Toro 30645 User manual

FormNo.3372-806RevA
Base62inand72inMower
Groundsmaster®3400TractionUnit
ModelNo.30645—SerialNo.312000001andUp
ModelNo.30646—SerialNo.312000001andUp
ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

Introduction
ThisproductcomplieswithallrelevantEuropean
directives,fordetailspleaseseetheseparateproduct
specicDeclarationofConformity(DOC)sheet.
Thisrotary-bladelawncuttingdeckismounted
toaride-onmachineandisintendedtobeused
byprofessional,hiredoperatorsincommercial
applications.Itisprimarilydesignedforcuttinggrass
onwell-maintainedlawnsinparks,sportselds,and
oncommercialgrounds.Itisnotdesignedforcutting
brush,mowinggrassandothergrowthalongside
highways,orforagriculturaluses.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperating
theproductproperlyandsafely.
YoumaycontactTorodirectlyatwww.Toro.comfor
productandaccessoryinformation,helpndingadealer,
ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Themodel
andserialnumbersarestampedintoaplatethatis
mountedonthemowerhousing.Writethenumbersin
thespaceprovided.
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure1),
whichsignalsahazardthatmaycauseseriousinjury
ordeathifyoudonotfollowtherecommended
precautions.
Figure1
1.Safetyalertsymbol
Thismanualuses2otherwordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Contents
Introduction.................................................................2
Safety...........................................................................3
SafeOperatingPractices.......................................3
ToroMowerSafety...............................................4
SafetyandInstructionalDecals.............................6
Setup...........................................................................7
1InstallingaCompletionKit................................7
2InstallingtheCastorWheelAssemblies...............8
3InstallingtheLiftArms......................................8
4InstallingtheCuttingUnitontheLift
Arms................................................................9
5ConnectingtheHydraulicDrive.........................9
6GreasingtheMachine......................................10
ProductOverview......................................................11
Specications.....................................................11
Attachments/Accessories...................................11
Operation...................................................................11
AdjustingtheHeight-of-Cut...............................11
AdjustingtheCuttingUnitPitch.........................12
AdjustingtheSkids.............................................13
AdjustingtheRollers..........................................13
CorrectingCuttingUnitMismatch......................13
OperatingTips...................................................14
Maintenance...............................................................15
RecommendedMaintenanceSchedule(s)................15
Lubrication.........................................................15
TiltingtheCuttingUnitforMaintenance.............16
SeparatingtheCuttingUnitfromtheTraction
Unit................................................................17
MountingtheCuttingUnittotheTraction
Unit................................................................17
ServicingtheBushingsintheCastor
Arms..............................................................18
ServicingtheCastorWheelsandBearings............18
CheckingforaBentBlade...................................19
RemovingandInstallingtheBlade(s)...................19
InspectingandSharpeningtheBlade(s)...............20
CheckingandCorrectingMismatchof
Blades............................................................21
ReplacingtheDriveBelt.....................................21
©2012—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
Contactusatwww.Toro.com.
PrintedintheUSA.
AllRightsReserved

Safety
ThismachinemeetsorexceedsCENstandardEN
836:1997.
Improperuseormaintenancebytheoperatoror
ownercanresultininjury.Toreducethepotential
forinjury,complywiththesesafetyinstructions
andalwayspayattentiontothesafetyalertsymbol,
whichmeansCAUTION,WARNING,orDANGER-
"personalsafetyinstruction."Failuretocomplywiththe
instructionmayresultinpersonalinjuryordeath.
SafeOperatingPractices
ThefollowinginstructionsarefromtheCENstandard
EN836:1997.
Training
•Readtheoperator'smanualandothertraining
materialcarefully.Befamiliarwiththecontrols,
safetysigns,andtheproperuseoftheequipment.If
theoperatorormechaniccannotreadthelanguage
ofthismanual,itistheowner'sresponsibilityto
explainthismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.The
ownerisresponsiblefortrainingtheusers
•Neverletchildrenoruntrainedpeopleoperateor
servicetheequipment.Localregulationsmayrestrict
theageoftheoperator.
•Theowner/usercanpreventandisresponsiblefor
accidentsorinjuriesoccurringtohimselforherself,
otherpeople,orproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyand
safelyperformthejob.Onlyuseaccessoriesand
attachmentsapprovedbythemanufacturer.
•Wearappropriateclothingincludinghardhat,safety
glassesandearprotection.Longhair,looseclothing
orjewelrymaygettangledinmovingparts.
•Inspecttheareawheretheequipmentistobeused
andremoveallobjectssuchasrocks,toysandwire
whichcanbethrownbythemachine.
•Useextracarewhenhandlinggasolineandother
fuels.Theyareammableandvaporsareexplosive.
–Useonlyanapprovedcontainer.
–Neverremovefuelcaporaddfuelwithengine
running.Allowenginetocoolbeforerefueling.
Donotsmoke.
–Neverrefuelordrainthemachineindoors.
–Iffuelisspilled,donotattempttostartthe
enginebutmovethemachineawayfromthe
areaofspillageandavoidcreatinganysourceof
ignitionuntilfuelvaporshavedissipated.
–Replaceallfueltankandcontainercapssecurely
•Replacefaultysilencers/mufers.
•Checkthatoperator'spresencecontrols,safety
switchesandshieldsareattachedandfunctioning
properly.Donotoperateunlesstheyarefunctioning
properly.
•Beforeusing,alwaysvisuallyinspecttoseethatthe
blades,bladebolts,andcuttingassemblyarenot
wornordamaged.
•Onmulti-bladedmachines,takecareasrotatingone
bladecancauseotherbladestorotate
Operation
•Neverrunanengineinanenclosedarea.
•Onlyoperateingoodlight,keepingawayfromholes
andhiddenhazards.
•Besurealldrivesareinneutralandparkingbrakeis
engagedbeforestartingengine.Onlystartengine
fromtheoperator'sposition.
•Slowdownanduseextracareonhillsides.Besure
totravelintherecommendeddirectiononhillsides.
Turfconditionscanaffectthemachine'sstability.
Usecautionwhileoperatingneardrop-offs.
•Slowdownandusecautionwhenmakingturnsand
whenchangingdirectionsonslopes.
•Whenusinganyattachments,neverdirectdischarge
ofmaterialtowardbystandersnorallowanyonenear
themachinewhileinoperation.
•Neverraisedeckwiththebladesrunning.
•Neveroperatewithguardsnotsecurelyinplace.Be
sureallinterlocksareattached,adjustedproperly,
andfunctioningproperty.
•Donotchangetheenginegovernorsettingor
overspeedtheengine.
•Stoponlevelground,lowerthecuttingunits,
disengagedrives,engageparkingbrake(ifprovided),
shutoffengineandremovethekeyfromtheignition
beforeleavingtheoperator'spositionforanyreason.
•Stoptheequipment,engageparkingbrake(if
provided),shutoffengine,removethekeyfromthe
ignitionandinspectthebladesafterstrikingobjects
3

