Toro Groundsmaster 3320-D User manual

FormNo.3430-203RevA
60inSideDischargeMower
Groundsmaster®3320/3280-DTractionUnit
ModelNo.30366—SerialNo.403360001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)*3430-203*A

ThisproductcomplieswithallrelevantEuropean
directives,fordetailspleaseseetheseparateproduct
specicDeclarationofConformity(DOC)sheet.
WARNING
CALIFORNIA
Proposition65Warning
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Introduction
Thisrotary-bladelawncuttingdeckismounted
toaride-onmachineandisintendedtobeused
byprofessional,hiredoperatorsincommercial
applications.Itisprimarilydesignedforcuttinggrass
onwell-maintainedlawnsinparks,sportselds,
andoncommercialgrounds.Usingthisproductfor
purposesotherthanitsintendedusecouldprove
dangeroustoyouandbystanders.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
Visitwww.T oro.comforproductsafetyandoperation
trainingmaterials,accessoryinformation,helpnding
adealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Important:Withyourmobiledevice,youcan
scantheQRcodeontheserialnumberdecal(if
equipped)toaccesswarranty,parts,andother
productinformation.
g243406
Figure1
1.Serialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
1.Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2019—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
Contactusatwww.Toro.com.
PrintedintheUSA.
AllRightsReserved

Contents
Safety.......................................................................3
GeneralSafety...................................................3
CuttingUnitSafety..............................................3
SafetyandInstructionalDecals..........................4
Setup........................................................................7
1InstallingtheLiftArmstotheTraction
Unit.................................................................8
2ConnectingtheLiftArmstotheCutting
Unit.................................................................8
3ReplacingtheTractionUnitPTO
Shaft...............................................................9
4ConnectingthePTOShafttotheCutting
UnitGearbox...................................................9
5GreasingtheMachine......................................9
ProductOverview...................................................10
Specications..................................................10
Attachments/Accessories.................................10
Operation.................................................................11
AdjustingtheHeightofCut................................11
AdjustingtheRollers.........................................12
AdjustingtheSkids...........................................13
AdjustingtheFlowBafe..................................13
PositioningtheFlowBafe................................13
AdjustingtheCuttingUnitPitch.........................14
CorrectingaCuttingUnitMismatch...................15
UsingtheSideDischarge.................................15
OperatingTips.................................................16
Maintenance...........................................................17
RecommendedMaintenanceSchedule(s)...........17
DailyMaintenanceChecklist.............................17
Lubrication........................................................18
CheckingtheLubricantintheGearbox..............18
SeparatingtheCuttingUnitfromtheTraction
Unit...............................................................19
ServicingtheBushingsintheCastor
Arms.............................................................19
ServicingtheCastorWheelsand
Bearings........................................................20
ServicingtheCuttingBlades.............................20
CheckingandCorrectingMismatchof
Blades...........................................................23
ReplacingtheDriveBelt...................................23
ReplacingtheGrassDeector..........................24
CleaningUndertheCuttingUnit........................24
Storage...................................................................25
Safety
Thismachinehasbeendesignedinaccordancewith
ANSIB71.4-2017andwithENISO5395whenyou
completethesetupproceduresandinstalltheCEkit,
pertheDeclarationofConformity.
GeneralSafety
Thisproductiscapableofamputatinghandsand
feetandofthrowingobjects.Alwaysfollowallsafety
instructionstoavoidseriouspersonalinjury.
•Readandunderstandthecontentsofthis
Operator’sManualbeforestartingtheengine.
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand
functioningproperlyonthemachine.
•Keepyourhandsandfeetawayfromrotating
parts.Keepclearofthedischargeopening.
•Keepbystandersandchildrenoutoftheoperating
area.Neverallowchildrentooperatethemachine.
•Shutofftheengine,removethekey(ifequipped),
andwaitforallmovementtostopbeforeyouleave
theoperator’sposition,Allowthemachinetocool
beforeadjusting,servicing,cleaning,orstoringit.
Improperlyusingormaintainingthismachinecan
resultininjury.T oreducethepotentialforinjury,
complywiththesesafetyinstructionsandalways
payattentiontothesafety-alertsymbol,which
meansCaution,Warning,orDanger—personalsafety
instruction.Failuretocomplywiththeseinstructions
mayresultinpersonalinjuryordeath.
CuttingUnitSafety
•Thecuttingunitisonlyapartofacomplete
machinewheninstalledonatractionunit.Read
thetractionunitOperator’sManualcarefully
forcompleteinstructionsonthesafeuseofthe
machine.
•Stopthemachine,removethekey,andwaitfor
allmovingpartstostopbeforeinspectingthe
attachmentafterstrikinganobjectorifthereis
anabnormalvibrationinthemachine.Makeall
necessaryrepairsbeforeresumingoperation.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
•Useonlyaccessories,attachments,and
replacementpartsapprovedbyToro.
3

