Toro 30366 User manual

FormNo.3363-107RevC
60inand72inSideDischarge
Mower
Groundsmaster®3320/3280-DTractionUnits
ModelNo.30366—SerialNo.310000001andUp
ModelNo.30368—SerialNo.310000001andUp
ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

ThisproductcomplieswithallrelevantEuropean
directives,fordetailspleaseseetheseparateproduct
specicDeclarationofConformity(DOC)sheet.
Introduction
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ndinga
dealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Themodel
andserialnumbersarestampedintoaplatethatis
mountedonthemowerhousing.Writethenumbersin
thespaceprovided.
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafetyalertsymbol
(Figure1),whichsignalsahazardthatmaycauseserious
injuryordeathifyoudonotfollowtherecommended
precautions.
Figure1
1.Safetyalertsymbol
Thismanualuses2otherwordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Contents
Introduction.................................................................2
Safety...........................................................................3
SafeOperatingPractices.......................................3
ToroMowerSafety...............................................4
SafetyandInstructionalDecals.............................6
Setup............................................................................8
1MountingtheGrassDeector(Model30368
only).................................................................9
2InstallingtheLiftArmstotheTraction
Unit..................................................................9
3ConnectingtheLiftArmstotheCutting
Unit................................................................10
4ReplacingtheTractionUnitPTOShaft
(CuttingUnitModel30366only).....................10
5ConnectingthePTOShafttotheCutting
UnitGearBox................................................11
6GreasingtheMachine......................................11
ProductOverview......................................................12
Specications.....................................................12
Attachments/Accessories...................................12
Operation...................................................................12
CheckingtheLubricantintheGear
Box................................................................12
AdjustingtheHeight-of-Cut...............................13
AdjustingtheRollers..........................................14
AdjustingtheSkids.............................................14
AdjustingtheAnti-ScalpRollers.........................15
AdjustingtheFlowBafe...................................15
PositioningtheFlowBafe.................................15
AdjustingtheCuttingUnitPitch.........................16
CorrectingCuttingUnitMismatch......................16
UsingtheSideDischarge....................................17
OperatingTips...................................................17
Maintenance...............................................................18
RecommendedMaintenanceSchedule(s)................18
Lubrication.........................................................19
PreMaintenance.................................................20
SeparatingtheCuttingUnitfromtheTraction
Unit................................................................20
MountingtheCuttingUnittotheTraction
Unit................................................................21
ServicingtheBushingsintheCastor
Arms..............................................................21
ServicingtheCastorWheelsandBearings............22
CheckingforaBentBlade...................................22
RemovingandInstallingtheBlade(s)...................22
InspectingandSharpeningtheBlade(s)...............23
CheckingandCorrectingMismatchof
Blades............................................................24
ReplacingtheDriveBelt.....................................24
ReplacingtheGrassDeector.............................25
©2011—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
Contactusatwww.Toro.com.
PrintedintheUSA.
AllRightsReserved