orifanabnormalvibrationoccurs.Makenecessary
repairsbeforeresumingoperations.
•Keephandsandfeetawayfromthecuttingunits.
•Lookbehindanddownbeforebackinguptobesure
ofaclearpath.
•Whenmachineistobeparked,stored,orleft
unattended,lowerthecuttingunitsunlessapositive
mechanicallockisprovided.
•Nevercarrypassengersandkeeppetsandbystanders
away.
•Slowdownandusecautionwhenmakingturnsand
crossingroadsandsidewalks.Stopbladesifnot
mowing.
•Donotoperatethemowerundertheinuenceof
alcoholordrugs.
•Lightningcancausesevereinjuryordeath.If
lightningisseenorthunderisheardinthearea,do
notoperatethemachine;seekshelter.
•Usecarewhenloadingorunloadingthemachine
intoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
•Theoperatorshallturnonashingwarninglights,
ifprovided,whenevertravelingonapublicroad,
exceptwheresuchuseisprohibitedbylaw.
MaintenanceandStorage
•Disengagedrives,lowerthecuttingunits,move
tractionpedaltoNeutral,setparkingbrake,stop
engineandremovekey.Waitforallmovementto
stopbeforeadjusting,cleaningorrepairing.
•Cleangrassanddebrisfromcuttingunits,drives,
muferandenginetohelppreventres.Letengine
coolbeforestoringanddonotstorenearames.
Cleanupoilorfuelspillage.
•Letenginecoolbeforestoringanddonotstorenear
ame.
•Donotstorefuelnearamesordrainindoors.
•Parkmachineonlevelground.Neverallowuntrained
personneltoservicemachine.
•Usejackstandstosupportcomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Disconnectbatterybeforemakinganyrepairs.
Disconnectthenegativeterminalrstandthe
positivelast.Reconnectpositiverstandnegative
last.
•Usecarewhencheckingblades.Wrapthebladesor
weargloves,andusecautionwhenservicingthem.
Onlyreplaceblades.Neverstraightenorweldthem.
•Keephandsandfeetawayfrommovingparts.If
possible,donotmakeadjustmentswiththeengine
running.
•Chargebatteriesinanopenwellventilatedarea,
awayfromsparkandames.Unplugchargerbefore
connectingordisconnectingfrombattery.Wear
protectiveclothinganduseinsulatedtools.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
ToroMowerSafety
Thefollowinglistcontainssafetyinformationspecicto
Toroproductsorothersafetyinformationthatyoumust
knowthatisnotincludedintheCENstandard.
Thisproductiscapableofamputatinghandsand
feetandthrowingobjects.Alwaysfollowallsafety
instructionstoavoidseriousinjuryordeath.
Useofthisproductforpurposesotherthanitsintended
usecouldprovedangeroustouserandbystanders.
•Knowhowtostoptheenginequickly.
•Donotoperatethemachinewhilewearingtennis
shoesorsneakers.
•Wearingsafetyshoesandlongpantsisadvisableand
requiredbysomelocalordinancesandinsurance
regulations.
•Handlefuelcarefully.Wipeupanyspills.
•Checkthesafetyinterlockswitchesdailyforproper
operation.Ifaswitchshouldfail,replacetheswitch
beforeoperatingthemachine.
•Usingthemachinedemandsattention.Toprevent
lossofcontrol:
–Donotdriveclosetosandtraps,ditches,creeks,
embankments,orotherhazards.
–Avoidsuddenstopsandstarts.
–Whennearorcrossingroads,alwaysyieldthe
right-of-way.
–Lowerthecuttingunitwhengoingdownslopes.
•Thegrassdeectormustalwaysbeinstalledandin
thelowestpositiononthesidedischargecutting
unit.Neveroperatethemowerwithoutthedeector
orentiregrasscollector.
•Ifthecuttingunitdischargeareaeverplugs,shutthe
engineoff,engagetheparkingbrakeandremove
4

