Page 1
FormNo.3361-911RevA
CommercialWalk-BehindMower
FloatingDeck,T-Bar,Gearwith36in40in 
48inor52inTURBOFORCE
ModelNo.30094—SerialNo.290000001andUp
ModelNo.30096—SerialNo.290000001andUp
®
CuttingUnit
ModelNo.30098—SerialNo.290000001andUp
ModelNo.30099—SerialNo.290000001andUp
ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.  
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.
Theenclosed
Engine  Owner’  s  Man  ual
forinformationregardingtheUSEnvironmental 
ProtectionAgency(EPA)andtheCalifornia 
EmissionControlRegulationofemissionsystems, 
maintenance,andwarranty.Replacementsmaybe 
orderedthroughtheenginemanufacturer.
issupplied
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Introduction
Readthisinformationcarefullytolearnhowtooperate 
andmaintainyourproductproperlyandtoavoidinjury 
andproductdamage.Youareresponsibleforoperating 
theproductproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comfor 
productandaccessoryinformation,helpndinga 
dealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineT oroparts,or 
additionalinformation,contactanAuthorizedService 
DealerorToroCustomerServiceandhavethemodel 
andserialnumbersofyourproductready .Figure1 
identiesthelocationofthemodelandserialnumbers 
ontheproduct.Writethenumbersinthespace 
provided.
Thismanualidentiespotentialhazardsandhas 
safetymessagesidentiedbythesafetyalertsymbol 
(Figure2),whichsignalsahazardthatmaycauseserious 
injuryordeathifyoudonotfollowtherecommended 
precautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2otherwordstohighlightinformation. 
Important callsattentiontospecialmechanical 
informationandNoteemphasizesgeneralinformation  
worthyofspecialattention.
Contents
Introduction.................................................................2
Safety...........................................................................4
SafeOperatingPractices.......................................4
ToroMowerSafety...............................................5
SlopeChart..........................................................7
SafetyandInstructionalDecals.............................8
ProductOverview......................................................10
Controls.............................................................10
©2009—TheToro®Company 
8111LyndaleAvenueSouth 
Bloomington,MN55420
Contactusatwww.Toro.com.
2
PrintedintheUSA.
AllRightsReserved
Page 3
Specications.....................................................11
Attachments/Accessories...................................11
Operation...................................................................12
AddingFuel.......................................................12
CheckingtheEngineOilLevel............................13
ThinkSafetyFirst...............................................13
UsingtheParkingBrake......................................13
StartingandStoppingtheEngine........................13
OperatingtheMowerPowerTakeOff
(PTO)............................................................14
TheSafetyInterlockSystem................................15
DrivingForwardorBackward.............................15
UsingtheLowerControlBar..............................15
StoppingtheMachine.........................................16
TransportingMachines.......................................16
SideDischargingorMulchingtheGrass..............17
AdjustingtheHeight-of-Cut...............................17
AdjustingtheAnti-ScalpRollers.........................17
AdjustingtheHandleHeight..............................18
AdjustingtheFlowBafe...................................19
PositioningtheFlowBafe.................................20
UsingtheMid-SizeWeight..................................21
Maintenance...............................................................22
RecommendedMaintenanceSchedule(s)................22
Lubrication.............................................................22
HowtoGrease...................................................22
LubricatingtheCasterandWheel
Bearings.........................................................23
GreasingtheTransmissionCouplers...................23
GreasingthePTODriveBeltIdlerandMower
DeckBeltIdler...............................................23
EngineMaintenance...............................................24
ServicingtheAirCleaner....................................24
ServicingtheEngineOil.....................................25
ServicingtheSparkPlugs....................................27
FuelSystemMaintenance.......................................28
DrainingtheFuelTank.......................................28
ReplacingtheFuelFilter.....................................28
ElectricalSystemMaintenance................................29