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
decal93-6697
93-6697
1.ReadtheOperator's
Manual.
2.AddSAE80w-90(API
GL-5)oilevery50hours.
decal93-7818
93-7818
1.Warning—readtheOperator'sManualforinstructionson
torquingthebladebolt/nutto115to149N∙m(85to110
ft-lb).
decal100-5622
100-5622
1.Heightofcutadjustment
decal107-1622
107-1622
decal107-2908
107-2908
1.Thrownobjecthazard—keepbystandersaway.
2.Thrownobjecthazard—lowerthedeectorbeforeusing
themachine.
3.Cutting/dismembermenthazardofhandorfoot,mower
blade—stayawayfrommovingparts.
4

decal108-1986
108-1986
1.Heightofcut
decal108-1988
108-1988
1.Beltrouting
decal117-4979
117–4979
1.Entanglementhazard,belt—stayawayfrommovingparts,
keepallguardsandshieldsinplace.
decal120-6604
120-6604
1.Thrownobjecthazard—keepbystandersawayfromthe
machine.
2.Cutting/dismembermenthazardofhand,mower
blade—stayawayfrommovingparts,keepallguardsand
shieldsinplace.
3.Cutting/dismembermenthazardoffoot,mowerblade—stay
awayfrommovingparts,keepallguardsandshieldsin
place.
decal133-8061
133-8061
5

decal107-2916
107-2916
1.Removethekeyandreadthe
Operator'sManualbeforeperforming
maintenance.
2.Thrownobjecthazard—donotoperate
themowerwiththedeectorupor
removed;lowerthedeectorbefore
usingthemachine;keepbystanders
away.
3.Cutting/dismembermenthazardof
handorfoot,mowerblade—stayaway
frommovingparts.
6

Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescriptionQty.Use
Pivotpinassembly2
1Cotterpin2Installtheliftarmstothetractionunit.
Liftarm,right1
Liftarm,left1
Thrustwasher-nylon4
Clevispin4
Hairpincotter—small2
Heightofcutcollar2
Clevispin2
Hairpincotter—large2
Bolt(1/2x3/4inch)2
2
Washer2
Connecttheliftarmstothecuttingunit.
3Nopartsrequired–ReplacethetractionunitPTOshaft
(cuttingunitmodel30366only).
4Nopartsrequired–ConnectthePTOshafttothecutting
unitgearbox.
5Nopartsrequired–Greasethemachine.
MediaandAdditionalParts
DescriptionQty.Use
Operator'sManual1Reviewthematerialandsaveinanappropriateplace
PartsCatalog1Usetoreferencepartnumbers
WARNING
Ifyouleavethekeyintheignitionswitch,
someonecouldaccidentallystarttheengine
andseriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionswitch
beforeyoudoanymaintenance.
DANGER
IftheengineisstartedandthePTOshaftis
allowedtorotate,seriousinjurycouldresult.
DonotstarttheengineandengagethePTO
switchwhenthePTOshaftisnotconnected
tothegearboxonthecuttingunit.
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
7