thekeyfromtheignitionbeforeremovingthe
obstruction.
•Cutgrassslopescarefully.Donotstart,stop,orturn
suddenly.
•Donottouchtheengineormuferwhiletheengine
isrunningorsoonafterithasstoppedbecausethese
areascouldbehotenoughtocauseburns.
MaintenanceandStorage
•Checktheblademountingboltsfrequentlytobesure
thattheyaretightenedtospecication.
•Makesurethatallhydrauliclineconnectorsare
tightandallhydraulichosesandlinesareingood
conditionbeforeapplyingpressuretothesystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthydraulicuidunderhigh
pressure.Usepaperorcardboard,notyourhands,
tosearchforleaks.Hydraulicuidescapingunder
pressurecanhavesufcientforcetopenetratethe
skinandcauseseriousinjury.
•Beforedisconnectingorperforminganyworkon
thehydraulicsystem,allpressureinthesystemmust
berelievedbystoppingtheengineandloweringthe
cuttingunitstotheground.
•Iftheenginemustberunningtoperforma
maintenanceadjustment,keephands,feet,clothing,
andanypartsofthebodyawayfromthecutting
units,attachments,andanymovingparts.Keep
everyoneaway.
•Donotoverspeedtheenginebychanginggovernor
settings.Toensuresafetyandaccuracy,havean
AuthorizedToroDistributorcheckthemaximum
enginespeedwithatachometer.
•Theenginemustbeshutoffbeforecheckingtheoil
oraddingoiltothecrankcase.
•Performonlythosemaintenanceinstructions
describedinthismanual.Ifmajorrepairsare
everneededorifassistanceisdesired,contactan
AuthorizedToroDistributor.
•Tomakesureofoptimumperformanceand
continuedsafetycerticationofthemachine,use
onlygenuineTororeplacementpartsandaccessories.
Replacementpartsandaccessoriesmadebyother
manufacturerscouldbedangerous,andsuchuse
couldvoidtheproductwarranty.
5

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.
120-6604
1.Thrownobjecthazard—keepbystandersawayfromthe
machine.
2.Cutting/dismembermenthazardofhand,mower
blade—stayawayfrommovingparts,keepallguardsand
shieldsinplace.
3.Cutting/dismembermenthazardoffoot,mowerblade—stay
awayfrommovingparts,keepallguardsandshieldsin
place.
93-7818
1.Warning—readtheOperator'sManualforinstructionson
torquingthebladebolt/nutto115-149N-m(85-110ft-lb).
117–4979
1.Entanglementhazard,belt—stayawayfrommovingparts,
keepallguardsandshieldsinplace.
108-1988
1.Beltrouting
100-5622
1.Heightofcutadjustment
108-1986
1.Heightofcut
6

Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescriptionQty.Use
1Completionkit(soldseparately)1Installacompletionkit.
2Castorwheelassembly2Installthecastorwheelassemblies.
Liftarm,right1
Liftarm,left1
Liftcylinderpin2
Cylindercarriagebolt2
3
Cylinderangenut2
Installtheliftarms.
Thrustwasher4
Clevispin4
Hairpincotter2
Height-of-cutcollar2
Clevispin2
4
Hairpincotter2
Installthecuttingunits
5Nopartsrequired–Connectthehydraulicdrive.
6Nopartsrequired–Greasethemachine.
MediaandAdditionalParts
DescriptionQty.Use
PartsCatalog1
Operator'sManual1
Certicateofcompliance1
DANGER
Iftheengineisstartedandthehydraulichosesare
notcorrectlyconnectedseriousinjurycouldresult.
Makesurethehydraulichosesarecorrectly
connectedorblankingplugshavebeenttedbefore
startingtheengineandengagingthecuttingunit.
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
1
InstallingaCompletionKit
Partsneededforthisprocedure:
1Completionkit(soldseparately)
Procedure
Installoneofthefollowing62inchor72inch
completionkitstothebasedeckusingtheinstruction
providedinthekit:
•Model30648,62inchRearDischarge
•Model30306,62inchGuardian
7

•Model30649,72inchRearDischarge
•Model30304,72inchGuardian
2
InstallingtheCastorWheel
Assemblies
Partsneededforthisprocedure:
2Castorwheelassembly
Procedure
Thethrustwashers,spacers,andtensioningcapshave
beeninstalledonthecastorwheelspindlesforshipping.
1.Removethetensioningcapsfromthespindle
shaftsandslideoffthespacersandthrustwashers
(Figure2).
Figure2
1.Tensioningcap4.Axlemountingholes
2.Spacers5.Castorwheel
3.Thrustwashers
2.Slidethespacersontothecastorspindletogetthe
desiredheight-of-cut;refertoFigure7&Figure8to
determinethecombinationsofspacersforthe
setting.Slideathrustwasherontothespindle,push
thecastorthroughthecastorarm.Installanother
thrustwasherandtheremainingspacersontothe
spindleandinstallthetensioningcaptosecurethe
assembly(Figure2).
3
InstallingtheLiftArms
Partsneededforthisprocedure:
1Liftarm,right
1Liftarm,left
2Liftcylinderpin
2Cylindercarriagebolt
2Cylinderangenut
Procedure
1.Releasethecabletiesthatareholdingupthetraction
unitliftcylindersandlowerittotheoor.
2.Openandraisethetractionunit’soperatorplatform.
3.Fromundertheraisedoperatorplatform,remove
thenutsandcarriageboltsthatsecuretheliftarm
pivotpinstothetractionunitandremovetheLH
andRHliftarmpivotpins(Figure3).
g017949
1
2
3
4
5
678
1
23
6
7
8
Figure3
1.Cylindercarriagebolt5.RHliftarm
2.Liftcylinderpin6.Liftarmcarriagebolt
3.Cylinderangenut7.Liftarmpivotpin
4.LHliftarm8.Liftarmnut
4.Mounttheliftarmstothetractionunitwiththe
bendspositionedoutwards,andsecureitusingthe
previouslyremovedliftarmpivotpins,carriagebolts,
andnuts(Figure3).
5.Raiseandsecuretheliftarms.
6.Turnonthetractionunit’signitionandmovethe
cuttingunittotheoatposition.
8

