Toro 30555 User manual

FormNo.3361-655RevA
52inSideDischargeMower
Groundsmaster®200Series,3280D&3320
ModelNo.30555—SerialNo.290000001andUp
ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

Introduction
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperating
theproductproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comfor
productandaccessoryinformation,helpndinga
dealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Themodel
andserialnumbersarestampedintoaplatelocatedon
thecarrierframebehindtherightfrontcastorwheel.
Writethenumbersinthespaceprovided.
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
1InstallingtheLiftArms......................................8
2InstallingtheCarrierFrame................................9
3InstallingtheCuttingUnit................................10
4InstallingtheCEDecal....................................11
5InstallingRearWeight......................................12
ProductOverview......................................................13
Specications.....................................................13
Attachments/Accessories...................................13
Operation...................................................................13
AdjustingtheHeight-of-Cut...............................13
AdjustingtheRollers..........................................13
CheckingtheGearBoxLubricant.......................14
AdjustingWeightTransfer..................................14
UsingtheGrassDeector...................................14
Maintenance...............................................................15
Lubrication.........................................................15
SeparatingtheCuttingUnitfromtheTraction
Unit................................................................15
ServicingtheBushingsintheCastor
Arms..............................................................16
ServicingtheCastorWheelandBearing..............16
CheckingforaBentBlade...................................17
RemovingtheCuttingBlade...............................17
InspectingandSharpeningtheBlade...................18
CheckingandCorrectingMismatchof
Blades............................................................19
ReplacingtheGrassDeector.............................20
AdjustingtheIdlerPulley....................................20
ReplacingtheDriveBelt.....................................20
Troubleshooting.........................................................22
©2009—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.
Donotsmoke.
–Neverrefuelordrainthemachineindoors.
•Checkthatoperator’spresencecontrols,safety
switchesandshieldsareattachedandfunctioning
properly.Donotoperateunlesstheyarefunctioning
properly.
Operation
•Neverrunanengineinanenclosedarea.
•Onlyoperateingoodlight,keepingawayfromholes
andhiddenhazards.
•Besurealldrivesareinneutralandparkingbrakeis
engagedbeforestartingengine.Onlystartengine
fromtheoperator’sposition.Useseatbeltsif
provided.
•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.
•Donotoperatethemowerundertheinuenceof
alcoholordrugs.
3

•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eLetenginecoolbeforestoringanddonot
storenearame.rs,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.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthydraulicuidunderhigh
pressure.Usepaperorcardboard,notyourhands,
4

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.
107-2916
1.Removetheignitionkeyandreadthe
Operator’sManualbeforeservicingor
performingmaintenance.
2.Thrownobjecthazard—donotoperate
themowerwiththedeectorupor
removed,keepthedeectorinplace;
keepbystandersasafedistancefrom
themachine.
3.Cutting/dismembermenthazardof
handorfoot,mowerblade—stayaway
frommovingparts.
43-8480
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).
93–7819
1.Removetheignitionkeyandreadtheinstructionsbefore
servicingorperformingmaintenance.
2.Height-of-cut
99-5171
100-6578
1.Entanglementhazard,belt—donotoperatethemachine
withtheshieldsorguardsremoved;alwayskeepthe
shieldsandguardsinplace;stayawayfrommovingparts.
6

105–9551
1.Warning—readthe
Operator’sManual.
2.Lowerthecuttingdeck
whentravelingdown
slopes.GM225unites
require25kg(55lbs)of
rearweight.GM228Dand
four-wheeldriveunitsdo
notrequirerearweight.
106-6753
1.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
2.Cutting/dismembermenthazardofhandorfoot,mower
blade—stayawayfrommovingparts.
107-2908
1.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
2.Thrownobjecthazard—donotoperatethemowerwiththe
deectoruporremoved,keepthedeectorinplace.
3.Cutting/dismembermenthazardofhandorfoot,mower
blade—stayawayfrommovingparts.
107-2915
1.Entanglementhazard,shaft—tykeepbystandersasafe
distancefromthemachine.
107-2926
1.Cutting/dismembermenthazard,impeller—stayawayfrom
movingparts.
2.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
7

Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescriptionQty.Use
Right-handliftarm1
Left-handliftarm1
Spacer4
Pivotpin2
1
Cotterpin(5/32x1-3/4inches)2
Installtheliftarms.
Rearcradle2
Spacer2
Bolt(3/8x2inches)6
Flangenut(3/8inch)6
2
Bolt(1/2x1-1/2inches)3
Installthecarrierframe.
Clevispins4
Hairpincotter4
3Cushionshim3
Installthecuttingunit.
4Decal1ApplyforCEcompliance.
5Nopartsrequired–Installrearweight.
MediaandAdditionalParts
DescriptionQty.Use
PartsCatalog1
Operator’sManual1Reviewthematerialandsaveinanappropriateplace:
IftheengineisstartedandthePTOshaftis
allowedtorotate,seriousinjurycouldresult.
DonotstarttheengineandengagethePTO
leverwhenthePTOshaftisnotconnectedto
thegearboxonthecuttingunit.
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
Note:Wheninstallingthe52inchdeckontoa
Groundsmaster200Seriestractionunit,theWeight
TransferKit,ToroPartNumber70-8090mustbe
installed.
1
InstallingtheLiftArms
Partsneededforthisprocedure:
1Right-handliftarm
1Left-handliftarm
4Spacer
2Pivotpin
2Cotterpin(5/32x1-3/4inches)
Procedure
1.Ononesideofthetractionunit,loosen(donot
remove)thewheelnutssecuringthewheelandtire
assemblytothefrontwheelstuds.
8

2.Jackupthemachineuntilthefrontwheelisoffof
theoor.Usejackstandsorblockthemachineto
preventitfromaccidentallyfalling.
3.Removethewheelnutsandslidethewheelandtire
assemblyoffofthestuds.
4.Mountaliftarmtothepivotbracketwith2spacers,
apivotpin,andacotterpin(5/32x1-3/4inches).
Mounttheliftarmwiththebendpositionedoutward
(Figure2).
2G010540
12
3
4
Figure2
1.Liftarm3.Pivotbracket
2.Spacer(2)4.Pivotpin
5.Mounttherearoftheliftarmtotheliftcylinder
withapivotpinand2cotterpins(suppliedwiththe
tractionunit)(Figure3).
G010541
1
2
33
Figure3
1.Cylinderpin3.Cotterpin
2.Cylinderend
6.Removethecotterpinsfromtheclevispinsholding
thebrakestrutsandyokestogether,anddiscardthe
cotterpins.Keepingtheclevispininplace,install
theshortendofthespringintotheholeintheclevis
pintoretainthepartstogether.Connecttheother
endofthespringstotheslottedholesintheliftarms
(Figure4).
G010542
1
2
Figure4
1.Brakereturnspring2.Slottedhole
7.Repeattheprocedureontheoppositesideofthe
machine.
2
InstallingtheCarrierFrame
Partsneededforthisprocedure:
2Rearcradle
2Spacer
6Bolt(3/8x2inches)
6Flangenut(3/8inch)
3Bolt(1/2x1-1/2inches)
Procedure
Note:GreasethecastorwheelshaftwithNo.2grease
afterinstallingandafterinitialoperationofthemachine.
1.Carrierframeisshippedupsidedown.Turnframe
overbeforeinstallation.
2.Removethelynchpinand2thrustwashersshipped
oneachcastorwheelassembly.Leave2thrust
washersoneachshaft,inserttheshaftsintothe
framemountingtube,andinstallthethrustwashers
andlynchpin(Figure5).
9

G010543
1
2
3
4
Figure5
1.Castorwheelassembly3.Thrustwashers
2.Carrierframe4.Lynchpin
3.Mountarearcradletoeachliftarmwith3bolts
(3/8x2inches),spacers,andangenutsasshown
inFigure6.
Figure6
1.Liftarm3.Rearcradle
2.Carrierframe4.Spacer
Note:Iftherearcradlemountingholesarenotin
theliftarms,usethedimensionsshowninFigure7
tolocate,mark,anddrillthe3holes(13/32inch
(10.31mm)diameter)requiredineachliftarm.
G010545
1
2
3
4
5
6
Figure7
1.1.250inches(31.75mm)4.0.500inch(12.7mm)
2.2.438inches(62mm)5.1.000inch(25.4mm)
3.0.500inch(12.7mm)6.0.406inch(10.31mm)
diameter(3)
4.Slidethecarrierframeontotheliftarmsaligning
themountingholes.Secureeachsideofthecarrier
frametotheliftarmswith3bolts(1/2x1-1/2
inches).Torquetheboltsto70-80ft-lb(95-108
N-m)(Figure6).
3
InstallingtheCuttingUnit
Partsneededforthisprocedure:
4Clevispins
4Hairpincotter
3Cushionshim
Procedure
1.MakesurethatthePTOshaftonthetractionunit
clearsthecuttingunitframe,engagetheparking
brake,putthetractionpedalinneutral,thePTO
leverintheOffposition,starttheengine,andraise
theframe.
2.Stopengineandslidethecuttingunitunderthe
frame.
10