1
InstallingtheLiftArmsto
theTractionUnit
Partsneededforthisprocedure:
2Pivotpinassembly
2Cotterpin
Procedure
1.Ononesideofthetractionunit,loosen(donot
remove)thewheelnutssecuringthewheeland
tireassemblytothefrontwheelstuds.
2.Jackupthemachineuntilthefrontwheelisoffof
theoor.Usejackstandsorblockthemachine
topreventitfromaccidentallyfalling.
3.Removethewheelnutsandslidethewheeland
tireassemblyoffofthestuds.
4.Mountaliftarmtothepivotbracketwithapivot
pinandacotterpin(Figure3).Mounttheliftarm
withthebendpositionedoutward.
5.Hookthebrakereturnspringtothetabonthe
liftarm(Figure3).
g012393
Figure3
1.Pivotpin4.Brakereturnspring
2.Liftarm5.Tab
3.Pivotbracket
6.Installthewheelandtireassembly.Torquethe
wheelnutsto102to108N∙m(75to80ft-lb).
7.Repeattheprocedureontheoppositesideof
themachine.
2
ConnectingtheLiftArmsto
theCuttingUnit
Partsneededforthisprocedure:
1Liftarm,right
1Liftarm,left
4Thrustwasher-nylon
4Clevispin
2Hairpincotter—small
2Heightofcutcollar
2Clevispin
2Hairpincotter—large
2Bolt(1/2x3/4inch)
2Washer
Procedure
1.Movethecuttingunitintopositioninfrontofthe
tractionunit.
2.MovetheliftlevertotheFLOATposition.Push
aliftarmdownuntiltheholesintheliftarmline
upwiththeholesinthecastorarmbracketand
theheightofcutrodcanbeinsertedintothelift
armpads(Figure4).
3.Securetheliftarmtothecastorarmwith2thrust
washers,aclevispin,andalargehairpincotter.
Positionthethrustwashersbetweentheliftarm
andthecastorarmbracket(Figure4).Insert
endofcotterpinintotheslotinthecastorarm
tabtoretaincotterpin.
4.Repeattheprocedureontheoppositeliftarm.
5.Startthetractionunitandraisethecuttingunit.
6.Pushdownontherearofthecuttingunitand
inserttheheightofcutrodsthroughtheliftarm
pads.
7.Installtheheightofcutcollarsontotheheight
ofcutrodsandsecurewiththeclevispinsand
smallhairpincotters(Figure4).Headofclevis
pintobepositionedtowardthefrontofthe
cuttingunit.
8.Installabolt(1/2x3/4inch)andawashertothe
topofeachheightofcutrod(Figure4).
8

g012229
Figure4
1.Liftarm7.Hairpincotter—large
2.Castorarmbracket8.Height-of-cutcollar
3.Height-of-cutrod9.Clevispin
4.Liftarmpads10.Hairpincotter—small
5.Thrustwashers11.Bolt(1/2x3/4inch)
6.Clevispin
3
ReplacingtheTractionUnit
PTOShaft
NoPartsRequired
Procedure
Cuttingunitmodel30366isequippedwithashorter
PTOshaftwhichmustbeinstalledonthetractionunit
asfollows:
1.Removethecotterpin,boltsandlocknuts
securingthefemaleendofthePTOshafttothe
tractionunitshaft.
2.RemovethePTOshaftfromthetractionunit
shaftandretainitforfutureapplications.
3.InstallthefemaleendofthePTOshaft,supplied
withthecuttingunit,tothetractionunitshaft
withthecotterpin.
4.Tightentheboltsandlocknuts.
4
ConnectingthePTOShaft
totheCuttingUnitGearbox
NoPartsRequired
Procedure
1.SlidethemalePTOshaftintothefemalePTO
shaft.Alignthemountingholesinthegearcase
inputshaftwiththeholesinthePTOshaftand
slidethemtogether.
g012230
Figure5
1.PTOshaft3.Gearcase
2.Boltsandlocknuts4.Rollpin
2.Securethemwitharollpin.
3.Tightentheboltsandnutsandtorqueto18to25
N∙m(175to225in-lb).
9

