Page 1

FormNo.3379-421RevA
Groundsmaster
®
4300-DTraction
Unit
ModelNo.30859—SerialNo.310000001andUp
ModelNo.30861—SerialNo.310000001andUp
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3379-421*A
Page 2

ThisproductcomplieswithallrelevantEuropeandirectives,
fordetailspleaseseetheseparateproductspecicDeclaration
ofConformity(DOC)sheet.
Figure1
WARNING
CALIFORNIA
Proposition65Warning
Dieselengineexhaustandsomeofits
constituentsareknowntotheStateof
Californiatocausecancer,birthdefects,
andotherreproductiveharm.
Important:Thisengineisnotequippedwithaspark
arrestermufer.ItisaviolationofCaliforniaPublic
ResourceCodeSection4442touseoroperatetheengine
onanyforest-covered,brush-covered,orgrass-covered
land.Otherstatesorfederalareasmayhavesimilarlaws.
Introduction
Thismachineisaride-on,rotary-bladelawnmowerintended
tobeusedbyprofessional,hiredoperatorsincommercial
applications.Itisprimarilydesignedforcuttinggrass
onwell-maintainedlawnsinparks,sportselds,andon
commercialgrounds.Itisnotdesignedforcuttingbrush,
mowinggrassandothergrowthalongsidehighways,orfor
agriculturaluses.
1.Safetyalertsymbol
Thismanualuses2otherwordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely .
YoumaycontactTorodirectlyatwww .Toro.comforproduct
andaccessoryinformation,helpndingadealer,ortoregister
yourproduct.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourproductready.Themodelandserialnumbersareona
platemountedontheleftsideoftheframeunderthefoot
rest.Writethenumbersinthespaceprovided.
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure1),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
©2013—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contactusatwww.T oro.com.
2
PrintedintheUSA.
AllRightsReserved
Page 3