3.Removethe2boltsandlockwasherssecuringthe
PTOguardmountingbracketstothegearbox
(Figure8).Retainthefastenersforfutureinstallation.
Figure8
1.PTOguard2.Gearbox
4.SlidethePTOshaftguardontothePTOshaft,
positioningtheguardasshowninFigure8.
5.SlidethemalePTOshaftintothefemalePTOshaft.
AlignthegearcaseinputshaftwiththePTOshaft
andslidethemtogether.Securethemwiththeroll
pinandtightentheboltsandlocknuts.
6.AttachthePTOshaftguardtothegearboxwiththe
2boltsandlockwasherspreviouslyremoved.
7.Lowerthecarrierframeandinstall4clevispins
throughthedesiredheight-of-cutbracketholesand
framebrackets.Secureall4pinswithhairpincotters
(Figure9).
Note:OntheGM3280-Dand3320theengine
mustbestartedtolowerthecarrierframe.
Figure9
1.1inch(25mm)6.3-1/2inches(89mm)
2.1-1/2inches(38mm)7.4inches(102mm)
3.2inches(51mm)8.Grassdeector
4.2-1/2inches(64mm)9.Springhinges
5.3inches(76mm)
8.Checktomakesurethatthefrontheight-of-cut
pinsarerestingproperlyontheframecushions
(Figure10).Ifthepinsarenotrestingproperly,place
ashimorshimsunderthecushiontoraiseitfor
properalignment.
Figure10
1.Framecushions
11

4
InstallingtheCEDecal
Partsneededforthisprocedure:
1Decal
Procedure
ApplythedealtothecuttingunitforCEcompliance
5
InstallingRearWeight
NoPartsRequired
Procedure
TwoWheelDriveGroundsmaster200Series,3280-D,
and3320tractionunitscomplywiththeANSI
B71.4-2004Standardwhenequippedwithrearweight.
RefertothechartinthetractionunitOperator’sManualto
determinethecombinationsofweightrequired.Order
thepartsfromyourlocalAuthorizedToroDistributor.
FourWheelDriveGroundsmaster200Seriesand
3280-Dtractionunitsdonotneedadditionalrearweight
tocomplywiththeANSIB71.4-2004Standard.
12

ProductOverview
Specications
Note:Specicationsanddesignaresubjecttochange
withoutnotice.
Widthof
Cut
51-3/4inches(1.314m)
Height
ofCut
Adjustablefrom1to4inches(25to102mm)in1/2
inch(13mm)increments
Blade
Tip
Speed
15,525ft/minute@3250engineRPM
Cutting
Blades
3heat-treatedsteelblades,each3/16inch(4.8mm)
thickand18inches(457mm)long
Pneumatic
Wheels
8inches(203mm)diametergreaseableroller
bearings(inatedto20-30psi[138-207kPa])
Drive
System
PTOdrivengearboxtransmitspowerthrougha"AA"
sectionbelttoallbladespindles.
Attachments/Accessories
AselectionofToroapprovedattachmentsand
accessoriesareavailableforusewiththemachineto
enhanceandexpanditscapabilities.Contactyour
AuthorizedServiceDealerorDistributororgoto
www.Toro.comforalistofallapprovedattachments
andaccessories.
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
AdjustingtheHeight-of-Cut
Theheight-of-cutisadjustablefrom1to4inches(25to
102mm)in1/2inch(13mm)incrementsbyrelocating
4clevispinsindifferentholelocations(Figure11).
Figure11
1.1inch(25mm)6.3-1/2inches(89mm)
2.1-1/2inches(38mm)7.4inches(102mm)
3.2inches(51mm)8.Grassdeector
4.2-1/2inches(64mm)9.Springhinges
5.3inches(76mm)
AdjustingtheRollers
Note:Ifthecuttingunitistobeusedinthe1inch(25
mm)or1-1/2inches(38mm)height-of-cutsetting,
therearcuttingunitrollersmustberepositionedinthe
topbracketholes.
1.Removethecotterpinssecuringtherollershaftsto
theundersideofthedeck.
2.Slidetheshaftsoutofthelowerbracketholes,align
therollerswiththetopholes,andinstalltheshafts.
3.Installthecotterpinstosecuretheassemblies.
13