5
GreasingtheMachine
NoPartsRequired
Procedure
Beforeoperatingthemachine,itmustbegreased
toensureproperlubricatingcharacteristics;referto
Lubrication(page18).Failuretoproperlygreasethe
machinewillresultinprematurefailureofcriticalparts.
ProductOverview
Specications
Note:Specicationsanddesignaresubjectto
changewithoutnotice.
Width
ofCut
1.52m(60inches)
Height
ofCut
Adjustablefrom25to127mm(1to5inches)in13
mm(1/2inch)increments
Net
Weight
204kg(450lb.)
Attachments/Accessories
AselectionofT oroapprovedattachmentsand
accessoriesisavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorauthorizedT oro
distributororgotowww.T oro.comforalistofall
approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineToro
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
10

Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
CAUTION
Ifyouleavethekeyintheignitionswitch,
someonecouldaccidentlystarttheengine
andseriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionbeforeyou
doanymaintenance.
AdjustingtheHeightofCut
Theheightofcutisadjustablefrom25to127mm(1
to5inches)in13mm(1/2inch)increments.Toadjust
theheightofcut,positionthecastorwheelaxlesin
theupperorlowerholesofthecastorforks,addor
removeanequalnumberofspacersfromthecastor
forksandsecuretheheightofcutcollartothedesired
holesintheheightofcutrod.
1.Starttheengineandraisethecuttingunitoffthe
oorsothattheheightofcutcanbechanged.
Stoptheengineandremovethekeyafterthe
cuttingunitisraised.
2.Positionthecastorwheelaxlesinthesame
holesinbothcastorforks.RefertoFigure6and
Figure7todeterminethecorrectholesforthe
setting.
g008866
Figure6
1.Tensioningcap4.Axlemountingholes
2.Spacers5.Castorwheel
3.Shims
decal100-5622
Figure7
Note:Whenoperatingin64mm(2–1/2inch)
heightofcutorhigher,theaxleboltmustbe
installedinthelowercastorforkholetoprevent
grassbuildupbetweenthewheelandthefork.
Whenoperatinginheightofcutslowerthan64
mm(2–1/2inch)andgrassbuildupisdetected,
reversethemachinesdirectiontopullany
clippingsawayfromthewheel/forkarea.
3.Removethetensioningcapfromthespindle
shaft(Figure6)andslidethespindleoutofthe
castorarm.Putthe2shims(1/8inch)ontothe
spindleshaftastheywereoriginallyinstalled.
Theseshimsarerequiredtoachievealevel
acrosstheentirewidthofthecuttingunits.Slide
theappropriatenumberof1/2inchspacersonto
thespindleshafttogetthedesiredheightofcut;
thenslidethewasherontotheshaft.
RefertoFigure7todeterminethecombinations
ofspacersforthesetting.
4.Pushthecastorspindlethroughthecastor
arm.Installtheshims(astheywereoriginally
installed)andtheremainingspacersontothe
spindleshaft.Installthetensioningcapto
securetheassembly.
5.Removethehairpincotterandclevispin
securingtheheightofcutcollartotheheightof
cutrodontherearofthecuttingunit(Figure8).
11

g012231
Figure8
1.Height-of-cutrod3.Clevispinandhairpin
cotter
2.Height-of-cutcollar
6.Aligntheheight-of-cutcollartothedesired
height-of-cutholesontheheightofcutrod
(Figure8andFigure9).
7.Securetheadjustmentwiththeclevispinand
hairpincotter.
Note:Positiontheheadoftheclevispintoward
thefrontofthedeck,ifpossible.
Note:Whenusing25mm(1inch),38mm
(1-1/2inch),oroccasionally51mm(2inch)
heightofcut,movetheskidsandrollertothe
highestholes.
decal108-1986
Figure9
AdjustingtheRollers
Note:Ifthecuttingunitistobeusedinthe25or38
mm(1or1-1/2inch)height-of-cutsetting,thecutting
unitrollersmustberepositionedinthetopbracket
holes.
1.Toadjustthefrontrollers,removethescrewand
nutsecuringtherollershafttothedeckbracket
(Figure10).
g004487
Figure10
1.Roller2.Rollershaft
2.Slidetheshaftoutofthelowerbracketholes,
aligntherollerwiththetopholes,andinstallthe
shaft.
3.Installthescrewandnuttosecurethe
assemblies.
4.Toadjusttherear(internal)rollers,referto
Figure11.
g012332
Figure11
1.Internalrollers
12