Contents
Introduction..................................................................2
Safety...........................................................................4
SafeOperatingPractices...........................................4
ToroRidingMowerSafety........................................5
SoundPowerLevel..................................................6
SoundPressureLevel...............................................6
VibrationLevel......................................................6
SafetyandInstructionalDecals.................................7
Setup...........................................................................11
1AdjustingtheTirePressure....................................11
2AdjustingtheStepHeight.....................................11
3AdjustingtheControlArmPosition........................12
4RemovetheShippingBlocksandPins.....................12
5InstallingRearW eights.........................................13
6InstallingtheHoodLatchforCE
Compliance........................................................14
7InstallingtheThrottleStopforCE
Compliance........................................................15
ProductOverview.........................................................16
Controls...............................................................16
Specications........................................................19
Attachments/Accessories........................................19
Operation....................................................................19
CheckingtheEngineOilLevel.................................19
CheckingtheCoolingSystem...................................20
AddingFuel...........................................................20
CheckingtheHydraulicFluid...................................22
ChecktheTorqueoftheWheelNuts.........................23
BleedingtheFuelSystem.........................................23
StartingandStoppingtheEngine..............................23
PushingorTowingtheMachine................................24
JackingPoints........................................................24
TieDowns............................................................24
UnderstandingtheDiagnosticLight..........................25
DiagnosticAceDisplay...........................................25
CheckingtheInterlockSwitches...............................26
HydraulicValveSolenoidFunctions..........................27
OperatingTips......................................................27
Maintenance.................................................................29
RecommendedMaintenanceSchedule(s)......................29
DailyMaintenanceChecklist....................................30
ServiceIntervalChart.............................................31
Lubrication...............................................................31
GreasingtheBearingsandBushings..........................31
EngineMaintenance..................................................33
ServicingtheAirCleaner.........................................33
ServicingtheEngineOilandFilter............................33
AdjustingtheThrottle.............................................34
FuelSystemMaintenance...........................................35
DrainingtheFuelTank...........................................35
CheckingtheFuelLinesandConnections..................35
ServicingtheWaterSeparator..................................35
FuelPick-upTubeScreen........................................35
BleedingAirfromtheFuelInjectors..........................35
ElectricalSystemMaintenance....................................36
ServicingtheBattery...............................................36
Fuses....................................................................36
DriveSystemMaintenance.........................................37
AdjustingtheTractionDriveforNeutral....................37
AdjustingtheRearWheelToe-in..............................38
CoolingSystemMaintenance......................................38
RemovingDebrisfromtheCoolingSystem................38
BrakeMaintenance....................................................39
AdjustingtheServiceBrakes....................................39
AdjustingtheParkingBrake....................................39
BeltMaintenance......................................................40
TensioningtheAlternatorBelt.................................40
HydraulicSystemMaintenance....................................41
ChangingtheHydraulicFluid...................................41
ReplacingtheHydraulicFilters.................................41
CheckingtheHydraulicLinesandHoses....................42
ChangingtheCounterbalanceSettings.......................42
HydraulicSystemTestPorts.....................................43
Storage........................................................................43
PreparingtheTractionUnit.....................................43
PreparingtheEngine..............................................43
Schematics...................................................................44
3
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Safety
ThismachinemeetsorexceedsCENstandardEN
836:1997,ISOstandard5395:1990,andANSIB71.4-2004
specicationsineffectattimeofproduction,when
equippedwithrearweight.Refertothesectioninthis
manualonInstallingRearWeight.
Improperuseormaintenancebytheoperatoror
ownercanresultininjury.Toreducethepotential
forinjury,complywiththesesafetyinstructionsand
alwayspayattentiontothesafetyalertsymbol,which
meansCaution,Warning,orDanger—personalsafety
instruction.Failuretocomplywiththeinstructionmay
resultinpersonalinjuryordeath.
SafeOperatingPractices
ThefollowinginstructionsarefromtheCENstandardEN
836:1997,ISOstandard5395:1990,andANSIB71.4-2004.
Training
•Readtheoperator'smanualandothertrainingmaterial
carefully.Befamiliarwiththecontrols,safetysigns,and
theproperuseoftheequipment.
•Neverallowchildrenorpeopleunfamiliarwiththese
instructionstouseorservicethemower.Local
regulationsmayrestricttheageoftheoperator.
•Nevermowwhilepeople,especiallychildren,orpetsare
nearby.
•Keepinmindthattheoperatororuserisresponsiblefor
accidentsorhazardsoccurringtootherpeopleortheir
property.
•Donotcarrypassengers.
•Alldriversandmechanicsshouldseekandobtain
professionalandpracticalinstruction.Theowneris
responsiblefortrainingtheusers.Suchinstructionshould
emphasize:
–theneedforcareandconcentrationwhenworking
withride-onmachines;
–controlofaride-onmachineslidingonaslopewill
notberegainedbytheapplicationofthebrake.The
mainreasonsforlossofcontrolare:
◊insufcientwheelgrip;
◊beingdriventoofast;
◊inadequatebraking;
◊thetypeofmachineisunsuitableforitstask;
◊lackofawarenessoftheeffectofground
conditions,especiallyslopes;
◊incorrecthitchingandloaddistribution.
•Theowner/usercanpreventandisresponsiblefor
accidentsorinjuriesoccurringtohimselforherself,other
people,orproperty.
Preparation
•Whilemowing,alwayswearsubstantialfootwear,long
trousers,hardhat,safetyglasses,andearprotection.Long
hair,looseclothing,orjewelrymaygettangledinmoving
parts.Donotoperatetheequipmentwhenbarefootor
wearingopensandals.
•Thoroughlyinspecttheareawheretheequipmentisto
beusedandremoveallobjectswhichmaybethrownby
themachine.
•Warning—Fuelishighlyammable.Takethefollowing
precautions:
–Storefuelincontainersspecicallydesignedforthis
purpose.
–Refueloutdoorsonlyanddonotsmokewhile
refuelling.
–Addfuelbeforestartingtheengine.Neverremove
thecapofthefueltankoraddfuelwhiletheengineis
runningorwhentheengineishot.
–Iffuelisspilled,donotattempttostarttheengine
butmovethemachineawayfromtheareaofspillage
andavoidcreatinganysourceofignitionuntilfuel
vaporshavedissipated.
–Replaceallfueltanksandcontainercapssecurely.
•Replacefaultysilencers/mufers.
•Evaluatetheterraintodeterminewhataccessoriesand
attachmentsareneededtoproperlyandsafelyperform
thejob.Onlyuseaccessoriesandattachmentsapproved
bythemanufacturer.
•Checkthattheoperator'spresencecontrols,safety
switchesandshieldsareattachedandfunctioning
properly.Donotoperateunlesstheyarefunctioning
properly.
Operation
•Donotoperatetheengineinaconnedspacewhere
dangerouscarbonmonoxidefumescancollect.
•Mowonlyindaylightoringoodarticiallight.
•Beforeattemptingtostarttheengine,disengageallblade
attachmentclutches,shiftintoneutral,andengagethe
parkingbrake.
•Rememberthereisnosuchthingasasafeslope.Travel
ongrassslopesrequiresparticularcare.Toguardagainst
overturning:
–donotstoporstartsuddenlywhengoingupor
downhill;
–machinespeedsshouldbekeptlowonslopesand
duringtightturns;
–stayalertforhumpsandhollowsandotherhidden
hazards;
–Donotturnsharply.Usecarewhenreversing.
–Usecounterweight(s)orwheelweightsasidentied
intheoperator'smanual.
•Stayalertforholesintheterrainandotherhiddenhazards.
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•Watchoutfortrafcwhencrossingornearroadways.
•Stopthebladesrotatingbeforecrossingsurfacesother
thangrass.
•Whenusinganyattachments,neverdirectdischargeof
materialtowardbystandersnorallowanyonenearthe
machinewhileinoperation.
•Neveroperatethemachinewithdamagedguards,shields,
orwithoutsafetyprotectivedevicesinplace.Besureall
interlocksareattached,adjustedproperly,andfunctioning
properly.
•Donotchangetheenginegovernorsettingsorover-speed
theengine.Operatingtheengineatexcessivespeedmay
increasethehazardofpersonalinjury.
•Beforeleavingtheoperator'sposition:
–stoponlevelground;
–disengagethepowertake-offandlowerthe
attachments;
–changeintoneutralandsettheparkingbrake;
–stoptheengineandremovethekey.
•Disengagedrivetoattachmentswhentransportingornot
inuse.
•Stoptheengineanddisengagedrivetoattachment:
–beforerefuelling;
–beforeremovingthegrasscatcher/catchers;
–beforemakingheightadjustmentunlessadjustment
canbemadefromtheoperator'sposition.
–beforeclearingblockages;
–beforechecking,cleaningorworkingonthemower;
–afterstrikingaforeignobjectorifanabnormal
vibrationoccurs.Inspectthemowerfordamage
andmakerepairsbeforerestartingandoperatingthe
equipment.
•Reducethethrottlesettingduringenginerun-outand,if
theengineisprovidedwithashut-offvalve,turnthefuel
offattheconclusionofmowing.
•Keephandsandfeetawayfromthecuttingdecks.
•Lookbehindanddownbeforebackinguptobesureof
aclearpath.
•Slowdownandusecautionwhenmakingturnsand
crossingroadsandsidewalks.
•Donotoperatethemowerundertheinuenceofalcohol
ordrugs.
•Lightningcancausesevereinjuryordeath.Iflightning
isseenorthunderisheardinthearea,donotoperate
themachine;seekshelter.
•Usecarewhenloadingorunloadingthemachineintoa
trailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,trees,
orotherobjectsthatmayobscurevision.
MaintenanceandStorage
•Keepallnuts,boltsandscrewstighttobesurethe
equipmentisinsafeworkingcondition.
•Neverstoretheequipmentwithfuelinthetankinsidea
buildingwherefumesmayreachanopenameorspark.
•Allowtheenginetocoolbeforestoringinanyenclosure.
•Toreducetherehazard,keeptheengine,
silencer/mufer,batterycompartmentandfuelstorage
areafreeofgrass,leaves,orexcessivegrease.
•Keepallpartsingoodworkingconditionandallhardware
andhydraulicttingstightened.Replaceallwornor
damagedpartsanddecals.
•Ifthefueltankhastobedrained,dothisoutdoors.
•Becarefulduringadjustmentofthemachinetoprevent
entrapmentofthengersbetweenmovingbladesand
xedpartsofthemachine.
•Disengagedrives,lowerthecuttingdecks,setparking
brake,stopengineandremovekeyfromignition.Wait
forallmovementtostopbeforeadjusting,cleaningor
repairing.
•Cleangrassanddebrisfromcuttingdecks,drives,
silencers/mufers,andenginetohelppreventres.Clean
upoilorfuelspillage.
•Usejackstandstosupportcomponentswhenrequired.
•Carefullyreleasepressurefromcomponentswithstored
energy.
•Disconnectbatterybeforemakinganyrepairs.Disconnect
thenegativeterminalrstandthepositivelast.Reconnect
positiverstandnegativelast.
•Keephandsandfeetawayfrommovingparts.Ifpossible,
donotmakeadjustmentswiththeenginerunning.
•Chargebatteriesinanopenwellventilatedarea,away
fromsparkandames.Unplugchargerbeforeconnecting
ordisconnectingfrombattery.Wearprotectiveclothing
anduseinsulatedtools.
ToroRidingMowerSafety
ThefollowinglistcontainssafetyinformationspecictoToro
productsorothersafetyinformationthatyoumustknowthat
isnotincludedintheCEN,ISO,orANSIstandard.
Thisproductiscapableofamputatinghandsandfeetand
throwingobjects.Alwaysfollowallsafetyinstructionsto
avoidseriousinjuryordeath.
Useofthisproductforpurposesotherthanitsintendeduse
couldprovedangeroustouserandbystanders.
WARNING
Engineexhaustcontainscarbonmonoxide,which
isanodorless,deadlypoisonthatcankillyou.
Donotrunengineindoorsorinanenclosedarea.
•Knowhowtostoptheenginequickly.
5
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•Donotoperatethemachinewhilewearingtennisshoes
orsneakers.
•Checkallfuellinesfortightnessandwearonaregular
basis.Tightenorrepairthemasneeded.
•Wearingsafetyshoesandlongpantsisadvisableand
requiredbysomelocalordinancesandinsurance
regulations.
•Handlefuelcarefully.Wipeupanyspills.
•Checkthesafetyinterlockswitchesdailyforproper
operation.Ifaswitchshouldfail,replacetheswitch
beforeoperatingthemachine.
•Beforestartingtheengine,sitontheseat.
•Usingthemachinedemandsattention.Topreventloss
ofcontrol:
–Donotdriveclosetosandtraps,ditches,creeks,or
otherhazards.
–Reducespeedwhenmakingsharpturns.Avoid
suddenstopsandstarts.
–Whennearorcrossingroads,alwaysyieldthe
right-of-way.
–Applytheservicebrakeswhengoingdownhillto
keepforwardspeedslowandtomaintaincontrolof
themachine.
•Raisethecuttingdeckswhendrivingfromoneworkarea
toanother.
•Donottouchtheengine,silencer/mufer,orexhaust
pipewhiletheengineisrunningorsoonafterithas
stoppedbecausetheseareascouldbehotenoughtocause
burns.
•Iftheenginestallsorlosesheadwayandcannotmakeit
tothetopofaslope,donotturnthemachinearound.
Alwaysbackslowly,straightdowntheslope.
•Iftheenginemustberunningtoperformamaintenance
adjustment,keephands,feet,clothing,andanypartsof
thebodyawayfromthecuttingdecks,attachments,and
anymovingparts.Keepeveryoneaway.
•Toensuresafetyandaccuracy,haveanAuthorizedToro
Distributorcheckthemaximumenginespeedwitha
tachometer.
•Ifmajorrepairsareeverneededorifassistanceisdesired,
contactanAuthorizedToroDistributor.
•UseonlyToro-approvedattachmentsandreplacement
parts.Thewarrantymaybevoidedifusedwith
unapprovedattachments.
SoundPowerLevel
Thisunithasaguaranteedsoundpowerlevelof105dBA,
whichincludesanUncertaintyValue(K)of1dBA.
Soundpowerlevelwasdeterminedaccordingtothe
proceduresoutlinedinEN11094.
SoundPressureLevel
Thisunithasasoundpressurelevelattheoperator’searof92
dBA,whichincludesanUncertaintyValue(K)of1dBA.
Soundpressurelevelwasdeterminedaccordingtothe
proceduresoutlinedinEN836.
VibrationLevel
•Whenapersonorpetappearsunexpectedlyinornearthe
mowingarea,stopmowing.Carelessoperation,combined
withterrainangles,ricochets,orimproperlypositioned
guardscanleadtothrownobjectinjuries.Donotresume
mowinguntiltheareaiscleared.
MaintenanceandStorage
•Makesureallhydrauliclineconnectorsaretightandall
hydraulichosesandlinesareingoodconditionbefore
applyingpressuretothesystem.
•Keepyourbodyandhandsawayfrompinholeleaksor
nozzlesthatejecthydraulicuidunderhighpressure.
Usepaperorcardboard,notyourhands,tosearchfor
leaks.Hydraulicuidescapingunderpressurecanhave
sufcientforcetopenetratetheskinandcauseserious
injury.Seekimmediatemedicalattentionifuidis
injectedintoskin.
•Beforedisconnectingorperforminganyworkonthe
hydraulicsystem,allpressureinthesystemmustbe
relievedbystoppingtheengineandloweringthecutting
decksandattachmentstotheground.
Hand-Arm
Measuredvibrationlevelforrighthand=0.34m/s
Measuredvibrationlevelforlefthand=0.43m/s
UncertaintyValue(K)=0.5m/s
Measuredvaluesweredeterminedaccordingtotheprocedures
outlinedinEN836.
WholeBody
Measuredvibrationlevel=0.33m/s
UncertaintyValue(K)=0.5m/s
Measuredvaluesweredeterminedaccordingtotheprocedures
outlinedinEN836.
2
2
2
2
2
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SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.
108-5278
1.ReadtheOperator'sManual.
93-7272
1.Cutting/dismembermenthazard;fan—stayawayfrom
movingparts.
110-8973
(Afxoverpartno.1 10–8869forCE*)
slopewarningrequiredonthemachineforcompliancetotheEuropeanLawnMower
SafetyStandardEN836:1997.Theconservativemaximumslopeanglesindicatedfor
operationofthismachineareprescribedbyandrequiredbythisstandard.
1.Warning—readtheOperator'sManual,donotoperatethis
machineunlessyouaretrained.
2.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
3.Tippinghazard—donotoperateonslopesgreaterthan15°;
lowerthecuttingdeckswhenoperatingonslopes;wear
thesafetybelt.
4.Warning—donotparkthemachineonslopes;engagethe
parkingbrake,lowerthecuttingdecks,stoptheengineand
removetheignitionkeybeforeleavingthemachine
5.Warning—readtheOperator'sManualbeforetowingthe
machine.
*Thissafetydecalincludesa
110-8869
1.Warning—readtheOperator'sManual,donotoperatethis
machineunlessyouaretrained.
2.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
3.Tippinghazard—slowmachinebeforeturning,donotturn
athighspeeds;lowerthecuttingunitwhendrivingdown
slopes;usearolloverprotectionsystemandweartheseat
belt.AlwayswearaseatbeltwhenaROPSisinplace.
4.Warning—donotparkthemachineonslopes;engagethe
parkingbrake,lowerthecuttingdecks,stoptheengineand
removetheignitionkeybeforeleavingthemachine.
5.Warning—readtheOperator'sManual,donottowthe
machine.
110-8921
1.Tractionunitspeed
2.Slow
3.Fast
117–2718
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117–0169
1.ReadtheOperator'sManual.
2.Powerpoint—10amp
3.Headlights—10amp
4.Power—10amp
5.Enginestart—15amp
6.Optionalairrideseatsuspension—20amp
7.EnginecomputermanagementC—7.5amp
8.EnginecomputermanagementB—7.5amp
9.EnginecomputermanagementA—7.5amp
117–2385
117–0170
1.Headlights
2.Engage
3.Powertake-off(PTO)
4.Disengage9.Raisecuttingunits
5.Fast
6.Continuousvariable
throttlesetting
7.Slow
8.Lowercuttingunits
10.ReadtheOperator's
Manual.
93-6681
1.Cutting/dismemberment—hazard,fan-stayawayfrom
movingparts.
1.ReadtheOperators
Manual.
2.Engine—start4.Engine—stop
93–6689
1.Danger—donotsitontheplasticshroud.
3.Engine—preheat
106-6754
1.Warning—donottouchthehotsurface.
2.Cutting/dismembermenthazard,fanandentanglement
hazard,belt—stayawayfrommovingparts.
8
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110-0986
106-6755
1.Pressthebrakepedalandparkingbrakepedaltosetthe
parkingbrake.
2.Pressthebrakepedaltoapplythebrake.
3.Pressthetractionpedaltomovethemachineforward.
4.Reelenabledmode
5.Transportmode
1.Enginecoolantunder
pressure.
2.Explosionhazard—read
theOperator'sManual.
3.Warning—donottouchthe
hotsurface.
4.Warning—readthe
Operator'sManual.
1.ReadtheOperator'sManual.
117-0168
9
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BatterySymbols
Someorallofthesesymbolsareonyourbattery
1.Explosionhazard
2.Nore,opename,or
smoking.
3.Causticliquid/chemical
burnhazard
4.Weareyeprotection9.Flusheyesimmediately
5.ReadtheOperator's
Manual.
6.Keepbystandersasafe
7.Weareyeprotection;
8.Batteryacidcancause
10.Containslead;donot
distancefromthebattery .
explosivegasescan
causeblindnessandother
injuries
blindnessorsevereburns.
withwaterandgetmedical
helpfast.
discard.
10
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Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
1
2
3
4
5
6
7
MediaandAdditionalParts
Description
Operator'sManual
EngineOperator'sManual
PartsCatalog
CECerticate
OperatorTrainingMaterial
Nopartsrequired
Nopartsrequired
Nopartsrequired
Nopartsrequired
Rearweights(quantityvarieswith
conguration).
Hoodlatchassembly1
Washer1
Throttlestop1
Setscrew
Qty.
1
1
1
1
1
Reviewbeforeoperatingmachine
Varies
Qty.
Use
–
–
–
–
1
Adjustthetirepressure.
Adjustthestepheight.
Adjustthecontrolarmposition.
Removeshippingblocksandpins
Installrearweights(orderfromyour
ToroDistributor).
InstallthehoodlatchforCEcompliance
InstallthethrottlestopforCEcompliance
Use
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
1
AdjustingtheTirePressure
NoPartsRequired
Procedure
Thetiresareover-inatedforshipping.Therefore,release
someoftheairtoreducethepressure.Correctairpressurein
thefrontandreartiresis12to15psi(83to103kPa).
Important:Maintainevenpressureinalltirestoensure
uniformcontactwiththeturf.
2
AdjustingtheStepHeight
NoPartsRequired
Procedure
Theheightofthestepscanbeadjustedfortheoperators
comfort.
1.Removethe2boltsandnutssecuringthestepbrackets
tothetractionunitframe(
Figure2)
11
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Figure2
1.Step2.Stepbrackets
2.Raiseorlowerthesteptothedesiredheightand
re-securethebracketstotheframewiththe2bolts
andnuts.
3.Repeattheprocedureontheotherstep.
3
AdjustingtheControlArm
Position
NoPartsRequired
Procedure
Thecontrolarmpositioncanbeadjustedfortheoperators
comfort.
1.Loosenthe2boltssecuringthecontrolarmtothe
retainingbracket(Figure3).
Figure3
1.Controlarm3.Bolts(2)
2.Retainingbrackets
2.Rotatethecontrolarmtothedesiredpositionand
tightenthe2bolts.
4
RemovetheShippingBlocks
andPins
NoPartsRequired
Procedure
1.Removeanddiscardtheshippingblocksfromthe
cuttingdecks.
2.Removeanddiscardtheshippingpinsfromthecutting
decksuspensionarms.Theshippingpinsstabilizethe
cuttingdecksduringshippingandmustberemoved
beforeoperation.
12
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5
InstallingRearWeights
Partsneededforthisprocedure:
Varies
Rearweights(quantityvarieswithconguration).
Procedure
TheGroundsmaster4300–DTractionUnitcomplieswithCENstandardEN836:1997,ISOstandard5395:1990,andANSI
B71.4-2004Standardswhenequippedwithrearweightsand/or90lbofcalciumchlorideballastisaddedtorearwheels.Use
thefollowingchartstodeterminethecombinationsofweightsrequiredforyourconguration.Orderpartsfromyour
localAuthorizedToroDistributor.
WeightP/N110-8985-03
Conguration
BaseUnit60
WithRecycler
Kit
WithSunshade
orCooltops
With4Post
ROPS&
Sunshadeor
Cooltops
Numberofweightsto
meetANSI(US)standards
90lbcalciumchloride*
90lbcalciumchloride*
90lbcalciumchloride*
*Installtubesinsidethereartiresbeforeaddingcalciumchloride.
Numberofweightsto
meetCE(European)
standards
0
4
4
Fasteners(2each
required)forweights
3231–34CarriageBolt
104–8301Nut
N/AN/A
3231–7Carriage
Bolt104–8301Nut
3231–7Carriage
Bolt104–8301Nut
WeightLocation
3ontopofbumperand
3underbumper
1ontopofbumperand
3underbumper
1ontopofbumperand
3underbumper
Important:Alwaysinstalltubesinsidethereartiresbeforecalciumchlorideisinstalled.Ifapunctureoccursina
tirewithcalciumchloride,removethemachinefromtheturfareaasquicklyaspossible.Topreventpossibledamage
totheturf,immediatelysoaktheaffectedareawithwater.
Usethefollowingproceduretomounttheappropriateamountofweight(seeweightcharts)tothetoporbottomofthe
rearbumperasshowninFigure4.
13
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Figure4
1.Tractionmanifold5.Weight(s)
2.Spacers6.Carriagebolt
3.Bolts7.Nut
4.Washers
•Removethe3bolts,washers,andspacerssecuringthetractionmanifoldtothebottomoftherearbumper(Figure4a).
•Positiontheappropriateamountofweightonthetopand/orbottomoftherearbumper.
•Mounttheweight(s)andthetractionmanifoldtothebumperwiththe3bolts,washersandspacerspreviouslyremoved
(Figure4b).
Note:Donotusethespacerswheninstallingmorethantwoweightsunderthebumper(Figure4c).
•Securetheouteredgesoftheweight(s)tothebumperwith2carriageboltsandnuts(Figure4c).
6
InstallingtheHoodLatchfor
CECompliance
Partsneededforthisprocedure:
1Hoodlatchassembly
1Washer
Procedure
1.Unlatchandraisethehood.
2.Removetherubbergrommetfromtheholeintheleft
sideofthehood(Figure5).
Figure5
1.Rubbergrommet
3.Removethenutfromthehoodlatchassembly(Figure
6).
14
Page 15