Safety
ThismachinemeetsorexceedsCENstandard
EN836:1997,ISOstandard5395:1990,andANSI
B71.4-2004specicationsineffectatthetimeof
production.
Improperuseormaintenancebytheoperatoror
ownercanresultininjury.Toreducethepotential
forinjury,complywiththesesafetyinstructions
andalwayspayattentiontothesafetyalertsymbol,
whichmeansCAUTION,WARNING,orDANGER-
"personalsafetyinstruction."Failuretocomplywiththe
instructionmayresultinpersonalinjuryordeath.
SafeOperatingPractices
ThefollowinginstructionsarefromtheCENstandard
EN836:1997,ISOstandard5395:1990,andANSI
B71.4-2004.
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.
Donotsmokewhilerefueling.
–Neverrefuelordrainthemachineindoors.
•Checkthatoperator’spresencecontrols,safety
switchesandshieldsareattachedandfunctioning
properly.Donotoperateunlesstheyarefunctioning
properly.
Operation
•Neverrunanengineinanenclosedarea.
•Onlyoperateingoodlight,keepingawayfromholes
andhiddenhazards.
•Besurealldrivesareinneutralandparkingbrakeis
engagedbeforestartingengine.Onlystartengine
fromtheoperator’sposition.Alwaysusetheseat
beltswhentheROPSisintheraisedposition.Do
notusetheseatbeltswhentheROPSisinthe
loweredposition.
•Slowdownanduseextracareonhillsides.Besure
totravelintherecommendeddirectiononhillsides.
Turfconditionscanaffectthemachine’sstability.
Usecautionwhileoperatingneardrop-offs.
•Slowdownandusecautionwhenmakingturnsand
whenchangingdirectionsonslopes.
•Neverraisedeckwiththebladesrunning.
•Neveroperatewithguardsnotsecurelyinplace.Be
sureallinterlocksareattached,adjustedproperly,
andfunctioningproperty.
•Donotchangetheenginegovernorsettingor
overspeedtheengine.
•Stoponlevelground,lowerthecuttingunits,
disengagedrives,engageparkingbrake(ifprovided),
shutoffenginebeforeleavingtheoperator’sposition
foranyreason.
•Stopequipmentandinspectthebladesafterstriking
objectsorifanabnormalvibrationoccurs.Make
necessaryrepairsbeforeresumingoperations.
•Keephandsandfeetawayfromthecuttingunits.
•Lookbehindanddownbeforebackinguptobesure
ofaclearpath.
•Nevercarrypassengersandkeeppetsandbystanders
away.
•Slowdownandusecautionwhenmakingturnsand
crossingroadsandsidewalks.Stopbladesifnot
mowing.
3

•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er.Letenginecoolbeforestoringanddonot
storenearames,andenginetohelppreventres.
Cleanupoilorfuelspillage.
•Letenginecoolbeforestoringanddonotstorenear
ame.
•Shutofffuelwhilestoringortransporting.Donot
storefuelnear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c
toToroproductsorothersafetyinformationthatyou
mustknowthatisnotincludedintheCEN,ISO,or
ANSIstandard.
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
engineoffbeforeremovingtheobstruction.
•Cutgrassslopescarefully.Donotstart,stop,orturn
suddenly.
•Donottouchtheengineormuferwhiletheengine
isrunningorsoonafterithasstoppedbecausethese
areascouldbehotenoughtocauseburns.
MaintenanceandStorage
•Checktheblademountingboltsfrequentlytobe
surethattheyaretightenedtospecication.
•Makesurethatallhydrauliclineconnectorsare
tightandallhydraulichosesandlinesareingood
conditionbeforeapplyingpressuretothesystem.
4

•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.
•Makesurethatthemowerfueltankisemptyifthe
machineistobestoredinexcessof30days.Do
notstorethemowernearanyopenameorwhere
gasolinefumesmaybeignitedbyaspark.
•Performonlythosemaintenanceinstructions
describedinthismanual.Ifmajorrepairsare
everneededorifassistanceisdesired,contactan
AuthorizedToroDistributor.
•Tomakesureofoptimumperformanceand
continuedsafetycerticationofthemachine,use
onlygenuineTororeplacementpartsandaccessories.
Replacementpartsandaccessoriesmadebyother
manufacturerscouldbedangerous,andsuchuse
couldvoidtheproductwarranty.
5

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.
106-6753
1.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
2.Cutting/dismembermenthazardofhandorfoot,mower
blade—stayawayfrommovingparts.
93-6697
1.ReadtheOperator’s
Manual.
2.AddSAE80w-90(API
GL-5)oilevery50hours.
93-7818
1.Warning—readtheOperator’sManualforinstructionson
torquingthebladebolt/nutto115-149N-m(85-110ft-lb).
107-2916
1.Removetheignitionkeyandreadthe
Operator’sManualbeforeservicingor
performingmaintenance.
2.Thrownobjecthazard—donotoperate
themowerwiththedeectorupor
removed,keepthedeectorinplace;
keepbystandersasafedistancefrom
themachine.
3.Cutting/dismembermenthazardof
handorfoot,mowerblade—stayaway
frommovingparts.
100-6578
1.Entanglementhazard,belt—donotoperatethemachine
withtheshieldsorguardsremoved;alwayskeepthe
shieldsandguardsinplace;stayawayfrommovingparts.
107-2908
1.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
2.Thrownobjecthazard—donotoperatethemowerwiththe
deectoruporremoved,keepthedeectorinplace.
3.Cutting/dismembermenthazardofhandorfoot,mower
blade—stayawayfrommovingparts.
6

