Page 1

FormNo.3364-522RevB
CommercialWalk-BehindMower
FloatingDeck,SplitLever,HydroDrivewith
36in,40in,48inor52inTURBOFORCE
CuttingUnit
ModelNo.30484—SerialNo.310000001andUp
®
ModelNo.30486—SerialNo.310000001andUp
ModelNo.30488—SerialNo.310000001andUp
ModelNo.30489—SerialNo.310000001andUp
ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.T oro.com.OriginalInstructions(EN)
Page 2

WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
ThissparkignitionsystemcomplieswithCanadian
ICES-002.
Important:Thisengineisnotequippedwitha
sparkarrestermufer.ItisaviolationofCalifornia
PublicResourceCodeSection4442touseoroperate
theengineonanyforest-covered,brush-covered,or
grass-coveredland.Otherstatesorfederalareas
mayhavesimilarlaws.
Figure1
1.Modelandserialnumberlocation
Theenclosed
Engine Owner’ s Man ual
issupplied
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCalifornia
EmissionControlRegulationofemissionsystems,
maintenance,andwarranty.Replacementsmaybe
orderedthroughtheenginemanufacturer.
Introduction
Thisrotary-blade,lawnmowerisintendedtobe
usedbyresidentialhomeownersorprofessional,
hiredoperators.Itisdesignedprimarilyforcutting
grassonwell-maintainedlawnsonresidential
orcommercialproperties.Itisnotdesignedfor
cuttingbrushorforagriculturaluses.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperating
theproductproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comfor
productandaccessoryinformation,helpndinga
dealer,ortoregisteryourproduct.
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafetyalertsymbol
(Figure2),whichsignalsahazardthatmaycauseserious
injuryordeathifyoudonotfollowtherecommended
precautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2otherwordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready .
Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
©2010—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contents
Introduction.................................................................2
Safety...........................................................................4
SafeOperatingPractices.......................................4
ToroMowerSafety...............................................5
SlopeIndicator.....................................................7
SafetyandInstructionalDecals.............................8
ProductOverview......................................................11
Controls.............................................................11
Contactusatwww.Toro.com.
2
PrintedintheUSA.
AllRightsReserved
Page 3

Specications.....................................................12
Operation...................................................................13
AddingFuel.......................................................13
CheckingtheEngineOilLevel............................14
ThinkSafetyFirst...............................................14
OperatingtheParkingBrake...............................14
StartingandStoppingtheEngine........................14
OperatingtheMowerBladeControl
(PTO)............................................................15
TheSafetyInterlockSystem................................16
DrivingForwardorBackward.............................16
StoppingtheMachine.........................................17
PushingtheMachinebyHand.............................17
TransportingMachines.......................................18
SideDischargingorMulchingtheGrass..............18
AdjustingtheHeight-of-Cut...............................18
AdjustingtheAnti-ScalpRollers.........................19
AdjustingtheFlowBafe...................................20
PositioningtheFlowBafe.................................20
UsingtheMid-SizeWeight..................................22
Maintenance...............................................................23
RecommendedMaintenanceSchedule(s)................23
Lubrication.............................................................24
HowtoGrease...................................................24
LubricatingtheBearings.....................................24
GreasingthePTODriveBeltIdlerandMower
DeckBeltIdler...............................................24
EngineMaintenance...............................................25
ServicingtheAirCleaner....................................25
ServicingtheEngineOil.....................................26
ServicingtheSparkPlugs....................................27
FuelSystemMaintenance.......................................28
DrainingtheFuelTank.......................................28
ServicingtheFuelFilter......................................29
ElectricalSystemMaintenance................................30
ServicingtheBattery...........................................30
ServicingtheFuses.............................................32
DriveSystemMaintenance.....................................33
AdjustingtheTracking.......................................33
CheckingtheTirePressure.................................33
ReplacingtheCasterWheelFork
Bushings........................................................33
ServicingtheCasterWheelandBearings.............34
AdjustingtheElectricClutch..............................34
CoolingSystemMaintenance..................................35
CleaningtheAirIntakeScreen............................35
BrakeMaintenance.................................................36
ServicingtheBrake.............................................36
BeltMaintenance....................................................37
ReplacingtheMowerBelt...................................37
ReplacingthePTODriveBelt.............................37
AdjustingthePTODriveBeltIdlerSpring
Anchor...........................................................38
ReplacingthePumpDriveBelt...........................39
ControlsSystemMaintenance.................................40
AdjustingtheMotionControlHandle
Positions........................................................40
HydraulicSystemMaintenance...............................42
ServicingtheHydraulicSystem...........................42
MowerDeckMaintenance......................................44
ServicingtheCuttingBlades...............................44
CorrectingtheMowerQualityofCut..................47
FrameSetUp.....................................................47
CheckingtheMowerDeckFront-to-Rear
Pitch...............................................................49
ChangingtheMowerDeckFront-to-Rear
Pitch...............................................................49
CheckingtheMowerDeckSide-to-Side
Height............................................................50
ChangingtheMowerDeckSide-to-Side
Height............................................................50
MatchingHeightofCut......................................50
ReplacingtheGrassDeector.............................51
Cleaning.................................................................52
CleaningUndertheMower.................................52
WasteDisposal...................................................52
Storage.......................................................................52
CleaningandStorage..........................................52
Troubleshooting.........................................................54
Schematics.................................................................56
3
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Safety
Note:Theadditionofattachmentsmadeby
othermanufacturersthatdonotmeetAmerican
NationalStandardsInstitutecerticationwillcause
noncomplianceofthismachine.
Improperuseormaintenancebytheoperatororowner
canresultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructionsandalwayspay
attentiontothesafetyalertsymbol,whichmeans
CAUTION,WARNING,orDANGER-“personalsafety
instruction."Failuretocomplywiththeinstructionmay
resultinpersonalinjuryordeath.
–Neverremovegascaporaddfuelwithengine
running.Allowenginetocoolbeforerefueling.
Donotsmoke.
–Neverrefuelordrainthemachineindoors.
•Checkthatoperator’spresencecontrols,safety
switchesandshieldsareattachedandfunctioning
properly.Donotoperateunlesstheyarefunctioning
properly.
Operation
•Lightningcancausesevereinjuryordeath.If
lightningisseenorthunderisheardinthearea,do
notoperatethemachine;seekshelter.
SafeOperatingPractices
ThefollowinginstructionsarefromANSIstandard
B71.4-2004.
Training
•ReadtheOperator’sManualandothertraining
material.Iftheoperator(s)ormechanic(s)cannot
readEnglishitistheowner’sresponsibilitytoexplain
thismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.The
ownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperateor
servicetheequipment.Localregulationsmayrestrict
theageoftheoperator.
•Theowner/usercanpreventandisresponsiblefor
accidentsorinjuriesoccurringtohimselforherself,
otherpeopleorproperty.
•Neverrunanengineinanenclosedarea.
•Onlyoperateingoodlight,keepingawayfromholes
andhiddenhazards.
•Besurealldrivesareinneutralandparkingbrakeis
engagedbeforestartingengine.Onlystartengine
fromtheoperator’sposition.
•Besureofyourfootingwhileusingthismachine,
especiallywhenbackingup.Walk,don’trun.Never
operateonwetgrass.Reducedfootingcouldcause
slipping.
•Slowdownanduseextracareonhillsides.Besure
totravelsidetosideonhillsides.Turfconditions
canaffectthemachine’ sstability.Usecautionwhile
operatingneardrop-offs.
•Slowdownandusecautionwhenmakingturnsand
whenchangingdirectionsonslopes.
•Neverraisedeckwiththebladesrunning.
•NeveroperatewiththePTOshield,orotherguards
notsecurelyinplace.Besureallinterlocksare
attached,adjustedproperly,andfunctioningproperly .
Preparation
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyand
safelyperformthejob.Onlyuseaccessoriesand
attachmentsapprovedbythemanufacturer.
•Wearappropriateclothingincludinghardhat,safety
glassesandhearingprotection.Longhair,loose
clothingorjewelrymaygettangledinmovingparts.
•Inspecttheareawheretheequipmentistobeused
andremoveallobjectssuchasrocks,toysandwire
whichcanbethrownbythemachine.
•Useextracarewhenhandlinggasolineandother
fuels.Theyareammableandvaporsareexplosive.
–Useonlyanapprovedcontainer
•Neveroperatewiththedischargedeectorraised,
removedoraltered,unlessusingagrasscatcher.
•Donotchangetheenginegovernorsettingor
overspeedtheengine.
•Stoponlevelground,disengagedrives,engage
parkingbrake,shutoffenginebeforeleavingthe
operator’spositionforanyreasonincludingemptying
thecatchersoruncloggingthechute.
•Stopequipmentandinspectbladesafterstriking
objectsorifanabnormalvibrationoccurs.Make
necessaryrepairsbeforeresumingoperations.
•Keephandsandfeetawayfromthecuttingunit.
•Lookbehindanddownbeforebackinguptobesure
ofaclearpath.
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•Keeppetsandbystandersaway.
•Slowdownandusecautionwhenmakingturnsand
crossingroadsandsidewalks.Stopbladesifnot
mowing.
•Beawareofthemowerdischargedirectionanddo
notpointitatanyone.
•Donotoperatethemowerundertheinuenceof
alcoholordrugs.
•Usecarewhenloadingorunloadingthemachine
intoorfromatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
Maintenanceandstorage
•Disengagedrives,setparkingbrake,stopengineand
removekeyordisconnectsparkplugwire.Waitfor
allmovementtostopbeforeadjusting,cleaningor
repairing.
•Cleangrassanddebrisfromcuttingunit,drives,
mufers,andenginetohelppreventres.Cleanup
oilorfuelspillage.
•Letenginecoolbeforestoringanddonotstorenear
ame.
•Shutofffuelwhilestoringortransporting.Donot
storefuelnearamesordrainindoors.
•Parkmachineonlevelground.Setparkingbrake.
Neverallowuntrainedpersonneltoservicemachine.
•Usejackstandstosupportcomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Disconnectthebatteryorremovesparkplugwire
beforemakinganyrepairs.Disconnectthenegative
terminalrstandthepositivelast.Reconnectthe
positiverstandnegativelast.
•Usecarewhencheckingblades.Wraptheblade(s)or
weargloves,andusecautionwhenservicingthem.
Onlyreplaceblades.Neverstraightenorweldthem.
•Keephandsandfeetawayfrommovingparts.If
possible,donotmakeadjustmentswiththeengine
running.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
ToroMowerSafety
Thefollowinglistcontainssafetyinformationspecic
toToroproductsandothersafetyinformationyoumust
know .
Thisproductiscapableofamputatinghandsand
feetandthrowingobjects.Alwaysfollowallsafety
instructionstoavoidseriousinjuryordeath.
Thisproductisdesignedforcuttingandrecyclinggrass
or,whenequippedwithagrassbagger,forcatching
cutgrass.Anyuseforpurposesotherthanthesecould
provedangeroustouserandbystanders.
GeneralOperation
•Besuretheareaisclearofotherpeoplebefore
mowing.Stopthemachineifanyoneentersthearea.
•Donottouchequipmentorattachmentpartswhich
maybehotfromoperation.Allowtocoolbefore
attemptingtomaintain,adjustorservice.
•UseonlyToroapprovedattachments.W arrantymay
bevoidedifusedwithunapprovedattachments.
•Checkcarefullyforoverheadclearances(i.e.
branches,doorways,electricalwires)before
operatingunderanyobjectsanddonotcontact
them.
SlopeOperation
Allslopesandrampsrequireextracaution.Ifyoufeel
uneasyonaslope,donotmowit.
•Removeobstaclessuchasrocks,treelimbs,etc.from
themowingarea.
•Watchforholes,rutsorbumps.Tallgrasscanhide
obstacles.
•Usecautionneardrop-offs,ditches,orembankments.
Themachinecouldsuddenlyturnoverifawheel
goesovertheedgeofaclifforditch,orifanedge
cavesin.
•Useextracarewithgrasscatchersorother
attachments.Thesecanchangethestabilityofthe
machine.
•Keepallmovementonslopesslowandgradual.Do
notmakesuddenchangesinspeedordirection.
•Mowslopessidetoside.
•Donotmowslopesgreaterthan20degrees.
Service
•Neverstorethemachineorfuelcontainerinside
wherethereisanopename,suchasnearawater
heaterorfurnace.
•Keepnutsandboltstight,especiallytheblade
attachmentbolts.Keepequipmentingood
condition.
•Nevertamperwithsafetydevices.Checksafety
systemsforproperoperationbeforeeachuse.
5
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•Useonlygenuinereplacementpartstoensurethat
originalstandardsaremaintained.
•Checkbrakeoperationfrequently.Adjustandservice
asrequired.
6
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SlopeIndicator
Figure3
Thispagemaybecopiedforpersonaluse.
1.Themaximumslopeyoucansafelyoperatethemachineonis20degrees.Usetheslopecharttodeterminethedegreeofslope
ofhillsbeforeoperating.Donotoperatethismachineonaslopegreaterthan20degrees.Foldalongtheappropriateline
tomatchtherecommendedslope.
2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.
3.Exampleofhowtocompareslopewithfoldededge.
7
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SafetyandInstructional
Decals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.
98-5954
43-8480
BatterySymbols
Someorallofthesesymbolsareonyourbattery
1.Explosionhazard
2.Nore,opename,or
smoking.
66-1340
3.Causticliquid/chemical
burnhazard
4.Weareyeprotection9.Flusheyesimmediately
5.ReadtheOperator’s
Manual.
6.Keepbystandersasafe
distancefromthebattery.
7.Weareyeprotection;
explosivegasescan
causeblindnessandother
injuries
8.Batteryacidcancause
blindnessorsevereburns.
withwaterandgetmedical
helpfast.
10.Containslead;donot
discard.
68-8340
104-8185
36inmowerdecks
98-0776
8
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104-8186
40inandlargermowerdecks
104-8569
Manufacturer’sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal
machinemanufacturer.
110-2067
110-2068
105-7798
1.ReadtheOperator’sManual.
106-0635
112-8720
106-0699
9
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115-4212
1.Hydraulicoillevel3.Warning—donottouch
thehotsurface.
2.ReadtheOperator’s
Manual.
1.Interval
2.PowerT ake-off(PTO)
3.Parkingbrake
4.Neutral
5.Operatorpresenceswitch
6.Battery
115-4186
115–4179
1.Movethemotioncontrollevertotheneutralposition,thenpull
outonPTO(PowerTakeOff)switchtoengagetheblades.
2.PushinonthePTO(PowerT akeOff)todisengagetheblades.7.Thrownobjecthazard—keepbystandersasafedistancefrom
3.Warning—readtheOperator’sManual.8.Thrownobjecthazard—keepdeectorinplace.
4.Warning—donotoperatethismachineunlessyouaretrained.
5.Warning—stoptheengineandremovethesparkplugwire
beforeperforminganymaintenanceonthemachine.
6.Warning—stoptheenginebeforeleavingthemachine.
themachine.
9.Cutting,dismembermenthazardofhandorfoot—stayaway
frommovingparts;keepallguardsandshieldsinplace.
1.Fast2.Enginespeed
115–4189
3.Slow4.Choke
10
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1.Tractioncontrol
2.Fast4.Neutral
ProductOverview
Figure4
1.Sidedischargechute
2.Engine6.Mowerdeck
3.Gastank
4.Controls
5.Parkingbrake
7.Frontcasterwheel
114-3424
3.Slow
1.Ignitionswitch
2.Leftmotioncontrollever7.Neutrallockpositionfor
3.Throttlecontrol8.Rightmotioncontrollever
4.Hourmeter
5.Fueltank
5.Reverse
6.DisengagethePTO(PowerTakeOff)
Figure5
6.Choke
rightmotioncontrollever
9.bladecontrolswitch(PTO)
10.Operatormanualtube
HourMeter
Controls
Becomefamiliarwithallthecontrols(Figure5)before
youstarttheengineandoperatethemachine.
Thehourmeterrecordsthenumberofhourstheengine
hasoperated.Itoperateswhentheengineisrunning.
Usethesetimesforschedulingregularmaintenance
Figure6).
(
SafetyInterlockIndicators
Therearesymbolsonthehourmeterandindicatewith
ablacktrianglethattheinterlockcomponentisinthe
correctposition(Figure6).
BatteryIndicatorLight
WhentheignitionkeyisinitiallyturnedtotheOn
position,thebatteryvoltagewillbedisplayedinthearea
wherethehoursarenormallydisplayed.
Thebatterylightturnsonwhentheignitionisturned
onandwhenthechargeisbelowthecorrectoperating
level(
Figure6).
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Figure6
1.Safetyinterlocksymbols
2.Batterylight
3.Hourmeter
ThrottleControl
Thethrottlecontrolhastwopositions:FastandSlow.
enhanceandexpanditscapabilities.Contactyour
AuthorizedServiceDealerorDistributororgoto
www.Toro.comforalistofallapprovedattachments
andaccessories.
Specications
Note:Specicationsanddesignaresubjecttochange
withoutnotice.
36inchmowers:
Widthwithdeectordown51–1/8inches(130cm)
Length
Height
Weight
78–1/2inches(199cm)
46inches(117cm)
667lb(303kg)
Choke
Usethechoketostartacoldengine.
BladeControlSwitch(PTO)
Thebladecontrolswitch(PTO)isusedtoengage
theelectricclutchtodrivethemowerbladeswiththe
rightsidemotioncontrolleverinthecenter,un-locked
position.Pulltheswitchuptoengagethebladesand
release.Todisengagetheblades,pushthebladecontrol
switch(PTO)downormoveorreleasetherightside
motioncontrolleverintotheneutrallockposition.
IgnitionSwitch
Thisswitchisusedtostartthemowerengineandhas
threepositions:Start,RunandOff.
MotionControlLevers
Themotioncontrolleversareusedtodrivethemachine
forward,reverse,andturneitherdirection.
40inchmowers:
Widthwithdeectordown55–1/2inches(141cm)
Length
Height
Weight
75–3/8inches(192cm)
46inches(117cm)
667lb(303kg)
48inchmowers:
Widthwithdeectordown63–1/2inches(161cm)
Length
Height
Weight
77–3/4inches(198cm)
46inches(117cm)
682lb(309kg)
52inchmowers:
Widthwithdeectordown67–5/8inches(171.7cm)
Length
Height
Weight
77–3/4inches(198cm)
46inches(117cm)
721lb(327kg)
NeutralLockPosition
Theneutrallockpositionisusedwiththesafetyinterlock
systemtoengageanddisengagethemowerbladesand
todetermineneutralposition.
FuelShut-offValve
Closethefuelshut-offvalve(underthefueltank)when
transportingorstoringthemower.
Attachments/Accessories
AselectionofToroapprovedattachmentsand
accessoriesareavailableforusewiththemachineto
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Operation
AddingFuel
UseUnleadedRegularGasolinesuitablefor
automotiveuse(85pumpoctaneminimum).Leaded
regulargasolinemaybeusedifunleadedregularisnot
available.
Important:Neverusemethanol,gasoline
containingmethanol,orgasoholcontainingmore
than10%ethanolbecausethefuelsystemcouldbe
damaged.Donotmixoilwithgasoline.
DANGER
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Fillthefueltankoutdoors,inanopenarea,
whentheengineiscold.Wipeupanygasoline
thatspills.
•Neverllthefueltankinsideanenclosedtrailer.
•Donotllthefueltankcompletelyfull.Add
gasolinetothefueltankuntilthelevelis1/4to
1/2inch(6to13mm)belowthebottomofthe
llerneck.Thisemptyspaceinthetankallows
gasolinetoexpand.
•Neversmokewhenhandlinggasoline,andstay
awayfromanopenameorwheregasoline
fumesmaybeignitedbyaspark.
•Storegasolineinanapprovedcontainerand
keepitoutofthereachofchildren.Neverbuy
morethana30-daysupplyofgasoline.
•Donotoperatewithoutentireexhaustsystem
inplaceandinproperworkingcondition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleasedcausingasparkwhich
canignitethegasolinevapors.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Alwaysplacegasolinecontainersontheground
awayfromyourvehiclebeforelling.
•Donotllgasolinecontainersinsideavehicle
oronatruckortrailerbedbecauseinterior
carpetsorplastictruckbedlinersmayinsulate
thecontainerandslowthelossofanystatic
charge.
•Whenpractical,removegas-powered
equipmentfromthetruckortrailerandrefuel
theequipmentwithitswheelsontheground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfromaportable
container,ratherthanfromagasolinedispenser
nozzle.
•Ifagasolinedispensernozzlemustbeused,
keepthenozzleincontactwiththerimofthe
fueltankorcontaineropeningatalltimesuntil
fuelingiscomplete.
WARNING
Gasolineisharmfulorfatalifswallowed.
Long-termexposuretovaporscancauseserious
injuryandillness.
•Avoidprolongedbreathingofvapors.
•Keepfaceawayfromnozzleandgastankor
conditioneropening .
•Keepgasawayfromeyesandskin.
UsingStabilizer/Conditioner
Useafuelstabilizer/conditionerinthemachineto
providethefollowingbenets:
•Keepsgasolinefreshduringstorageof90daysor
less.Forlongerstorageitisrecommendedthatthe
fueltankbedrained.
•Cleanstheenginewhileitruns
•Eliminatesgum-likevarnishbuildupinthefuel
system,whichcauseshardstarting
Important:Donotusefueladditives
containingmethanolorethanol.
Addthecorrectamountofgas
stabilizer/conditionertothegas.
13
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Note:Afuelstabilizer/conditionerismost
effectivewhenmixedwithfreshgasoline.To
minimizethechanceofvarnishdepositsinthefuel
system,usefuelstabilizeratalltimes.
CAUTION
Childrenorbystandersmaybeinjuredifthey
moveorattempttooperatethemachinewhileit
isunattended.
FillingtheFuelT ank
1.Shuttheengineoffandsettheparkingbrake.
2.Cleanaroundfueltankcapandremovethecap.
Addunleadedregulargasolinetofueltank,untilthe
levelis1/4to1/2inch(6to13mm)belowthe
bottomofthellerneck.Thisspaceinthetank
allowsgasolinetoexpand.Donotllthefueltank
completelyfull.
3.Installfueltankcapsecurely.Wipeupanygasoline
thatmayhavespilled.
CheckingtheEngineOilLevel
Beforeyoustarttheengineandusethemachine,check
theoillevelintheenginecrankcase;refertoChecking
OilLevelinEngineMaintenance.
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Alwaysremovetheignitionkeyandsettheparking
brakewhenleavingthemachineunattended,even
ifjustforafewminutes.
SettingtheParkingBrake
Pulltheparkingbrakeleverrearward(Figure7).
ThinkSafetyFirst
Carefullyreadallthesafetyinstructionsanddecalsin
thesafetysection.Knowingthisinformationcould
helpyouoranybystandersavoidinjury.
Theuseofprotectiveequipmentforeyes,hearing,feet
andheadisrecommended.
CAUTION
Thismachineproducessoundlevelsinexcessof
85dBAattheoperator’searandcancausehearing
lossthroughextendedperiodsofexposure.
Wearhearingprotectionwhenoperatingthis
machine.
OperatingtheParkingBrake
Alwayssettheparkingbrakewhenyoustopthe
machineorleaveitunattended.Beforeeachuse,check
theparkingbrakeforproperoperation.
Iftheparkingbrakedoesnotholdsecurely,adjustit.
RefertoServicingtheParkingBrake.
Figure7
1.Parkingbrakelever(inthe
releasedposition)
2.Parkingbrakelever(inthe
engagedposition)
ReleasingtheParkingBrake
Pushtheparkingbrakeleverforward.
StartingandStoppingthe
Engine
StartingtheEngine
1.Connectthewirestothesparkplugs.
2.Openthefuelvalve.
3.Settheparkingbrake.
4.Movethethrottlecontroltofastandmovethe
chokelevertotheonpositionbeforestartingacold
engine(Figure8).
Note:Awarmorhotenginemaynotrequire
choking.Tostartawarmengine,movethrottle
controlmidwaybetweenthefastandslow
positions.
14
Page 15

