeckfromside-to-side andfront-to-rear.
6.ContactanAuthorizedServiceDealer.
1.Installanewdeckbelt.
2.Installthemowerdeckpulleyand checktheidlerpulley,idlerarm,and springforcorrectpositionandfunction.
3.Checkthebelttensionorinstallanew belt.
65
Schematics
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
RED/WHITE
BLUE
RED/WHITE
RED/WHITE
RED/WHITE
RED/GREEN
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
GREEN/YELLOW
GREEN/YELLOW
GREEN/BROWN
GREEN
YELLOW
BLUE/BLACK
GRAY/VIOLET
VIOLET/WHITE
VIOLET/RED
GREEN
RED/GREEN
RED/WHITE
GREEN
YELLOW
YELLOW
BLACK
ORANGE
YELLOW GREEN
ORANGE
WHITE /GREEN
ORANGE
BLACK
BLACK
BLUE/BLACK
GREEN/BROWN
GREEN/YELLOW
VIOLET/WHITE
BLUE
ORANGE
GRAY/VIOLET
VIOLET/RED
ACC
CLUTCH
SERVICE
CONNECTOR
MCU GRAY
CONNECTOR
MCU BLACK
CONNECTOR
MCU GREEN
CONNECTOR
LDU
LIFT/LOWER
SWITCH
RAISE S2
TO CONNECTOR
P07 ON HARNESS
LOWER S1
KEY
SWITCH
PTO SWITCH
LH
NEUTRAL
RH
NEUTRAL
BRAKE
SWITCH
SEAT
SWITCH
CAN LOW
CAN HIGH
START
SW
PWR
GND
PWR
OUT
B+
ALARM
B+
GND
GND
START
KEY A
BRAKE
CAN HI
KEY S
CAN LOW
NEUTRAL
OPC
PTO SWITCH
TRANS TEMP
CAN HI
PWR
GND
CAN LOW
PWR GND
CAN LOW SW
PWR
CAN HI
ACC PWR GND
ACC SIGNAL
TRANSMISSION
TEMP SENSOR
BLACK
GRAY/RED
RED/WHITE
RED/GREEN
ORANGE/RED
GND GND
FUSED
PWR
ACC
PWR
BLACK
BLACK
CLUTCH
ALARM
FUEL PUMP
PWR
FUEL PUMP
PWR
RED/GREEN
RED-GREEN
RED-GREEN
RED-GREEN
PWR TO RUN
PWR TO RUN RED/GREEN
RED/GREEN
PWR
RAISE = PWR to S1 + S2
LOWER= PWR to S1
RED/WHITE
GREEN/GRAY
GREEN/GRAY
WHITE/GRAY
CONFIG
START= B, C, D
OFF= NONE
ACC= A, C, D
P01
121110
987654321
P02
2
11
10
9876543121
P03
121110
987654321
P13
1
2
P12
1
2
P11
1
2
P10
1
2
P17
A B
P04
432
1
1
SP3
1
SP2
1
SP1
1
SP4
1
SP5
1
SP6
P18
1 2 3 4 5 6
P16
A B C
P09
12
P08
12
P06
111071268359421
P07
12345678
P05
21
P14
ABC
1
SP7
P15
ABC
D
g229105
ElectricalSchematic—MachinewithHorizonDisplayMonitor(Rev.A)
66
ENGINE
GROUND
STARTER
B+
RED
RED
ORANGE
DPF
TO HARNESS B CONNECTOR 40
TO HARNESS B CONNECTOR 41TO HARNESS B CONNECTOR 42
TO HARNESS B CONNECTOR 43
TO CONNECTOR P06 ON HARNESS
OIL
PRESSURE
SWITCH
BLACK
BLACK
BLACK
BLACK
BLACK
BLUE
RED
ORANGE
RED/WHITE
BLUE
WHITE
BROWN
GREEN
VIOLET
RED
RED
RED
VIOLET
BLUE
YELLOW
BLUE
RED
YELLOW WHITE
BLACK
BROWN
VIOLET
WHITE
RED
GREEN BROWN
RED
GREEN
BLACK
RED
BLUE
BLACK
VIOLET
ORANGE
BLACK
BLUE
BROWN
BLUE
YELLOW
YELLOW
ORANGE
WHITE
BLUE
BROWN
RED
YELLOW
VIOLET YELLOW
VIOLET
VIOLET
YELLOW
ORANGE
W099 TXL10BK
GREEN
BLACK
BLACK
BLACK
BLUE
GREEN
ORANGE
RED
GND
CAN LOW
SW PWR
BLUE
RED
RED
FUSED
PWR
RED/GREEN
ACC PWR
BLACK
BLACK
BLACK
REGEN
D-GND
EGR TEMP/TEGR
ANALOG GND/A_GND
PDPF
5VS
EXH TEMP/TEXMH
DPF INLET TEMP/TOPFI
DPF MIDDLE TEMP/TOPFM
UB2
UB5
START RELAY/STR_RLY(D_UB5)