ServicingtheFuse..............................................29
DriveSystemMaintenance.....................................30
AdjustingtheControlBar...................................30
CheckingtheTirePressure.................................30
ReplacingtheCasterWheelFork
Bushings........................................................31
ServicingtheCasterWheelandBearings.............31
AdjustingtheElectricClutch..............................32
CoolingSystemMaintenance..................................33
CleaningtheAirIntakeScreen............................33
BrakeMaintenance.................................................33
ServicingtheBrakes...........................................33
BeltMaintenance....................................................34
ReplacingtheTractionDriveBelt........................34
ReplacingtheTransmissionBelt.........................34
ReplacingtheMowerBelt...................................35
ReplacingthePTODriveBelt.............................36
AdjustingthePTODriveBeltIdlerSpring
Anchor...........................................................37
MowerDeckMaintenance......................................37
ServicingtheCuttingBlades...............................37
CorrectingtheMowerQualityofCut..................39
FrameSetUp.....................................................40
CheckingtheMowerDeckFront-to-Rear
Pitch...............................................................41
ChangingtheMowerDeckFront-to-Rear
Pitch...............................................................42
CheckingtheMowerDeckSide-to-Side
Height............................................................42
ChangingtheMowerDeckSide-to-Side
Height............................................................43
MatchingHeightofCut......................................43
ReplacingtheGrassDeector.............................44
Storage.......................................................................45
CleaningandStorage..........................................45
Troubleshooting.........................................................46
Schematics.................................................................48
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Safety
Note:Theadditionofattachmentsmadeby 
othermanufacturersthatdonotmeetAmerican 
NationalStandardsInstitutecerticationwillcause 
noncomplianceofthismachine.
Improperuseormaintenancebytheoperatororowner 
canresultininjury.Toreducethepotentialforinjury, 
complywiththesesafetyinstructionsandalwayspay 
attentiontothesafetyalertsymbol
SafeOperatingPractices
–Useonlyanapprovedcontainer
–Neverremovegascaporaddfuelwithengine
running.Allowenginetocoolbeforerefueling. 
Donotsmoke.
–Neverrefuelordrainthemachineindoors.
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Operation
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ThefollowinginstructionsarefromANSIstandard 
B71.4-2004.
Training
•Operator’sManualandothertraining  
material.Iftheoperator(s)ormechanic(s)cannot 
readEnglishitistheowner’sresponsibilitytoexplain 
thismaterialtothem.
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Preparation
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Maintenanceandstorage
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ToroMowerSafety
Thefollowinglistcontainssafetyinformationspecic 
toToroproductsandothersafetyinformationyoumust 
know .
Thisproductiscapableofamputatinghandsand 
feetandthrowingobjects.Alwaysfollowallsafety 
instructionstoavoidseriousinjuryordeath.
Thisproductisdesignedforcuttingandrecyclinggrass 
or,whenequippedwithagrassbagger,forcatching 
cutgrass.Anyuseforpurposesotherthanthesecould 
provedangeroustouserandbystanders.
GeneralOperation
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SlopeOperation
Allslopesandrampsrequireextracaution.Ifyoufeel 
uneasyonaslope,donotmowit.
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Service
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SlopeChart7SafetyandInstructionalDecals
Page 8
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
82- 2280
REV ERSE    TRAC T I ON DRI V E
potentialdanger.Replaceanydecalthatisdamagedorlost.
82-2280
82-2290
43-8480
95-2814
52-2010
66-1340
1.Warning—wearhearingprotection.
68-8340
98-0776
98-3256
98-4387
98-5954
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106-0699
104-8185
110-2067
104-8186
104-8569
110-2068
1.ReadtheOperator’sManual. 
105-7798
106-0635
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105-0884
110-4971
1.Engine—stop
2.Engine—Start
ProductOverview
Figure3
1.Sidedischargechute
2.Mowerdeck
3.Recoilstarter
4.Gastank
7.Casterwheel
Controls
Becomefamiliarwithallthecontrols(Figure4)before 
youstarttheengineandoperatethemachine.