Figure8
1.Ignitionswitch
2.Throttlelever
3.Choke
5.Turntheignitionkeytothestartpositionto
energizethestarter.Whentheenginestarts,release
thekey .
Note:Donotengagethestarterformorethan
5secondsatatime.Iftheenginefailstostart,
allowfora15secondcool-downperiodbetween
attempts.Failuretofollowtheseinstructionscan
burnoutthestartermotor.
OperatingtheMowerBlade
Control(PTO)
Thebladecontrolswitch(PTO)isusedinconjunction
withtherightsidemotioncontrollevertoengageand
disengagethemowerblades.
EngagingtheMowerBlades(PTO)
1.Toengagethemowerblades,movetherightside
motioncontrollevertothecenter,un-locked
position(Figure9).
2.Pullthebladecontrolswitch(PTO)upandrelease
itwhileholdingdowntherightsidemotioncontrol
leverinthecenter,un-lockedposition.
6.Whenenginestarts,movethethrottlecontrol
betweenthefastandslowpositionandmovethe
chokelevertotheoffposition.Allowtheengine
towarmupandthenmovethethrottlecontrolto
thefastposition.
StoppingtheEngine
1.Movethemotioncontrolleverstoneutralandmove
therightsidemotioncontrolleverintotheneutral
lockposition.
2.Movethethrottlelevertoslow(Figure8).
3.Iftheenginehasbeenworkinghardorishot,let
theengineidlefor30to60secondsbeforeturning
theengineoff.
4.Tostoptheengine,turntheignitionkeytooff.
Important:Makesurefuelshutoffvalve
isclosedbeforetransportingorstoringthe
machine,asfuelleakagemayoccur.Before
storingthemachine,pullwireoffsparkplug(s)
topreventpossibilityofaccidentalstarting.
Figure9
1.Bladecontrolswitch(PTO)
2.Rightsidemotioncontrol
leverpusheddownintothe
center,un-lockedposition
3.Rightmotioncontrollever
inneutrallockposition
4.Leftmotioncontrollever
DisengagingtheMowerBlades(PTO)
Thefollowingaretwooptionsfordisengagingthe
mowerblades.
•Pushthebladecontrolswitch(PTO)downtothe
offposition.
•Movethemotioncontrolleverstoneutralandmove
therightsidemotioncontrolleverintotheneutral
lockposition.
15
Page 16