CheckingtheGearBox
Lubricant
ThegearboxisdesignedtooperateonSAE80-90
wt.gearlube.Althoughthegearboxisshippedwith
lubricantfromthefactory,checkthelevelbefore
operatingthecuttingunit.
1.Positionthemachineandcuttingunitonalevel
surface.
2.Removethedipstick/llplugfromthetopof
thegearbox(Figure12)andmakesurethatthe
lubricantisbetweenthemarksonthedipstick.If
thelubricantlevelislow,addenoughlubricantuntil
thelevelisbetweenthemarks.
Figure12
1.Dipstick/llplug
AdjustingWeightTransfer
OnGroundsmaster3280-Dand3320modelsonly,
refertothetractionunitOperator’sManualforthe
proceduretoadjustthecounterbalancepressurefor
bestperformance.
UsingtheGrassDeector
Withoutthegrassdeectormountedinplace,
youandothersareexposedtobladecontact
andthrowndebris.Contactwiththerotating
mowerblade(s)andthrowndebriswillcause
injuryordeath
•Neverremovethegrassdeectorfrom
themowerbecausethegrassdeector
routesmaterialdowntowardtheturf.Ifthe
grassdeectoriseverdamaged,replaceit
immediately.
•Neverputyourhandsorfeetunderthe
mower.
•Neveroperatethemowerwiththe
deectorremovedfromthecuttingunitor
tied/blockedinaraisedposition.
Note:Thedeectorisspringloadedintoitsdownward
normaloperatingposition(Figure11),buttheoperator
cantemporarilyswingitoutofthewaytofacilitate
loadinginatrailerorwhenotherwisenecessary.
14

Maintenance
Lubrication
Thecuttingunitmustbelubricatedregularly.Ifthe
machineisoperatedundernormalconditions,lubricate
thecastorbearingsandbushingswithNo.2general
purposelithiumbasegreaseormolybdenumbasegrease
afterevery8hoursofoperationordaily,whichever
comesrst.Allotherbearings,bushings,andthegear
boxmustbelubricatedafterevery50hoursofoperation.
1.Lubricatethefollowingareas:
•castorspindlebushings(Figure13)
•castorwheelbearings(Figure13)
Figure13
•rightandleftliftarmpivotpins(Figure14)
Figure14
•bladespindlebearings(Figure15)
Figure15
2.Positionthemachineandcuttingunitonalevel
surfaceandlowerthecuttingunit.Removethe
dipstick/llplugfromthetopofthegearbox
(Figure16)andmakesurethatthelubricantis
betweenthemarksonthedipstick.Ifthelubricant
levelislow,addSAE80-90wt.gearlubeuntilthe
levelisbetweenthemarks.
Figure16
SeparatingtheCuttingUnit
fromtheTractionUnit
1.Positionthemachineonalevelsurface,raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,thePTOleverintheOff
position,shuttheengineoff,andremovetheignition
key.
2.Lowerthecuttingunitandremovethe4pinsfrom
theheight-of-cutbrackets
3.Starttheengineandraisethecuttingunitframe.
4.Stoptheengineandslidethecuttingunitaway
fromthetractionunitandcarrierframe,separating
themaleandfemalesectionsofthePTOshaft
(Figure17).
15