Figure4
1.Gearshiftlever
2.Powertakeoffswitch 
(PTO)
3.Chokecontrol
4.Lowerhandle
5.Lowercontrolbar
6.Parkingbrake 
lever-releasedposition
7.Bladecontrolbail
8.Uppercontrolbar
9.Upperhandle
12.Fuelshut-offvalve
ThrottleControl
Thethrottlecontrolhastwopositions:FastandSlow.  
Choke
Usethechoketostartacoldengine.
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BladeControlBail
Specications
Thebailisusedinconjunctionwiththepowertakeoff 
switch(PTO)toengagetheclutchtodrivethemower 
blades.Releasethemowercontrolbailtodisengagethe 
mowerblades.
PowerTakeOffSwitch(PTO)
Thispullswitchisusedinconjunctionwiththeblade 
controlbailtoengagetheclutchtodrivethemower 
blades.
GearShiftLever
Thetransmissionhasveforwardspeeds,neutraland 
reverse,andhasanin-lineshiftpattern.
Important: Donotshiftwhileunitismoving,as 
transmissiondamagemayoccur.
UpperControlBar
Shifttothedesiredgearandpushforwardontheupper 
controlbartoengageforwardtractionoperationand 
pullbacktobrakeforwardmovement.Pullbackon 
rightsideofuppercontrolbartoturnrightandleftside 
toturnleft.
LowerControlBar
Note:Specicationsanddesignaresubjecttochange 
withoutnotice.
36inchmowers:
Widthwithdeectordown
Length
Heightwithhandleinlowest 
position
Weight
40inchmowers:
Widthwithdeectordown
Length
Heightwithhandleinlowest 
position
Weight
48inchmowers:
Widthwithdeectordown
Length
Heightwithhandleinlowest 
position
Weight
82–3/4inches(210cm)
41–3/16inches(105cm)
588lb(267kg)
79–1/2inches(202cm)
41–3/16inches(105cm)
596lb(270kg)
82inches(208cm)
41–3/16inches(105cm)
649lb(294kg)
Shifttransmissiontoreverseandsqueezethelower 
controlbarandhandletogethertoengagerearward 
tractionassistoperation.
ParkingBrakeLever
Pullbackonuppercontrolbarandswingbrakeleverup 
againsttheupperhandle(Figure4).
IgnitionSwitch
Thisswitchisusedinconjunctionwithrecoilstarterand 
hastwopositions:RunandOff.  
RecoilStarter
Pullrecoilstarterhandletostartengine(notshownin 
Figure4).
FuelShut-offValve
Closethefuelshut-offvalvewhentransportingor 
storingmower.
52inchmowers:
Widthwithdeectordown
Length
Heightwithhandleinlowest 
position
Weight
82inches(208cm)
41–3/16inches(105cm)
684lb(310kg)
Attachments/Accessories
AselectionofToroapprovedattachmentsand 
accessoriesareavailableforusewiththemachineto 
enhanceandexpanditscapabilities.Contactyour 
AuthorizedServiceDealerorDistributororgoto 
www.T oro.comforalistofallapprovedattachments 
andaccessories.
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Operation
Note:Determinetheleftandrightsidesofthe 
machinefromthenormaloperatingposition.
AddingFuel
Useunleadedregulargasolinesuitableforautomotive  
use(85pumpoctaneminimum).Leadedregular 
gasolinemaybeusedifunleadedregularisnotavailable.
Important: Neverusemethanol,gasoline 
containingmethanol,orgasoholcontainingmore 
than10%ethanolbecausethefuelsystemcouldbe 
damaged.Donotmixoilwithgasoline.
Incertainconditions,gasolineisextremely 
ammableandhighlyexplosive.Areor 
explosionfromgasolinecanburnyouand 
othersandcandamageproperty.