7.Securetheliftcylinderstotheliftarmsusingthe
suppliedliftcylinderpins,carriagebolts,andnuts
(Figure3).
8.Turnoffthetractionunit,andlowerandsecurethe
operatorplatform.
4
InstallingtheCuttingUniton
theLiftArms
Partsneededforthisprocedure:
4Thrustwasher
4Clevispin
2Hairpincotter
2Height-of-cutcollar
2Clevispin
2Hairpincotter
Procedure
1.Movethecuttingunitintopositioninfrontofthe
tractionunit.
2.Turnonthetractionunit’signitionandmovethe
cuttingunittotheoatposition.Pushaliftarm
downuntiltheholesintheliftarmlineupwiththe
holesinthecastorarmbracketandtheheightofcut
rodcanbeinsertedintotheliftarmpads(Figure4).
3.Securetheliftarmtothecastorarmwith2thrust
washers,aclevispinandahairpincotter.Position
thethrustwashersbetweentheliftarmandthecastor
armbracket(Figure4).Insertendofcotterpininto
theslotinthecastorarmtabtoretaincotterpin.
4.Repeattheprocedureontheoppositeliftarm.
5.Startthetractionunitandraisethecuttingunit.
6.Pushdownontherearofthecuttingunitandinsert
theheightofcutrodsthroughtheliftarmpads.
7.Installtheheightofcutcollarsontotheheightof
cutrodsandsecurewiththeclevispinsandhairpin
cotters(Figure4).
8.Lowerthedeckandswitchthetractionunitignition
switchtotheoffposition.
g017950
1
2
3
4
5
6
7
8
9
10
Figure4
1.Liftarm6.Clevispin
2.Castorarmbracket7.Hairpincotter
3.Height-of-cutrod8.Height-of-cutcollar
4.Liftarmpads9.Clevispin
5.Thrustwashers10.Hairpincotter
5
ConnectingtheHydraulic
Drive
NoPartsRequired
Procedure
Important:Foryoursafetythecuttervalveelectrical
connectorhasbeendisconnectedtodisablethe
operationofthecutterdrive.Reconnectthe
electricalconnectoronceallhoselineconnections
havebeenmadecorrectly.
9

WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Makesureallhydraulicuidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompin
holeleaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Seekimmediatemedicalattentionifuidis
injectedintotheskin.
Note:Somehydraulicuidlossmayoccur.
1.Turnoffthecutters,lowerthecuttingunits,stopthe
engine,engagetheparkingbreak,andremovethe
ignitionkey.
2.Cleantheareasaroundthehydraulicportsandthe
hydraulichoselineends(Figure5).
g017951
12
3
4
56
Figure5
1.Cap5/8,blanking4.Drainport(tocuttervalve
teeonCDport)
2.Cap3/8,blanking5.Returnport(tocuttervalve
M2port)
3.Cableties6.Pressureport(fromcutter
valveM1port)
3.Identifythe3hydraulichoselinesandports.Referto
Figure5foreachhose’sappropriateport.Perform
thefollowingprocessforeachconnection:
A.Removethehoselineendplug.
B.Removetheportcap.
C.Connectthehosetotheport.
D.Tighteneachhoseconnection.
4.Ensurethatallhosesarecorrectlyrouted,
connectionscleaned,andhoselinestightened.
Retainthehoseplugsandportcapsforfutureuse.
5.Usethecabletiesprovidedtosecurethehoselines.
6.Raisethetractionunit’soperatorplatform,and
connectthecuttervalveelectricalconnector
(Figure6).
g017952
1
Figure6
7.Checktheuidlevels,securethetractionunit’s
operatorplatform,andverifythatthecutterdeck
isworkingcorrectly.
6
GreasingtheMachine
NoPartsRequired
Procedure
Beforeoperatingthemachine,itmustbegreased
toensureproperlubricatingcharacteristics;referto
GreasingtheBearingsandBushings.Failuretoproperly
greasethemachinewillresultinprematurefailureof
criticalparts.
10