TheSafetyInterlockSystem
CAUTION
Ifsafetyinterlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
UnderstandingtheSafetyInterlock
System
Thesafetyinterlocksystemisdesignedtopreventthe
mowerbladesfromrotatingunless:
•Therightsidemotioncontrolleverismovedtothe
center,un-lockedposition.
•Thebladecontrolswitch(PTO)ispulledon.
Thesafetyinterlocksystemisdesignedtostopthe
mowerbladesifyoumoveorreleasetherightside
motioncontrolleverintotheneutrallockposition.
Thehourmeterhassymbolstonotifytheuserwhen
theinterlockcomponentisinthecorrectposition.
Whenthecomponentisinthecorrectposition,a
trianglewilllightupinthecorrespondingsquare.
2.Settheparkingbrake.
3.Movetherightsidemotioncontrollevertothe
center,un-lockedposition.Thebladesshould
notrotate.
4.Movethemotioncontrolleversforward.The
engineshouldkill.
5.Starttheengineandreleasetheparkingbrake.
6.Movetherightsidemotioncontrollevertothe
center,un-lockedposition.
7.Continueholdingtherightsidemotioncontrollever
inthecenter,un-lockedpositionandpulluponthe
bladecontrolswitch(PTO)andrelease.Theclutch
shouldengageandthemowerbladesbeginrotating.
8.Moveorreleasetherightsidemotioncontrollever
intotheneutrallockposition.Thebladesshould
stoprotating.
9.Movetherightsidemotioncontrollevertothe
center,un-lockedposition.
10.Continueholdingtherightsidemotioncontrollever
inthecenter,un-lockedpositionandpulluponthe
bladecontrolswitch(PTO)andrelease.Theclutch
shouldengageandthemowerbladesbeginrotating.
11.Pushthebladecontrolswitch(PTO)downtothe
offposition.Thebladesshouldstoprotating.
12.Withtheenginerunning,pullupthebladecontrol
switch(PTO)andreleasewithoutholdingright
sidemotioncontrollevertothecenter,un-locked
position.Thebladesshouldnotrotate.
Figure10
1.Triangleslightupwhentheinterlockcomponentsareinthe
correctposition
TestingtheSafetyInterlockSystem
ServiceInterval:Beforeeachuseordaily
Testthesafetyinterlocksystembeforeyouusethe
machineeachtime.
Note:Ifthesafetysystemdoesnotoperateas
describedbelow,haveanAuthorizedServiceDealer
repairthesafetysystemimmediately .
1.Starttheengine;refertoStartingandStoppingthe
Enginein
Operation(page13).
DrivingForwardorBackward
Thethrottlecontrolregulatestheenginespeedas
measuredinrpm(revolutionsperminute).Place
thethrottlecontrolinthefastpositionforbest
performance.Alwaysoperateinthefullthrottle
positionwhenmowing.
CAUTION
Machinecanspinveryrapidly.Operatormaylose
controlofmachineandcausepersonalinjuryor
damagetomachine.
•Usecautionwhenmakingturns.
•Slowthemachinedownbeforemakingsharp
turns.
DrivingForward
1.Releasetheparkingbrake;refertoReleasingthe
ParkingBrakeinOperation(page13).
16
Page 17

2.Movetherightsidemotioncontrollevertothe
center,un-lockedposition.
theneutrallockposition,disengagethepowertakeoff
(PTO),andturntheignitionkeytooff.
3.Togoforward,slowlypushthemotioncontrol
leversforward(Figure11).
Note:Theenginewillkillifthetractioncontrol
leversaremovedwiththeparkingbrakeengaged.
Togostraight,applyequalpressuretobothmotion
controllevers(
Toturn,movethemotioncontrollevertoward
neutralinthedirectionyouwanttoturn(Figure11).
Thefartheryoumovethetractioncontrolleversin
eitherdirection,thefasterthemachinewillmovein
thatdirection.
Tostop,pullthemotioncontrolleversbacktothe
neutralposition.
Figure11).
Settheparkingbrakewhenyouleavethemachine;refer
toSettingtheParkingBrakein
Remembertoremovethekeyfromtheignitionswitch.
Operation(page13).
CAUTION
Childrenorbystandersmaybeinjuredifthey
moveorattempttooperatethetractorwhileitis
unattended.
Alwaysremovetheignitionkeyandsettheparking
brakewhenleavingthemachineunattended,even
ifjustforafewminutes.
PushingtheMachinebyHand
Theby-passvalvesallowthemachinetobepushedby
handwithouttheenginerunning.
Important:Alwayspushthemachinebyhand.
Nevertowthemachinebecausehydraulicdamage
mayoccur.
Figure11
1.Forward2.Backward
DrivingBackward
1.Movetherightsidemotioncontrollevertothe
center,un-lockedposition.
2.Togobackward,slowlypullthemotioncontrol
leversrearward(Figure11).
Togostraight,applyequalpressuretobothmotion
controllevers(Figure11).
Toturn,releasepressureonthemotioncontrollever
towardthedirectionyouwanttoturn(Figure11).
ToPushtheMachine
1.DisengagethePTO,movethemotioncontrol
leverstotheneutrallockedpositionandsetthe
parkingbrake.
2.Opentheby-passvalveonbothpumpsbyturning
themcounterclockwise1to2turns.Thisallows
hydraulicuidtoby-passthepumpsandthewheels
toturn(
Note:Rotatetheby-passvalvesamaximumof2
turnssothevalvedoesnotcomeoutofthebody
causinguidtorunout.
Figure12).
Tostop,pushthemotioncontrolleverstothe
neutralposition.
StoppingtheMachine
Tostopthemachine,movethemotioncontrolleversto
neutral,movetherightsidemotioncontrolleverinto
17
Page 18

1.Pumpby-passvalve
Figure13
1.Tractionunittiedownloop
Figure12
SideDischargingorMulching
3.Releasetheparkingbrake.
4.Pushthemachinetothedesiredlocation.
5.Settheparkingbrake.
6.Closetheby-passvalves,butdonotovertighten
them.
Important:Donotstartoroperatethe
machinewiththeby-passvalvesopen.Damage
tosystemmayoccur.
TransportingMachines
Useaheavy-dutytrailerortrucktotransportthe
machine.Ensurethatthetrailerortruckhasall
necessarybrakes,lighting,andmarkingasrequiredby
law .Pleasecarefullyreadallthesafetyinstructions.
Knowingthisinformationcouldhelpyou,yourfamily,
petsorbystandersavoidinjury.
Totransportthemachine:
1.Ifusingatrailer,connectittothetowingvehicle
andconnectthesafetychains.
2.Ifapplicable,connectthetrailerbrakes.
theGrass
Thismowerhasahingedgrassdeectorthatdisperses
clippingstothesideanddowntowardtheturf.
DANGER
Withoutthegrassdeector,dischargecover,or
completegrasscatcherassemblymountedin
place,youandothersareexposedtobladecontact
andthrowndebris.Contactwithrotatingmower
blade(s)andthrowndebriswillcauseinjuryor
death.
•Neverremovethegrassdeectorfromthe
mowerbecausethegrassdeectorroutes
materialdowntowardtheturf.Ifthe
grassdeectoriseverdamaged,replaceit
immediately.
•Neverputyourhandsorfeetunderthemower.
•Nevertrytocleardischargeareaormower
bladesunlessyoureleasethebailandthepower
takeoff(PTO)isoff.Rotatetheignitionkeyto
Off.Alsoremovethekeyandpullthewire(s)
offthesparkplug(s).
3.Loadthemachineontothetrailerortruck.
4.Stoptheengine,removethekey,setthebrake,and
closethefuelvalve.
5.Usethemetaltiedownloopsonthemachineto
securelyfastenthemachinetothetrailerortruck
withstraps,chains,cable,orropes(
6.Fastenthefrontofthemachinetothetraileror
truckwithstraps,chains,cable,orropes.
Figure13).
AdjustingtheHeight-of-Cut
Theheight-of-cutcanbeadjustedfrom1to4-1/2
inch(25to114mm)in1/4inch(6mm)increments.
Adjustmentisdonebyrelocatingfourhairpincotter
pinsindifferentholelocationandbyaddingor
removingspacers.
Note:Allheight-of-cutpinsneedatleastonespacer
ordamagecanoccurtobushingifnoneareused.
Note:Allheight-of-cutpinscanusetwospacers
maximum.
18
Page 19

1.Selectholeinheight-of-cutpostandnumberof
spacerscorrespondingtotheheight-of-cutdesired
(Figure14).
2.Usingthelifthandle,raisesideofdeckandremove
hairpincotter(
Figure14).
3.Addorremovespacersifneededandthenalign
holesandinserthairpincotter(Figure14).
(10mm)clearanceabovetheground(Figure15,
Figure16,Figure17).
2.Ifadjustmentisneeded,removethebolt,washers
andnut(
Figure15,Figure16,Figure17).
3.Selectaholepositionsotheanti-scalprollersare
aminimumof3/8inch(10mm)offtheground
(Figure15,Figure16,Figure17).
Note:Spareheight-of-cutspacersmaybestored
onpostsandretainedbyahairpincotter.
Important:Allfourhairpincotterpinsmustbe
inthesameholelocationandwiththecorrect
numberofspacersforalevelcut.
4.Installtheboltandnut(Figure15,Figure16,
Figure17).
Figure15
40inch,48inch,and52inchMowerDecks
1.Mowerdeck
2.Bolt5.Nut
3.Spacer
4.Anti-ScalpRollers
Figure14
1.CarrierFrame4.Spacers
2.HairpinCotter5.Frontheight-of-cutpost
3.Backheight-of-cutpost
AdjustingtheAnti-Scalp
Rollers
Theanti-scalprollersneedtobeadjustedintheproper
holelocationforeachheight-of-cutposition.There
needstobe3/8inch(10mm)minimumclearance
abovetheground.
Note:Iftheanti-scalprollersareadjustedtoolowit
cancauseexcesswearoftherollers.
1.Afteradjustingheight-of-cut,checktheanti-scalp
rollerssothatthereisaminimumof3/8inch
19
Page 20

Figure16
40inch,48inch,and52inchMowerDecks
1.Mowerdeck4.Bushing
2.Bolt
3.Spacer
5.Anti-ScalpRollers
6.Nut
1.DisengagethePTO,movethemotioncontrol
leverstotheneutrallockedpositionandsetthe
parkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Toadjustthecamlock,swingtheleveruptoloosen
thecamlock(
Figure18).
4.Adjustthebafeandcamlockintheslottothe
desireddischargeow .
5.Swingtheleverbackovertotightenthebafeand
camlock(
Figure18).
6.Ifthecamdoesnotlockthebafeintoplaceoritis
tootight,loosentheleverandthenrotatethecam
lock.Adjustthecamlockuntilthedesiredlocking
pressureisachieved.
Figure17
36inchMowerDeck
1.Mowerdeck
2.Bolt5.Nut
3.Spacer
4.Anti-ScalpRollers
5.Incertainmowingconditionsandterrain,a
mismatchofcuttingheightmaybeseen.Adjusting
theoutsideanti-scalprollerstotheminimumsetting
of3/8inch(10mm)willhelppreventthemower
deckcuttingtoolowontheoutsideandminimize
themismatch.
AdjustingtheFlowBafe
Themowerdischargeowcanbeadjustedfordifferent
typesofmowingconditions.Positionthecamlockand
bafetogivethebestqualityofcut.
Figure18
1.Camlock
2.Lever
3.Rotatecamtoincreaseor
decreaselockingpressure
4.Slot
PositioningtheFlowBafe
Thefollowingguresareonlyrecommendationsfor
use.Adjustmentswillvarybygrasstype,moisture
content,andheightofgrass.
Note:Iftheenginepowerdrawsdownandthemower
groundspeedisthesame,openupthebafe.
PositionA
Thisisthefullrearposition(seeFigure19).The
suggesteduseforthispositionisafollows.
•Useforshort,lightgrassmowingconditions.
•Useindryconditions.
•Forsmallergrassclippings.
•Propelsgrassclippingsfartherawayfromthe
mower.
20
Page 21

Figure19
PositionB
Usethispositionwhenbagging(Figure20).
Figure21
Figure20
PositionC
Thisisthefullopenposition.Thesuggestedusefor
thispositionisasfollows(Figure21).
•Useintall,densegrassmowingconditions.
•Useinwetconditions.
•Lowerstheenginepowerconsumption.
•Allowsincreasedgroundspeedinheavyconditions.
•ThispositionissimilartothebenetsoftheT oro
SFSmower.
21
Page 22

UsingtheMid-SizeWeight
Weightsareinstalledoncertainmowerstoimprove
balanceandimproveperformance.Theweightscanbe
movedorremovedtocreateoptimizedperformance
underdifferentmowingconditionsandforoperator
preference(Figure22orFigure23).
Thefollowingtableindicatesthepositionoftheweight
asinstalledatthefactory.
MowerDeckSizeNumberofweights
36inches1Front
40inches1Front
48inches
52inches1Rear
install
nonenone
•Anyrearweightmustberemovedwhena
Tru–Track
•WhenaTru–Track
®
Sulkyisinstalled.
®
Sulkyisinstalledfrontweights
areneeded.ContactanAuthorizedServiceDealer
forthecorrectquantityofweightsandplacement.
Positionofthe
weight
Figure23
Installingtherearweight.
1.Nut3.Washer
2.Weight4.Bolt
WARNING
Thefrontendofthemachinecanrapidlyriseup
whenthemowerisremoved.Thiscouldcause
seriousinjurytoyouorbystanders.
Supporttherearofthemachinewhenremoving
themowerfromthecarrierframe.
Figure22
Installingthefrontweight.
1.Bolt3.Weight
2.Washer4.Nut
22
Page 23

Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
Aftertherst8hours
Beforeeachuseordaily
Every25hours
Every50hours
Every100hours
MaintenanceProcedure
•Changetheengineoil.
•Checkthehydraulicuidlevel.
•Changethehydrauliclter.
•Checkthesafetyinterlocksystem.
•Greasethefrontcasterpivotbearing.
•Checktheengineoillevel.
•Cleantheairintakescreen.
•Checkthebrakes.
•Inspecttheblades.
•Cleanthemowerdeck.
•Cleanfoamaircleanerelement.
•Checkthebatteryelectrolytelevel.
•Checkthehydraulicuidlevel.
•Greasethesidebearings.
•GreasethePTObeltidler.
•Greasethemowerdeckbeltidler.
•Checkthepaperaircleanerelement.
•Checkthetirepressure.
•Checkthemowerbelt.
•CheckthePTOdrivebelt.
•Checkthepumpdrivebelt.
•Changetheengineoil.
•Checkthesparkplugs.
•Adjusttheelectricclutch.
•Checkthehydrauliclines.
•Replacethepaperaircleanerelement.
Every200hours
Every250hours
Every400hours
Every500hours
Beforestorage
Important:Refertoyour
•Changetheoillter.
•Replacethefuellter.
•ChangethehydrauliclterandhydraulicoilwhenusingMobil®1oil.
•Greasethefrontwheelbearings(moreoftenindirtyordustyconditions).
•ChangethehydrauliclterandhydraulicoilwhenusingT oro®HYPR-OIL™500
hydraulicoil.
•Paintchippedsurfaces.
•Performallmaintenanceprocedureslistedabovebeforestorage.
Engine Operator’ s Man ual
foradditionalmaintenanceprocedures.
CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentlystarttheengineandseriouslyinjure
youorotherbystanders.
Removethekeyfromtheignitionanddisconnectthesparkplugwiresfromthesparkplugsbeforeyoudo
anymaintenance.Setthewiresasidesothattheydonotaccidentallycontactthesparkplugs.
23
Page 24

Lubrication
GreasingthePTODriveBelt
GreasewithNo.2generalpurposelithiumbaseor
molybdenumbasegrease.
HowtoGrease
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Cleanthegreasettingswitharag.Makesureto
scrapeanypaintoffthefrontofthetting(s).
4.Connectagreaseguntothetting.Pumpgrease
intothettingsuntilgreasebeginstooozeoutof
thebearings.
5.Wipeupanyexcessgrease.
LubricatingtheBearings
ServiceInterval:Beforeeachuseordaily
IdlerandMowerDeckBelt
Idler
ServiceInterval:Every50hours
Every50hours
Greasetheidlerpulleypivots(Figure25orFigure26).
Note:Youwillhavetoremovethecarriercoversto
accessthegreasettingforthemowerdeck.
Every400hours
Every50hours
Lubricatethefrontcasterwheelbearingsandfront
pivots(Figure24).
Note:Makesuretherearwheelgreasecapsare
removedbeforelubricatingrearwheels.
Figure25
40inch,48inch,and52inchMowerDeckshown
Figure24
Figure26
36inchMowerDeckshown
24
Page 25

EngineMaintenance
ServicingtheAirCleaner
ServiceInterval/Specication
ServiceInterval:Every25hours—Cleanfoamair
cleanerelement.
Every50hours—Checkthepaperair
cleanerelement.
Every200hours—Replacethepaper
aircleanerelement.
Note:Servicetheaircleanermorefrequently(every
fewoperatinghours)iftheoperatingconditionsare
extremelydustyorsandy .
Important:Donotoilthefoamorpaperelement.
RemovingtheFoamandPaper
Elements
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Cleanaroundtheaircleanertopreventdirt
fromgettingintotheengineandcausingdamage
Figure27).
(
4.Unscrewthecoverknobsandremovetheaircleaner
cover(
5.Unscrewthehoseclampandremovetheaircleaner
assembly(Figure27).
6.Carefullypullthefoamelementoffthepaper
element(Figure27).
Figure27).
Figure27
1.Cover
2.Hoseclamp4.Foamelement
3.Paperelement
CleaningtheFoamAirCleanerElement
1.Washthefoamelementinliquidsoapandwarm
water.Whentheelementisclean,rinseitthoroughly.
2.Drytheelementbysqueezingitinacleancloth.
Important:Replacethefoamelementifitis
tornorworn.
ServicingthePaperAirCleaner
Element
1.Donotcleanthepaperlter,replaceit(Figure27).
2.Inspecttheelementfortears,anoilylm,ordamage
totherubberseal.
3.Replacethepaperelementifitisdamaged.
InstallingtheFoamandPaperElements
Important:Topreventenginedamage,always
operatetheenginewiththecompletefoamand
paperaircleanerassemblyinstalled.
1.Carefullyslidethefoamelementontothepaperair
cleanerelement(Figure27).
2.Placetheaircleanerassemblyontotheaircleaner
baseandsecureitwiththe2wingnuts(Figure27).
3.Placetheaircleanercoverintopositionandtighten
thecoverknob(Figure27).
25
Page 26

ServicingtheEngineOil
ServiceInterval/Specication
ServiceInterval:Beforeeachuseordaily—Checkthe
engineoillevel.
Aftertherst8hours—Changethe
engineoil.
Every100hours—Changetheengine
oil.
Every200hours—Changetheoil
lter.
Note:Changetheoilmorefrequentlywhenthe
operatingconditionsareextremelydustyorsandy.
OilType:Detergentoil(APIserviceSF ,SG,SH,SJ
orSL)
CrankcaseCapacity:58ounces(1.7liter)withthelter
removed;51ounces(1.5liter)withoutthelterremoved
Figure29
1.Oildipstick
2.Fillertube
5.Unscrewtheoildipstickandwipetheendclean
(Figure29).
6.Slidetheoildipstickfullyintothellertube,butdo
notthreadontotube(Figure29).
7.Pullthedipstickoutandlookattheend.Iftheoil
levelislow ,slowlypouronlyenoughoilintotheller
tubetoraisetheleveltotheFullmark.
Viscosity:Refertothetable(
Figure28
Figure28).
CheckingtheEngineOilLevel
1.Parkthemachineonalevelsurface.
2.DisengagethePTOandsettheparkingbrake.
3.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
4.Cleanaroundtheoildipstick(
cannotfallintothellerholeanddamagetheengine.
Figure29)sothatdirt
Important:Donotoverllthecrankcasewith
oilandruntheengine;enginedamagecan
result.
ChangingtheEngineOil
1.Starttheengineandletitrunveminutes.This
warmstheoilsoitdrainsbetter.
2.Parkthemachinesothatthedrainsideisslightly
lowerthantheoppositesidetoassuretheoildrains
completely.
3.DisengagethePTOandsettheparkingbrake.
4.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
5.Slidethedrainhoseovertheoildrainvalve.
6.Placeapanbelowthedrainhose.Rotateoildrain
valvetoallowoiltodrain(
7.Whenoilhasdrainedcompletely,closethedrain
valve.
8.Removethedrainhose(Figure30).
Note:Disposeoftheusedoilatarecyclingcenter.
Figure30).
26
Page 27

Figure30
1.Oildrainvalve2.Oildrainhose
9.Slowlypourapproximately80%ofthespeciedoil
intothellertube(Figure29).
10.Checktheoillevel;refertoCheckingtheEngineOil
Level.
11.SlowlyaddtheadditionaloiltobringittotheFull
mark.
ChangingtheOilFilter
Note:Changetheoilltermorefrequentlywhenthe
operatingconditionsareextremelydustyorsandy.
4.Installthereplacementoilltertothelteradapter,
turntheoillterclockwiseuntiltherubbergasket
contactsthelteradapter,thentightenthelteran
additional3/4turn(
Figure31).
5.Fillthecrankcasewiththepropertypeofnewoil;
refertoServicingtheEngineOil.
6.Runtheengineforabout3minutes,stoptheengine,
andcheckforoilleaksaroundtheoillteranddrain
valve.
7.Checktheengineoillevelandaddoilifneeded.
8.Wipeupanyspilledoil.
ServicingtheSparkPlugs
ServiceInterval:Every100hours
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstallingthe
sparkplugsandagappingtool/feelergaugetocheckand
adjusttheairgap.Installanewsparkplugsifnecessary.
Type:Champion®RCJ8YorequivalentAirGap:
0.030inch(0.75mm)
RemovingtheSparkPlugs
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Disconnectthewiresfromthesparkplugs
(Figure32).
1.Draintheoilfromtheengine;refertoChangingthe
EngineOil.
2.Removetheoldlter(
1.Oillter
Figure31).
Figure31
2.Adapter
3.Applyathincoatofnewoiltotherubbergasketon
thereplacementlter(Figure31).
Figure32
1.Spark-plugwire/sparkplug
4.Cleanaroundthesparkplugstopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
5.Removethesparkplugsandthemetalwashers.
27
Page 28

CheckingtheSparkPlugs
1.Lookatthecenterofthesparkplugs(Figure33).
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly .Ablackcoatingonthe
insulatorusuallymeansthattheaircleanerisdirty.
2.Ifneeded,cleanthesparkplugwithawirebrushto
removecarbondeposits.
Figure33
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
Important:Alwaysreplacethesparkplugs
whenithaswornelectrodes,anoilylmonit,
orhascracksintheporcelain.
3.Checkthegapbetweenthecenterandsideelectrodes
Figure33).Bendthesideelectrode(Figure33)if
(
thegapisnotcorrect.
InstallingtheSparkPlugs
1.Installthesparkplugsandthemetalwasher.Ensure
thattheairgapissetcorrectly.
2.Tightenthesparkplugsto16ft-lb(22N-m).
3.Connectthewirestothesparkplugs(
Figure33).
FuelSystem
Maintenance
DrainingtheFuelTank
DANGER
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Draingasolinefromthefueltankwhenthe
engineiscold.Dothisoutdoorsinanopenarea.
Wipeupanygasolinethatspills.
•Neversmokewhendraininggasoline,andstay
awayfromanopenameorwhereasparkmay
ignitethegasolinefumes.
1.Parkthemachineonalevelsurface,toassurefuel
tankdrainscompletely.Thendisengagethepower
takeoff(PTO),settheparkingbrake,andturnthe
ignitionkeytooff.Removethekey.
2.Closethefuelshut-offvalveatthefueltank
Figure34).
(
3.Squeezetheendsofthehoseclamptogether
andslideitupthefuellineawayfromfuellter
Figure34).
(
4.Pullthefuellineoffthefuellter(Figure34).Open
thefuelshut-offvalveandallowthegasolinetodrain
intoagascanordrainpan.
Note:Nowisthebesttimetoinstallanewfuellter
becausethefueltankisempty.RefertoReplacing
theFuelFilter.
5.Installthefuellineontothefuellter.Slidethehose
clampclosetothevalvetosecurethefuelline.
6.Wipeupanyspilledfuel.
28
Page 29

Figure34
1.Fuellter3.Fuelshut-offvalve
2.Clamp
Figure35
1.Hoseclamp3.Filter
2.Fuelline
ServicingtheFuelFilter
ServiceInterval:Every200hours/Yearly(whichever
comesrst)
ReplacingtheFuelFilter
Neverinstalladirtylterifitisremovedfromthefuel
line.
Note:Notehowthefuellterisinstalledinorderto
installthenewltercorrectly.
Note:Wipeupanyspilledfuel.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Closefuelshut-offvalveatthefueltank(
4.Squeezetheendsofthehoseclampstogetherand
slidethemawayfromthelter(Figure35).
Figure34).
5.Removethelterfromthefuellines.
6.Installanewlterandmovethehoseclampsclose
tothelter.
7.Openfuelshut-offvalveatfueltank(
Figure34).
8.Checkforfuelleaksandrepairifneeded.
9.Wipeupanyspilledfuel.
29
Page 30