Figure17
1.PTOshaft
IftheengineisstartedandthePTOshaftis
allowedtorotate,seriousinjurycouldresult.
DonotstarttheengineandengagethePTO
leverwhenthePTOshaftisnotconnectedto
thegearboxonthecuttingunit.
5.Thedeckcarrierframemustberemovedifthe
tractionunitwillbeusedwithanyotheraccessory.
ServicingtheBushingsinthe
CastorArms
Thecastorarmshavebushingspressedintothetopand
bottomportionofthetubewhich,aftermanyhoursof
operation,willwear.Tocheckthebushings,movethe
castorforkbackandforthandfromsidetoside.Ifthe
castorshaftislooseinsidethebushings,thebushingsare
wornandmustbereplaced.
1.Raisethecuttingunitsothatthewheelsareoffofthe
oorandblockitsothatitcannotaccidentallyfall.
2.Removethelynchpinandthrustwashersfromthe
topofthecastorspindle.
3.Pullthecastorspindleoutofthemountingtube.
Allowthethrustwasherstoremainonthebottom
ofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthe
tube(Figure18).Alsodrivetheotherbushingout
ofthetube.Cleantheinsideofthemountingtube
toremoveanydirt.
G010553
1
2
Figure18
1.Lynchpin2.Thrustwashers
5.Applygreasetotheinsideandoutsideofthenew
bushings.Usingahammerandatplate,drivethe
bushingsintothemountingtube.
6.Inspectthecastorshaftforwearandreplaceitifit
isdamaged.
7.Pushthecastorshaftthroughthebushingsand
mountingtube.Slidethespacersontotheshaftand
secureitwiththelynchpin.
Important:Whenthebushingsareinstalled,
theinsidediametermaycollapseslightly,and
thismaynotallowthecastorshafttobeinstalled.
Ifthecastorspindledoesnotslidethroughthe
newbushingsandmountingtube,reamboth
bushingstoaninsidediameterof1.126inches.
ServicingtheCastorWheel
andBearing
Thecastorwheelrotatesonahigh-qualityrollerbearing
andissupportedbyaspannerbushing.Evenafter
manyhoursofuse,providedthatthebearingwaskept
welllubricated,bearingwearwillbeminimal.However,
failuretokeepthebearinglubricatedwillcauserapid
wear.Awobblycastorwheelusuallyindicatesaworn
bearing.
1.Removethelocknutfromtheboltholdingthecastor
wheelassemblybetweenthecastorfork(Fig.24).
Graspthecastorwheelandslidetheboltoutofthe
fork.
Note:Accountfor2thrustwashers.
16

2.Tipthewheeltothesideandallowthespanner
bushing(Figure19)tofallout.
Figure19
1.Castorfork4.Spannerbushing
2.Thrustwasher5.Rollerbearing
3.Bearingretainer
3.Removeonebearingretainerfromthewheelhub
andallowthebearingtofallout.Removethebearing
retainerfromtheoppositesideofthewheelhub
(Figure19).
4.Inspectthebearing,spannerbushing,andwheelfor
wear.Replacewornordamagedparts.
5.Toassembletheparts,slidethespannerbushing
throughthehubassembly.
6.Mountthecastorwheelassemblyandwashers
betweentheforkandinserttheboltandlocknut.
Tightentheboltandlocknutuntilthespanner
bushingandwashersbottomoutagainsttheinside
ofthecastorfork.
7.Pumpgreasethroughthegreasettingonthewheel
untilthebearingisgreasedthoroughly.
CheckingforaBentBlade
1.Positionthemachineonalevelsurface,raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,thePTOleverintheOff
position,shuttheengineoff,removetheignitionkey,
anddisconnectthewiresfromthesparkplugs.Block
thecuttingunittopreventitfromaccidentallyfalling.
2.Rotatethebladeuntiltheendsfaceforwardand
backward.Measurefromtheinsideofthecutting
unittothecuttingedgeatthefrontoftheblade
(Figure20),andrememberthisdimension.
G010549
Figure20
3.Rotatetheoppositeendofthebladeforward.
Measurebetweenthecuttingunitandcuttingedge
ofthebladeatthesamepositionasinstep2The
differencebetweenthedimensionsobtainedinsteps
2and3mustnotexceed1/8inch(3mm).Ifthe
dimensionexceeds1/8inch(3mm),replacethe
bladebecauseitisbent;refertoRemovingthe
CuttingBlade.
RemovingtheCuttingBlade
Theblademustbereplacedifasolidobjectishit,the
bladeisout-of-balance,worn,orbent.Alwaysuse
genuineTororeplacementbladestoensuresafetyand
optimumperformance.Neverusebladesmadebyother
manufacturersbecausetheycouldbedangerous.
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrownintothe
operator’sorbystander’sarea,resultingin
seriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Donottrytostraightenabladethatisbent.
•Neverweldabrokenorcrackedblade.
•Replaceawornordamagedbladewitha
newTorobladetoensurecontinuedsafety
certicationoftheproduct.
1.Positionthemachineonalevelsurface,raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,thePTOleverinthe
Offposition,shuttheengineoff,andremovethe
ignitionkey.Blockthecuttingunittopreventitfrom
accidentallyfalling.
2.Grasptheendofthebladeusingaragorthickly
paddedglove.Removethebladebolt,anti-scalpcup,
andbladefromthespindleshaft(Figure21).
17