Figure6
1.Hoodlatch3.Rubberwasher
2.Nut4.Metalwasher
4.Outsidethehood,insertthehookendofthelatch
throughtheholeinthehood.Makesuretherubber
sealingwasherremainstotheoutersideofthehood.
5.Insidethehood,insertthemetalwasherontothelatch
andsecurewiththenut.Makesurethelatchengages
theframecatchwhenitislocked.Usetheenclosed
hoodlatchkeytooperatethehoodlatch.
3.Starttheengineandallowittorunfor5to10minutes.
4.Adjustthehighidleto2860rpmwiththecuttingdecks
disengaged.
5.Tightenthesetscrew.
6.Applyadhesiveintothesetscrewtopreventtampering.
7
InstallingtheThrottleStopfor
CECompliance
Partsneededforthisprocedure:
1Throttlestop
1
Setscrew
Procedure
1.Loosenthesetscrewonthethrottlestop(Figure7).
2.Slidethethrottlestopontothehighidlestopscrew
(Figure7).Thechamferedendofthethrottlestopis
tobepositionedoutward.
1.Throttlestop
Figure7
2.Setscrew
15
Page 16

ProductOverview
Controls
SeatAdjustingKnobs
Theseatadjustinglever(Figure8)allowsyoutoadjustthe
seatforeandaft.Theweightadjustingknobadjuststheseat
fortheoperator'sweight.Theweightgaugeindicateswhen
theseatisadjustedtotheweightoftheoperator.Theheight
adjustingknobadjuststheseatfortheoperator'sheight.
Figure9
1.Tractionpedal4.Brakepedal
2.Mowspeedlimiter5.Parkingbrake
3.Spacers
6.Tiltsteeringpedal
Figure8
1.Weightgauge3.Heightadjustingknob
2.Weightadjustingknob
4.Adjustinglever(foreand
aft)
TractionPedal
Thetractionpedal(Figure9)controlstheforwardandreverse
operation.Pressthetopofthepedaltomoveforwardandthe
bottomtomoverearward.Groundspeeddependsonhow
faryoupressthepedal.Fornoload,maximumgroundspeed,
fullypressthepedalwhilethethrottleisintheFastposition.
Tostop,reducefootpressureonthetractionpedalandallow
ittoreturntothecenterposition.
MowSpeedLimiter
Whenthemowspeedlimiter(Figure9)isippedupitwill
controlthemowspeedandallowthecuttingdeckstobe
engaged.Eachspaceradjuststhemowingspeedby½mile
perhour.Themorespacersyouhave,onthetopofthebolt
thesloweryouwillgo.Fortransport,ipbackthemowspeed
limiterandyouwillhavemaximumtransportspeed.
BrakePedal
Pressthebrakepedal(Figure9)tostopthemachine.
ParkingBrake
Toengagetheparkingbrake,(Figure9)pushdownonthe
brakepedalandpressthetopforwardtolatch.Toreleasethe
parkingbrake,pressthebrakepedaluntiltheparkingbrake
latchretracts.
TiltSteeringPedal
Totiltthesteeringwheeltowardsyou,pressthefootpedal
(Figure9)down,andpullthesteeringtowertowardyouto
themostcomfortablepositionandthenreleasethepedal.
ThrottleControl
Movethethrottlecontrol(Figure10)forwardtoincreasethe
enginespeedandrearwardtodecreasespeed.
16
Page 17

G003956
1
2
3
4
5
6
7
8
9
10
Figure10
enabledinthemowmode.Whenstartingthedecksinthe
downposition,thisleverwillturnthedecksonifthePTO
andthemowspeedlimiterareengaged.
GlowPlugIndicatorLight
Thislight(Figure10)illuminateswhentheglowplugsare
preheating.
EngineOilPressureWarningLight
Thislight(Figure10)indicatesdangerouslylowengineoil
pressure.
ChargeIndicator
Thechargeindicator(Figure10)illuminateswhenthesystem
chargingcircuitmalfunctions.
1.Throttlecontrol6.Enginecoolant
2.Enable/disableswitch
3.Glowplugindicatorlight8.Chargeindicator
4.Enginecoolant
temperaturewarning
light
5.Diagnosticlight
temperaturegauge
7.Engineoilpressure
warninglight
9.Keyswitch
10.Lowermow/raisecontrol
lever
KeySwitch
Thekeyswitch(Figure10)hasthreepositions:Off,
On/Preheat,andStart.
EngineCoolantTemperatureWarning
Light
Thislight(Figure10)illuminatesandthemowersshutdown
whentheenginecoolantreachesahightemperature.Ifthe
enginetemperaturecontinuestorise,theenginewillshut
down.
Enable/DisableSwitch
Usetheenable/disableswitch(Figure10)inconjunctionwith
thelowermow/raisecontrollevertooperatethemowers.
Themowerscannotbeloweredwhenthemow/transport
leverisinthetransportposition.
HourMeter
Thehourmeter(Figure11)showsthetotalhoursthatthe
machinehasbeenoperated.
EngineCoolantTemperatureGauge
Duringnormaloperatingconditionsthegauge(Figure10)
shouldbeinthegreenrange.Checkthecoolingsystemifthe
gaugegoestotheyelloworredrange.
Figure11
1.Hourmeter
DiagnosticLight
Itwillilluminateshouldasystemfaultberecognized.
LowerMow/RaiseControlLever
Thislever(Figure10)raisesandlowersthecuttingdecks
andalsostartsandstopsthemowerswhenthemowersare
HydraulicFilterRestrictionIndicator
Withtheenginerunningatnormaloperatingtemperature,
viewtheindicator(Figure12),itshouldbeintheGreenzone.
WhentheindicatorisintheRedzone,changethehydraulic
lters.
17
Page 18

1.Hydrauliclterrestrictionindicator
Figure12
FuelGauge
Thefuelgauge(Figure13)showstheamountoffuelinthe
tank.
Figure13
Figure14
1.Headlightswitch
PowerPoint
Thepowerpointisa12voltpowersupplyforelectronic
devices(Figure15).
1.Fueltankcap
2.Fuelgauge
HeadlightSwitch
Pivottheswitchdownwardtoturnontheheadlights
(Figure14).
Figure15
1.Powerpoint
18
Page 19

Specications
Note:Specicationsanddesignaresubjecttochange
withoutnotice.
TransportWidth
Widthofcut90inches(229cm)
Length
Height
Netweight*3,114lb(1,412kg)
Fueltankcapacity
Transportspeed
Mowingspeed
*Withcuttingdecksanduids
89inches(226cm)
126inches(320cm)
86inches(218cm)
13.5USgallons(51l)
0–10mph(0–16kph)
0–8mph(0–13kph)
Attachments/Accessories
AselectionofToroapprovedattachmentsandaccessoriesis
availableforusewiththemachinetoenhanceandexpand
itscapabilities.ContactyourAuthorizedServiceDealeror
Distributororgotowww .T oro.comforalistofallapproved
attachmentsandaccessories.
Operation
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
CAUTION
Ifyouleavethekeyintheignitionswitch,someone
couldaccidentlystarttheengineandseriously
injureyouorotherbystanders.
Lowerthecuttingdeckstotheground,setthe
parkingbrakeandremovethekeyfromtheignition
switchbeforeservicingormakingadjustmentsto
themachine.
CheckingtheEngineOilLevel
Theengineisshippedwithoilinthecrankcase;however,the
oillevelmustbecheckedbeforeandaftertheengineisrst
started.
Crankcasecapacityisapproximately5.5qt.(5.2l)withthe
lter.
Usehigh-qualityengineoilthatmeetsthefollowing
specications:
•APIClassicationLevelRequired:CH-4,CI-4orhigher
•Preferredoil:SAE15W-40(above0degreesF)
•Alternateoil:SAE10W-30or5W-30(alltemperatures)
ToroPremiumEngineoilisavailablefromyourdistributorin
either15W-40or10W -30viscosity .
1.Parkthemachineonalevelsurface,stoptheengine,
settheparkingbrakeandremovethekeyfromthe
ignitionswitch.
2.Openthehood.
3.Removethedipstick,wipeitclean,andinstallit(Figure
16).
19
Page 20