ElectricalSystem
Maintenance
ServicingtheBattery
Alwayskeepthebatterycleanandfullycharged.Use
apapertoweltocleanthebatterycase.Ifthebattery
terminalsarecorroded,cleanthemwithasolutionof
fourpartswaterandonepartbakingsoda.Applyalight
coatingofgreasetothebatteryterminalstoprevent
corrosion.
WARNING
Incorrectbatterycableroutingcoulddamagethe
machineandcablescausingsparks.Sparkscan
causethebatterygassestoexplode,resultingin
personalinjury.
•AlwaysDisconnectthenegative(black)battery
cablebeforedisconnectingthepositive(red)
cable.
•AlwaysReconnectthepositive(red)battery
cablebeforereconnectingthenegative(black)
cable.
Voltage:12V
WARNING
CALIFORNIA
Proposition65Warning
Batteryposts,terminals,andrelated
accessoriescontainleadandleadcompounds,
chemicalsknowntotheStateofCalifornia
tocausecancerandreproductiveharm.
Washhandsafterhandling.
DANGER
Batteryelectrolytecontainssulfuricacidwhichisa
deadlypoisonandcausessevereburns.
Donotdrinkelectrolyteandavoidcontactwith
skin,eyesorclothing.Wearsafetyglassestoshield
youreyesandrubberglovestoprotectyourhands.
RemovingtheBattery
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Lifttheblackrubbercoveronthenegativecable.
Disconnectthenegativebatterycablefromthe
negative(-)batteryterminal(
4.Slidetheredterminalbootoffthepositive(red)
batteryterminal.Thenremovethepositive(red)
batterycable(Figure36).
5.Removethebatteryholddownplate(
removethebattery.
Figure36).
Figure36)and
InstallingtheBattery
1.Placethebatterontothemachine(Figure36).
2.Securethebatterywiththeholddownplate,j-bolts,
andlocknuts.
3.First,installthepositive(red)batterycableto
positive(+)batteryterminalwithanut,washerand
Figure36).Slidetherubbercoveroverthepost.
bolt(
WARNING
Batteryterminalsormetaltoolscouldshortagainst
metalmachinecomponentscausingsparks.Sparks
cancausethebatterygassestoexplode,resulting
inpersonalinjury.
•Whenremovingorinstallingthebattery,donot
allowthebatteryterminalstotouchanymetal
partsofthemachine.
•Donotallowmetaltoolstoshortbetween
thebatteryterminalsandmetalpartsofthe
machine.
4.Theninstallthenegativebatterycableandground
wiretothenegative(-)batteryterminalwithanut,
washerandbolt(
overthepost.
30
Figure36).Slidetherubbercover
Page 31

g012916
7
6
5
4
3
2
1
8
9
10
11
Figure36
1.J-bolt7.Wingnut
2.Positivecable8.Negativecable
3.Washer
4.Nut(5/16inch)
5.Rubbercover(red)
6.Batteryholddown
9.Rubbercover(black)
10.Bolt
11.Battery
Figure37
1.Ventcaps3.Lowerline
2.Upperline
2.Iftheelectrolyteislow,addtherequiredamountof
distilledwater;refertoAddingW atertotheBattery
inElectricalSystemMaintenance(page30).
AddingWatertotheBattery
Thebesttimetoadddistilledwatertothebatteryisjust
beforeyouoperatethemachine.Thisletsthewatermix
thoroughlywiththeelectrolytesolution.
1.Removethebatteryfromthemachine;
refertoRemovingtheBatteryin
ElectricalSystemMaintenance(page30).
Important:Neverllthebatterywithdistilled
waterwhilethebatteryisinstalledinthe
machine.Electrolytecouldbespilledonother
partsandcausecorrosion.
CheckingtheBatteryElectrolyteLevel
2.Cleanthetopofthebatterywithapapertowel.
3.Removetheventcapsfromthebattery(
Figure37).
ServiceInterval:Every25hours
4.Slowlypourdistilledwaterintoeachbatterycell
DANGER
untiltheelectrolytelevelisuptotheUpperline
Figure37)onthebatterycase.
(
Batteryelectrolytecontainssulfuricacidwhichisa
deadlypoisonandcausessevereburns.
Important:Donotoverllthebatterybecause
electrolyte(sulfuricacid)cancausesevere
•Donotdrinkelectrolyteandavoidcontactwith
corrosionanddamagetothechassis.
skin,eyesorclothing.Wearsafetyglassesto
shieldyoureyesandrubberglovestoprotect
yourhands.
•Fillthebatterywherecleanwaterisalways
availableforushingtheskin.
5.Waitvetotenminutesafterllingthebatterycells.
Adddistilledwater,ifnecessary,untiltheelectrolyte
levelisuptotheUpperline(
Figure37)onthe
batterycase.
6.Reinstallthebatteryventcaps.
1.Lookatthesideofthebattery.Theelectrolytemust
beuptotheupperline(
electrolytetofallbelowtheLowerline(Figure37).
Figure37).Donotallowthe
ChargingtheBattery
WARNING
Chargingthebatteryproducesgassesthatcan
explode.
Neversmokenearthebatteryandkeepsparksand
amesawayfrombattery.
31
Page 32

Important:Alwayskeepthebatteryfullycharged
(1.265specicgravity).Thisisespeciallyimportant
topreventbatterydamagewhenthetemperatureis
below32°F(0°C).
1.Removethebatteryfromthechassis;referto
RemovingtheBattery.
2.Checktheelectrolytelevel;refertoCheckingthe
ElectrolyteLevel.
3.Makesurethellercapsareinstalledinbattery.
Chargebatteryfor1hourat25to30ampsor6
hoursat4to6amps.
4.Whenthebatteryisfullycharged,unplugthecharger
fromtheelectricaloutlet,thendisconnectthe
chargerleadsfromthebatteryposts(
Figure38).
5.Installthebatteryontothemachineandconnectthe
batterycables,refertoInstallingtheBattery.
Note:Donotrunthemachinewiththebattery
disconnected,electricaldamagemayoccur.
Figure38
1.PositiveBatteryPost
2.NegativeBatteryPost
3.Red(+)ChargerLead
4.Black(-)ChargerLead
ServicingtheFuses
Figure39
1.Redwire3.Fuse,25amp,bladetype
2.Fuse,30amp,bladetype4.Violetwire
Theelectricalsystemisprotectedbyfuses.Itrequires
nomaintenance.Ifafuseblows,checkthecomponent
orcircuitforamalfunctionorshort.
1.Removethecoverunderthecontrolpanel.
2.Pulloutonthefusetoremoveorreplaceit
(Figure39).
3.Installthecoverunderthecontrolpanel.
Note:Ensurethecorrectsizefuseisinstallwiththe
correctwirecolorasshowninFigure39.
32
Page 33

DriveSystem
Maintenance
AdjustingtheTracking
1.Ifthemachinedoesnottrackstraight,adjustment
isrequired.
2.Checkthereartirepressure.RefertoCheckingthe
TirePressure.
3.Loosenthewingnutsontherightcontrolrodand
rotatetheturnbuckleinorouttoensuretheright
sidecontrolleveriscenteredintheneutrallock
position.Securetheturnbuckleinpositionwiththe
wingnuts(
Figure40).
Figure41
ReplacingtheCasterWheel
4.Loosenthewingnutsontheleftcontrolrodand
rotatetheturnbuckleinorouttochangethetracking.
Securetheturnbuckleinpositionwiththewingnuts
Figure40).
(
5.Checkforpropertracking.Adjusttheleftcontrol
rodifachangeisneeded.
Figure40
1.Turnbuckle
2.Bottomwingnut
3.Topwingnut(lefthand
threaded)
ForkBushings
Thecasterwheelforksaremountedinbushingspressed
intothetopandbottomofthecarrierframemounting
pivottubes.Tocheckthebushings,movethecaster
forksbackandforthandside-to-side.Ifacasterforkis
loose,thebushingsarewornandmustbereplaced.
1.Raisethecuttingunitsothecasterwheelsareoff
theoor,thensupportthefrontofthemowerwith
jackstands.
2.Removethelockingpinandspacer(s)fromthetop
ofthecasterwheelfork(
Figure42).
CheckingtheTirePressure
ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Checkthepressureatthevalvestem(Figure41).
Maintaintheairpressureinthereartiresat12-14psi
(83-97kPa).Uneventirepressurecancauseanuneven
cut.
Note:Thefronttiresaresemi-pneumatictiresanddo
notrequireairpressuremaintenance.
Figure42
1.LockingPin
2.Spacers4.Casterwheelfork
3.Pullthecasterwheelforkoutofthemountingtube,
leavingthespacer(s)onthebottomofthefork.
33
3.Carrierframepivottube
Page 34

Rememberthelocationofthespacersoneachfork
toensurecorrectinstallation,andtomaintainalevel
deck.
4.Insertapinpunchintothemountingtubeand
carefullydriveoutthebushings(
Figure43).Clean
theinsideofthemountingtube.
Figure43
1.MountingTube2.Bushing
5.Greasetheinsideandoutsideofthenewbushings.
Useahammerandatplatetocarefullydrivethe
bushingsintothepivottubes.
6.Inspectthecasterwheelforkforwearandreplace
ifnecessary(
Figure42).
7.Slidethecasterwheelforkthroughthebushingsin
themountingtube.Replacethespacer(s)ontothe
forkandsecurewiththeretainingring(Figure42).
Important:Theinsidediameterofthebushings
maycollapseslightlywheninstalled.Ifthe
casterwheelforkdoesnotslideintothenew
bushings,reambothbushingstoaninside
diameterof1.126inch(29mm).
8.Greasethettingonthecarrierframepivottubes
usingNo.2generalpurposelithiumbaseor
molybdenumbasegrease.
1.Removethelocknutandwheelboltholdingthe
casterwheeltothecasterfork(Figure44).
Figure44
1.Locknut
2.WheelBolt5.RollerBearing
3.Bushing
4.SpannerBushing
2.Removeonebushing,thenpullthespannerbushing
androllerbearingoutofthewheelhub(
Figure44).
3.Removetheotherbushingfromthewheelhub
andcleananygreaseanddirtfromthewheelhub
(Figure44).
4.Inspecttherollerbearing,bushings,spannerbushing
andinsideofthewheelhubforwear.Replaceany
defectiveorwornparts(
Figure44).
5.Toassemble,placeonebushingintothewheelhub.
Greasetherollerbearingandspannerbushingand
slidethemintothewheelhub.Placethesecond
bushingintothewheelhub(Figure44).
6.Installthecasterwheelintothecasterforkand
securewiththewheelboltandlocknut.Tightenthe
locknutuntilthespannerbushingbottomsagainst
theinsideofthecasterforks(
Figure44).
7.Greasethettingonthecasterwheel.
ServicingtheCasterWheel
andBearings
Thecasterwheelsrotateonarollerbearingsupportedby
aspannerbushing.Ifthebearingiskeptwelllubricated,
wearwillbeminimal.Failuretokeepthebearingwell
lubricatedwillcauserapidwear.Awobblycasterwheel
usuallyindicatesawornbearing.
AdjustingtheElectricClutch
ServiceInterval:Every100hours
Theclutchisadjustabletoensureproperengagement
andproperbraking.
1.Inserta0.015–0.021inch(0.381–0.533mm)feeler
gaugethroughoneinspectionslotinthesideofthe
34
Page 35

assembly.Makesureitisbetweenthearmatureand
therotorfrictionsurfaces.
2.Tightenthelocknutsuntilthereisslightbindingon
thefeelergaugebutitcanbemovedeasilywithinthe
airgap(
3.Repeatthisfortheremainingslots.
4.Checkeachslotagainandmakeslightadjustments
untilthefeelergaugebetweentherotorandarmature
withveryslightcontactbetweenthem.
Figure45).
CoolingSystem
Maintenance
CleaningtheAirIntakeScreen
ServiceInterval:Beforeeachuseordaily
Beforeeachuseremoveanybuild-upofgrass,dirt
orotherdebrisfromthecylinderandcylinderhead
coolingns,airintakescreenonywheelend,and
carburetor-governorleversandlinkage.Thiswillhelp
insureadequatecoolingandcorrectenginespeedand
willreducethepossibilityofoverheatingandmechanical
damagetotheengine.
Figure45
1.Adjustingnut3.Feelergauge
2.Slot
35
Page 36

BrakeMaintenance
ServicingtheBrake
Beforeeachuse,checkbrakesonbothalevelsurface
andslope.
Alwayssettheparkingbrakewhenyoustopthemachine
orleaveitunattended.Iftheparkingbrakedoesnot
holdsecurely,anadjustmentisrequired.
CheckingtheParkingBrake
ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface,disengagethe
PTO.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Applytheparkingbrake.Settingtheparkingbrake
shouldtakeareasonableamountofforce.Ifthe
parkingbrakedoesnotholdsecurely,anadjustment
isrequired.RefertoAdjustingtheParkingBrake.
Note:Whenthebrakeisengaged,thebrakehandle
shouldbeinthe1o’clockposition(
Figure46).
9.Tightenthetopandbottomjamnuts(Figure46).
10.Checkthebrakeoperationagain;refertoChecking
theBrake.
Figure46
1.Parkingbrakelever
(releasedposition)
2.1o’clockposition6.Yoke
3.Haripincotter7.JamNut
4.Lowerbrakelever8.Brakerod
5.Clevispin
AdjustingtheBrakes
Iftheparkingbrakedoesnotholdsecurely,an
adjustmentisrequired.
1.Parkthemachineonalevelsurface,disengagethe
PTO,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Checkthebrakebeforeyouadjustit;referto
CheckingtheBrakes.
4.Releasetheparkingbrake;refertoReleasingthe
ParkingBrakeinOperation(page13).
5.Loosenthetopandbottomjamnuts(
6.Toadjustthebrake,removethehairpincotterand
clevispinfromthelowerbrakelever(
7.Rotatethebrakerodintheyokes.T otightenthe
brake,lengthentherodbetweentheyokes.To
loosenthebrake,shortentherodbetweentheyokes
(Figure46).
Figure46).
Figure46).
Note:Thebrakerodshouldbethreadedintoboth
yokesthesamedistance.
8.Securetheyoketolowerbrakeleverwiththehairpin
cotterandclevispin(Figure46).
36
Page 37