G010555
1
2
Figure21
1.Bladebolt2.Anti-scalpcup
3.Installtheblade-sailfacingtowardthecutting
unit-withtheanti-scalpcupandbladebolt.Tighten
thebladeboltto85-110ft-lb(115-149N-m).
InspectingandSharpeningthe
Blade
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,thePTOleverinthe
Offposition,shuttheengineoff,andremovethe
ignitionkey.Blockthecuttingunittopreventitfrom
accidentallyfalling.
2.Examinethecuttingendsofthebladecarefully,
especiallywheretheatandcurvedpartsofthe
blademeet(Figure22).Sincesandandabrasive
materialcanwearawaythemetalthatconnects
theatandcurvedpartsoftheblade,checkthe
bladebeforeusingthemachine.Ifwearisnoticed
(Figure22),replacetheblade;refertoRemovingthe
CuttingBlade.
Figure22
1.Cuttingedge3.Wear/slotforming
2.Curvedarea/sail4.Crack
Ifthebladeisallowedtowear,aslotwillform
betweenthesailandatpartoftheblade
(Figure22).Eventually,apieceoftheblade
maybreakoffandbethrownfromunderthe
housing,possiblyresultinginseriousinjuryto
yourselforbystanders.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedbladewitha
newTorobladetoensurecontinuedsafety
certicationoftheproduct.
3.Examinethecuttingedgesofallblades.Sharpenthe
cuttingedgesiftheyaredullornicked.Sharpenonly
thetopsideofthecuttingedgeandmaintainthe
originalcuttingangletoensuresharpness(Figure23).
Thebladewillremainbalancedifthesameamount
ofmetalisremovedfrombothcuttingedges.
Figure23
1.Sharpenatoriginalangle
Note:Removethebladesandsharpenthemona
grinder;refertoRemovingtheCuttingBlades.After
sharpeningthecuttingedges,installthebladewith
theanti-scalpcupandbladebolt.Thebladesails
mustbeontopoftheblade.Tightenthebladebolt
to85-110ft-lb(115-149N-m).
18

CheckingandCorrecting
MismatchofBlades
Ifonecuttingbladecutslowerthantheothers,correct
themasfollows:
1.Lowerthecuttingunitontoalevelsurface,engage
theparkingbrake,putthetractionpedalinneutral,
thePTOleverintheOffposition,shuttheengine
off,andremovetheignitionkey.Makesurethatthe
tirepressureisequalonalltires.
2.Raisetheheight-of-cuttothe4inches(102mm)
position;refertoAdjustingtheHeight-of-Cut.
3.Rotatethebladessothatthetipslineupwithone
another.Thetipsoftheadjacentbladesmustbe
within1/8inch(3mm)ofeachother.Ifthetipsare
notwithin1/8inch(3mm)ofeachother,proceedto
step10andaddshimsbetweenthespindlehousing
andbottomofthecuttingunit.
4.Checktomakesurethatthefrontheight-of-cutpins
arerestingproperlyontheframecushions.Ifthe
pinsarenotrestingproperly,placeashimorshims
underthecushiontoraiseitforproperalignment.
5.Positionall3bladesintheAposition(Figure24)
andmeasurefromthelevelsurfacetothebottomof
thetipendofeachblade(Figure25).
G010556
A
B
C
A
B
CA
B
C
Figure24
G010557
1
Figure25
1.Measurefrombladetiptoalevelsurface.
6.NotethemeasurementattainedatA,rotatethe
bladestotheBposition(Figure24),measurethe
distanceofallofthebladestothelevelsurface,and
notethedimensions(Figure25).
7.RotatethebladestotheCposition,measure,
andnotethedistancemeasured(Figure24and
Figure25).
8.Comparethemeasurementsatvariouspositions.
Alldimensionsmustbeequalwithin1/4inch(6
mm)fromany2adjacentblades.Thedifference
betweenthedimensionsofall3bladesmustnot
exceed3/8inch(10mm).Ifthedifferenceexceeds
specications,proceedtostep9.
9.Removethebolts,atwashers,andlocknutsfrom
theouterspindleintheareawheretheshimsmust
beadded.Toraiseorlowertheblade,addashim,
PartNo.3256-24,betweenthespindlehousingand
bottomofthecuttingunit.Continuecheckingthe
alignmentofthebladesandaddingshimsuntilthe
tipsofthebladesarewithintherequireddimension.
10.Equalizetheside-to-sidemeasurementsasfollows:
A.Cuttingunitsusuallyoperatedat1to2inches
(25to51mm)height-of-cutshouldhavethelow
sideofthecuttingunitraised.Removethelynch
pinsecuringthecastorwheelonthelowend
(Figure26)andremovethecastorassembly.
G010553
1
2
Figure26
1.Lynchpin2.Thrustwashers(as
required)
B.Transferonethrustwasherfromthetopside
ofthecastorshafttothelowerside,installthe
castorassembly,andcomparethebladeheightof
allblades;refertosteps3through7.Continue
addingthrustwashersiftheheightstilldoesnot
meettherequirements.
C.Ifthecuttingunitisoperatedatthe2to4inches
(51mmto102mm)height-of-cut,lowerthehigh
sideofthecuttingunit.Removethelynchpinof
thecastoratthehighendoftheunitandremove
thecastorassembly(Figure26).
19