AdjustingtheSkids
Mounttheskidsinthelowerpositionwhenoperating
inheightofcutshigherthan64mm(2-1/2inches)and
inthehigherpositionwhenoperatinginheightofcuts
lowerthan64mm(2-1/2inches).
Note:Whentheskidsbecomeworn,youcanswitch
theskidtotheoppositesidesofthemower,ipping
themover.Thiswillallowyoutousetheskidslonger
beforereplacingthem.
1.DisengagethePTOandengagetheparking
brake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Loosenthescrewatthefrontofeachskid
(Figure12).
4.Removetheange-headboltsandnutsfrom
eachskid.
5.Moveeachskidtothedesiredpositionand
securethemwiththeange-headboltsandnuts
(Figure12).
Note:Onlyusethetoporcentersetsofholes
toadjusttheskids.Thebottomholesareused
whenswitchingsidesonaGuardianmower,at
whichtimetheybecomethetopholesonthe
othersideofthemower.
g268888
Figure12
1.Screw3.Skid
2.Flange-headbolt4.Nut
6.Torquethescrewatthefrontofeachskidto9to
11N∙m(80to100in-lb).
AdjustingtheFlowBafe
Themowerdischargeowcanbeadjustedfor
differenttypesofmowingconditions.Positionthecam
locksandbafetogivethebestqualityofcut.
1.Toadjustthecamlocks,swingtheleverupto
loosenthecamlock(Figure13).
2.Adjustthebafeandcamlocksintheslotsto
thedesireddischargeow.
3.Swingtheleverbackovertotightenthebafe
andcamlocks(Figure13).
4.Ifthecamlocksdonotlockthebafeintoplace
oritistootight,loosentheleverandthenrotate
thecamlock.Adjustthecamlockuntilthe
desiredlockingpressureisachieved.
g008961
Figure13
1.Unlocklever3.Positionthebafe
2.Rotatethecamlockto
increaseordecrease
lockingpressure
4.Locklever
PositioningtheFlowBafe
Thefollowingguresareonlyrecommendationsfor
use.Adjustmentswillvarybygrasstype,moisture
content,andheightofgrass.
Note:Iftheenginepowerdrawsdownandthe
mowergroundspeedisthesame,openupthebafe.
PositionA
Thisisthefullrearposition.Thesuggestedusefor
thispositionisafollows.
•Useforshort,lightgrassmowingconditions.
•Useindryconditions.
•Forsmallergrassclippings.
•Propelsgrassclippingsfartherawayfromthe
mower.
13

g016476
Figure14
PositionB
Usethispositionwhenbagging.Alwaysalignitwith
thebloweropening.
g016477
Figure15
PositionC
Thisisthefullopenposition.Thesuggestedusefor
thispositionisasfollows.
•Useintall,densegrassmowingconditions.
•Useinwetconditions.
•Lowerstheenginepowerconsumption.
•Allowsincreasedgroundspeedinheavy
conditions.
g016478
Figure16
AdjustingtheCuttingUnit
Pitch
Cuttingunitpitchisthedifferenceinheightofcutfrom
thefrontofthebladeplanetothebackoftheblade
plane.Useabladepitchof6mm(1/4inch),meaning
thatthebackofthebladeplaneis6mm(1/4inch)
higherthanthefront.
1.Positionthemachineonalevelsurfaceonthe
shopoor.
2.Setthecuttingunittothedesiredheightofcut.
3.Rotate1bladesothatitpointsstraightforward.
4.Usingashortruler,measurefromtheoorto
thefronttipoftheblade.Rotatethebladetipto
therearandmeasurefromtheoortothetip
oftheblade.
5.Subtractthefrontdimensionfromtherear
dimensiontocalculatethebladepitch.
6.Loosenthejamnutsonthebottomofthe
height-of-cutrods(Figure17).
g012232
Figure17
1.Height-of-cutrod2.Jamnut
7.Rotatetheheight-of-cutrodstoraiseorlower
therearofthecuttingunitandattainthecorrect
cuttingunitpitch.
8.Tightenthejamnuts.
14