BeltMaintenance
ReplacingtheMowerBelt
ServiceInterval:Every50hours
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarksandcracks
aresignsofaworndeckbelt.Replacethedeckbeltif
anyoftheseconditionsareevident.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Unlatchandremovethecarrierframecover.
4.Unlatchandremovethebeltcovers.
5.RemovethePTOdrivebelt.RefertoReplacingthe
PTODriveBelt.
6.Disconnecttheidlerarmspringtorelievetensionon
theidlerarmandidlerpulley,thenremovetheworn
mowerbelt(
Figure47orFigure48).
7.Installthenewmowerbeltaroundthetwooutside
spindlepulleys,theidlerpulley,andinthelower
grooveofthedoublespindlepulley(
Figure47or
Figure48).
8.Connecttheidlerarmspring(Figure47orFigure48).
9.InstallthePTOdrivebelt.RefertoReplacingthe
PTODriveBelt.
10.Adjustthebeltguidean1/8inch(3mm)fromthe
Figure47orFigure48).
belt(
11.Installthebeltcoversontothecuttingunitand
securethelatches.
Figure47
40inch,48inch,and52inchMowerDeckshown
1.Outsidepulley
2.PTODriveBelt
3.Idlerarmspring
4.Mowerdeckbelt
5.Beltguide
6.Centerspindlepulley
12.Installthecarrierframecoverontothecuttingunit
andsecurethelatches.
Figure48
36inchMowerDeckshown
1.Mowerdeckbelt4.Idlerarmspring
2.PTODriveBelt
3.Drivebeltpulley
5.Drivebeltpulley
ReplacingthePTODriveBelt
ServiceInterval:Every50hours
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarksandcracks
37
Page 38

aresignsofaworndrivebelt.Replacethedrivebeltif
anyoftheseconditionsareevident.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Unlatchandremovethecarrierframecover.
4.Unlatchandremovethebeltcovers.
5.Removetheheatshieldfromtheenginedeckand
carrierframe.
6.Rollthebeltoffofthecenterpulleyonthemower
Figure49).RefertoFigure50torollthebelt
deck(
offleftpulleyfora36inchmowerdeck.Usecaution
whenremovingthebeltastensionwillincrease
becauseofthespringloadedidlerpulley .
7.Removethebeltfromtheenginepulleyandthe
springloadedidlerpulley(
Figure49).Referto
Figure50toremovethebeltfromthe36inchmower
deckpulleys.
Figure49
40inch,48inch,and52inchMowerDeckshown
1.PTOdrivebeltguide4.PTOengagementpulley
2.PTOdriveBelt5.PTOdrivebeltidlerpulley
3.Idlerspring
6.Centerspindlepulley
8.Installthenewbeltontotheenginepulleyandspring
loadedidlerpulley(
Figure49).
9.Rollthebeltontothecenterpulleyonthemower
deck(Figure49).Usecautionwheninstallthebelt
astensionwillincreasebecauseofthespringloaded
idlerpulley.RefertoFigure50torollthenewbelt
ontotheleftpulleyfora36inchmowerdeck.
10.Installtheheatshieldtotheenginedeckandcarrier
frame.
11.Adjustthebeltguidean1/8inch(3mm)fromthe
beltfor40,48and52inchmowerdecks(
Figure49).
12.Installthebeltcoversontothecuttingunitand
securethelatches.
13.Installthecarrierframecoverontothecarrierframe
andsecurethelatches.
1.Mowerdeckbelt
2.PTODriveBelt
3.Idlerarmandspring
Figure50
36inchMowerDeckshown
4.Clutchpulley
5.Idlerpulley
AdjustingthePTODriveBelt
IdlerSpringAnchor
ThepositionofthePTOidlercanbeadjustedto
increaseordecreasebelttension.
38
Page 39

UseFigure51fortheidlerpositionoptions.
Figure51
1.PTOdrivebeltidlerpulley4.Mosttensionforwornbelts
2.PTOdriveBelt5.Mediumtensionfornormal
3.Idlerspring
beltconditions
6.Leasttensionfornewbelts
Figure52
1.Hydraulicpumps
2.Idlerpulley6.Pivotbolt
3.Clutchretainer
4.Tensionspring8.Pumpdrivebelt
5.Clutchwireconnector
7.Drivepulley
7.Unhooktheidlerspringfromtheframe(Figure52).
ReplacingthePumpDriveBelt
ServiceInterval:Every50hours
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.RemovePTOdrivebelt.RefertoReplacingthe
PTODriveBeltinthe
4.Raisethemachineandsupportitwithjackstands.
5.Disconnecttheclutchwireconnectorfromthewire
harness.
6.Disconnecttheclutchretainerfromtheenginedeck
Figure52).
(
BeltMaintenance(page37).
8.Installthenewbeltaroundclutchandthetwodrive
pulleys.
9.Installtheidlerspringbetweenidlerarmandframe
bracket(
Figure52).
10.Installtheclutchretainertotheenginedeck
(Figure52).
11.Connecttheclutchwireconnectortothewire
harness.
12.InstallthePTOdrivebelt.
39
Page 40

ControlsSystem
Maintenance
AdjustingtheMotionControl
HandlePositions
AdjustingtheRightSideMotionControl
Lever
Ifthemotioncontrolleversdonotalignhorizontally,
adjusttherightsidemotioncontrollever.
Note:Adjustthehorizontalalignmentbeforethefront
tobackalignment.
1.DisengagethePTO,movetherightsidemotion
controllevertotheneutralpositionandsetthe
parkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Pushtherightmotioncontrolleverdownoutof
lockedneutralposition(
Figure53).
4.Checkifitalignshorizontallywiththeleftmotion
controllever(
1.Leftmotioncontrollever3.Checkthehorizontal
2.Rightmotioncontrollever
inneutrallockedposition
Figure53).
Figure53
alignmenthere
4.Rightmotioncontrollever
Figure54
1.Cam
2.Nutandbolt
3.Wingnut
4.Turnbuckle
5.Switchscrews
9.Afterthecamisadjusted,theleverswitchneedsto
bechecked.
10.Checkthegapbetweenthecontrolleverandswitch
asshownin
Figure55.Thegapneedstobean1/8
inch(3mm).
11.Ifneeded,loosenthescrewsholdingtheswitchand
adjusttheswitch.
12.Tightenthescrewsandinstallthecoverunderthe
controlpanel.
5.Toadjusttherightmotioncontrolleverhorizontally,
thecamneedstobeadjusted.
6.Removethecoverunderthecontrolpanel.
7.Loosenthenutandboltholdingthecam(
Figure54).
8.Adjustthecamuntilitalignswiththeleftmotion
controlleverandtightenthenutandboltforthe
cam.
40
Page 41

1.Rightsidemotioncontrol
leverpivotshownunder
controls
2.Rightsidemotioncontrol
lever
Figure55
3.1/8inch(3mm)gap
4.Switch
neededbetweenswitch
andcontrollever
Figure56
1.Leftmotioncontrollever
2.Rightmotioncontrollever4.Alignthecontrollevers
3.Neutrallockedposition
fronttobackhere
AdjustingtheNeutralPostionforthe
MotionControlLevers
Important:Ensurethetrackingofthemoweris
correctafteradjustingthemotioncontrollevers.
Afteradjustingthetracking,themotioncontrol
leversmaynotaligntheexactlyfronttoback
Figure56).
(
Ifthemotioncontrolleversdonotalignfronttoback,
ortherightsidecontrolleverdoesnotmoveeasilyinto
theneutrallockposition,adjustmentisrequired.Adjust
eachleverandcontrolrodseparately.
Note:Adjustthehorizontalalignmentbeforethefront
tobackalignment.
1.Afterthehorizontalalignmentisnished,checkthe
fronttobackalignment(
Figure56).
2.Loosenthewingnutsontherightcontrolrodand
rotatetheturnbuckleinorouttoensuretheright
sidecontrolleveriscenteredintheneutrallock
position.Securetheturnbuckleinpositionwiththe
wingnuts(Figure57).
3.Loosenthewingnutsontheleftcontrolrodand
rotatetheturnbuckleinorouttochangethetracking.
Securetheturnbuckleinpositionwiththewingnuts
Figure57).
(
Figure57
1.Turnbuckle
2.Bottomwingnut
3.Topwingnut(lefthand
4.Checkforpropertracking.Adjusttheleftcontrol
rodifachangeisneeded.RefertoAdjustingthe
TrackingintheOperationSection.
41
threaded)
Page 42

HydraulicSystem
Maintenance
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
ServicingtheHydraulic
System
CheckingtheHydraulicFluid
ServiceInterval:Aftertherst8hours
Every25hours
Note:Therearetwowaysofcheckingthehydraulicoil.
Oneiswhentheoiliswarmandoneiswhentheoilis
cold.Thebafeinsidethetankhastwolevelsdepending
iftheoiliswarmorcold.
1.Positionmachineonalevelsurface.
2.Disengagethepowertakeoff(PTO)andshutoff
theengine.
3.Waitforallmovingpartstostopbeforeleavingthe
operatingpositionandthensettheparkingbrake.
4.Cleanareaaroundcapandllerneckofhydraulic
Figure58).
tank(
•Ifhydraulicuidisinjectedintotheskin
itmustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistypeof
injury.Gangrenemayresultifthisisnot
done.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesureallhydraulicuidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretohydraulicsystem.
ReplacingtheHydraulicFilterand
HydraulicOil
Figure58
1.Cap3.Colduidlevel-full
2.Bafe4.Hotuidlevel-full
5.Removecapfromllerneck.Lookinsidetocheck
theuidlevelinthereservoir.(Figure58).
6.Adduidtothereservoiruntilitreachesthecold
levelofthebafe.
7.Runthemachineatlowidlefor15minutestoallow
anyairtopurgeoutofthesystemandwarmuid.
RefertoStartingandStoppingtheEngine.
8.Rechecktheuidlevelwhiletheuidiswarm.If
required,adduidtothereservoiruntilitreaches
thehotlevelofthebafe.
Note:Theuidlevelshouldbetothetopofthehot
levelofthebafe,whentheuidiswarm(
9.Installcaponllerneck.
Figure58).
ServiceInterval:Aftertherst8hours
Every250hours—Changethe
hydrauliclterandhydraulicoilwhen
usingMobil
Every500hours—Changethe
hydrauliclterandhydraulicoil
whenusingToro
hydraulicoil.
®
1oil.
®
HYPR-OIL
WARNING
Hothydraulicuidcancausesevereburns.
Allowthehydraulicuidtocoolbeforeperforming
anymaintenancetothehydraulicsystem.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
Important:Donotsubstituteautomotiveoil
lterorseverehydraulicsystemdamagemay
result.
3.Locatethelterunderthefueltankandplacedrain
panunderlter(Figure59).
™
500
42
Page 43

checkforleaks.Ifoneorbothwheelswillnotdrive,
refertoBleedingHydraulicSystem.
11.Rechecklevelandadduid,ifrequired.Donot
overll.
BleedingtheHydraulicSystem
Thetractionsystemisselfbleeding,however,itmaybe
necessarytobleedthesystemifuidischangedorafter
workisperformedonthesystem.
1.DisengagethePTOandsettheparkingbrake.
Figure59
4.Removetheoldlter,allowtheoiltodrainandwipe
thelteradaptergasketsurfaceclean(Figure60).
5.Applyathincoathydraulicuidtotherubbergasket
onthereplacementlter.
6.Installreplacementhydrauliclterontothelter
adapter.Donottighten.
7.Fillthehydraulictankwithhydraulicuiduntilthe
uidoverowsthelterandthenturntheoillter
clockwiseuntiltherubbergasketcontactsthelter
adapter,thentightenthelteranadditional1/2turn
Figure60).
(
2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
3.Raisetherearofthemachineupontojackstands
highenoughtoraisethedrivewheelsofftheground.
4.Starttheengineandmovethethrottlecontroltoidle
position.
Ifthedrivewheeldoesnotrotate,itispossibleto
assistthepurgingofthesystembycarefullyrotating
thetireintheforwarddirection.
5.Checkthehydraulicuidlevelasitdropsadduid
asrequiredtomaintaintheproperlevel.
6.Repeatthisprocedurefortheoppositewheel.
7.Thoroughlycleantheareaaroundeachofthecharge
pumphousings.
CheckingtheHydraulicLines
ServiceInterval:Every100hours
Checkhydrauliclinesandhosesforleaks,loosettings,
kinkedlines,loosemountingsupports,wear,weather
andchemicaldeterioration.Makenecessaryrepairs
beforeoperating.
Figure60
1.Hydrauliclter
2.Gasket
3.Adapter
8.Cleanupanyspilleduid.
9.Checktheuidinthereservoir,adduidtothetank
untilitreachesthecoldbafeofthetank.
Important:Useoilspecied.Otheruids
couldcausesystemdamage.
10.Startengineandletrunforabouttwominutesto
purgeairfromthesystem.Stoptheengineand
Note:Keepareasaroundhydraulicsystemcleanfrom
grassanddebrisbuildup.
43
Page 44

WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskinit
mustbesurgicallyremovedwithinafewhours
byadoctorfamiliarwiththistypeofinjury.
Gangrenemayresultifthisisnotdone.
•Keepbodyandhandsawayfrompinholeleaks
ornozzlesthatejecthighpressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Makesureallhydraulicuidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
hydraulicsystem.
MowerDeck
Maintenance
ServicingtheCuttingBlades
Toensureasuperiorqualityofcut,keeptheblades
sharp.Forconvenientsharpeningandreplacement,you
maywanttokeepextrabladesonhand.
WARNING
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator’s
orbystander’sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladesperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagetheblades
andsettheparkingbrake.Turntheignitionkeytooff.
Removethekeyanddisconnectthesparkplugwires
fromthesparkplugs.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure61).Iftheedges
arenotsharporhavenicks,removeandsharpenthe
blades.RefertoSharpeningtheBlades.
44
Page 45

Figure62
40inch,48inch,and52inchMowerDeckshown
Figure61
1.CuttingEdge3.Wear/slotformingin
curvedarea
2.Sail4.Crackinthecurvedarea
2.Inspecttheblades,especiallythecurvedarea
(Figure61).Ifyounoticeanycracks,wear,ora
slotforminginthisarea(item3inFigure61),
immediatelyinstallanewblade.
CheckingforBentBlades
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Rotatethebladesuntiltheendsfaceforwardand
backward.Measurefromalevelsurfacetothe
cuttingedge,positionA,oftheblades(Figure62
).Notethisdimension.For36inchmowerdecks
useFigure63.
1.Measureherefromblade
tohardsurface
36inchMowerDeckshown
2.PositionA
Figure63
4.Rotatetheoppositeendsofthebladesforward.
5.Measurefromalevelsurfacetothecuttingedgeof
thebladesatthesamepositionasinstep3above.
Thedifferencebetweenthedimensionsobtainedin
steps3and4mustnotexceed1/8inch(3mm).If
thisdimensionexceeds1/8inch(3mm),theblade
isbentandmustbereplaced;refertoRemovingthe
BladesandInstallingtheBlades.
45
Page 46

WARNING
Abladethatisbentordamagedcouldbreak
apartandcouldseriouslyinjureorkillyouor
bystanders.
•Alwaysreplacebentordamagedbladewith
anewblade.
•Neverleorcreatesharpnotchesinthe
edgesorsurfacesofblade.
RemovingtheBlades
Bladesmustbereplacedifasolidobjectishit,ifthe
bladeisoutofbalanceorisbent.T oensureoptimum
performanceandcontinuedsafetyconformanceof
themachine,usegenuineT ororeplacementblades.
Replacementbladesmadebyothermanufacturersmay
resultinnon-conformancewithsafetystandards.
1.Holdthebladeendusingaragorthickly-padded
glove.
2.For40and48inchmowerdecks,removetheblade
bolt,curvedwasher,andbladefromthespindle
Figure64).
shaft(
Figure65
36inchand52inchMowerDecks
1.SailAreaofBlade4.Curvedwasher
2.Blade5.BladeBolt
3.Bladestiffener
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothends
oftheblade(Figure66).Maintaintheoriginalangle.
Thebladeretainsitsbalanceifthesameamountof
materialisremovedfrombothcuttingedges.
Figure66
1.Sharpenatoriginalangle
Figure64
40inchand48inchMowerDecks
1.SailAreaofBlade3.Curvedwasher
2.Blade4.BladeBolt
3.For36and52inchmowerdecks,removetheblade
bolt,curvedwasher,bladestiffener,andbladefrom
thespindleshaft(Figure65).
2.Checkthebalanceofthebladebyputtingitona
bladebalancer(Figure67).Ifthebladestaysina
horizontalposition,thebladeisbalancedandcanbe
used.Ifthebladeisnotbalanced,lesomemetaloff
theendofthesailareaonly(Figure64).Repeatthis
procedureuntilthebladeisbalanced.
46
Page 47

Figure67
1.Blade2.Balancer
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure64).
Important:Thesailpartoftheblademustbe
pointingupward,towardtheinsideofthemower
toensurepropercutting(Figure64).
2.For40inchand48inchmowerdecks,installthe
blade,curvedwasher,andbladebolt(Figure64).
3.For36inchand52inchmowerdecks,installthe
blade,stiffener,curvedwasher,andbladebolt
Figure65).
(
4.Torquethebladeboltto85-110ft-lb(115-140N-m).
FrameSetUp
CheckingtheCarrierFrameandEngine
DeckAlignment
Note:MisalignmentcancauseexcesswearonthePTO
drivebelt.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Placealongstraightedgeontopoftheenginedeck
asshowninFigure68.
4.Atthecarrierframecrosschannel,measurethe
heightatlocationA(Figure68).Thismeasurement
mustbe1-5/16inch(33mm),plusorminusa1/4
inch(6mm).
5.IftheheightatlocationAisnotcorrect,adjustment
isneeded.
6.Loosenthecarrierframemountingboltsonboth
sidesofthemachine(Figure68).
CorrectingtheMowerQuality
ofCut
Ifonedeckbladecutslowerthantheother,correctas
follows.
Note:Tireairpressureiscriticalintheseprocedures.
Makesurealltireshavecorrectpressure.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.Disconnectthesparkplugwire(s)from
thesparkplug(s).
3.Adjustthetirepressureinthe
reartirestospecications;referto
DriveSystemMaintenance(page33).
4.Checkthatthebladesandspindleshaftsarenot
bent.RefertoCheckingforBentBlades.
5.Settheheight-of-cuttothe4inch(101.6mm)
position.RefertoAdjustingtheHeight-Of-Cutin
Operation(page13).
7.Alignthecarrierframeandenginedecktomatch
1-5/16inch(33mm),plusorminusa1/4inch(6
mm)atlocationA(Figure68).
8.Tightenthecarrierframemountingboltsonboth
sidesofthemachine.
6.PerformthestepsinthefollowingsectionsFrame
SetUp,CheckingFront-to-RearPitch,andChecking
Side-to-SideLeveling.
Figure68
1.CarrierFrame4.LocationA,1-5/16inch
2.Topofenginedeck5.Straightedge
3.Carrierframemounting
bolts
47
(33mm)±1/4inch(6mm)
6.Carrierframecross
channel
Page 48

CheckingtheEngineDeckHeight
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Adjustthetirepressureinthe
reartirestospecications;referto
DriveSystemMaintenance(page33).
4.MeasureenginedeckheightatlocationA(Figure69).
5.MeasureenginedeckheightatlocationB(Figure69).
6.IftheheightatlocationAandBarenotthesame,
changetirepressureslightlytomakethemthesame.
Figure69
1.Backviewofmachine
2.Topofenginedeck4.Sameheightatlocations
3.Tires
AandB
CheckingtheCarrierFrame
Front-to-RearPitch
Thecarrierframemusthaveapitchbetween1/8inch
(3mm)to3/8inch(9mm)overthelengthof24inches
(61cm)onthecarrierframe(Figure70).
1.Measureout24inches(61cm)onthecarrierframe
(Figure70).
Figure70
1.CarrierFrame
2.1/8inch-3/8inch(3-10
mm)pitchover24inch(61
cm)length
3.24inches(61cm)6.Casterspacers
4.HeightatlocationsAand
B
5.CasterWheel
2.MeasurecarrierframeheightatlocationA
Figure70).
(
3.MeasurecarrierframeheightatlocationB
(Figure70).
4.TheheightatlocationAmustbean1/8-3/8inch(3
mm-10mm)lowerthanlocationB(Figure70).
5.Ifthecarrierframeisnotcorrect,movecaster
spacerstomakeitan1/8-3/8inch(3-10mm)pitch
(Figure70).Movespacersfromtoporbottomto
makethecorrectpitch.
6.Thetirepressuremayalsobeadjustedslightlyto
makean1/8-3/8inch(3-10mm)pitch.
CheckingtheCarrierFrame
Side-to-SideHeight
Thecarrierframeneedstobeparallelside-to-sidefrom
theground.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Adjustthetirepressureinthe
reartirestospecications;referto
DriveSystemMaintenance(page33).
4.MeasurecarrierframeheightatlocationA
(
Figure71).
5.MeasurecarrierframeheightatlocationB
(Figure71).
6.Ifthecarrierframeheightisnotthesamemove
spacersfromtoporbottomofcasterwheel,to
makeitlevel.Thetirepressuremayalsobeadjusted
slightlytomakeitlevel.
48
Page 49

Figure71
1.CasterWheel4.Sameheightatlocations
AandB
2.CarrierFrame5.Casterspacers
3.Frontheight-of-cutpins
Figure73
36inchMowerDeckshown
ChangingtheMowerDeck
Front-to-RearPitch
CheckingtheMowerDeck
Front-to-RearPitch
1.Adjustthetirepressureinthe
reartirestospecications;referto
DriveSystemMaintenance(page33).
2.Positiononebladefront-to-rear.MeasureatAand
Blocationsfromalevelsurfacetothecuttingedge
ofthebladetips(Figure72orFigure73).For36
inchmowerdecksuseFigure73.
3.Themowerbladeshouldbea1/4inch(6mm)lower
infrontatAthanintherearatB.Rotatebladesand
repeatforotherblades.Ifitisnotcorrect,proceed
toChangingtheDeckFront-to-RearPitch.
Changingthefront-to-rearpitchisdonebyadjustingthe
frontheight-of-cutposts.
1.Tochangethefront-to-rearpitch,thefront
height-of-cutpostscanbeadjusted(Figure74).
Figure74
1.CasterWheel
2.CarrierFrame
3.Frontheight-of-cutpins
4.Jamnut
5.Balljoint
Figure72
40inch,48inch,and52inchMowerDeckshown
1.MeasurebladeatpointsA
andB
2.Measurefromalevel
2.Toraisethefrontofthedeck,loosenjamnutand
rotatethefrontpinclockwise(Figure74).
3.Tolowerthefrontofthedeck,loosenjamnutand
rotatethefrontpincounterclockwise(Figure74).
4.Positionthebladesfront-to-rear.MeasureatCand
Dlocations(
Figure72)fromalevelsurfacetothe
cuttingedgeoftheblades.
surface
5.Checktheside-to-sidelevelingofthecuttingunit.
6.Tightenthejamnuts(Figure74).
49
Page 50

CheckingtheMowerDeck
Side-to-SideHeight
1.Adjustthereartirepressuretospecications;refer
toDriveSystemMaintenance(page33).
2.Positionthebladesside-to-side.MeasureatCand
Dlocationsfromalevelsurfacetothecuttingedge
ofbladetips(Figure75).For36inchmowerdecks
useFigure76.
2.Adjustthecasterspacer.
3.Recheckthefront-to-rearpitchandsidetoside
levelingofthecuttingunit.
MatchingHeightofCut
1.Checkthereartirepressure.
2.Settheheight-of-cuttothe4inch(101.6mm)
positionfollowingtheheight-of-cutdecal.
3.Withthemachineonlevelsurface,positiononeblade
front-to-rear.MeasureatAandfromlevelsurfaceto
thecuttingedgeofthebladetips(Figure77).For36
inchmowerdecksuseFigure78.
Figure75
40inch,48inch,and52inchMowerDeckshown
1.Measurefromalevel
surface
36inchMowerDeckshown
2.MeasurebladeatpointsC
andD
Figure76
3.ThedifferencebetweenmeasurementsCandD
shouldbenomorethan1/4inch(6mm).
Figure77
40inch,48inch,and52inchMowerDeckshown
1.Measurefromalevel
surface
2.MeasurebladeatpointA
ChangingtheMowerDeck
Side-to-SideHeight
Changingtheside-to-sideheightisdonebyadjustingthe
reartirepressureandcasterspacers.
1.Changethereartirepressure.Dothistothe
correspondingsidethatneedsadjustment.
Figure78
36inchMowerDeckshown
4.Themeasurementshouldbe4inch(101.6mm).
5.Ifitdoesnotmeasurecorrectly:
A.Adjustthereartirepressure.
50
Page 51