108-1988
1.Beltrouting
100-5622
1.Heightofcutadjustment
108-1986
1.Heightofcut
115-4505
(Model30368only)
1.Warning—readtheOperator’sManual.
2.Tippinghazard—lowerthecuttingunitwhendrivingdown
slopes.For2wheeldriveunits,adda16kg(35lb)rear
weighttoGM3280Dunitsanda32kg(70lb)rearweightto
GM3320units.For4wheeldrive3280Dunits,adda16
kg(35lb)rearweight.
107-1622
7

Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescriptionQty.Use
Dischargedeectorassembly(rubber)1
Screw,5/16x7-1/2inch1
Spacertube1
Torsionspring1
1
Flangenut,5/161
Mountthegrassdeector(Model30368
only)
Pivotpinassembly2
2Cotterpin2Installtheliftarmstothetractionunit
Liftarm,right1
Liftarm,left1
Thrustwasher-nylon4
Clevispin4
Hairpin2
Heightofcutcollar2
Clevispin2
Hairpin2
Capscrew,1/2x3/4inch2
3
Washer2
Connecttheliftarmstothecuttingunit
4Nopartsrequired–ReplacetheTractionUnitPTOShaft
(CuttingUnitModel30366only)
5Nopartsrequired–ConnectthePTOshafttothecutting
unitgearbox.
6Nopartsrequired–Greasethemachine.
MediaandAdditionalParts
DescriptionQty.Use
Operator’sManual1Reviewthematerialandsaveinanappropriateplace
PartsCatalog1Usetoreferencepartnumbers
DeclarationofConformity1
WARNING
Ifyouleavethekeyintheignitionswitch,someone
couldaccidentallystarttheengineandseriously
injureyouorotherbystanders.
Removethekeyfromtheignitionswitchbeforeyou
doanymaintenance.
DANGER
IftheengineisstartedandthePTOshaftisallowed
torotate,seriousinjurycouldresult.
DonotstarttheengineandengagethePTOswitch
whenthePTOshaftisnotconnectedtothegear
boxonthecuttingunit.
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
8

Important:Ifthe72inchSideDischargeCutting
Unit,model30368,isbeingmountedtoamodel
30307,30308,30309,30343,30344or30345traction
unitwithaserialnumberpriorto311000301,the
CuttingUnitAlignmentKit,partnumber120–6599
mustbeinstalledtothecuttingunitpriortobeing
mountedtotractionunit.
1
MountingtheGrassDeector
(Model30368only)
Partsneededforthisprocedure:
1Dischargedeectorassembly(rubber)
1Screw,5/16x7-1/2inch
1Spacertube
1Torsionspring
1Flangenut,5/16
Procedure
WARNING
Anuncovereddischargeopeningcouldallowthe
lawnmowertothrowobjectsintheoperator’sor
bystander’sdirectionandresultinseriousinjury.
Also,contactwiththebladecouldoccur.
•Neveroperatethelawnmowerunlessyouinstall
acoverplate,amulchplate,oragrasschuteand
catcher.
•Makesurethegrassdeectorisinthedown
position.
1.Placethespacerandspringbetweenthegrass
deectorbrackets(Figure2).PlacethelefthandJ
hookendofspringbehinddeckedge.
Note:MakesurethelefthandJhookendofthe
springisinstalledbehindthedeckedgebefore
installingtheboltasshowninFigure2.
2.Installtheboltandnut.PlacetherighthandJ
hookendofthespringaroundthegrassdeector
(Figure2).
Important:Thegrassdeectormustbeableto
lowerdownintoposition.Liftthedeectorup
totestthatitlowersintothefulldownposition.
Figure2
1.Bolt5.Springinstalled
2.Spacer6.GrassDeector
3.Locknut7.Lefthandhookendof
spring,placebehinddeck
edgebeforeinstallingbolt
4.Spring8.Righthandhookendof
spring
2
InstallingtheLiftArmstothe
TractionUnit
Partsneededforthisprocedure:
2Pivotpinassembly
2Cotterpin
Procedure
1.Ononesideofthetractionunit,loosen(donot
remove)thewheelnutssecuringthewheelandtire
assemblytothefrontwheelstuds.
2.Jackupthemachineuntilthefrontwheelisoffof
theoor.Usejackstandsorblockthemachineto
preventitfromaccidentallyfalling.
3.Removethewheelnutsandslidethewheelandtire
assemblyoffofthestuds.
4.Mountaliftarmtothepivotbracketwithapivotpin
andacotterpin(Figure3).Mounttheliftarmwith
thebendpositionedoutward.
5.Hookthebrakereturnspringtothetabonthelift
arm(Figure3).
9