ProductOverview
Specications
Note:Specicationsanddesignaresubjecttochange
withoutnotice.
Widthof
Cut
62inches(1.575m)or72inches(1.829m)
Height
ofCut
Adjustablefrom1to5inches(25to127mm)in1/2
inch(13mm)increments
Net
Weight
Model30645–463lbs.(210kg)
Model30646–496lbs.(225kg)
Attachments/Accessories
AselectionofToroapprovedattachmentsand
accessoriesareavailableforusewiththemachineto
enhanceandexpanditscapabilities.Contactyour
AuthorizedServiceDealerorDistributororgoto
www.Toro.comforalistofallapprovedattachments
andaccessories.
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
CAUTION
Ifyouleavethekeyintheignitionswitch,someone
couldaccidentlystarttheengineandseriously
injureyouorotherbystanders.
Removethekeyfromtheignitionbeforeyoudo
anymaintenance.
AdjustingtheHeight-of-Cut
Theheight-of-cutisadjustablefrom1to5inches(25
to127mm)in1/2inch(13mm)increments.Toadjust
theheight-of-cut,positionthecastorwheelaxlesinthe
upperorlowerholesofthecastorforks,addorremove
anequalnumberofspacersfromthecastorforksand
securetheheightofcutcollartothedesiredholesin
theheightofcutrod.
1.Starttheengineandraisethecuttingunitoffthe
oorsothattheheight-of-cutcanbechanged.Stop
theengineandremovethekeyafterthecuttingunit
israised.
2.Positionthecastorwheelaxlesinthesameholesin
bothcastorforks.RefertoFigure7&Figure8to
determinethecorrectholesforthesetting.
Note:Whenoperatingin2–1/2inch(64mm)
heightofcutorhigher,theaxleboltmustbe
installedinthelowercastorforkholetoprevent
grassbuildupbetweenthewheelandthefork.
Whenoperatinginheightofcutslowerthan2–1/2
inches(64mm)andgrassbuildupisdetected,
reversethemachinesdirectiontopullanyclippings
awayfromthewheel/forkarea.
3.Removethetensioningcapfromthespindleshaft
(Figure7)andslidethespindleoutofthecastor
arm.Putthe2shims(1/8inch)ontothespindle
shaftastheywereoriginallyinstalled.Theseshims
arerequiredtoachievealevelacrosstheentirewidth
ofthecuttingunits.Slidetheappropriatenumber
of1/2inchspacersontothespindleshafttogetthe
desiredheight-of-cut;thenslidethewasheronto
theshaft.
RefertoFigure7&Figure8todeterminethe
combinationsofspacersforthesetting.
11

Figure7
1.Tensioningcap4.Axlemountingholes
2.Spacers5.CastorWheel
3.Shims
Figure8
4.Pushthecastorspindlethroughthecastorarm.
Installtheshims(astheywereoriginallyinstalled)
andtheremainingspacersontothespindleshaft.
Installthetensioningcaptosecuretheassembly.
5.Removethehairpinandclevispinsecuringthe
heightofcutcollartotheheightofcutrodonthe
rearofthecuttingunit(Figure9).
Figure9
1.Height-of-cutrod3.Clevispinandhairpin
cotter
2.Height-of-cutcollar
6.Aligntheheight-of-cutcollartothedesired
height-of-cutholesontheheightofcutrod
(Figure10).
Figure10
7.Securetheadjustmentwiththeclevispinandhair
pin.
Note:Positiontheheadoftheclevispintoward
thefrontofthedeck,ifpossible.
Note:Whenusing1inch(25mm),1-1/2inch(38
mm),oroccasionally2inch(51mm)height–of–cut,
movetheskidsandrollertothehighestholes.
AdjustingtheCuttingUnit
Pitch
Cuttingunitpitchisthedifferenceinheight-of-cut
fromthefrontofthebladeplanetothebackofthe
bladeplane.Tororecommendsabladepitchof1/2
12

inch(13mm).Thatisthebackofthebladeplaneis1/2
inch(13mm)higherthanthefront.
1.Positionthemachineonalevelsurfaceontheshop
oor.
2.Setthecuttingunittothedesiredheight-of-cut.
3.Rotate1bladesothatitpointsstraightforward.
4.Usingashortruler,measurefromtheoortothe
fronttipoftheblade.Rotatethebladetiptotherear
andmeasurefromtheoortothetipoftheblade.
5.Subtractthefrontdimensionfromtherear
dimensiontocalculatethebladepitch.
6.Loosenthejamnutsonthebottomofthe
height-of-cutrods(Figure11).
Figure11
1.Height-of-cut2.Jamnut
7.Rotatetheheight-of-cutrodstoraiseorlowerthe
rearofthecuttingunitandattainthecorrectcutting
unitpitch.
8.Tightenthejamnuts.
AdjustingtheSkids
Theskidsshouldbemountedinthelowerposition
whenoperatinginheightofcutsgreaterthan2-1/2
inches(64mm)andinthehigherpositionwhen
operatinginheightofcutslowerthan2-1/2inches(64
mm).
Adjusttheskidsbyremovingtheangeboltandnuts,
positioningthemasdesired,andinstallingthefasteners
(Figure12).
Figure12
1.Skid
AdjustingtheRollers
Note:Ifthecuttingunitistobeusedinthe1or1-1/2
inch(25or38mm)height-of-cutsetting,thecutting
unitrollersmustberepositionedinthetopbracket
holes.
1.Removethescrewandnutsecuringtherollershaft
tothedeckbracket(Figure13).
Figure13
1.Roller2.Rollershaft
2.Slidetheshaftoutofthelowerbracketholes,align
therollerwiththetopholes,andinstalltheshaft.
3.Installthescrewandnuttosecuretheassemblies.
CorrectingCuttingUnit
Mismatch
Duetodifferencesingrassconditionsandthe
counterbalancesettingofthetractionunit,itisadvised
thatgrassbecutandappearancecheckedbeforeformal
cuttingisstarted.
1.Setthecuttingunittothedesiredheightofcut;
refertoAdjustingtheHeightofCut.
13