B.Adjustthecasterforkspacers.
C.Adjustthefrontmowerdecksupportpins.
6.Checkthecarrierframefront-to-rearpitch.
ReplacingtheGrassDeector
WARNING
Anuncovereddischargeopeningcouldallowthe
lawnmowertothrowobjectsintheoperator’sor
bystander’sdirectionandresultinseriousinjury.
Also,contactwiththebladecouldoccur.
Neveroperatethelawnmowerunlessyouinstalla
coverplate,amulchplate,grassdeectororbagger.
1.Removethelocknut,bolt,springandspacerholding
thedeectortothepivotbrackets(Figure79).
Removedamagedorworngrassdeector.
Important:Thegrassdeectormustbeable
torotate.Liftthedeectoruptothefullopen
positionandensurethatitrotatesintothefull
downposition.
Figure79
1.Bolt
2.Spacer6.GrassDeector
3.Locknut
4.Spring8.Jhookendofspring
5.Springinstalled
7.Lendofspring,place
behinddeckedgebefore
installingbolt
2.Placespacerandspringontograssdeector.Place
theLendofspringbehinddeckedge.
Note:MakesuretheLendofspringisinstalled
behinddeckedgebeforeinstallingtheboltasshown
inFigure79.
3.Installboltandnut.PlacetheJhookendofspring
aroundgrassdeector(Figure79).
51
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Cleaning
Storage
CleaningUndertheMower
ServiceInterval:Beforeeachuseordaily
Removethegrassbuildupunderthemowerdaily.
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Raisethefrontofthemachineandusejackstandsto
supportthemower.
WasteDisposal
Engineoil,batteries,hydraulicoil,andenginecoolant
arepollutantstotheenvironment.Disposeofthese
accordingtoyourstateandlocalregulations.
CleaningandStorage
1.Disengagethepowertakeoff(PTO),settheparking
brake,andturntheignitionkeytooff.Removethe
key.
2.Removegrassclippings,dirt,andgrimefromthe
externalpartsoftheentiremachine,especiallythe
engine.Cleandirtandchafffromtheoutsideofthe
engine’scylinderheadnsandblowerhousing.
Important:Youcanwashthemachinewith
milddetergentandwater.Donotpressurewash
themachine.Avoidexcessiveuseofwater,
especiallynearthedrivesystemandengine.
Pressurewashingcanforcedirtandwaterinto
criticalparts,suchasspindlebearingsand
electricalswitches.
3.Checkthebrake;refertoServicingtheBrakein
BrakeMaintenance(page36).
4.Servicetheaircleaner;refertoServicingtheAir
Cleanerin
5.Greasethemachine;refertoGreasingand
LubricationinLubrication(page24).
EngineMaintenance(page25).
6.Changetheengineoil;refertoServicingtheEngine
EngineMaintenance(page25).
in
7.Checkthetirepressure;refertoCheckingtheTire
Pressurein
8.Forlong-termstorage:
A.Addstabilizer/conditioneradditivetofuelinthe
tank.
B.Runenginetodistributeconditionedfuelthrough
thefuelsystem(5minutes).
C.Stopengine,allowtocoolanddrainthefuel
tank;refertoServicingtheFuelTankin
FuelSystemMaintenance(page28),oroperate
engineuntilitstops.
D.Restartengineandrununtilitstops.Repeat,on
Chokeuntilenginewillnotrestart.
E.Disposeoffuelproperly .Recycleasperlocal
codes.
Note:Donotstorestabilizer/conditioned
gasolineover90days.
9.Removethesparkplug(s)andcheckits
condition;refertoServicingtheSparkPlugin
EngineMaintenance(page25).Withthespark
plug(s)removedfromtheengine,pourtwo
tablespoonsofengineoilintothesparkplug
hole.Nowusethestartertocranktheengineand
DriveSystemMaintenance(page33).
52
Page 53

distributetheoilinsidethecylinder.Installthespark
plug(s).Donotinstallthewireonthesparkplug(s).
10.Checkandtightenallbolts,nuts,andscrews.Repair
orreplaceanypartthatisdamagedordefective.
11.Paintallscratchedorbaremetalsurfaces.Paintis
availablefromyourAuthorizedServiceDealer.
12.Storethemachineinaclean,drygarageorstorage
area.Removethekeyfromtheignitionswitchand
keepitinamemorableplace.Coverthemachineto
protectitandkeepitclean.
53
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Troubleshooting
Problem
Enginewillnotstart,startshard,orfails
tokeeprunning.
Enginelosespower.
PossibleCauseCorrectiveAction
1.Fueltankisempty.
2.Chokeisnoton.
3.Aircleanerisdirty.
4.Sparkplugwireislooseor
disconnected.
5.Sparkplugispitted,fouled,orthegap
isincorrect.
6.Dirtinthefuellter.6.Replacethefuellter.
7.Dirt,water,orstalefuelisinthefuel
system.
8.Thegapbetweentheneutralswitch
boltandtheswitchisnotcorrect.
1.Engineloadisexcessive.1.Reducethegroundspeed.
2.Aircleanerisdirty.
3.Oillevelinthecrankcaseislow .
4.Coolingnsandairpassagesunder
theengineblowerhousingareplugged.
5.Sparkplugispitted,fouled,orthegap
isincorrect.
6.Ventholeinthefuelcapisplugged.6.Cleanorreplacethefuelcap.
7.Dirtinthefuellter.7.Replacethefuellter.
8.Dirt,water,orstalefuelisinthefuel
system.
1.Fillfueltankwithgasoline.
2.Movethechokelevertochokeposition.
3.Servicetheaircleanerelement.
4.Installwireonsparkplug.
5.Installanew,correctlygappedspark
plug.
7.ContactanAuthorizedServiceDealer.
8.ContactanAuthorizedServiceDealer.
2.Servicetheaircleaner.
3.Addoiltothecrankcase.
4.Removetheobstructionfromthe
coolingnsandairpassages.
5.Installanew,correctlygappedspark
plug.
8.ContactanAuthorizedServiceDealer.
Engineoverheats.
Machinedoesnotdrive.
Abnormalvibration.
Unevencuttingheight.
1.Engineloadisexcessive.1.Reducethegroundspeed.
2.Oillevelinthecrankcaseislow .
3.Coolingnsandairpassagesunder
theengineblowerhousingareplugged.
1.Hydraulicoilreservoirlow.1.Addhydraulicoiltothereservoir.
2.Airinthehydraulicsystem.2.Bleedtheairoutthehydraulicsystem.
3.Pumpdrivebeltslipping.3.Replacethepumpdrivebelt.
4.Pumpdrivebeltidlerspringmissing.4.Replacethepumpdrivebeltidler
1.Cuttingblade(s)is/arebentor
unbalanced.
2.Blademountingboltisloose.2.Tightentheblademountingbolt.
3.Enginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Looseenginepulley,idlerpulley,or
bladepulley .
5.Enginepulleyisdamaged.
6.Bladespindleisbent.
1.Blade(s)notsharp.1.Sharpentheblade(s).
2.Cuttingblade(s)is/arebent.2.Installnewcuttingblade(s).
3.Mowerisnotlevel.3.Levelthemowerside-to-sideposition.
4.Mowerpitchiswrong.
5.Undersideofmowerisdirty.5.Cleantheundersideofthemower.
6.Tirepressureisnotcorrect.6.Adjustthetirepressure.
7.Bladespindlebent.
2.Addoiltothecrankcase.
3.Removetheobstructionfromthe
coolingnsandairpassages.
spring.
1.Installnewcuttingblade(s).
4.Tightentheappropriatepulley.
5.ContactanAuthorizedServiceDealer.
6.ContactanAuthorizedServiceDealer.
4.Adjustthefront-to-rearpitch.
7.ContactanAuthorizedServiceDealer.
54
Page 55

Problem
PossibleCauseCorrectiveAction
Bladesdonotrotate.
1.Drivebeltisworn,looseorbroken.
2.Drivebeltisoffpulley.
3.Deckbeltisworn,looseorbroken.3.Installnewdeckbelt.
4.Deckbeltisoffpulley.
5.Brokenormissingidlerspring.5.Replacethespring.
6.Electricclutchoutofadjustment.
7.Clutchconnectororwiredamaged.7.ContactanAuthorizedServiceDealer.
8.Damagedelectricclutch.
9.Safetyinterlocksystempreventsblade
rotation.
10.PTOswitchisfaulty .10.ContactanAuthorizedServiceDealer.
1.Checkthebelttension.
2.Installdrivebeltandcheckadjusting
shaftsandbeltguidesforcorrect
position.
4.Installdeckpulleyandchecktheidler
pulley,idlerarmandspringforcorrect
positionandfunction.
6.Adjusttheclutchairgap.
8.ContactanAuthorizedServiceDealer.
9.ContactanAuthorizedServiceDealer.
55
Page 56

Schematics
HydraulicSchematic(Rev.A)
56
Page 57

ElectricalSchematic(Rev.A)
57
Page 58

Notes:
58
Page 59

Notes:
59
Page 60

TheToroTotalCoverageWarranty
ALimitedWarranty(seewarrantyperiodsbelow)
Landscape
Contractor
Equipment(LCE)
ConditionsandProductsCovered
TheToroCompanyanditsafliate,ToroWarrantyCompany,pursuantto
anagreementbetweenthem,jointlypromisetotheoriginalpurchaser
torepairtheToroProductslistedbelowifdefectiveinmaterialsor
workmanship.
Thefollowingtimeperiodsapplyfromthedateofpurchasebytheoriginal
owner:
ProductsWarrantyPeriod
AllMowers
•Engine**
•Battery1year
•Attachments1year
Mid-SizeWalk-BehindMowers
GrandStand
•Frame
ZMaster
•Engine
•Frame
ZMaster
•Frame
*Whicheveroccursrst.
**SomeenginesusedonToroLCEProductsarewarrantedbytheenginemanufacturer.Kawasaki
FXengineshavea3yearwarrantytermforresidentialuse.Residentialusemeansuseofthe
productonthesamelotasyourhome.
***LifetimeFrameWarranty-Ifthemainframe,consistingofthepartsweldedtogethertoformthe
tractorstructurethatothercomponentssuchastheenginearesecuredto,cracksorbreaksin
normaluse,itwillberepairedorreplaced,atToro’ soption,underwarrantyatnocostforparts
andlabor.Framefailureduetomisuseorabuseandfailureorrepairrequiredduetorustor
corrosionarenotcovered.
Thiswarrantyincludesthecostofpartsandlabor,butyoumustpay
transportationcosts.
TM
Mowers5yearsor1,200hours*
®
Z400,Z500Mowers
®
G3Mowers5yearsor1,200hours*
2years
2years
Lifetime(originalowneronly)***
4yearsor1,200hours*
2years**
Lifetime(originalowneronly)***
Lifetime(originalowneronly)***
InstructionsforObtainingWarrantyService
IfyouthinkthatyourT oroProductcontainsadefectinmaterialsor
workmanship,followthisprocedure:
1.ContactanyAuthorizedToroServiceDealertoarrangeserviceattheir
dealership.Tolocateadealerconvenienttoyou,refertotheY ellow
Pagesofyourtelephonedirectory(lookunder“LawnMowers”)or
accessourwebsiteatwww.T oro.com.Youmayalsocallthenumbers
listedinitem#3tousethe24-hourToroDealerlocatorsystem.
2.Bringtheproductandyourproofofpurchase(salesreceipt)tothe
ServiceDealer.Thedealerwilldiagnosetheproblemanddetermine
ifitiscoveredunderwarranty.
3.IfforanyreasonyouaredissatisedwiththeServiceDealer’s
analysisorwiththeassistanceprovided,contactusat:
RLCCustomerCareDepartment
ToroWarrantyCompany
811 1LyndaleAvenueSouth
Bloomington,MN55420-1196
888-865-5676(U.S.Customers)
888-865-5691(Canadacustomers)
OwnerResponsibilities
YoumustmaintainyourT oroProductbyfollowingthemaintenance
proceduresdescribedintheOperator’sManual.Suchroutine
maintenance,whetherperformedbyadealerorbyyou,isatyourexpense.
ItemsandConditionsNotCovered
Thereisnootherexpresswarrantyexceptforspecialemission
systemandenginewarrantycoverageonsomeproducts.
Thisexpresswarrantydoesnotcoverthefollowing:
•Costofregularmaintenanceserviceorwearparts,suchaslters,
fuel,lubricants,tune-upparts,bladesharpening,brakeandclutch
adjustments.
•Anyproductorpartwhichhasbeenalteredormisusedandrequires
replacementorrepairduetonormalwear,accidents,orlackof
propermaintenance.
•Repairsnecessaryduetoimproperfuel,contaminantsinthefuel
system,orfailuretoproperlypreparethefuelsystempriortoany
periodofnon-useoverthreemonths.
•Pickupanddeliverycharges.
GeneralConditions
Allrepairscoveredbythesewarrantiesmustbeperformedbyan
AuthorizedToroServiceDealerusingToroapprovedreplacementparts.
NeitherTheToroCompanynorToroWarrantyCompanyisliablefor
indirect,incidentalorconsequentialdamagesinconnectionwiththe
useoftheT oroProductscoveredbythiswarranty,includingany
costorexpenseofprovidingsubstituteequipmentorserviceduring
reasonableperiodsofmalfunctionornon-usependingcompletion
ofrepairsunderthiswarranty.
Allimpliedwarrantiesofmerchantability(thattheproductistfor
ordinaryuse)andtnessforuse(thattheproductistforaparticular
purpose)arelimitedtothedurationoftheexpresswarranty
Somestatesdonotallowexclusionsofincidentalorconsequential
damages,orlimitationsonhowlonganimpliedwarrantylasts,so
theaboveexclusionsandlimitationsmaynotapplytoyou.
Thiswarrantygivesyouspeciclegalrights,andyoumayalsohaveother
rightswhichvaryfromstatetostate.
CountriesOtherthantheUnitedStatesorCanada
CustomerswhohavepurchasedToroproductsoutsidetheUnitedStatesorCanadashouldcontacttheirT oroDistributor(Dealer)toobtainguarantee
policiesforyourcountry,province,orstate.IfforanyreasonyouaredissatisedwithyourDistributor’sserviceorhavedifcultyobtainingguarantee
information,contacttheT oroimporter.Ifallotherremediesfail,youmaycontactusatToroWarrantyCompany.
374-0252RevA