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Incertainconditionsduringfueling,static 
electricitycanbereleasedcausingaspark 
whichcanignitethegasolinevapors.Are 
orexplosionfromgasolinecanburnyouand 
othersandcandamageproperty.
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Gasolineisharmfulorfatalifswallowed. 
Long-termexposuretovaporscancauseserious 
injuryandillness.
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UsingStabilizer/Conditioner
Useafuelstabilizer/conditionerinthemachineto 
providethefollowingbenets:
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Important: Donotusefueladditivescontaining 
methanolorethanol.
Addthecorrectamountofgasstabilizer/conditioner 
tothegas.
Note: Afuelstabilizer/conditionerismosteffective 
whenmixedwithfreshgasoline.Tominimizethe 
chanceofvarnishdepositsinthefuelsystem,usefuel 
stabilizeratalltimes.
Figure5
1.Warning—wearhearingprotection.
UsingtheParkingBrake
FillingtheFuelTank
1.Shuttheengineoffandsettheparkingbrake.
2.Cleanaroundeachfueltankcapandremovethecap.
3.Addunleadedregulargasolinetobothfueltanks, 
untilthelevelis1/4to1/2inch(6mmto13mm) 
belowthebottomofthellerneck.
Thisspaceinthetankallowsgasolinetoexpand. 
Donotllthefueltankscompletelyfull.
4.Installfueltankcapssecurely.
5.Wipeupanygasolinethatmayhavespilled.
CheckingtheEngineOilLevel
Beforeyoustarttheengineandusethemachine,check 
theoillevelintheenginecrankcase;refertoChecking 
OilLevelin,page
Note: Determinetheleftandrightsidesofthe 
machinefromthenormaloperatingposition.
Stoponlevelground,disengagedrives,engageparking 
brake,shutoffengineandremovekey.Alwayssetthe 
parkingbrakewhenyoustopthemachineorleaveit 
unattended.
SettingtheParkingBrake
1.Pulltheuppercontrolbar(Figure6)rearwardand 
holditinthisposition.
2.Lifttheparkingbrakelock(Figure6)upand 
graduallyreleasetheuppercontrolbar.Thebrake 
lockshouldstayintheset(locked)position.
ThinkSafetyFirst
Carefullyreadallthesafetyinstructionsanddecalsin 
thesafetysection.Knowingthisinformationcould 
helpyouoranybystandersavoidinjury.
Theuseofprotectiveequipmentforeyes,hearing,feet 
andheadisrecommended.
Thismachineproducessoundlevelsinexcess 
of85dBAattheoperator’searandcancause 
hearinglossthroughextendedperiodsof 
exposure.
Wearhearingprotectionwhenoperatingthis 
machine.
Figure6
1.Uppercontrolbar
2.Parkingbrakelever-set 
position
ReleasingtheParkingBrake
1.Pullrearwardontheuppercontrolbar.Lowerthe 
parkingbrakelocktothereleasedposition.
2.Graduallyreleasetheuppercontrolbar.
StartingandStoppingthe 
Engine
StartingtheEngine
1.Makesuresparkplugwire(s)areinstalledonspark 
plug(s)andfuelvalveisopen.
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2.Movetheshiftlevertoneutral,settheparkingbrake 
andturnignitionkeytorun.
3.Movethethrottlecontroltofastandmovethe 
chokelevertotheonpositionbeforestartingacold 
engine.
Note: Awarmorhotengineusuallydoesnot 
requireanychoking.Tostartawarmengine,move 
throttlecontroltothefastposition. 
OperatingtheMowerPower 
TakeOff(PTO)
Thepowertakeoffswitch(PTO)inconjunctionwith 
thebladecontrolbailengagesanddisengagespowerto 
theelectricclutchandmowerblades.
EngagingtheMowerBlades(PTO)
4.Grasprecoilstarterhandlermlyandpullout 
untilpositiveengagementresults;thenpullhandle 
vigorouslytostartengineandallowropetorecoil 
slowly.