Figure3
1.Pivotpin4.Brakereturnspring
2.Liftarm5.Tab
3.Pivotbracket
6.Installthewheelandtireassembly.Torquethewheel
nutsto75–80ft-lb(102–108N-m).
7.Repeattheprocedureontheoppositesideofthe
machine.
3
ConnectingtheLiftArmsto
theCuttingUnit
Partsneededforthisprocedure:
1Liftarm,right
1Liftarm,left
4Thrustwasher-nylon
4Clevispin
2Hairpin
2Heightofcutcollar
2Clevispin
2Hairpin
2Capscrew,1/2x3/4inch
2Washer
Procedure
1.Movethecuttingunitintopositioninfrontofthe
tractionunit.
2.MovetheliftlevertotheFloatposition.Pushalift
armdownuntiltheholesintheliftarmlineupwith
theholesinthecastorarmbracketandtheheight
ofcutrodcanbeinsertedintotheliftarmpads
(Figure4).
Figure4
1.Liftarm7.Hairpincotter
2.Castorarmbracket8.Height-of-cutcollar
3.Height-of-cutrod9.Clevispin
4.Liftarmpads10.Hairpincotter
5.Thrustwashers11.Bolt
6.Clevispin
3.Securetheliftarmtothecastorarmwith(2)thrust
washers,aclevispinandahairpincotter.Position
thethrustwashersbetweentheliftarmandthe
castorarmbracket(Figure4).Insertendofcotter
pinintotheslotinthecastorarmtabtoretaincotter
pin.
4.Repeattheprocedureontheoppositeliftarm.
5.Startthetractionunitandraisethecuttingunit.
6.Pushdownontherearofthecuttingunitandinsert
theheightofcutrodsthroughtheliftarmpads.
7.Installtheheightofcutcollarsontotheheightof
cutrodsandsecurewiththeclevispinsandhair
pincotters(Figure4).Headofclevispintobe
positionedtowardthefrontofthedeck.
8.Installa1/2x3/4inchboltandawashertotopof
eachheightofcutrod(Figure4).
10

4
ReplacingtheTractionUnit
PTOShaft(CuttingUnitModel
30366only)
NoPartsRequired
Procedure
CuttingunitModel30366isequippedwithashorter
PTOshaftwhichmustbeinstalledonthetractionunit
asfollows:
1.Removethecotterpin,boltsandlocknutssecuring
thefemaleendofthePTOshafttothetractionunit
shaft.
2.RemovethePTOshaftfromthetractionunitshaft
andretainitforfutureapplications.
3.InstallthefemaleendofthePTOshaft,supplied
withthecuttingunit,tothetractionunitshaftwith
thecotterpin.
4.Tightentheboltsandlocknuts.
5
ConnectingthePTOShaftto
theCuttingUnitGearBox
NoPartsRequired
Procedure
1.SlidethemalePTOshaftintothefemalePTOshaft.
Alignthemountingholesinthegearcaseinput
shaftwiththeholesinthePTOshaftandslidethem
together.
Figure5
1.PTOshaft3.Gearcase
2.Boltsandlocknuts4.Rollpin
2.Securethemwitharollpin.
3.Tightentheboltsandnuts.
6
GreasingtheMachine
NoPartsRequired
Procedure
Beforeoperatingthemachine,itmustbegreased
toensureproperlubricatingcharacteristics;referto
GreasingtheBearingsandBushings.Failuretoproperly
greasethemachinewillresultinprematurefailureof
criticalparts.
11