GLOW RELAY/SAID_RLYVBVBVBCAN1H
CAN1L
CAN2H
CAN2L
5VS
P. EGR
P. EGR L.
ANALOG GND/A_GND
LOW OIL LAMP/LOPSW
NO REGEN SW.
TFAIR
ANALOG GND/A_GND
5VS
IVPS
ANALOG GND/A_GND
IGN SW.
5VS
ANALOG GND/A_GND
APS1
GND
GND
GND
ENGINE CONTROLLER
(94 PIN)
5VS
PRAIL
ANALOG GND
5VS
CMSPD
ANALOG GND
CKSPD
CKSPD
ANALOG GND
TF0
ANALOG GND
IVDCM-L
IVDCM-H
ANALOG GND
TW
UB2
INJ3-H
INJ3-L
INJ2-H
INJ2-L
INJ1-H
INJ1-L
MPROP-H
HPPSO-L
ENGINE
CONTROLLER
(60 PIN)
YANMAR
CAN
CHECKER
YELLOW
GREEN
YELLOW
BLUE
BLACK
ORANGE
DPF PRESSURE
SENSOR
INLET TEMP
MIDDLE TEMP
WHITE
UB5
PDPFH
DPF-M4
AIR TEMP
UB3
UB3
B+ @ BATTERY
CLAMP
RED
YELLOW
GREEN
WHITE
BLUE
BLUE BLACK
FLYBACK
DIODE
REVERSE
POLARITY
PROTECTION
DIODE
GREEN
ENGINE ECU
CASE GROUND
BLACK
(CONNECT @ BATT NEG)
GND
FUEL PUMP
BLACK
BLACK
CAN HIGH
BLACK
RED/WHITE
RED
RED
RED
AIR
FILTER
SW
ALARM
12V
POWER
PORT
GRAY/BROWN
RED/WHITE
GRAY/VIOLET
BLACK
BLACK
RED
RED/GREEN
RED
POWER
PORT
FUSE 15A
POWER DISTRIBUTION
MODULE
ENGINE FUSE 25A
CHASSIS FUSE 15A
B
ALTERNATOR
IG
EGR RELAY
(30)
(86) (87)
(87A)
(85)
STARTER
"S"
GLOW
PLUGS
START RELAY
GLOW
RELAY
(30)
(85)
(87)
(86)
ACL SW
ALARM
ACC
FUSE 15A
FUEL PUMP
RED
RED/GREEN
RED/GREEN
GRAY/VIOLET
RED
PWR TO RUN
(30)
(86) (87)
(87A)
(85)
RELAY DIAGRAM
87a
87
86
85
30
STARTSW
CHGSW
COIL
J05
1
SP05
SP04
SP08
SP01
SP06
SP03
SP02
SP09
SP10
SP11
P11
AB
J04 1
P12
1234567891011
12
P20
1
P16
A B
P18
1 2 3 4 5
P17
1 2 3 4 5
P14
1 2
P03
CBA
J02
1
J01
1
P07
751264310118921
P06
21
P09
654321
P05
21
J03
1
P04
12
P10
CBA
P08
21
P24
1234567891011
12
P23
1 2 3 4 5 6 7 8 9 10 11 12
P22
12 11 10 9 8 7 6 5 4 3 2 1
P21
8 7 6 5 4 3 2 1
J06
1
P13
1 2
P15
1 2 3 4 5 6
P02
541633174718483012345960285029192051113854395237825267
P01
18653377632456818068357328
70
531
54767553458539741566317921232052884362
61
246
90
41
SP12
P19
1 2 3 5 6 7 8 9
ElectricalSchematic—YanmarEngine3TNV80FT(Rev.A)
67
g229107
ENGINE
GROUND
STARTER