Important: Donotpullrecoilropetoitslimit 
orletgoofthestarterhandlewhenropeis 
pulledoutbecauseropemaybreakorrecoil 
assemblymaybedamaged.
StoppingtheEngine
1.Movethethrottlelevertotheslowposition  
(Figure7).
2.Letengineidlefor30to60secondsbeforeturning 
theignitionkeytooff. 
3.Turntheignitionkeytooff(Figure7). 
1.Releasetheuppercontrolbartostopthemachine 
(Figure8).
2.Toengagetheblades,squeezebladecontrolbail 
againsttheuppercontrolbar(Figure8).
3.Pullthepowertakeoffswitch(PTO)upand 
release.Holdthebladecontrolbailagainstthe 
uppercontrolbarwhileoperating.
4.Repeattheproceduretoengagethemowerbladesif 
thebladecontrolbailisreleased.
Figure7
1.Throttlelever
4.Settheparkingbrakeandremovekey.
5.Pullthewireoffsparkplug(s)topreventpossibility 
ofaccidentalstartingbeforestoringmachine.
6.Closethefuelshutoffvalvebeforestoringmachine.
Important: Makesurethefuelshutoffvalveis 
closedbeforetransportingorstoringmachine, 
asfuelleakagemayoccur.
Figure8
1.Uppercontrolbar
2.Bladecontrolbail
3.Powertakeoffswitch 
(PTO)
DisengagingtheMowerBlades(PTO)
Releasethebladecontrolbailtodisengagetheblades 
(Figure8).
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TheSafetyInterlockSystem
Ifthesafetyinterlockswitchesaredisconnected 
ordamagedthemachinecouldoperate 
unexpectedlycausingpersonalinjury.
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throttlecontrolinthefastpositionforbestmowing  
performance.
DrivingForward
1.Togoforward,movetheshiftlevertoaforward 
gear(Figure9).
2.Releasetheparkingbrake;refertoReleasingthe 
ParkingBrakeinOperation.
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UnderstandingtheSafetyInterlock 
System
Thesafetyinterlocksystemisdesignedtopreventthe 
mowerbladesfromrotatingunless:
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•on. 
Thesafetyinterlocksystemisdesignedtostopthe 
mowerbladesifyoureleasethebladecontrolbail.
TestingtheSafetyInterlockSystem
ServiceInterval: Beforeeachuseordaily
Testthesafetyinterlocksystembeforeyouusethe 
machineeachtime.
3.Slowlypressontheuppercontrolbartomove 
forward(Figure9).
Togostraight,applyequalpressuretobothendsof 
theuppercontrolbar(Figure9).
Toturn,releasepressureontheuppercontrolbar 
sideinthedirectionyouwanttoturn(Figure9).
Note: Ifthesafetysystemdoesnotoperateas 
describedbelow ,haveanAuthorizedServiceDealer 
repairthesafetysystemimmediately.
1.Settheparkingbrakeandstarttheengine;referto 
StartingandStoppingtheEngine.
2.Squeezethebladecontrolbailagainstuppercontrol 
bar.Thebladesshouldnotrotate. 
3.Thencontinueholdingthebladecontrolbailand 
pulluponthebladecontrolswitchandrelease.The 
clutchshouldengageandthemowerbladesbegin 
rotating.
4.Releasethebladecontrolbail.Thebladesshould 
stoprotating.
5.Withtheenginerunning,pullupthepowertakeoff 
switch(PTO)andreleasewithoutholdingtheblade 
controlbail.Thebladesshouldnotrotate. 
DrivingForwardorBackward
Thethrottlecontrolregulatestheenginespeedas 
measuredinRPM(revolutionsperminute).Placethe
Figure9
1.Uppercontrolbar
2.Lowercontrolbar
3.Shiftlever
DrivingBackward
1.Togobackward,movetheshiftlevertoreversegear.
2.Releasetheparkingbrake;refertoReleasingthe 
ParkingBrake.