CheckingtheCoolingSystem
Cleandebrisoffofthescreen,oilcooler,andfrontofthe
radiatordailyandmoreoftenifconditionsareextremely
dustyanddirty.RefertothesectiononRemovingDebris
fromtheCoolingSysteminMaintenance.
Thecoolingsystemislledwitha50/50solutionofwater
andpermanentethyleneglycolantifreeze.Checkthelevel
ofcoolantintheexpansiontankatthebeginningofeach
daybeforestartingtheengine.Thecapacityofthecooling
systemis10.0quarts(9.5l).
CAUTION
Iftheenginehasbeenrunning,thepressurized,hot
coolantcanescapeandcauseburns.
•Donotopentheradiatorcapwhentheengine
Figure16
1.Dipstick
isrunning.
•Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
4.Removedipstickandcheckoillevelondipstick.
TheoillevelshouldbeuptotheFullmark.
5.IftheoillevelisbelowtheFullmark,removethell
cap(
Figure17)andaddoiluntillevelreachestheFull
markondipstick.
1.Checkthelevelofcoolantintheexpansiontank
(Figure18).
Thecoolantlevelshouldbebetweenthemarksonthe
sideofthetank.
Figure18
Figure17
1.Oilllcap
Donotoverll.
Important:Besuretokeeptheengineoillevel
betweentheupperandlowerlimitsontheoil
gauge.Enginefailuremayoccurasaresultofover
llingorunderllingtheengineoil.
6.Installtheoilllcapandclosethehood.
1.Expansiontank
2.Ifthecoolantlevelislow ,removetheexpansiontank
capandreplenishthesystem.Donotoverll.
3.Installtheexpansiontankcap.
AddingFuel
Useonlyclean,freshdieselfuelorbiodieselfuelswithlow
(<500ppm)orultralow(<15ppm)sulfurcontent.The
minimumcetaneratingshouldbe40.Purchasefuelin
20
Page 21

quantitiesthatcanbeusedwithin180daystoensurefuel
freshness.
Fueltankcapacity:13.5gallons(51l)
Usesummergradedieselfuel(No.2-D)attemperatures
above20°F(-7°C)andwintergrade(No.1-DorNo.
1-D/2-Dblend)belowthattemperature.Useofwintergrade
fuelatlowertemperaturesprovideslowerashpointand
coldowcharacteristicswhichwilleasestartingandreduce
fuellterplugging.
Useofsummergradefuelabove20°F(-7°C)willcontribute
towardlongerfuelpumplifeandincreasedpowercompared
towintergradefuel.
Important:Donotusekeroseneorgasolineinsteadof
dieselfuel.Failuretoobservethiscautionwilldamage
theengine.
WARNING
Fuelisharmfulorfatalifswallowed.Long-term
exposuretovaporscancauseseriousinjuryand
illness.
•Avoidprolongedbreathingofvapors.
•Keepfaceawayfromnozzleandgastankor
conditioneropening .
•Keepfuelawayfromeyesandskin.
BiodieselReady
DANGER
Incertainconditions,fuelisextremelyammable
andhighlyexplosive.Areorexplosionfromfuel
canburnyouandothersandcandamageproperty.
•Fillthefueltankoutdoors,inanopenarea,when
theengineiscold.Wipeupanyfuelthatspills.
•Neverllthefueltankinsideanenclosedtrailer.
•Neversmokewhenhandlingfuel,andstayaway
fromanopenameorwherefuelfumesmaybe
ignitedbyaspark.
•Storefuelinanapprovedcontainerandkeepit
outofthereachofchildren.Neverbuymore
thana180-daysupplyoffuel.
•Donotoperatewithoutentireexhaustsystemin
placeandinproperworkingcondition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleasedcausingasparkwhich
canignitethefuelvapors.Areorexplosionfrom
fuelcanburnyouandothersandcandamage
property.
•Alwaysplacefuelcontainersonthegroundaway
fromyourvehiclebeforelling.
Thismachinecanalsouseabiodieselblendedfuelofup
toB20(20%biodiesel,80%petrodiesel).Thepetrodiesel
portionshouldbeloworultralowsulfur.Observethe
followingprecautions:
•Thebiodieselportionofthefuelmustmeetspecication
ASTMD6751orEN14214.
•TheblendedfuelcompositionshouldmeetASTMD975
orEN590.
•Paintedsurfacesmaybedamagedbybiodieselblends.
•UseB5(biodieselcontentof5%)orlesserblendsincold
weather.
•Monitorseals,hoses,gasketsincontactwithfuelasthey
maybedegradedovertime.
•Fuellterpluggingmaybeexpectedforatimeafter
convertingtobiodieselblended.
•Contactyourdistributorifyouwishformoreinformation
onbiodiesel.
•Donotllfuelcontainersinsideavehicleoron
atruckortrailerbedbecauseinteriorcarpets
orplastictruckbedlinersmayinsulatethe
containerandslowthelossofanystaticcharge.
•Whenpractical,removeequipmentfromthe
truckortrailerandrefueltheequipmentwithits
wheelsontheground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfromaportable
container,ratherthanfromafueldispenser
nozzle.
•Ifafueldispensernozzlemustbeused,keepthe
nozzleincontactwiththerimofthefueltank
orcontaineropeningatalltimesuntilfuelingis
complete.
1.Parkthemachineonalevelsurface.
2.Usingacleanrag,cleanareaaroundfueltankcap.
3.Removecapfromthefueltank(
Figure19).
21
Page 22

Figure19
1.Fueltankcap2.Fuelgauge
4.Fillthetankuntilthelevelistothebottomoftheller
neckwithdieselfuel.
5.Installfueltankcaptightlyafterllingtank.
Note:Ifpossible,llthefueltankaftereachuse.This
willminimizepossiblebuildupofcondensationinside
thefueltank.
CheckingtheHydraulicFluid
PourPoint,ASTMD97-34°Fto-49°F
IndustrySpecications:
VickersI-286-S(QualityLevel),VickersM-2950-S
(QualityLevel),DenisonHF-0
Note:Manyhydraulicuidsarealmostcolorless,makingit
difculttospotleaks.Areddyeadditiveforthehydraulic
systemoilisavailablein2/3oz.(20ml)bottles.Onebottleis
sufcientfor4-6gal(15-221)ofhydraulicoil.Orderpartno.
44-2500fromyourauthorizedTorodistributor.
BiodegradableHydraulicFluid-Mobil224H
ToroBiodegradableHydraulicFluid(Availablein5
gallonpailsor55gallondrums.SeepartscatalogorT oro
distributorforpartnumbers.)
Alternateuid:MobilEAL224H
Note:Thisisvegetable-oilbasedbiodegradableoiltested
andapprovedbyToroforthismodel.Thisuidisnotas
resistanttohightemperaturesasstandarduid,sobesure
tofollowtherecommendeduidchangeintervalswiththis
uid.Contaminationbymineral-basedhydraulicuidswill
changethebiodegradabilityandtoxicityofthisoil.When
changingfromstandarduidtothebiodegradabletype,be
certaintofollowtheapprovedushingprocedure.Contact
yourlocalToroDistributorfordetails.
1.Positionmachineonalevelsurface,lowerthecutting
decksandstoptheengine.
2.Cleanareaaroundllerneckandcapofhydraulictank
(Figure20).
Themachinesreservoirislledatthefactorywith
approximately10U .S.gallons(37.8l)ofhighqualityhydraulic
uid.Checkthelevelofthehydraulicuidbeforethe
engineisrststartedanddailythereafter.Therecommended
replacementuidisasfollows:
ToroPremiumAllSeasonHydraulicFluid(Availablein5
gallonpailsor55gallondrums.SeepartscatalogorT oro
distributorforpartnumbers.)
Alternateuids:IftheT orouidisnotavailable,other
uidsmaybeusedprovidedtheymeetallthefollowing
materialpropertiesandindustryspecications.W edonot
recommendtheuseofsyntheticuid.Consultwithyour
lubricantdistributortoidentifyasatisfactoryproductNote:
Torowillnotassumeresponsibilityfordamagecausedby
impropersubstitutions,souseonlyproductsfromreputable
manufacturerswhowillstandbehindtheirrecommendation.
HighViscosityIndex/LowPourPointAnti-wearHydraulic
Fluid,ISOVG46
MaterialProperties:
Viscosity,ASTMD445cSt@40°C44to48cSt
ViscosityIndexASTM
D2270
@100°C7.9to8.5
140to160
Figure20
1.Hydraulictankcap
3.Removecap/dipstickfromllerneckandwipeitwith
acleanrag.Insertdipstickintollerneck;thenremove
itandchecklevelofuid.Fluidlevelshouldbewithin
operatingrangeondipstick.Donotoverll.
4.Iflevelislow ,addappropriateuidtoraiselevelto
fullmark.
5.Installcap/dipstickontollerneck.
22
Page 23

ChecktheTorqueoftheWheel
Nuts
Torquethewheelnutsto70to90ft-lb(94to122N⋅m).after
1-4hoursofoperationandagainafter10hoursofoperation.
Torqueevery250hoursthereafter.
WARNING
Failuretomaintainpropertorqueofthewheelnuts
couldresultinpersonalinjury.
BleedingtheFuelSystem
Youmustbleedthefuelsystembeforestartingtheengineif
anyofthefollowingsituationshaveoccurred:
•Initialstartupofanewmachine.
•Enginehasceasedrunningduetolackoffuel.
•Maintenancehasbeenperformeduponfuelsystem
components;i.e.,lterreplaced,separatorserviced,etc.
DANGER
Undercertainconditions,dieselfuelandfuel
vaporsarehighlyammableandexplosive.Are
orexplosionfromfuelcanburnyouandothersand
cancausepropertydamage.
•Useafunnelandllthefueltankoutdoors,in
anopenarea,whentheengineisoffandiscold.
Wipeupanyfuelthatspills.
•Donotllthefueltankcompletelyfull.Add
fueltothefueltankuntilthelevelis1/4to1/2
in.(6to13mm)belowthebottomoftheller
neck.Thisemptyspaceinthetankallowsthe
fueltoexpand.
•Neversmokewhenhandlingfuel,andstayaway
fromanopenameorwherefuelfumesmaybe
ignitedbyaspark.
•Storefuelinaclean,safety-approvedcontainer
andkeepthecapinplace.
1.Parkthemachineonalevelsurfaceandensurethatthe
fueltankisatleasthalffull.
2.Openthehood.
3.Opentheairbleedscrewonthefuelinjectionpump
(
Figure21)witha12mmwrench.
Figure21
1.Bleedscrew
4.TurnthekeyintheignitionswitchtotheOnposition.
Theelectricfuelpumpwillbeginoperation,thereby
forcingairoutaroundtheairbleedscrew .Leavethe
keyintheOnpositionuntilasolidstreamoffuelows
outaroundthescrew .
5.TightenthescrewandturnthekeytotheOffposition.
Note:Normally,theengineshouldstartaftertheabove
bleedingproceduresarefollowed.However,ifenginedoes
notstart,airmaybetrappedbetweeninjectionpumpand
injectors;refertoBleedingAirfromtheInjectors.
StartingandStoppingthe
Engine
Important:Y oumustbleedthefuelsystembefore
startingtheengineifyouarestartingtheengineforthe
rsttime,theenginehasstoppedduetolackoffuel,or
youhaveperformedmaintenanceonthefuelsystem;
refertoBleedingtheFuelSystem.
StartingtheEngine
1.Sitontheseat,keepyourfootoffofthetractionpedal
sothatitisinNeutral,engagetheparkingbrake,set
thethrottletotheFastposition,andensurethatthe
Enable/DisableswitchisintheDisableposition.
2.TurntheignitionswitchtotheOn/Preheatposition.
Anautomatictimerwillcontroltheglowplugpreheat
for6seconds.
3.Afterpreheatingtheglowplugs,turnkeytotheStart
position.
Cranktheenginefornolongerthan15seconds.
Releasethekeywhentheenginestarts.Ifadditional
23
Page 24