B+
TO CONNECTOR
P06 ON HARNESS
GND
CAN LOW
SW PWR
START
FUSED PWR
ACC PWR
YANMAR
CAN CHECKER
BATTERY
CLAMP
B+
GND
FUEL
PUMP
CAN HIGH
ACTUATOR RELAY
30
8687
87A85
PREHEAT RELAY
30
8687
87A85
START RELAY
30
8687
87A85
FLY BACK
DIODE
OIL
PRESSURE
SW
STARTER
SIGNAL
GLOW
B
COOLANT
TEMP
SENSOR
RACK
ACT
ALTERNATOR
ENGINE
SPEED
SENSOR
CAN LOW
CAN HIGH
RED/GREEN
BLACK
BLACK
RED/WHITE
GREEN
BLACK
RED/GREEN
BLUE/GREEN
BLUE/GRAY
RED/GREEN
RED/GREEN
BLACK
BLUE/RED
BLACK
BLACK
BLACK
BLACK
BLUE/RED
YELLOW
BROWN
BLACK
BLACK
BLACK
WHITE
ORANGE
BLACK
ORANGE
BLACK
BLACK
RED/WHITE
BLUE/YELLOW
BLUE
BLACK
BLACK
BLACK
GRAY/WHITE
GREEN
YELLOW
YELLOW
GREEN
YELL
OW
RED/GREEN
IGN SW
ENGINE
CONT
ROLLER
(48 PIN)
START
SW
NRPW_GND
4A
RET
NRPW
APD_0P1
GNDA
RECAN
RACK_RLY
MAIN_RLY
RPS
CAN
LOW
CAN HIGH
RACK_SOL
AVB
AIR_HT_RLY
GND
VB
GND
IG
L
BLUE/RED
BLUE/YELLOW
BLACK
GND
PWR
BLACK
BLACK
BLACK
AIR
FILTER
SW
ALARM
12V
POWER
PORT
POWER PORT
FUSE 15A
POWER
DISTRIBUTION
MODULE
GRAY/BROWN
FUSE 10A
MAIN
FUSE 15A
CHASSIS
COIL
(5)
(2)
(3)
COMMON
N.O.
ALARM
YELLOW/VIOLET
BLACK
BLACK
BLACK
RED/YELLOW
YELLOW
ATM PRESSURE
SENSOR
APP_IP2
APP_IP5
4B4D4C4E4F4H4G4J4K
3A3B3D3C3E3F3H3G3J
3K
2A2B2D2C2E2F2H2G2J
2K
1A1B1D1C1E1F1H1G1J
1K
4L
4M
3M
3L
2L
2M
1M
1L
FUEL PUMP
15A ACC FUSE
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
RED
RED
RED
RED
RED
RED
RED/WHITE
PWR TO
RUN
OIL TEMP
SENSOR
GRAY/ORANGE
ORANGE
GREEN
GREENGREEN
P03
CBA
P20
1
P01
123456789
101112131415161718192021222324252627282930313233343536373839404142434445464748
P07
111071268359421
P16
A B
P06
21
P15
1 2 3 4 5
P14
3 2 4 5 1
J06
1
P18
1 2 3 4 5
J05
1
P09
654321
J01
1
J02
1
SP1
P05
21
J03
1
SP2
SP4
SP3
SP5
SP6SP7
P11
1 2
P13
2
1
P02
12345
6
SP8
SP9
SP10
P04
12
P10
CBA
P08
21
P12
123456789
101112
SP11
P21
2
1
P17
1 2 3
SP12
ElectricalSchematic—YanmarEngine3TNV88C(Rev.A)
g229106
68
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