ProductOverview
Specications
Note:Specicationsanddesignaresubjecttochange
withoutnotice.
Widthof
Cut
60inches(1.52m)or72inches(1.829m)
Height
ofCut
Adjustablefrom1to5inches(25to127mm)in1/2
inch(13mm)increments
Net
Weight
Model30368–600lb.(272kg)
Model30366–450lb.(204kg)
Attachments/Accessories
AselectionofToroapprovedattachmentsand
accessoriesareavailableforusewiththemachineto
enhanceandexpanditscapabilities.Contactyour
AuthorizedServiceDealerorDistributororgoto
www.Toro.comforalistofallapprovedattachments
andaccessories.
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
CAUTION
Ifyouleavethekeyintheignitionswitch,someone
couldaccidentlystarttheengineandseriously
injureyouorotherbystanders.
Removethekeyfromtheignitionbeforeyoudo
anymaintenance.
CheckingtheLubricantinthe
GearBox
ServiceInterval:Every50hours
ThegearboxindesignedtooperateonSAE80–90
wt.gearlube.Althoughthegearboxisshippedwith
lubricantfromthefactory,checkthelevelbefore
operatingthecuttingunit.Thegearboxcapacityis12
oz.(283ml).
1.Positionthemachineandcuttingunitonalevel
surface.
2.Removethedipstick/llplugfromthetopof
thegearbox(Figure6)andmakesurethatthe
lubricantisbetweenthemarksonthedipstick.If
thelubricantlevelislow,addenoughlubricantuntil
thelevelisbetweenthemarks.
Figure6
1.Dipstick/llplug
12

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.RefertoFigure7andFigure8to
determinethecorrectholesforthesetting.
Figure7
1.Tensioningcap4.Axlemountingholes
2.Spacers5.CastorWheel
3.Shims
Figure8
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
arerequiredtoachievealevelacrosstheentire
widthofthecuttingunits.Slidetheappropriate
numberof1/2inchspacersontothespindleshaft
togetthedesiredheight-of-cut;thenslidethe
washerontotheshaft.
RefertoFigure8todeterminethecombinations
ofspacersforthesetting.
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).
13

Figure10
7.Securetheadjustmentwiththeclevispinandhair
pin.
Note:Positiontheheadoftheclevispintoward
thefrontofthedeck,ifpossible.
Note:Whenusing1inch(25mm),1-1/2inch(38
mm),oroccasionally2inch(51mm)height–of–cut,
movetheskidsandrollertothehighestholes.
AdjustingtheRollers
Note:Ifthecuttingunitistobeusedinthe1or1-1/2
in.(25or38mm)height-of-cutsetting,thecuttingunit
rollersmustberepositionedinthetopbracketholes.
Toadjustthefrontrollers(Figure11).
1.Removethescrewandnutsecuringtherollershaft
tothedeckbracket.
Figure11
1.Roller2.Rollershaft
2.Slidetheshaftoutofthelowerbracketholes,align
therollerwiththetopholes,andinstalltheshaft.
3.Installthescrewandnuttosecuretheassemblies.
Toadjusttherear(internal)rollers(Figure12)
Figure12
1.Internalrollers
AdjustingtheSkids
Theskidsshouldbemountedinthelowerposition
whenoperatinginheightofcutsgreaterthan2-1/2
inches(64mm)andinthehigherpositionwhen
operatinginheightofcutslowerthan2-1/2inches(64
mm).
Adjusttheskidsbyremovingtheangeboltandnuts,
positioningthemasdesired,andinstallingthefasteners
(Figure13).
Figure13
1.Skid
14