CorrectingaCuttingUnit
Mismatch
Duetodifferencesingrassconditionsandthe
counterbalancesettingofthetractionunit,itisadvised
thatgrassbecutandappearancecheckedbefore
formalcuttingisstarted.
1.Setthecuttingunittothedesiredheightofcut;
refertoAdjustingtheHeightofCut(page11).
2.Checkandadjustfrontandreartractortire
pressureto138kPa(20psi).
3.Checkandadjustallcastortirepressuresto345
kPa(50psi).
4.Checkforbentblades;refertoCheckingfora
BentBlade(page20).
5.Cutgrassinatestareatodetermineifallcutting
unitsarecuttingatthesameheight.
6.Ifcuttingunitadjustmentsarestillneeded,nda
atsurfaceusinga2m(6ft)orlongerstraight
edge.
7.Toeasemeasuringbladeplane,raisetheheight
ofcuttothehighestposition;refertoAdjusting
theHeightofCut(page11).
8.Lowerthecuttingunitontotheatsurface.
Removethecoversfromthetopofthecutting
units.
9.Rotatethebladeoneachspindleuntiltheends
faceforwardandbackward.
10.Measurefromtheoortothefronttipofthe
cuttingedge.
11.Adjusttheshimsonthecastorfork(s)tomatch
theheightofcuttothedecal;refertoAdjusting
theHeightofCut(page11).
UsingtheSideDischarge
Themowerhasahingedgrassdeectorthat
dispersesclippingstothesideanddowntowardthe
turf.
DANGER
Withoutagrassdeector,dischargecover,or
completegrasscatcherassemblymountedin
place,youandothersareexposedtoblade
contactandthrowndebris.Contactwith
rotatingmowerblade(s)andthrowndebris
willcauseinjuryordeath.
•Neverremovethegrassdeectorfrom
themowerbecausethegrassdeector
routesmaterialdowntowardtheturf.Ifthe
grassdeectoriseverdamaged,replaceit
immediately.
•Neverputyourhandsorfeetunderthe
mower.
•Nevertrytoclearthedischargeareaor
mowerbladesunlessyoumovethepower
takeoff(bladecontrolswitch(PTO)tothe
offposition,rotatetheignitionkeytooff
andremovethekey.
•Makesurethatthegrassdeectorisinthe
downposition.
15

OperatingTips
FastThrottleSetting/Ground
Speed
Tomaintainenoughpowerforthemachineanddeck
whilemowing,operatetheengineatthefastthrottle
positionandadjustyourgroundspeedforconditions.
Decreasethegroundspeedastheloadonthecutting
bladesincreases.Increasethegroundspeedasthe
loadonthebladesdecreases.
MowingDirection
Alternatemowingdirectiontoavoidmakingrutsin
theturfovertime.Thisalsohelpsdisperseclippings
whichenhancesdecompositionandfertilization.
CuttingSpeed
Toimprovecutquality,useaslowergroundspeed.
AvoidCuttingTooLow
Ifthecuttingwidthofthecuttingunitiswiderthanthe
moweryoupreviouslyused,raisethecuttingheightto
ensurethatuneventurfisnotcuttooshort.
SelecttheProperHeight-of-Cut
SettingtoSuitConditions
Removeapproximately1inch(25mm)orno
morethan1/3ofthegrassbladewhencutting.In
exceptionallylushanddensegrass,youmayhaveto
slowdowntheforwardspeedand/orraisetheheight
ofcuttothenexthighersetting.
Important:Ifcuttingmorethan1/3ofthe
grassbladeoff,orinsparselonggrassor
dryconditions,theuseofatsailbladesis
recommendedtoreduceair-bornechaff,debris,
anddeckdrivecomponentstrain.
LongGrass
Ifthegrassiseverallowedtogrowslightlylongerthan
normal,orifitcontainsahighdegreeofmoisture,
raisethecuttingheighthigherthanusualandcutthe
grassatthissetting.Thencutthegrassagainusing
thelower,normalsetting.
KeeptheCuttingUnitClean
Cleanclippingsanddirtfromtheundersideofthe
cuttingunitaftereachuse.Ifgrassanddirtbuildup
insidethecuttingunit,cuttingqualitywilleventually
becomeunsatisfactory.
Toreducetheriskofrehazard,keeptheengine,
mufer,batterycompartment,parkingbrake,cutting
units,andfuelstoragecompartmentfreeofgrass,
leaves,orexcessivegrease.Cleanupanyspilledoil
orfuel.
BladeMaintenance
Maintainasharpbladethroughoutthecuttingseason
becauseasharpbladecutscleanlywithouttearingor
shreddingthegrassblades.Tearingandshredding
turnsgrassbrownattheedges,whichslowsgrowth
andincreasesthechanceofdisease.Checkthe
bladesdailyforsharpness,andforanywearor
damage.Sharpenthebladesasnecessary.Ifablade
isdamagedorworn,replaceitimmediatelywitha
genuineTororeplacementblade.RefertoRemoving
andInstallingtheCutting-UnitBlade(s)(page21).
SettingtheCuttingUnitPitch
Werecommendabladepitchof8mm(5/16inch).A
pitchlargerthan8mm(5/16inch)willresultinless
powerrequired,largerclippings,andapoorerquality
ofcut.Apitchlessthan8mm(5/16inch)willresultin
morepowerrequired,smallerclippingsandabetter
qualityofcut.
16

Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
IntervalMaintenanceProcedure
Aftertherst2hours•Tightenthecastorwheelnuts.
Aftertherst10hours•Tightenthecastorwheelnuts.
Beforeeachuseordaily•Lubricatethecastorarmbushings.
•Lubricatethecastorwheelbearings.
Aftereachuse•Cleanthecuttingunit.
Every50hours
•Lubricatethegreasettings.
•Checkthegearboxlubricant.
•Tightenthecastorwheelnuts.
•Checkthebladedrivebeltadjustment.
•Cleanunderthecuttingunitbeltcovers.
Every400hours•Changethegearboxlubricant.
DailyMaintenanceChecklist
Duplicatethispageforroutineuse.
Fortheweekof: MaintenanceCheckItem
Mon.Tues.Wed.Thurs.Fri.Sat.Sun.
Checkthegrassdeector
inthedownposition(if
applicable).
Checkthetirepressure.
Checktheconditionofthe
blades.
Lubricateallthegrease
ttings.1
Touch-updamagedpaint.
1.Immediatelyaftereverywashing,regardlessoftheintervallisted.
NotationforAreasofConcern
Inspectionperformedby:
ItemDateInformation
CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentlystarttheengineand
seriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionbeforeyoudoanymaintenance.
17

Important:Thefastenersonthecoversofthismachinearedesignedtoremainonthecoverafter
removal.Loosenallthefastenersoneachcoverafewturnssothatthecoverisloosebutstillattached,
thengobackandloosenthemuntilthecovercomesfree.Thispreventsyoufromaccidentallystripping
theboltsfreeoftheretainers.
Lubrication
ServiceInterval:Every50hours
Themachinehasgreasettingsthatmustbe
lubricatedregularlywithNo.2lithiumgrease.
Lubricateallbearingsandbushingsimmediatelyafter
everywashing.
Lubricatethefollowingareas:
•Castorforkshaftbushings(Figure18)
g011557
Figure18
•Spindleshaftbearings(locatedunderthepulley)
(Figure19)
g012234
Figure19
•Idlerarmshaftbearings(Figure19)
•Front-liftarmpivots(Figure20)
g012235
Figure20
•Rear-liftarmpivots(Figure21)
g010550
Figure21
CheckingtheLubricantin
theGearbox
ServiceInterval:Every50hours
Thegearboxisdesignedtooperateoneither
petroleumorsyntheticSAE80W–90gearlube.
Althoughthegearboxisshippedwithlubricantfrom
thefactory,checkthelevelbeforeoperatingthe
cuttingunit.Thegearboxcapacityis283ml(12oz).
1.Positionthemachineandcuttingunitonalevel
surface.
2.Removethedipstick/llplugfromthetopofthe
gearbox(Figure22)andmakesurethatthe
lubricantisbetweenthemarksonthedipstick.If
thelubricantlevelislow,addenoughlubricant
untilthelevelisbetweenthemarks.
18