2.Checkandadjustfrontandreartractortirepressure
to10psi(0.7BAR).
3.Checkandadjustallcastortirepressuresto50psi
(3.4BAR).
4.Checkforbentblades;refertoCheckingforaBent
Blade.
5.Cutgrassinatestareatodetermineifallcutting
unitsarecuttingatthesameheight.
6.Ifcuttingunitadjustmentsarestillneeded,ndaat
surfaceusinga6foot(2m)orlongerstraightedge.
7.Toeasemeasuringbladeplane,raisetheheightof
cuttothehighestposition;refertoAdjustingthe
HeightofCut.
8.Lowercuttingunitontotheatsurface.Remove
thecoversfromthetopofthecuttingunits.
9.Rotatethebladeoneachspindleuntiltheendsface
forwardandbackward.
10.Measurefromtheoortothefronttipofthe
cuttingedge.
11.Adjust1/8inch(3mm)shimsoncastorfork(s)to
matchheightofcuttodecal(Figure14);referto
AdjustingtheCuttingUnitPitch.
Figure14
1.Tensioningcap4.Axlemountingholes
2.Spacers5.Castorwheel
3.Shims
OperatingTips
MowWhenGrassisDry
Moweitherinthelatemorningtoavoidthedew,which
causesgrassclumping,orinlateafternoontoavoidthe
damagethatcanbecausedbydirectsunlightonthe
sensitive,freshlymowedgrass.
SelecttheProperHeight-of-CutSetting
toSuitConditions
Removeapproximately1inch(25mm)ornomorethan
1/3ofthegrassbladewhencutting.Inexceptionally
lushanddensegrass,youmayhavetoraisethe
height-of-cuttothenextsetting.
MowatProperIntervals
Undermostnormalconditionsyouwillneedtomow
approximatelyevery4–5days.Butremember,grass
growsatdifferentratesatdifferenttimes.Thismeans
thatinordertomaintainthesameheight-of-cut,which
isagoodpractice,youwillneedtocutmorefrequently
inearlyspring;asthegrassgrowthrateslowsinmid
summer,cutonlyevery8–10days.Ifyouareunableto
mowforanextendedperiodduetoweatherconditions
orotherreasons,mowrstwiththeheight-of-cutata
highlevel;thenmowagain2–3dayslaterwithalower
heightsetting.
AlwaysMowwithSharpBlades
Asharpbladecutscleanlyandwithouttearingor
shreddingthegrassbladeslikeadullblade.Tearingand
shreddingcausesthegrasstoturnbrownattheedges
whichimpairsgrowthandincreasessusceptibilityto
diseases.
AfterOperating
Toensureoptimumperformance,cleantheunderside
ofthemowerhousingaftereachuse.Ifresidueis
allowedtobuildupinthemowerhousing,cutting
performancewilldecrease.
CuttingUnitPitch
Werecommendabladepitchof1/2inch(13mm).A
pitchlargerthan1/2inch(13mm)willresultinless
powerrequired,largerclippings,andapoorerquality
ofcut.Apitchlessthan1/2inch(13mm)willresult
inmorepowerrequired,smallerclippingsandabetter
qualityofcut.
14

Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
IntervalMaintenanceProcedure
Aftertherst2hours•Tightenthecastorwheelnuts
Aftertherst10hours•Tightenthecastorwheelnuts
•Torquethebladebolts
Beforeeachuseordaily•Checktheblades
Every50hours
•Lubricatethegreasettings1
•Checkthegearboxoillevel
•Tightenthecastorwheelnuts
•Torquethebladebolts
•Checkthebladedrivebeltadjustment
•Cleanunderthecuttingunitbeltcovers
Every400hours•Changethegearboxoil
1Immediatelyaftereverywashing,regardlessoftheintervallisted
CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentallystarttheengineandseriously
injureyouorotherbystanders.
Removethekeyfromtheignitionswitchbeforeyoudoanymaintenance.
Important:Thefastenersonthecoversofthismachinearedesignedtoremainonthecoverafterremoval.
Lubrication
Themachinehasgreasettingsthatmustbelubricated
regularlywithNo.2GeneralPurposeLithiumBase
Grease.Ifthemachineisoperatedundernormal
conditions,lubricateallbearingsandbushingsafter
every50hoursofoperationorimmediatelyafterevery
washing.
Lubricatethefollowingareas:
•Castorforkshaftbushings(2)(Figure15)
Figure15
•Spindleshaftbearings(3)(locatedunderthepulley)
(Figure16).
15

g017953
Figure16
•Idlerarmshaftbearings(Figure16).
•Liftarmpivots,front(2)(Figure17).
g017954
Figure17
•Liftarmpivots,rear(2)(Figure18).
g017955
Figure18
TiltingtheCuttingUnitfor
Maintenance
Topreparetheunitformaintenance:
1.Positionthemachineonalevelsurface,raisethe
cuttingunit,turnofftheengine,engagetheparking
break,andapplytheliftarmlatches.
Note:Ifthecuttingunitisa72inch(183cm)
modelwithareardischargekittted,therearLH
footguardshouldberemovedpriortocarryingout
thisoperation.
2.Removethehairpinandclevispinsecuringthe
height-of-cutcollartotheheight-of-cutrodonthe
rearofthecuttingunit(Figure19).Removethe
height-of-cutcollars.
g017956
1
23
4
5
6
8
7
9
10
Figure19
1.Liftarmlatches6.Liftarmpads
2.Hairpincotter7.Clevispin
3.Clevispin8.Hairpincotter
4.Height-of-cutcollar9.RHliftarm
5.Height-of-cutrod10.RHcasterarm
3.Pivotthedeckuntiltheclevispincanbeinserted
throughtheholeintheRHcastorarmandsecure
ittotheRHliftarm.Securetheclevispinwitha
haripincotter(Figure19).
Tolowerthedeckfromthetiltedposition:
1.Removethehairpincotter.Liftthedeckuntilthe
clevispincanbeeasilyremovedfromtheholeinthe
RHcastorarm(Figure19).
2.Lowerandtiltthedeckbackensuringthe
height-of-cutrodsdonotgetcaughtonanypartof
thetractionunit.
3.Pushdownontherear,right-handsideofthecutting
unitandinserttheheight-of-cutrodsthroughthe
16