preheatingisrequired,turnkeytotheOffpositionand
thentotheOn/Preheatposition.Repeatthisprocess
asrequired.
4.Runtheengineatlowidlespeeduntilitwarmsup.
StoppingtheEngine
1.MoveallcontrolstoNeutral,settheparkingbrake,
movethethrottletothelowidlepositionandallowthe
enginetoreachlowidlespeed.
Important:Allowtheenginetoidlefor5
minutesbeforeshuttingitoffafterafullload
operation.Failuretodosomayleadtotroubleon
aturbo-chargedengine.
2.TurnthekeytotheOffpositionandremoveitfrom
theswitch.
PushingorTowingthe
Machine
Inanemergency,themachinecanbemovedbyactuatingthe
bypassvalveinthevariabledisplacementhydraulicpumpand
pushingortowingthemachine.
Important:Donotpushortowthemachinefasterthan
2-3mph(3-4.8km/h)becauseinternaltransmission
damagemayoccur.Thebypassvalvemustbeopen
wheneverthemachineispushedortowed.
1.Thebypassvalveislocatedontheleftsideofthe
hydrostat(
openandallowoiltobypassinternally.Becauseuid
isbypassed,themachinecanbemovedslowlywithout
damagingthetransmission.
Figure22).Rotatethebolt1–1/2turnsto
JackingPoints
Note:Usejackstandstosupportthemachinewhenrequired.
•Front—rectangularpad,undertheaxletube,insideeach
fronttire(Figure23).
Figure23
1.Frontjackingpoint
•Rear—rectangularaxletubeontherearaxle.
TieDowns
•Front—theholeintherectangularpad,undertheaxle
tube,insideeachfronttire(
Figure24).
Figure22
1.Bypassvalve
2.Closethebypassvalvebeforestartingtheengine.
However,donotexceed5-8ft.-lb.(7-11N·m)torque
toclosethevalve.
Important:Runningtheenginewiththebypass
valveopenwillcausethetransmissiontooverheat.
Figure24
1.Fronttiedown
•Rear—eachsideofthemachineontherearframe(Figure
25).
24
Page 25

1.Reartiedown
Figure25
Figure26
1.Diagnosticlight
UnderstandingtheDiagnostic
Light
Themachineisequippedwithadiagnosticlightwhich
indicatesiftheelectroniccontrollersensesanelectronic
malfunction.Thediagnosticlightislocatedonthecontrol
arm(Figure26).Whentheelectroniccontrollerisfunctioning
correctlyandthekeyswitchismovedtotheOnposition,
thecontrollerdiagnosticlightwillturnONfor3seconds
andturnOFFtoindicatethelightisworkingproperly .If
themachinekillsthelightwillturnonsteadyuntilthekey
positionischanged.Thelightwillblinkifthecontroller
detectsamalfunctionintheelectricalsystem.Thelightwill
stopblinkingandautomaticallyresetwhenthekeyswitchis
turnedtotheOffpositiononcethefaulthasbeenresolved.
Whenthecontrollerdiagnosticlightblinks,oneofthe
followingproblemshasbeendetectedbythecontroller:
•Oneoftheoutputshasbeenshorted.
•Oneoftheoutputsisopencircuited.
Usingthediagnosticdisplay,determinewhichoutputis
malfunctioning;refertoCheckingtheInterlockSwitches.
Ifthediagnosticlightisnotilluminatedwhenthekeyswitchis
intheOnposition,thisindicatesthattheelectroniccontroller
isnotoperating.Possiblecausesareasfollows:
•Loop-backisnotconnected.
•Thelightisburnedout.
•Fusesareblown.
•Itisnotfunctioningcorrectly.
Checktheelectricalconnections,inputfuses,anddiagnostic
lightbulbtodeterminethemalfunction.Ensurethatthe
loop-backconnectorissecuredtothewireharnessconnector.
DiagnosticAceDisplay
Themachineisequippedwithanelectroniccontrollerwhich
controlsmostmachinefunctions.Thecontrollerdetermines
whatfunctionisrequiredforvariousinputswitches(i.e.seat
switch,keyswitch,etc.)andturnsontheoutputstoactuate
solenoidsorrelaysfortherequestedmachinefunction.
Fortheelectroniccontrollertocontrolthemachineas
desired,eachoftheinputswitches,outputsolenoids,and
relaysmustbeconnectedandfunctioningproperly .
UsetheDiagnosticACEdisplaytohelpverifyandcorrect
electricalfunctionsofthemachine.
25
Page 26

CheckingtheInterlock
Switches
Thepurposeoftheinterlockswitchesistopreventthe
enginefromcrankingorstartingunlessthetractionpedalis
intheNeutralposition,theEnable/Disableswitchisinthe
Disableposition,andtheLowerMow/Raisecontrolisinthe
Neutralposition.Inaddition,theengineshouldstopwhen
thetractionpedalispressedwithoperatoroffoftheseatorif
theparkingbrakeisleftengaged.
CAUTION
Ifsafetyinterlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
VerifyingtheInterlockSwitchFunction
1.Parkthemachineonalevelsurface,lowerthecutting
decks,stoptheengine,andengagetheparkingbrake.
2.Removetheaccesspanelfromthesideofthecontrol
arm.
3.Locatethewireharnessandconnectorsnearthe
controller(Figure27).
Figure28
1.DiagnosticACE
6.TurnthekeyswitchtotheOnposition,butdonot
startthemachine.
Note:Theredtextontheoverlaydecalreferstoinput
switchesandthegreentextreferstooutputs.
7.The“inputsdisplayed”LED,onthelowerright
columnoftheDiagnosticACE,shouldbeilluminated.
Ifthe“outputsdisplayed”LEDisilluminated,press
thetogglebutton,onDiagnosticACE,tochangeLED
to“inputsdisplayed”.
TheDiagnosticACEwillilluminatetheLEDassociated
witheachoftheinputswhenthatinputswitchisclosed.
8.Individually,changeeachoftheswitchesfromopen
toclosed(i.e.,sitonseat,engagetractionpedal,etc.),
andnotethattheappropriateLEDonDiagnosticACE
willblinkonandoffwhencorrespondingswitchis
closed.Repeatthisforallswitchesthatyoucanchange
byhand.
9.IfaswitchisclosedandtheappropriateLEDdoesnot
turnon,checkallwiringandconnectionstotheswitch
and/orchecktheswitcheswithanohmmeter.Replace
anydefectiveswitchesandrepairanydefectivewiring.
Figure27
1.Wireharnessandconnectors
4.Carefullyunplugloopbackconnectorfromharness
connector.
5.ConnecttheDiagnosticACEdisplayconnectortothe
harnessconnector(Figure28).
Note:Makesurecorrectoverlaydecalispositioned
onDiagnosticACEdisplay .
Note:TheDiagnosticACEalsohastheabilitytodetect
whichoutputsolenoidsorrelaysareturnedon.Thisisa
quickwaytodetermineifamachinemalfunctioniselectrical
orhydraulic.
VerifyingOutputFunction
1.Parkthemachineonalevelsurface,lowerthecutting
decks,stoptheengine,andengagetheparkingbrake.
2.Removetheaccesspanelfromthesideofthecontrol
arm.
3.Locatewireharnessandconnectorsnearcontroller.
4.Carefullyunplugloopbackconnectorfromharness
connector.
5.ConnecttheDiagnosticACEconnectortotheharness
connector.
26
Page 27

Note:Makesurecorrectoverlaydecalispositioned
onDiagnosticACE.
6.TurnthekeyswitchtotheONposition,butdonot
startmachine.
Note:Theredtextontheoverlaydecalreferstoinput
switchesandthegreentextreferstooutputs.
7.The“outputsdisplayed”LED ,onlowerrightcolumn
ofDiagnosticACE,shouldbeilluminated.Ifthe
“inputsdisplayed”LEDisilluminated,pressthetoggle
button,ontheDiagnosticACE,tochangetheLEDto
“outputsdisplayed”.
Note:Itmaybenecessarytotogglebetween“inputs
displayed”and“outputsdisplayed”severaltimestodo
thefollowingstep.Totogglebackandforth,press
thetogglebuttononce.Thismaybedoneasoftenas
required.Donotholdthebutton.
HydraulicValveSolenoid
Functions
Usethelistbelowtoidentifyanddescribethedifferent
functionsofthesolenoidsinthehydraulicmanifold.Each
solenoidmustbeenergizedtoallowfunctiontooccur.
Solenoid
PRV2Frontmowercircuit
PRV1Rearmowercircuit
PRV
S1
S2
Lift/lowercuttingdecks
Lowercuttingdecks
Lowercuttingdecks
Function
OperatingTips
8.Sitontheseatandattempttooperatethedesired
functionofthemachine.Theappropriateoutput
LEDsshouldilluminatetoindicatethattheECMis
turningonthatfunction.
Note:IfthecorrectoutputLEDsdonotilluminate,verify
thattherequiredinputswitchesareinthenecessarypositions
toallowthatfunctiontooccur.Verifycorrectswitchfunction.
IftheoutputLEDsareonasspecied,butthemachinedoes
notfunctionproperly,thisindicatesanon-electricalproblem.
Repairasnecessary.
Note:Ifeachoutputswitchisinthecorrectpositionand
functioningcorrectly,buttheoutputLEDsarenotcorrectly
illuminated,thisindicatesanECMproblem.Ifthisoccurs,
contactyourToroDistributorforassistance.
Important:TheDiagnosticACEdisplaymustnotbe
leftconnectedtothemachine.Itisnotdesignedto
withstandtheenvironmentofthemachine'severyday
use.WhendoneusingtheDiagnosticACE,disconnect
itfromthemachineandconnectloop-backconnector
toharnessconnector.Themachinewillnotoperate
withoutloopbackconnectorinstalledontheharness.
StoretheDiagnosticACEindry,securelocationinthe
shop,notonthemachine.
Familiarization
Beforemowinggrass,practiceoperatingthemachineinan
openarea.Startandstoptheengine.Operateinforward
andreverse.Lowerandraisethecuttingdecksandengage
anddisengagethemowers.Whenyoufeelfamiliarwiththe
machine,practiceoperatingupanddownslopesatdifferent
speeds.
WarningSystem
Ifawarninglightcomesonduringoperation,stopthe
machineimmediatelyandcorrecttheproblembefore
continuingoperation.Seriousdamagecouldoccurifyou
operatethemachinewithamalfunction.
Mowing
StarttheengineandmovethethrottletotheFastposition.
MovetheEnable/DisableswitchtotheEnablepositionand
usetheLowerMow/Raiselevertocontrolthecuttingdecks.
Tomoveforwardandcutgrass,pressthetractionpedal
forward.
Note:Allowtheenginetoidlefor5minutesbeforeshutting
itoffafterafullloadoperation.Failuretodosomayleadto
turbo-chargertrouble.
MowwhentheGrassisDry
Moweitherinthelatemorningtoavoidthedew ,whichcauses
grassclumping,orinlateafternoontoavoidthedamage
thatcanbecausedbydirectsunlightonthesensitive,freshly
mowedgrass.
SelecttheProperHeight-of-CutSetting
toSuitConditions
Removeapproximatelyoneinchornomorethan1/3ofthe
grassbladewhencutting.Inexceptionallylushanddense
grassyoumayhavetoraisetheheight–of–cutsetting.
27
Page 28