3.Slowlysqueezethelowercontrolbarandlower 
handletogethertomoverearward(Figure9).
UsingtheLowerControlBar
Thisprocedureisfordrivingupacurb.Thiscanbe 
performedwhiledrivingforwardorbackward.
Note: Somecurbsdonotallowthereardrivetiresto 
contactthecurb.Ifthishappens,drivethemachineup 
thecurbatanangle.
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Abladecanbebentordamagedwhendriving 
upacurb.Piecesofbladethatmaybethrown 
couldseriouslyinjureorkillyouorbystanders.
Donotrunbladeswhiledrivingupacurb 
forwardorbackward.
DrivingForwardUpaCurb
DrivingBackwardUpaCurb
1.Disengagethemowerblades.
2.Selectreversetodrivemachine.
3.Drivethemachineuntildrivewheelscontactcurb 
(Figure10).
Note: Bothdrivewheelsshouldcontactthecurb 
andcasterwheelsstraight.
4.Atthesametimeengagelowercontrolbarandlift 
uponthelowerhandle(Figure9andFigure10).
1.Disengagethemowerblades.
2.Selectrstgeartodrivethemachine.
3.Drivemachineuntilthecastorwheelscontactthe 
curb(Figure10).
4.Liftthefrontofthemachinebypushingdownon 
thelowerhandle(Figure10).
5.Drivethemachineuntildrivewheelscontactthe 
curb(Figure10).
6.Lowerthefrontofthemachine(Figure10).
Note: Bothdrivewheelsshouldcontactthecurb 
andcasterwheelsstraight.
7.Atthesametime,engagethelowercontrolbarand 
liftuponthelowerhandletodriveoverthecurb 
(Figure9andFigure10).
Note: Liftinguponthelowerhandlewillassist 
drivingthemachineupacurbandnotspinthe 
drivewheels.
Note: Liftinguponthelowerhandlewillassist 
drivingthemachineupacurbandnotspinthe 
drivewheels.
StoppingtheMachine
Tostopthemachine,pullbackontheuppercontrol 
bar,releasethebladecontrolbail,andturntheignition 
keytooff.Alsosettheparkingbrakeifyouleavethe 
machineunattended;refertoSettingtheParkingBrake 
in,page.Remembertoremovethekeyfromthe 
ignitionswitch.
Childrenorbystandersmaybeinjuredifthey 
moveorattempttooperatethemachinewhile 
itisunattended.
Alwaysremovetheignitionkeyandsetthe 
parkingbrakewhenleavingthemachine 
unattended,evenifjustforafewminutes.
1.LowerControlBar 
engagedandmower 
inreverse.
2.Pulluptoassistmachine
Figure10
3.LowerControlBar 
engagedandmower 
goingforward.
TransportingMachines
Useaheavy-dutytrailerortrucktotransportthe 
machine.Ensurethatthetrailerortruckhasall 
necessarybrakes,lighting,andmarkingasrequiredby 
law .Pleasecarefullyreadallthesafetyinstructions. 
Knowingthisinformationcouldhelpyou,yourfamily, 
petsorbystandersavoidinjury.
Totransportthemachine:
1.Ifusingatrailer,connectittothetowingvehicle 
andconnectthesafetychains.
2.Ifapplicable,connectthetrailerbrakes.
3.Loadthemachineontothetrailerortruck.
4.Stoptheengine,removethekey ,setthebrake,and 
closethefuelvalve.
5.Usethemetaltiedownloopsonthemachineto 
securelyfastenthemachinetothetrailerortruck 
withstraps,chains,cable,orropes(Figure11).
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Figure11
1.Tractionunittiedownloop
SideDischargingorMulching 
theGrass
Thismowerhasahingedgrassdeectorthatdisperses 
clippingstothesideanddowntowardtheturf.
Note: Allheight-of-cutpinscanusetwospacers 
maximum.
1.Selectholeinheight-of-cutpostandnumberof 
spacerscorrespondingtotheheight-of-cutdesired 
(Figure12).