liftarmpads.RepeatfortheLHside,makingsure
theRHsideheight-of-cutroddoesnotfallout
(Figure19).
4.Installtheheight-of-cutcollarsontotheheight-of-cut
rodsandsecurethemwiththeclevispinsandhair
pincotters(Figure19).Makesuretheheadofthe
clevispinistowardthefrontofthedeck.
SeparatingtheCuttingUnit
fromtheTractionUnit
1.Positionthemachineonlevelsurface,raisethe
cuttingunit,movetheliftlevertotheFloatposition,
shuttheengineoff,andengagetheparkingbrake.
2.Removethehairpinandclevispinsecuringthe
height-of-cutrodtotherearofthecuttingunit
(Figure20).Removetheheight-of-cutcollars.
g017957
1
2
3
Figure20
1.Height-of-cutrod3.Hairpincotterandclevis
pin
2.Height-of-cutcollar
3.Turnontheignitionswitchandlowerthecutting
unittotheoor.Leavetheliftswitchintheoat
position.
Note:Makesuretheengineisnotrunning.
4.Removethehairpincottersandclevispinssecuring
theliftarmstothecastorarmbrackets(Figure21).
g017958
1
23
4
Figure21
1.Liftarm3.Hairpincotter
2.Clevispin4.Castorarmbracket
5.Removethehydraulicmotorcovers,removethe
bolts,thenremovethehydraulicmotorfromthe
cuttingunit.(Figure22).
g017959
1
2
3
Figure22
6.Raisetheliftarms,latchthemintheraisedposition,
androllthecuttingunitawayfromthetractionunit.
Turnofftheignitionswitch.
DANGER
Donotengagethecuttingunitdrivewhilethe
hydraulicmotorisnotconnectedtothecutting
unit.
MountingtheCuttingUnitto
theTractionUnit
1.Positionthemachineonalevelsurfaceandshutthe
engineoff.Leavetheignitionswitchon.
17

2.Movethecuttingunitintopositioninfrontofthe
tractionunit.
3.Installthehydraulicmotorontothecuttingunit,
secureitusingthetwobolts,theninstallthetwo
hydraulicmotorcovers(Figure22).
4.MovetheliftswitchtotheFloatposition.Pusha
liftarmdownuntiltheholesintheliftarmlineup
withtheholesinthecastorarmbracketandthe
heightofcutrodcanbeinsertedintotheliftarm
pads(Figure23).
g017960
1
2
3
4
5
6
7
8
9
10
Figure23
1.Liftarm6.Clevispin
2.Castorarmbracket7.Hairpincotter
3.Height-of-cutrod8.Height-of-cutcollar
4.Liftarmpads9.Clevispin
5.Thrustwashers10.Hairpincotter
5.Securetheliftarmtothecastorarmwith(2)thrust
washers,aclevispinandahairpincotter.Position
thethrustwashersbetweentheliftarmandthecastor
armbracket(Figure23).Insertendofcotterpininto
theslotinthecastorarmtabtoretaincotterpin.
6.Repeattheprocedureontheoppositeliftarm.
7.Startthetractionunitandraisethecuttingunit.
8.WorkingontheRHside,pushdownontherear
ofthecuttingunitandinserttheheightofcutrods
throughtheliftarmpads.RepeatontheLHside
takingcarenottoallowtheRHsideheight-of-cut
rodtofallout.
9.Installtheheightofcutcollarsontotheheightof
cutrodsandsecurewiththeclevispinsandhair
pincotters(Figure23).Headofclevispintobe
positionedtowardthefrontofthedeck.
ServicingtheBushingsinthe
CastorArms
Thecastorarmshavebushingspressedintothetopand
bottomofthetubeandaftermanyhoursofoperation,
thebushingswillwear.Tocheckthebushings,movethe
castorforkbackandforthandfromsidetoside.Ifthe
castorspindleislooseinsidethebushings,thebushings
arewornandmustbereplaced.
1.Raisethecuttingunitsothatthewheelsareoffof
theoor.Latchthecuttingunitsothatitcannot
accidentallyfall.
2.Removethetensioningcap,spacer(s),andthrust
washerfromthetopofthecastorspindle.
3.Pullthecastorspindleoutofthemountingtube.
Allowthethrustwasherandspacer(s)toremainon
thebottomofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthetube
(Figure24).Alsodrivetheotherbushingoutofthe
tube.Cleantheinsideofthetubestoremovedirt.
Figure24
1.Castorarmtube2.Bushings
5.Applygreasetotheinsideandoutsideofthenew
bushings.Usingahammerandatplate,drivethe
bushingsintothemountingtube.
6.Inspectthecastorspindleforwearandreplaceitif
damaged.
7.Pushthecastorspindlethroughthebushingsand
mountingtube.Slidethethrustwasherandspacer(s)
ontothespindle.Installthetensioningcaponthe
castorspindletoretainallpartsinplace.
ServicingtheCastorWheels
andBearings
1.Removethelocknutfromtheboltholdingthecastor
wheelassemblybetweenthecastorfork(Figure25).
18