AlwaysStartMowingwithSharpBlades
Asharpbladecutscleanlyandwithouttearingorshredding
thegrassbladeslikeadullblade.Tearingandshredding
causesthegrasstoturnbrownattheedgeswhichimpairs
growthandincreasessusceptibilitytodiseases.Makesure
bladeisingoodconditionandafullsailispresent.
CheckConditionofDeck
Makesurethatthecuttingchambersareingoodcondition.
Straightenanybendsinthechambercomponentstoensure
thecorrectbladetip/chamberclearance.
AfterOperating
Toensureoptimumperformance,cleantheundersideof
mowerhousing.Ifyouallowresiduetobuildupinmower
housing,cuttingperformancewilldecrease.
Transport
MovetheEnable/DisableswitchtotheDisablepositionand
raisethecuttingdeckstothetransportposition.Movethe
Mow/Transportlevertothetransportposition.Becareful
whendrivingbetweenobjectssoyoudonotaccidentally
damagethemachineorcuttingdecks.Useextracarewhen
operatingthemachineonslopes.Driveslowlyandavoid
sharpturnsonslopestopreventrollovers.Lowerthecutting
deckswhengoingdownhillforsteeringcontrol.
28
Page 29

Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
Afterthersthour
Aftertherst8hours
Aftertherst10hours
Aftertherst50hours
Beforeeachuseordaily
Every50hours
Every100hours
Every150hours
MaintenanceProcedure
•T orquethewheellugnutsto70to90ft-lb(94to122N⋅m).
•Checktheconditionandtensionofthealternatorbelt.
•T orquethewheellugnutsto70to90ft-lb(94to122N⋅m).
•Changetheengineoilandlter.
•ChecktheengineRPM(idleandfullthrottle).
•Checktheengineoillevel.
•Checkthecoolingsystem.
•Checkthehydraulicuidlevel.
•Checktheoperationoftheinterlockswitches.
•Removedebrisfromthescreen,oilcoolers,andradiator(morefrequentlyindirty
operatingconditions).
•Checkthehydrauliclinesandhosesforleaks,kinkedlines,loosemountingsupports,
wear,loosettings,weatherdeterioration,andchemicaldeterioration.
•Greasethebearingsandbushings.(Greasethemimmediatelyaftereverywashing
regardlessoftheintervallisted.)
•Checktheconditionofandcleanthebattery.
•Checkthebatterycableconnections.
•Inspectthecoolingsystemhoses.
•Checktheconditionandtensionofthealternatorbelt.
•Changetheengineoilandlter.
Every200hours
Every250hours
Every400hours
Every800hours
Beforestorage
Every2years
•Drainmoisturefromthefuelandhydraulicuidtanks.
•T orquethewheellugnutsto70to90ft-lb(94to122N⋅m).
•Servicetheaircleaner.(Servicetheaircleanerearlieriftheaircleanerindicator
showsred.Serviceitmorefrequentlyinextremelydirtyordustyconditions.)
•Checkthefuellinesandconnectionsfordeterioration,damage,orlooseconnections.
•Replacethefuelltercanister.
•ChecktheengineRPM(idleandfullthrottle).
•Drainandcleanthefueltank
•Checktherearwheeltoe-in.
•Changethehydraulicuid.
•Changethehydrauliclters(sooneriftheserviceintervalindicatorisintheRed
zone).
•Packtherearwheelbearings
•Adjusttheenginevalves(refertotheengineOperator'sManual)
•Drainandcleanthefueltank
•Flushandreplacethecoolingsystemuid.
•Drainandushthehydraulictank.
•Replaceallmovinghoses.
29
Page 30

DailyMaintenanceChecklist
Duplicatethispageforroutineuse.
Fortheweekof: MaintenanceCheckItem
Mon.Tues.Wed.Thurs.Fri.
Checkthesafetyinterlockoperation.
Checkthebrakeoperation.
Checktheengineoilandfuellevel.
Drainthewater/fuelseparator.
Checktheairlterrestrictionindicator.
Checktheradiatorandscreenfordebris.
Checkunusualenginenoises.
Checkunusualoperatingnoises.
Checkthehydraulicsystemoillevel.
Checkthehydrauliclterindicator.
Checkhydraulichosesfordamage.
Checkforuidleaks.
Checkthetirepressure.
Checktheinstrumentoperation.
ChecktheHeightofCutadjustment
CheckConditionofBlades
Checkallgreasettingsforlubrication.
Touch-updamagedpaint.
1.Checktheglowplugandinjectornozzlesifhardstarting,excesssmoke,orroughrunningisnoted.
1
2
3
Sat.Sun.
2.Checkwiththeenginerunningandtheoilatoperatingtemperature
3.Immediatelyaftereverywashing,regardlessoftheintervallisted
NotationforAreasofConcern
Inspectionperformedby:
ItemDate
1
2
3
4
5
6
7
8
Important:Refertoyour
Information
Engine Operator's Man ual
foradditionalmaintenanceprocedures.
30
Page 31

ServiceIntervalChart
Figure29
CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentlystarttheengineandseriouslyinjure
youorotherbystanders.
Removethekeyfromtheignitionbeforeyoudoanymaintenance.
Lubrication
GreasingtheBearingsand
Bushings
Ifyouoperatethemachineundernormalconditions,lubricate
allgreasettingsforthebearingsandbushingsafterevery
50hoursofoperationwithNo.2GeneralPurposeLithium
BaseGrease.Lubricatebearingsandbushingsimmediately
aftereverywashing,regardlessoftheintervallisted.
Thegreasettinglocationsandquantitiesareasfollows:
•PumpdriveshaftU-joint(3)(
Figure30)
Figure31
•Liftarmpivots(1each)(Figure31)
•Cuttingunitcarrierframepivot(1each)(
Figure32)
Figure30
•Cuttingunitliftarmcylinders(2each)(Figure31)
31
Page 32

Figure35
Figure32
•Liftarmpivotshaft(1each)(Figure33)
Figure33
•Rearaxletierod(2)(Figure34)
•Steeringcylinderballjoints(2)andrearaxle(1)(Figure36)
Figure36
•Brakepedal(1)(Figure37)
Figure34
•Axlesteeringpivot(1)(Figure35)
Figure37
32
Page 33

EngineMaintenance
ServicingtheAirCleaner
Checktheaircleanerbodyfordamagewhichcouldcausean
airleak.Replaceifdamaged.Checkthewholeintakesystem
forleaks,damageorloosehoseclamps.
Servicetheaircleanerlteronlywhentheserviceindicator
(Figure38)requiresit.Changingtheairlterbeforeitis
necessaryonlyincreasesthechanceofdirtenteringtheengine
whenthelterisremoved.
Important:Besurethecoverisseatedcorrectlyand
sealswiththeaircleanerbody .
1.Releasethelatchessecuringtheaircleanercovertothe
aircleanerbody(Figure38).
Figure38
1.Aircleanercover3.Aircleanerservice
indicator
2.Aircleanercoverlatch
2.Removethecoverfromtheaircleanerbody.Before
removingthelter,uselowpressureair(40psi,clean
anddry)tohelpremovelargeaccumulationsofdebris
packedbetweenoutsideofthelterandthecanister.
Avoidusinghighpressureairwhichcouldforce
dirtthroughthelterintotheintaketract.
Figure39
1.Aircleanercover
2.Aircleanerlter
3.Aircleanerindicator
4.Cleanthedirtejectionportlocatedintheremovable
cover.Removetherubberoutletvalvefromthecover,
cleanthecavityandreplacetheoutletvalve.
5.Installthecoverorientingtherubberoutletvalveina
downwardposition—betweenapproximately5:00to
7:00whenviewedfromtheend.
6.Securethelatches.
ServicingtheEngineOiland
Filter
Changetheengineoilandlterinitiallyaftertherst50hours
ofoperationandevery150hoursthereafter.
1.Removethedrainplug(Figure40)andlettheoilow
intoadrainpan.
Thiscleaningprocesspreventsdebrisfrommigrating
intotheintakewhenthelterisremoved.
3.Removeandreplacethelter(Figure39).
Cleaningoftheusedelementisnotrecommendeddue
tothepossibilityofdamagetotheltermedia.Inspect
thenewlterforshippingdamage,checkingthesealing
endofthelterandthebody.Donotuseadamaged
element.Insertthenewlterbyapplyingpressureto
theouterrimoftheelementtoseatitinthecanister.
Donotapplypressuretotheexiblecenterofthe
lter.
Figure40
1.Oildrainplug
2.Whentheoilstops,installthedrainplug.
33
Page 34

3.Removetheoillter(Figure41).
Figure41
1.Oillter
3.Holdtheinjectionpumpleverarmagainstthehigh
idlestop(Figure42).
4.Whilepullingthethrottlecable,toremoveanyslack,
tightenthethrottlecableconnector.
Note:Whentightened,thecablepivotmustbefreeto
swivelontheinjectionpumpleverarm.
5.Ifthethrottledoesnotstayinpositionduring
operation,increasethetorqueonthelocknut,usedto
setthefrictiondeviceonthethrottlelever.
4.Applyalightcoatofcleanoiltothenewlterseal.
5.Installthereplacementoilltertothelteradapter.
Turntheoillterclockwiseuntiltherubbergasket
contactsthelteradapter,thentightenthelteran
additional1/2turn.
Important:Donotover-tightenthelter.
6.Addoiltothecrankcase;refertoCheckingtheEngine
Oil.
AdjustingtheThrottle
1.Positionthethrottleleverforwardsoitisapproximately
1/8inchfromthefrontofthecontrolarmslot.
2.Loosenthethrottlecableconnector,onthethrottle
cable,nexttotheinjectionpumplever(Figure42).
Figure42
1.Throttlecablepivot3.Highidlestop
2.Injectionpumpleverarm4.Throttlecableconnector
34
Page 35