2.Usingthelifthandle,raisesideofdeckandremove 
hairpincotter(Figure12).
3.Addorremovespacersifneededandthenalignthe 
holesandinsertthehairpincotter(Figure12).
Note: Spareheight-of-cutspacersmaybestored 
onpostsandretainedbyahairpincotter.
Important: Allfourhairpincotterpinsmustbe 
inthesameholelocationandwiththecorrect 
numberofspacersforalevelcut.
Withoutthegrassdeector,dischargecover, 
orcompletegrasscatcherassemblymounted 
inplace,youandothersareexposedtoblade 
contactandthrowndebris.Contactwith 
rotatingmowerblade(s)andthrowndebriswill 
causeinjuryordeath.
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AdjustingtheHeight-of-Cut
Theheight-of-cutcanbeadjustedfrom1to4-1/2 
inches(25to114mm)in1/4inch(6mm)increments. 
Adjustmentisdonebyrelocatingfourhairpincotter 
pinsindifferentholelocationsandbyaddingor 
removingspacers.
Figure12
1.CarrierFrame
2.HairpinCotter
3.Backheight-of-cutpost
AdjustingtheAnti-Scalp 
Rollers
Theanti-scalprollersneedtobeadjustedintheproper 
holelocationforeachheight-of-cutposition.There 
needstobe3/8inch(10mm)minimumclearance 
abovetheground.
Note: Allheight-of-cutpinsneedatleastonespacer 
ordamagecanoccurtothebushingifnoneareused.
Note: Iftheanit-scalprollersareadjustedtoolow,it 
cancauseexcesswearoftherollers.
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1.Afteradjustingtheheight-of-cut,checkthe 
anti-scalprollerssothatthereisaminimumof 
3/8inch(10mm)clearanceabovetheground 
(Figure13,Figure14,Figure15).
2.Ifadjustmentisneeded,removethebolt,washers 
andnut(Figure13,Figure14,Figure15).
3.Selectaholepositionsotheanti-scalprollersare 
aminimumof3/8inch(10mm)offtheground 
(Figure13,Figure14,Figure15).
4.Installtheboltandnut(Figure13,Figure14, 
Figure15).
Figure14
40inch,48inch,and52inchMowerDecks
1.Mowerdeck
2.Bolt
3.Spacer
6.Nut
Figure13
40inch,48inch,and52inchMowerDecks
1.Mowerdeck
2.Bolt
3.Spacer
Figure15
36inchMowerDeck
1.Mowerdeck
2.Bolt
3.Spacer
5.Incertainmowingconditionsandterrain,a 
mismatchofcuttingheightmaybeseen.Adjusting 
theoutsideanti-scalprollerstotheminimumsetting 
of3/8inch(10mm)willhelppreventthemower 
deckcuttingtoolowontheoutsideandminimize 
themismatch.
AdjustingtheHandleHeight
Thehandlepositioncanbeadjustedtomatchthe 
operator’sheightpreference.
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Page 19
1.Removethehairpincotter,washerandclevispin 
securingcontrolrodttingtotheidlerbracket 
(Figure16).
Figure16
1.Controlrodandtting
2.Idlerbracket
3.Clevispin
4.Washer
5.Checkthecontrolbarforcorrectadjustment.Refer 
toAdjustingtheControlBarinthemaintenance 
section.
6.Checktheparkingbrakeadjustment.Referto 
CheckingtheBrakesinthemaintenancesection.
AdjustingtheFlowBafe
Themowerdischargeowcanbeadjustedfordifferent 
typesofmowingconditions.Positionthecamlockand 
bafetogivethebestqualityofcut.
1.DisengagethePTO,movethemotioncontrol 
leverstotheneutrallockedpositionandsetthe 
parkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Toadjustthecamlock,swingtheleveruptoloosen 
thecamlock(Figure18).