g010548
Figure22
1.Dipstick/llplug
SeparatingtheCuttingUnit
fromtheTractionUnit
1.Positionthemachineonlevelsurface,lowerthe
cuttingunittotheoor,movetheliftlevertothe
FLOATposition,shutofftheengine,andengage
theparkingbrake.
2.Removetheboltandwashermountedtothetop
ofeachheightofcutrod(Figure23).
g012236
Figure23
1.Height-of-cutrod3.Height-of-cutcollar
2.Boltandwasher4.Hairpincotterandclevis
pin
3.Removethehairpinandclevispinsecuringthe
heightofcutcollartotheheightofcutrodon
therearofthecuttingunit(Figure23).Remove
theheightofcutcollar.
4.Removethehairpincottersandclevispins
securingtheliftarmstothecastorarmbrackets
(Figure24).
g012237
Figure24
1.Liftarm3.Hairpincotter
2.Clevispin4.Castorarmbracket
5.Rollthecuttingunitawayfromthetractionunit,
separatingthemaleandfemalesectionsofthe
PTOshaft(Figure25).
g010552
Figure25
1.PTOshaft
DANGER
IftheengineisstartedandthePTOshaft
isallowedtorotate,seriousinjurycould
result.
Donotstarttheengineandengagethe
PTOleverwhenthePTOshaftisnot
connectedtothegearboxonthecutting
unit.
ServicingtheBushingsin
theCastorArms
Thecastorarmshavebushingspressedintothetop
andbottomofthetube,andaftermanyhoursof
operation,thebushingswear.
Tocheckthebushings,movethecastorforkback
andforthandfromsidetoside.Ifthecastorspindle
19

islooseinsidethebushings,thebushingsareworn;
replacethem.
1.Raisethecuttingunitsothatthewheelsare
offoftheoor.Blockthecuttingunitsothatit
cannotaccidentallyfall.
2.Removethetensioningcap,spacer(s),and
thrustwasherfromthetopofthecastorspindle.
3.Pullthecastorspindleoutofthemountingtube.
Allowthethrustwasherandspacer(s)toremain
onthebottomofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthe
tube(Figure26).Also,drivetheotherbushing
outofthetube.Cleantheinsideofthetubes
toremovedirt.
g004737
Figure26
1.Castorarmtube2.Bushings
5.Applygreasetotheinsideandoutsideofthe
newbushings.Useahammerandatplateto
drivethebushingsintothemountingtube.
6.Inspectthecastorspindleforwearandreplace
itifdamaged.
7.Pushthecastorspindlethroughthebushings
andmountingtube,slidethethrustwasher
andspacer(s)ontothespindle,andinstallthe
tensioningcaponthecastorspindle.
ServicingtheCastor
WheelsandBearings
1.Removethelocknutfromtheboltholdingthe
castorwheelassemblybetweenthecastorfork
(Figure27).Graspthecastorwheelandslide
theboltoutoftheforkorpivotarm.
2.Removethebearingfromthewheelhuband
allowthebearingspacertofallout(Figure27).
Removethebearingfromtheoppositesideof
thewheelhub.
3.Checkthebearings,spacer,andinsideofthe
wheelhubforwear.Replaceanydamaged
parts.
4.Toassemblethecastorwheel,pushthebearing
intothewheelhub.Wheninstallingthebearings,
pressontheouterraceofthebearing.
g004738
Figure27
1.Castorwheel3.Bearings
2.Castorfork4.Bearingspacer
5.Slidethebearingspacerintothewheelhub.
Pushtheotherbearingintotheopenendofthe
wheelhubtocaptivatethebearingspacerinside
thewheelhub.
6.Installthecastorwheelassemblybetweenthe
castorforkandsecureitinplacewiththebolt
andlocknut.
ServicingtheCutting
Blades
BladeSafety
•Inspectthebladeperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
CheckingforaBentBlade
Afterstrikingaforeignobject,inspectthemachine
fordamageandmakerepairsbeforestarting
andoperatingtheequipment.T orqueallofthe
spindle-pulleynutsto176to203N∙m(130to150
ft-lb).
20