FuelSystem
Maintenance
DANGER
Undercertainconditions,dieselfuelandfuel
vaporsarehighlyammableandexplosive.Are
orexplosionfromfuelcanburnyouandothersand
cancausepropertydamage.
•Useafunnelandllthefueltankoutdoors,in
anopenarea,whentheengineisoffandiscold.
Wipeupanyfuelthatspills.
•Donotllthefueltankcompletelyfull.Add
fueltothefueltankuntilthelevelis1/4to1/2
in.(6to13mm)belowthebottomoftheller
neck.Thisemptyspaceinthetankallowsthe
fueltoexpand.
•Neversmokewhenhandlingfuel,andstayaway
fromanopenameorwherefuelfumesmaybe
ignitedbyaspark.
•Storefuelinaclean,safety-approvedcontainer
andkeepthecapinplace.
DrainingtheFuelTank
ServiceInterval:Every800hours
Beforestorage
Drainandcleanthefueltankifthefuelsystembecomes
contaminatedorifthemachineistobestoredforanextended
period.Usecleanfueltoushoutthetank.
Figure43
1.Waterseparatorltercanister
3.Cleantheareawheretheltercanistermounts.
4.Removetheltercanisterandcleanthemounting
surface.
5.Lubricatethegasketontheltercanisterwithcleanoil.
6.Installtheltercanisterbyhanduntilthegasket
contactsmountingsurface,thenrotateitanadditional
1/2turn.
7.Tightenthedrainplugonthebottomofthelter
canister.
FuelPick-upTubeScreen
Thefuelpick-uptube,locatedinsidethefueltank,isequipped
withascreentohelppreventdebrisfromenteringthefuel
system.Removethefuelpick-uptubeandcleanscreenas
required.
BleedingAirfromtheFuel
CheckingtheFuelLinesand
Connections
Checkthefuellinesandconnectionsevery400hoursor
yearly,whichevercomesrst.Inspectthemfordeterioration,
damage,orlooseconnections.
ServicingtheWaterSeparator
ServiceInterval:Every400hours
Drainwaterorothercontaminantsfromwaterseparator
(Figure43)daily.Replaceltercanisterafterevery400hours
ofoperation.
1.Placeacleancontainerunderthefuellter.
2.Loosenthedrainplugonthebottomofthelter
canister.
Injectors
Note:Thisprocedureshouldbeusedonlyifthefuelsystem
hasbeenpurgedofairthroughnormalprimingprocedures
andtheenginewillnotstart;refertoBleedingtheFuel
System.
1.LoosenthepipeconnectiontotheNo.1nozzleand
holderassembly(Figure44).
35
Page 36

ElectricalSystem
Maintenance
Important:Beforeweldingonthemachine,disconnect
bothcablesfromthebattery,bothwireharnessplugs
fromtheelectroniccontrolmodule,andtheterminal
connectorfromthealternatortopreventdamagetothe
electricalsystem.
ServicingtheBattery
Figure44
1.Fuelinjectors
2.TurnthekeyinthekeyswitchtotheOnpositionand
watchthefuelowaroundtheconnector.Whenyou
observeasolidowoffuel,turnthekeytotheOff
position.
3.Tightenthepipeconnectorsecurely.
4.Repeatsteps1through3ontheremainingnozzles.
WARNING
CALIFORNIA
Proposition65Warning
Batteryposts,terminals,andrelated
accessoriescontainleadandleadcompounds,
chemicalsknowntotheStateofCalifornia
tocausecancerandreproductiveharm.
Washhandsafterhandling.
DANGER
Batteryelectrolytecontainssulfuricacidwhichisa
deadlypoisonandcausessevereburns.
•Donotdrinkelectrolyteandavoidcontactwith
skin,eyes,orclothing.Wearsafetyglassesto
shieldyoureyesandrubberglovestoprotect
yourhands.
•Fillthebatterywherecleanwaterisalways
availableforushingtheskin.
WARNING
Chargingthebatteryproducesgassesthatcan
explode.
Neversmokenearthebatteryandkeepsparksand
amesawayfromit.
Checkthebatteryconditionweeklyorafterevery50hours
ofoperation.Keeptheterminalsandtheentirebatterycase
cleanbecauseadirtybatterywilldischargeslowly.Toclean
thebattery,washtheentirecasewithasolutionofbaking
sodaandwater.Rinseitwithclearwater.
Fuses
Thereare8fusesintheelectricalsystem.Thefuseblock
(Figure45)islocatedbehindthecontrolarmaccesspanel.
36
Page 37

1.Fuseblock
Figure45
DriveSystem
Maintenance
AdjustingtheTractionDrive
forNeutral
Themachinemustnotcreepwhenthetractionpedalis
released.Ifitdoescreep,adjustasfollows:
1.Parkthemachineonalevelsurface,stoptheengine,
andlowerthecuttingdeckstotheoor.
2.Jackupthemachineuntilallthetiresareofftheshop
oor.Supportthemachinewithjackstandstoprevent
itfromfallingaccidentally .
3.Ontherightsideofthehydrostat,loosenthelocknut
onthetractionadjustmentcam(
Figure47).
Figure46
Figure47
1.Locknut2.Tractionadjustmentcam
WARNING
Theenginemustberunningsothenal
adjustmentofthetractionadjustmentcam
canbeperformed.Thiscouldcausepersonal
injury.
Keephands,feet,face,andotherbodyparts
awayfromthemufer,otherhotpartsofthe
engine,andanyrotatingparts.
4.Starttheengineandrotatethecamhexineither
directionuntilthewheelsceaserotation.
5.Tightenthelocknuttosecuretheadjustment.
6.Stoptheengine.Removethejackstandsandlowerthe
machinetotheshopoor.
37
Page 38

7.Testdrivethemachinetomakesureitdoesnotcreep.
CoolingSystem
AdjustingtheRearWheel
Toe-in
1.Rotatethesteeringwheelsothattherearwheelsare
straightahead.
2.Loosenthejamnutoneachendofthetierod(
48).
Note:Theendofthetierodwiththeexternalgroove
isalefthandthread.
Maintenance
RemovingDebrisfromthe
CoolingSystem
Figure
Removedebrisfromthescreen,oilcoolers,andradiatordaily
(cleanmorefrequentlyindirtyconditions).
1.Turntheengineoffandremovethekeyfromthe
ignitionswitch.
2.Thoroughlycleanalldebrisoutoftheenginearea.
3.Unlatchtheclampandpivotopentherearscreen
(Figure49).
Figure48
1.Jamnut3.Wrenchslot
2.Tierod
3.Usingthewrenchslot,rotatethetierod
4.Measurethedistanceatthefrontandrearoftherear
wheelsataxleheight.Thedistanceatthefrontofthe
rearwheelsshouldbelessthan1/4inch(6mm)ofthe
distancemeasuredattherearofthewheels.
5.Repeatprocedureasrequired.
Figure49
1.Rearscreenlatch2.Rearscreen
4.Cleanthescreenthoroughlywithcompressedair.
5.Pivotthelatchesinwardtoreleasetheoilcooler(Figure
50).
38
Page 39

Figure50
1.Oilcooler2.Oilcoolerlatches
6.Thoroughlycleanbothsidesoftheoilcoolerandthe
radiator(Figure51)withcompressedair.
BrakeMaintenance
AdjustingtheServiceBrakes
Adjusttheservicebrakeswhenthereismorethan1inchof
freetravelofthebrakepedal,orwhenthebrakesdonotwork
effectively.Freetravelisthedistancethebrakepedalmoves
beforeyoufeelbrakingresistance.
Note:Usethewheelmotorbacklashtorockthedrums
backandforthtoensurethatthedrumsarefreepriortoand
afteradjustment.
1.Toreducefreetravelofthebrakepedals,tightenthe
brakesbylooseningthefrontnutonthethreadedend
ofthebrakecable(Figure52).
Figure51
1.Radiator
7.Pivottheoilcoolerbackintopositionandsecurethe
latches.
8.Closethescreenandsecurethelatch.
Figure52
1.Brakecables2.Frontnuts
2.Tightentherearnuttomovethecablebackwarduntil
brakepedalshave1/2to3/4inch(1.27to1.9cm)of
freetravel,beforewheellockupisachieved.
3.Tightenthefrontnuts,ensuringthatbothcables
actuatethebrakessimultaneously .
AdjustingtheParkingBrake
Iftheparkingbrakefailstoengage,anadjustmenttothe
brakepawlisrequired.
1.Loosenthe2screwssecuringtheparkingbrakepawl
totheframe(Figure53).
39
Page 40

Figure53
1.Brakecables3.Parkingbrakepawl
2.Screws(2)
2.Presstheparkingbrakepedalforwarduntilthebrake
detentcompletelyengagesonthebrakepawl(Figure
53).
3.Tightenthe2screwslockingtheadjustment.
4.Brakedetent
BeltMaintenance
Checktheconditionandtensionofthealternatorbeltafter
therstdayofoperationandevery100operatinghours
thereafter.
TensioningtheAlternatorBelt
1.Openthehood.
2.Checkthetensionofthealternatorbeltbydepressing
it(Figure54)midwaybetweenthealternatorandthe
crankshaftpulleyswith22lb(10kg)offorce.
4.Pressthebrakepedaltoreleasetheparkingbrake.
5.Checktheadjustmentandreadjustasrequired.
Figure54
1.Brace3.Pivotbolt
2.Alternatorbelt
Thebeltshoulddeect7/16inch(11mm).Ifthe
deectionisincorrect,proceedtostep3.Ifcorrect,
continueoperation.
3.Loosentheboltsecuringthebracetotheengine
(Figure54),theboltsecuringthealternatortothebrace
andthepivotbolt.
4.Insertaprybarbetweenthealternatorandtheengine
andpryoutonthealternator.
5.Whenyouachievethepropertension,tighten
thealternator,braceandpivotboltstosecurethe
adjustment.
40
Page 41

HydraulicSystem
Maintenance
ChangingtheHydraulicFluid
Changehydraulicuidafterevery800operatinghours,in
normalconditions.Ifuidbecomescontaminated,contact
yourlocalTorodistributorbecausethesystemmustbe
ushed.Contaminateduidlooksmilkyorblackwhen
comparedtocleanoil.
1.Stoptheengineandraisethehood.
2.Placealargedrainpanunderthettingsecuredtothe
bottomofthehydraulicuidreservoir(Figure55).
ReplacingtheHydraulicFilters
Thehydraulicsystemisequippedwithaserviceinterval
indicator(Figure56).Withtheenginerunning,viewthe
indicator,itshouldbeintheGreenzone.Whentheindicator
isintheRedzone,changethehydrauliclters.
Figure56
1.Hydrauliclterrestrictionindicator
Important:Useofanyotherltersmayvoidthe
warrantyonsomecomponents.
Figure55
1.Hose
3.Disconnectthehosefromthebottomofthettingand
letthehydraulicuidowintothedrainpan.
4.Installthehosewhenhydraulicuidstopsdraining.
5.Fillthereservoirwithapproximately12U.S.gallons
(45l)ofhydraulicuid;refertoCheckingtheHydraulic
Fluid..
Important:Useonlyhydraulicuidsspecied.
Otheruidscouldcausesystemdamage.
6.Installthereservoircap.
7.Starttheengineanduseallofthehydrauliccontrolsto
distributehydraulicuidthroughoutthesystem.Also
checkforleaks.
1.Positionthemachineonalevelsurface,lowerthe
cuttingdecks,stoptheengine,engagetheparking
brake,andremovethekeyfromtheignitionswitch.
2.Cleantheareaaroundtheltermountingareaandplace
adrainpanunderlter(Figure57)and(Figure58).
Figure57
1.Hydrauliclter
8.Stoptheengine.
9.Checkthelevelofthehydraulicuidandaddenough
toraiseleveltotheFullmarkonthedipstick.
Important:Donotover-ll.
41
Page 42

1.Hydrauliclter
3.Removethelter.
Figure58
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Makesureallhydraulicuidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompin
holeleaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Getimmediatemedicalhelpifuidisinjected
intoskin.
4.Lubricatethegasketonthenewlterwithhydraulicoil.
5.Ensurethattheltermountingareaisclean.
6.Installthelterbyhanduntilthegasketcontactsthe
mountingsurface,thenrotateitanadditional1/2turn.
7.Repeattheprocedureontheotherlter.
8.Starttheengineandletitrunforabouttwominutesto
purgeairfromthesystem.
9.Stoptheengineandcheckforleaks.
CheckingtheHydraulicLines
andHoses
Daily,checkhydrauliclinesandhosesforleaks,kinked
lines,loosemountingsupports,wear,loosettings,weather
deterioration,andchemicaldeterioration.Makeallnecessary
repairsbeforeoperating.
ChangingtheCounterbalance
Settings
Duringdifferenttimesofthemowingseasonorwhenturf
conditionsvary,theamountofcounterbalance(upwardlift)
requiredonthecuttingdeckscanbechangedtomeetthe
conditions.
1.Positionthemachineonalevelsurface,lowerthe
cuttingdecks,stoptheengine,engagetheparking
brake,andremovethekeyfromtheignitionswitch.
2.Unlatchandremovetheaccesspanelfromthesideof
thecontrolarm.
3.Locatethetwocappedcounterbalancejumperwires
insidethecompartment(
Figure59).
Figure59
1.Counterbalancejumper
wires
4.WiththekeyintheOFFposition,removethecapfrom
jumperwiresandplugthewirestogether.
42
2.Wirecap
Page 43