D.Transferonethrustwasherfromthelowerside
ofthecastorshafttothetopside,installthe
assembly,andcomparethebladeheightofallof
theblades;refertosteps3through7.Repeatthe
procedureiftheheightstilldoesnotmeetthe
requirements.
E.Iftheheightiswithinthespecieddimension,
installthelynchpin,settheheight-of-cuttothe
properheight,andresumeoperation.
ReplacingtheGrassDeector
1.Positionthemachineonalevelsurface,raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,thePTOleverinthe
Offposition,shuttheengineoff,andremovethe
ignitionkey.Blockthecuttingunittopreventitfrom
accidentallyfalling.
2.Removethe2bolts,locknuts,andspringssecuring
thedeectormountstothepivotbrackets
(Figure27).
3.Toremovethepivotbrackets,removethecarriage
boltsandnuts(Figure27).
4.Installthepivotbracketsontopofthedischarge
openingwiththecarriageboltsandnuts.Thehead
ofthecarriageboltsmustbeontheinsideofthe
cuttingunit.
Figure27
1.Bolt3.Pivotbrackets
2.Locknuts4.Spring
5.Positionthedeectormountsonthepivotbrackets
andsecurethepartstogetherwiththebolts,locknuts,
andsprings.Bothlocknutsmustfaceeachother.
Tightenthelocknutsuntiltheyareushagainstthe
deectorpivots.
6.Liftthedeectorandallowittodroptocheckthe
springtension.Thedeectormustbeheldrmlyin
thefulldownwardpositionbythespringtension.
Correctitifnecessary.
AdjustingtheIdlerPulley
Theidlerpulleyappliesforceagainstthebeltsothat
powercanbetransmittedtothebladepulleys.Ifthe
idlerisnottensionedagainstthebeltwithsufcient
force,maximumpowerwillnotbetransmittedtothe
pulleys.Initialtensiononanewbeltrequires25to30
ft-lb(34to41N-m)oftorqueonthelargenut,which
appliesforceagainstthebelt.Asthebeltwearsand
loosens,20to25ft-lb(27to34N-m)oftorqueonthe
largenutisrequired.Iftheidlerisnotadjustedtothese
specications,anadjustmentisnecessary.
1.Positionthemachineonalevelsurface,lowerthe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,thePTOleverintheOff
position,shuttheengineoff,andremovetheignition
key.
2.Releaseandunhookthelatchessecuringthecenter
covertothetopofthecuttingunit.Removethe
coverfromthecuttingunit.
3.Loosenthe2nutssecuringtheidlerplateinplace.
Usingasocketandtorquewrench,tightentheidler
adjustingnutto25-30ft-lb(24-41N-m)(Figure28).
Figure28
1.Idlerplate3.Idleradjustment
2.Nuts(2)
4.Holdthetorqueagainstthebeltandtightenthe2
nutssothattheidlerplateisheldsecurelyinplace.
Releasetheidleradjustingnut.Installthecoverand
securethelatches.
ReplacingtheDriveBelt
Thebladedrivebelt,tensionedbytheadjustableidler,
isverydurable.However,aftermanyhoursofuse,the
beltwillshowsignsofwear.Signsofawornbeltare:
squealingwhenbeltisrotating,bladesslippingwhen
cuttinggrass,frayededges,burnmarks,andcracks.
Replacethebeltifanyoftheseconditionsareevident.
20