Graspthecastorwheelandslidetheboltoutofthe
forkorpivotarm.
Figure25
1.Castorwheel3.Bearing(2)
2.Castorfork4.Bearingspacer
2.Removethebearingfromthewheelhubandallow
thebearingspacertofallout(Figure25).Remove
thebearingfromtheoppositesideofthewheelhub.
3.Checkthebearings,spacer,andinsideofthewheel
hubforwear.Replaceanydamagedparts.
4.Toassemblethecastorwheel,pushthebearinginto
thewheelhub.Wheninstallingthebearings,press
ontheouterraceofthebearing.
5.Slidethebearingspacerintothewheelhub.Pushthe
otherbearingintotheopenendofthewheelhubto
captivatethebearingspacerinsidethewheelhub.
6.Installthecastorwheelassemblybetweenthecastor
forkandsecureitinplacewiththeboltandlocknut.
CheckingforaBentBlade
1.Positionthemachineonalevelsurface.Raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,putthecuttingunitdrive
switchintheOffposition,stoptheengine,and
removetheignitionkey.Latchthecuttingunitto
preventitfromaccidentallyfalling.
2.Rotatethebladeuntiltheendsfaceforwardand
backward.Measurefromtheinsideofthecutting
unittothecuttingedgeatthefrontoftheblade
(Figure26),andrememberthisdimension.
G010549
Figure26
3.Rotatetheoppositeendofthebladeforward.
Measurebetweenthecuttingunitandcuttingedge
ofthebladeatthesamepositionasinstep2The
differencebetweenthedimensionsobtainedin
steps2and3mustnotexceed1/8inch(3mm).If
thedimensionexceeds1/8inch(3mm),replace
thebladebecauseitisbent;refertoRemovingthe
CuttingBlade.
RemovingandInstallingthe
Blade(s)
Theblademustbereplacedifasolidobjectishit,the
bladeisout-of-balance,worn,orbent.Alwaysuse
genuineTororeplacementbladestoensuresafetyand
optimumperformance.Neverusebladesmadebyother
manufacturersbecausetheycouldbedangerous.
1.Raisethecuttingunittothehighestposition,engage
theparkingbrake,stoptheengine,andremovethe
ignitionkey.Latchthecuttingunittopreventitfrom
accidentallyfalling.
2.Grasptheendofthebladeusingaragorthickly
paddedglove.Removethebladebolt,anti-scalpcup,
andbladefromthespindleshaft(Figure27).
G010555
1
2
Figure27
1.Bladebolt2.Anti-scalpcup
3.Installtheblade-sailfacingtowardthecutting
unit-withtheanti-scalpcupandbladebolt.Tighten
thebladeboltto85-110ft-lb(115-149N-m).
Important:Thecurvedpartoftheblademust
bepointingtowardtheinsideofthecuttingunit
toensurepropercutting.
19

InspectingandSharpeningthe
Blade(s)
DANGER
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator's
orbystander'sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Donottrytostraightenabladethatisbent.
•Neverweldabrokenorcrackedblade.
•Replaceawornordamagedbladewitha
newTorobladetoensurecontinuedsafety
certicationoftheproduct.
Twoareasmustbeconsideredwhencheckingand
servicingthecuttingblade:thesailandthecuttingedge.
Bothcuttingedgesandthesail,whichistheturnedup
portionoppositethecuttingedge,contributetoagood
quality-of-cut.Thesailisimportantbecauseitpullsgrass
upstraight,therebyproducinganevencut.However,
thesailwillgraduallyweardownduringoperation,and
thisconditionisnormal.Asthesailwearsdown,the
quality-of-cutwilldegradesomewhat,althoughthe
cuttingedgesaresharp.Thecuttingedgeoftheblade
mustbesharpsothatthegrassiscutratherthantorn.
Adullcuttingedgeisevidentwhenthetipsofthegrass
appearbrownandshredded.Sharpenthecuttingedges
tocorrectthiscondition.
1.Positionthemachineonalevelsurface.Raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,putthecuttingunitdrive
switchintheOffposition,stoptheengine,remove
theignitionkey,andapplytheliftarmlatches.
2.Examinethecuttingendsofthebladecarefully,
especiallywheretheatandcurvedpartsofthe
blademeet(Figure28).Sincesandandabrasive
materialcanwearawaythemetalthatconnects
theatandcurvedpartsoftheblade,checkthe
bladebeforeusingthemachine.Ifwearisnoticed
(Figure28),replacetheblade;refertoRemovingthe
CuttingBlade.
Figure28
1.Cuttingedge3.Wear/slotforming
2.Curvedarea/sail4.Crack
WARNING
Ifthebladeisallowedtowear,aslotwillform
betweenthesailandatpartoftheblade
(Figure28).Eventually,apieceoftheblademay
breakoffandbethrownfromunderthehousing,
possiblyresultinginseriousinjurytoyourself
orbystanders.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedbladewitha
newTorobladetoensurecontinuedsafety
certicationoftheproduct.
3.Examinethecuttingedgesofallblades.Sharpenthe
cuttingedgesiftheyaredullornicked.Sharpenonly
thetopsideofthecuttingedgeandmaintainthe
originalcuttingangletoensuresharpness(Figure29).
Thebladewillremainbalancedifthesameamount
ofmetalisremovedfrombothcuttingedges.
Figure29
1.Sharpenatoriginalangle
Note:Removethebladesandsharpenthemona
grinder;refertoRemovingtheCuttingBlades.After
sharpeningthecuttingedges,installthebladewith
theanti-scalpcupandbladebolt.Thebladesails
mustbeontopoftheblade.Tightenthebladebolt
to85-110ft-lb(115-149N-m).
20