Figure60
Storage
PreparingtheTractionUnit
1.Thoroughlycleanthetractionunit,cuttingdecks,and
engine.
2.Checkthetirepressure.Inatealltractionunittiresto
12to15psi(83to103kPa).
3.Checkallfastenersforloosenessandtightenthemas
necessary.
5.TurnthekeytotheRUNpositionbutDONOTstart
themachine.
6.Thecurrentcounterbalancesettingwillashonthe
diagnosticlight.Thesystemallowsfor3settings.
7.Thecounterbalancesettingischangedbyusingthe
Raise-LowerJoystick.Tochangethecounterbalance
settingproceedasfollows:
•Movingthejoystickforwardtothelowerposition
andreleasingitwilllowerthecounterbalance
setting,thusincreasingtheeffectiveweightofeach
cuttingdeckintheturf
•Movingthejoystickrearwardtotheraiseposition
andreleasingitwillincreasethecounterbalance
setting,thusdecreasingtheeffectiveweightofeach
cuttingdeckintheturf
•Afterthejoystickisreleased,thediagnosticlight
willashthenewcounterbalancesetting(1,2,or3).
8.Whenthedesiredsettingisattained,rotatethekeyto
theOffposition.
9.Unplugthejumperwires,installthecaponthewires
andputthewiresbackintothecompartment.
10.Replaceandlatchtheaccesscover.
4.Greaseallgreasettingsandpivotpoints.Wipeup
anyexcesslubricant.
5.Lightlysandandusetouch-uppaintonpaintedareas
thatarescratched,chipped,orrusted.Repairanydents
inthemetalbody.
6.Servicethebatteryandcablesasfollows:
A.Removethebatteryterminalsfromthebattery
posts.
B.Cleanthebattery,terminals,andpostswithawire
brushandbakingsodasolution.
C.Coatthecableterminalsandbatterypostswith
Grafo112Xskin-overgrease(ToroPartNo.
505-47)orpetroleumjellytopreventcorrosion.
D.Slowlyrechargethebatteryevery60daysfor24
hourstopreventleadsulfationofthebattery.
PreparingtheEngine
1.Draintheengineoilfromtheoilpanandreplacethe
drainplug.
2.Removeanddiscardtheoillter.Installanewoillter.
3.Relltheoilpanwithdesignatedquantityofmotoroil.
Note:Themachinecannotbeoperatedwhileinthe
counterbalanceadjustmentmode.Oncetheadjustment
hasbeencompleted,movethemachinetoatestarea
andoperatethemachinewiththenewsetting.The
newcounterbalancedsettingmaychangetheeffective
heightofcut.
HydraulicSystemTestPorts
Usethehydraulicsystemtestportstotestthepressurein
thehydrauliccircuits.ContactyourlocalTorodistributorfor
assistance.
4.Starttheengineandrunitatidlespeedfor
approximatelytwominutes.
5.Stoptheengine.
6.Thoroughlydrainallfuelfromthefueltank,lines,and
thefuellter/waterseparatorassembly .
7.Flushthefueltankwithfresh,cleandieselfuel.
8.Secureallfuelsystemttings.
9.Thoroughlycleanandservicetheaircleanerassembly.
10.Sealtheaircleanerinletandtheexhaustoutletwith
weatherprooftape.
11.Checktheantifreezeprotectionandaddasneededfor
expectedminimumtemperatureinyourarea.
43
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Schematics
HydraulicSchematic(Rev.A)
44
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ElectricalSchematic(Rev.-)
45
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ElectricalSchematic(Rev.-)
46
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Notes:
47
Page 48

TheToroT otalCoverageGuarantee
ALimitedWarranty
ConditionsandProductsCovered
TheToroCompanyanditsafliate,T oroWarrantyCompany ,pursuant
toanagreementbetweenthem,jointlywarrantyourT oroCommercial
product(“Product”)tobefreefromdefectsinmaterialsorworkmanship
fortwoyearsor1500operationalhours*,whicheveroccursrst.This
warrantyisapplicabletoallproductswiththeexceptionofAerators
(refertoseparatewarrantystatementsfortheseproducts).Wherea
warrantableconditionexists,wewillrepairtheProductatnocosttoyou
includingdiagnostics,labor ,parts,andtransportation.Thiswarranty
beginsonthedatetheProductisdeliveredtotheoriginalretailpurchaser.
*Productequippedwithanhourmeter.
InstructionsforObtainingWarrantyService
YouareresponsiblefornotifyingtheCommercialProductsDistributoror
AuthorizedCommercialProductsDealerfromwhomyoupurchasedthe
Productassoonasyoubelieveawarrantableconditionexists.Ifyouneed
helplocatingaCommercialProductsDistributororAuthorizedDealer,or
ifyouhavequestionsregardingyourwarrantyrightsorresponsibilities,
youmaycontactusat:
ToroCommercialProductsServiceDepartment
ToroWarrantyCompany
811 1LyndaleAvenueSouth
Bloomington,MN55420-1 196
952–888–8801or800–952–2740
E-mail:commercial.warranty@toro.com
OwnerResponsibilities
AstheProductowner ,youareresponsibleforrequiredmaintenance
andadjustmentsstatedinyourOperator'sManual.Failuretoperform
requiredmaintenanceandadjustmentscanbegroundsfordisallowinga
warrantyclaim.
ItemsandConditionsNotCovered
Notallproductfailuresormalfunctionsthatoccurduringthewarranty
periodaredefectsinmaterialsorworkmanship.Thiswarrantydoesnot
coverthefollowing:
•Productfailureswhichresultfromtheuseofnon-Tororeplacement
parts,orfrominstallationanduseofadd-on,ormodiednon-T oro
brandedaccessoriesandproducts.Aseparatewarrantymaybe
providedbythemanufactureroftheseitems.
•Productfailureswhichresultfromfailuretoperformrecommended
maintenanceand/oradjustments.Failuretoproperlymaintainyour
ToroproductpertheRecommendedMaintenancelistedinthe
Operator’sManualcanresultinclaimsforwarrantybeingdenied.
•ProductfailureswhichresultfromoperatingtheProductinan
abusive,negligent,orrecklessmanner.
•Partssubjecttoconsumptionthroughuseunlessfoundtobe
defective.Examplesofpartswhichareconsumed,orusedup,
duringnormalProductoperationinclude,butarenotlimitedto,brake
padsandlinings,clutchlinings,blades,reels,rollersandbearings
(sealedorgreasable),bedknives,sparkplugs,castorwheelsand
bearings,tires,lters,belts,andcertainsprayercomponentssuchas
diaphragms,nozzles,andcheckvalves,etc.
•Failurescausedbyoutsideinuence.Conditionsconsideredtobe
outsideinuenceinclude,butarenotlimitedto,weather,storage
practices,contamination,useofunapprovedfuels,coolants,
lubricants,additives,fertilizers,water,orchemicals,etc.
•Failureorperformanceissuesduetotheuseoffuels(e.g.gasoline,
diesel,orbiodiesel)thatdonotconformtotheirrespectiveindustry
standards.
•Normalnoise,vibration,wearandtear,anddeterioration.
•Normal“wearandtear”includes,butisnotlimitedto,damageto
seatsduetowearorabrasion,wornpaintedsurfaces,scratched
decalsorwindows,etc.
Parts
Partsscheduledforreplacementasrequiredmaintenancearewarranted
fortheperiodoftimeuptothescheduledreplacementtimeforthatpart.
Partsreplacedunderthiswarrantyarecoveredforthedurationofthe
originalproductwarrantyandbecomethepropertyofT oro.T orowill
makethenaldecisionwhethertorepairanyexistingpartorassemblyor
replaceit.T oromayuseremanufacturedpartsforwarrantyrepairs.
DeepCycleandLithium-IonBatteryWarranty:
DeepcycleandLithium-Ionbatterieshaveaspeciedtotalnumberof
kilowatt-hourstheycandeliverduringtheirlifetime.Operating,recharging,
andmaintenancetechniquescanextendorreducetotalbatterylife.Asthe
batteriesinthisproductareconsumed,theamountofusefulworkbetween
chargingintervalswillslowlydecreaseuntilthebatteryiscompletelyworn
out.Replacementofwornoutbatteries,duetonormalconsumption,
istheresponsibilityoftheproductowner.Batteryreplacementmaybe
requiredduringthenormalproductwarrantyperiodatowner’sexpense.
Note:(Lithium-Ionbatteryonly):ALithium-Ionbatteryhasapartonly
proratedwarrantybeginningyear3throughyear5basedonthetime
inserviceandkilowatthoursused.RefertotheOperator'sManualfor
additionalinformation.
MaintenanceisatOwner’sExpense
Enginetune-up,lubrication,cleaningandpolishing,replacementoflters,
coolant,andcompletingrecommendedmaintenancearesomeofthe
normalservicesT oroproductsrequirethatareattheowner’sexpense.
GeneralConditions
RepairbyanAuthorizedT oroDistributororDealerisyoursoleremedy
underthiswarranty .
NeitherTheToroCompanynorToroWarrantyCompanyisliablefor
indirect,incidentalorconsequentialdamagesinconnectionwiththe
useoftheToroProductscoveredbythiswarranty ,includingany
costorexpenseofprovidingsubstituteequipmentorserviceduring
reasonableperiodsofmalfunctionornon-usependingcompletion
ofrepairsunderthiswarranty.ExceptfortheEmissionswarranty
referencedbelow,ifapplicable,thereisnootherexpresswarranty.
Allimpliedwarrantiesofmerchantabilityandtnessforuseare
limitedtothedurationofthisexpresswarranty .
Somestatesdonotallowexclusionsofincidentalorconsequential
damages,orlimitationsonhowlonganimpliedwarrantylasts,sothe
aboveexclusionsandlimitationsmaynotapplytoyou.Thiswarranty
givesyouspeciclegalrights,andyoumayalsohaveotherrightswhich
varyfromstatetostate.
Noteregardingenginewarranty:
TheEmissionsControlSystemonyourProductmaybecoveredby
aseparatewarrantymeetingrequirementsestablishedbytheU.S.
EnvironmentalProtectionAgency(EPA)and/ortheCaliforniaAir
ResourcesBoard(CARB).Thehourlimitationssetforthabovedonot
applytotheEmissionsControlSystemWarranty.RefertotheEngine
EmissionControlWarrantyStatementsuppliedwithyourproductor
containedintheenginemanufacturer’sdocumentationfordetails
CountriesOtherthantheUnitedStatesorCanada
CustomerswhohavepurchasedT oroproductsexportedfromtheUnitedStatesorCanadashouldcontacttheirT oroDistributor(Dealer)toobtain
guaranteepoliciesforyourcountry ,province,orstate.IfforanyreasonyouaredissatisedwithyourDistributor'sserviceorhavedifcultyobtaining
guaranteeinformation,contacttheT oroimporter .
374-0253RevB