AdjustingtheAnti-Scalp
Rollers
Wheneveryouchangetheheight-of-cut,itis
recommendedtoadjusttheheightoftheanti-scalp
rollers.
1.Afteradjustingtheheight-of-cut,adjusttherollers
byremovingtheangenut,bushing,spacer,and
bolt(Figure14).
Figure14
1.Anti-scalproller4.FlangeNut
2.Spacer5.Bolt
3.Bushing
2.Selectaholesotheanti-scalprollerispositionedto
thenearestcorrespondingheight-of-cutdesired.
3.Installtheangenut,bushing,spacer,andbolt.
Torqueto40-45ft-lb(54-61N-m)(Figure14).
AdjustingtheFlowBafe
Themowerdischargeowcanbeadjustedfordifferent
typesofmowingconditions.Positionthecamlocks
andbafetogivethebestqualityofcut.
1.Toadjustthecamlocks,swingtheleverupto
loosenthecamlock(Figure15).
2.Adjustthebafeandcamlocksintheslotstothe
desireddischargeow .
3.Swingtheleverbackovertotightenthebafeand
camlocks(Figure15).
4.Ifthecamlocksdonotlockthebafeintoplace
oritistootight,loosentheleverandthenrotate
thecamlock.Adjustthecamlockuntilthedesired
lockingpressureisachieved.
G008961
12
34
Figure15
1.Unlocklever3.Positionthebafe
2.Rotatethecamlockto
increaseordecrease
lockingpressure
4.Locklever
PositioningtheFlowBafe
Thefollowingguresareonlyrecommendationsfor
use.Adjustmentswillvarybygrasstype,moisture
content,andheightofgrass.
Note:Iftheenginepowerdrawsdownandthemower
groundspeedisthesame,openupthebafe.
PositionA
Thisisthefullrearposition.Thesuggesteduseforthis
positionisafollows.
•Useforshort,lightgrassmowingconditions.
•Useindryconditions.
•Forsmallergrassclippings.
•Propelsgrassclippingsfartherawayfromthe
mower.
Figure16
PositionB
Usethispositionwhenbagging.Alwaysalignitwith
thebloweropening.
15

Figure17
PositionC
Thisisthefullopenposition.Thesuggestedusefor
thispositionisasfollows.
•Useintall,densegrassmowingconditions.
•Useinwetconditions.
•Lowerstheenginepowerconsumption.
•Allowsincreasedgroundspeedinheavyconditions.
Figure18
AdjustingtheCuttingUnit
Pitch
Cuttingunitpitchisthedifferenceinheight-of-cut
fromthefrontofthebladeplanetothebackofthe
bladeplane.Tororecommendsabladepitchof1/4in.
(6mm).Thatisthebackofthebladeplaneis1/4in.(6
mm)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(Figure19).
Figure19
1.Height-of-cut2.Jamnut
7.Rotatetheheight-of-cutrodstoraiseorlowerthe
rearofthecuttingunitandattainthecorrectcutting
unitpitch.
8.Tightenthejamnuts.
CorrectingCuttingUnit
Mismatch
Duetodifferencesingrassconditionsandthe
counterbalancesettingofthetractionunit,itisadvised
thatgrassbecutandappearancecheckedbeforeformal
cuttingisstarted.
1.Setthecuttingunittothedesiredheightofcut;
refertoAdjustingtheHeightofCut.
2.Checkandadjustfrontandreartractortirepressure
to20psi(138kPa).
3.Checkandadjustallcastortirepressuresto50psi
(345kPa).
4.Checkforbentblades;refertoCheckingforaBent
Blade.
5.Cutgrassinatestareatodetermineifallcutting
unitsarecuttingatthesameheight.
6.Ifcuttingunitadjustmentsarestillneeded,ndaat
surfaceusinga6foot(2m)orlongerstraightedge.
7.Toeasemeasuringbladeplane,raisetheheightof
cuttothehighestposition;refertoAdjustingthe
HeightofCut.
8.Lowerthecuttingunitontotheatsurface.Remove
thecoversfromthetopofthecuttingunits.
9.Rotatethebladeoneachspindleuntiltheendsface
forwardandbackward.
10.Measurefromtheoortothefronttipofthe
cuttingedge.
16

UsingtheSideDischarge
Themowerhasahingedgrassdeectorthatdisperses
clippingstothesideanddowntowardtheturf.
DANGER
Withoutagrassdeector,dischargecover,or
completegrasscatcherassemblymountedin
place,youandothersareexposedtobladecontact
andthrowndebris.Contactwithrotatingmower
blade(s)andthrowndebriswillcauseinjuryor
death.
•Neverremovethegrassdeectorfromthe
mowerbecausethegrassdeectorroutes
materialdowntowardtheturf.Ifthe
grassdeectoriseverdamaged,replaceit
immediately.
•Neverputyourhandsorfeetunderthemower.
•Nevertrytoclearthedischargeareaormower
bladesunlessyoumovethepowertakeoff
(bladecontrolswitch(PTO)totheoffposition,
rotatetheignitionkeytooffandremovethekey.
•Makesurethegrassdeectorisinthedown
position.
OperatingTips
MowWhenGrassisDry
Moweitherinthelatemorningtoavoidthedew,which
causesgrassclumping,orinlateafternoontoavoidthe
damagethatcanbecausedbydirectsunlightonthe
sensitive,freshlymowedgrass.
SelecttheProperHeight-of-CutSetting
toSuitConditions
Removeapproximately1in.(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
Werecommendabladepitchof1/4in.(6mm).A
pitchlargerthan1/4in.(6mm)willresultinlesspower
required,largerclippings,andapoorerqualityofcut.A
pitchlessthan1/4in.(6mm)willresultinmorepower
required,smallerclippingsandabetterqualityofcut.
17

Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
IntervalMaintenanceProcedure
Aftertherst2hours•Tightenthecastorwheelnuts
Aftertherst10hours•Tightenthecastorwheelnuts
•Torquethebladebolts
Beforeeachuseordaily
•Lubricatethecastorarmbushings
•Lubricatethecastorwheelbearings
•Checktheblades
Every50hours
•Checkthegearboxlubricant
•Lubricatethegreasettings
•Tightenthecastorwheelnuts
•Torquethebladebolts
•Checkthebladedrivebeltadjustment
•Cleanunderthecuttingunitbeltcovers
Every400hours•Changethegearboxlubricant
CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentallystarttheengineandseriously
injureyouorotherbystanders.
Removethekeyfromtheignitionswitchbeforeyoudoanymaintenance.
18

Lubrication
ServiceInterval:Every50hours
Themachinehasgreasettingsthatmustbelubricated
regularlywithNo.2GeneralPurposeLithiumBase
Grease.Ifthemachineisoperatedundernormal
conditions,lubricateallbearingsandbushingsafter
every50hoursofoperationorimmediatelyafterevery
washing.
1.Lubricatethefollowingareas:
•Castorforkshaftbushings(2)(Figure20)
Figure20
•Spindleshaftbearings(3)(locatedunderthe
pulley)(Figure21)
Figure21
•Idlerarmshaftbearings(Figure21)
•Liftarmpivots,front(2)(Figure22)
Figure22
•Liftarmpivots,rear(2)(Figure23)
Figure23
2.Positionthemachineandcuttingunitonalevel
surfaceandlowerthecuttingunit.Removethe
dipstick/llplugfromthetopofthegearbox
(Figure24)andmakesurethatthelubricantis
betweenthemarksonthedipstick.Ifthelubricant
levelislow,addSAE80-90wt.gearlubeuntilthe
levelisbetweenthemarks.Thegearboxcapacity
is12oz.(283ml).
19

Figure24
1.Dipstick/llplug
PreMaintenance
Important:Thefastenersonthecoversofthis
machinearedesignedtoremainonthecoverafter
removal.Loosenallofthefastenersoneachcovera
fewturnssothatthecoverisloosebutstillattached,
thengobackandloosenthemuntilthecover
comesfree.Thiswillpreventyoufromaccidentally
strippingtheboltsfreeoftheretainers.
SeparatingtheCuttingUnit
fromtheTractionUnit
1.Positionthemachineonlevelsurface,lowerthe
cuttingunittotheoor,movetheliftlevertothe
Floatposition,shuttheengineoff,andengagethe
parkingbrake.
2.Removetheboltandwashermountedtothetopof
eachheightofcutrod(Figure25).
Figure25
1.Height-of-cutrod3.Height-of-cutcollar
2.Boltandwasher4.Hairpincotterandclevis
pin
3.Removethehairpinandclevispinsecuringthe
heightofcutcollartotheheightofcutrodonthe
rearofthecuttingunit(Figure25).Removethe
heightofcutcollar.
4.Removethehairpincottersandclevispinssecuring
theliftarmstothecastorarmbrackets(Figure26).
Figure26
1.Liftarm3.Hairpincotter
2.Clevispin4.Castorarmbracket
5.Rollthecuttingunitawayfromthetractionunit,
separatingthemaleandfemalesectionsofthePTO
shaft(Figure27).
Figure27
1.PTOshaft
DANGER
IftheengineisstartedandthePTOshaftis
allowedtorotate,seriousinjurycouldresult.
DonotstarttheengineandengagethePTO
leverwhenthePTOshaftisnotconnectedto
thegearboxonthecuttingunit.
20