2.Loosentheupperangebolts(3/8x1inch)and 
theangenutsecuringthehandletotherearframe 
(Figure17).
Figure17
1.Upperhandle
2.Rearframe
3.Flangenut,(3/8inch)
4.Flangebolt,(3/8x1inch)
6.Lowermountingholes
7.Lowposition
8.Highposition
3.Removethelowerangebolts(3/8x1inch)and 
angenutssecuringthehandletotherearframe 
(Figure17).
4.Adjustthebafeandcamlockintheslottothe 
desireddischargeow.
5.Swingtheleverbackovertotightenthebafeand 
camlock(Figure18).
6.Ifthecamdoesnotlockthebafeintoplaceoritis 
tootight,loosentheleverandthenrotatethecam 
lock.Adjustthecamlockuntilthedesiredlocking 
pressureisachieved.
Figure18
1.Camlock
2.Lever
3.Rotatecamtoincreaseor
decreaselockingpressure
4.Pivotthehandletothedesiredoperatingposition 
andinstallthelowerangebolts(3/8x1inch)and 
theangenutsintothemountingholes.Tighten 
allangebolts.
19
Page 20
PositioningtheFlowBafe
Thefollowingguresareonlyrecommendationsfor 
use.Adjustmentswillvarybygrasstype,moisture 
content,andheightofgrass.
Note: Iftheenginepowerdrawsdownandthemower 
groundspeedisthesame,openupthebafe.
PositionA
Thisisthefullrearposition(seeFigure19).The 
suggesteduseforthispositionisafollows.
•
•
•
•
Figure20
PositionC
Figure19
PositionB
Usethispositionwhenbagging(Figure20).
Thisisthefullopenposition.Thesuggestedusefor 
thispositionisasfollows(Figure21).
•
•
•
•
•
Figure21
20
Page 21
UsingtheMid-SizeWeight
Weightsareinstalledoncertainmowerstoimprove 
balanceandimproveperformance.Theweightscanbe 
movedorremovedtocreateoptimizedperformance 
underdifferentmowingconditionsandforoperator 
preference(Figure22orFigure23).
Thefollowingtableindicatesthepositionoftheweight 
asinstalledatthefactory.
MowerDeckSize
36inches
40inches
48inches
52inches
install
none
Positionofthe
•
•
®
Sulkyisinstalled.
®
Sulkyisinstalledfrontweights 
areneeded.ContactanAuthorizedServiceDealer 
forthecorrectquantityofweightsandplacement.
Thefrontendofthemachinecanrapidlyrise 
upwhenthemowerisremoved.Thiscould 
causeseriousinjurytoyouorbystanders.
Supporttherearofthemachinewhenremoving 
themowerformthecarrierframe.
weight
Figure22
Installingthefrontweight.
1.Bolt
2.Washer
Figure23
Installingtherearweight.
1.Nut
2.Weight
21
Page 22
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition. 
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
Aftertherst8hours
Beforeeachuseordaily
Every25hours
Every50hours
Every100hours
Every200hours
MaintenanceProcedure
•Changetheengineoil.
•Checkthesafetyinterlocksystem.
•Greasethecasterwheelsandcasterpivot.
•Checktheengineoillevel.
•Cleantheairintakescreen.
•Checkthebrakesonbothalevelsurfaceandslope.
•Inspecttheblades.
•Cleanfoamaircleanerelement.
•GreasethePTObeltidler.
•Greasethemowerdeckbeltidler.
•Checkthepaperaircleanerelement.
•Checkthetirepressure
•Checkthetractiondrivebelt
•Checkthetransmissionbelt.
•Checkthemowerbelt.
•CheckthePTOdrivebelt.
•Changetheengineoil.
•Checkthesparkplugs.
•Adjusttheelectricclutch.
•Replacethepaperaircleanerelement.
•Changetheoillter.
•Replacethefuellter.
Every250hours
Every400hours
Beforestorage
•Greasethetransmissioncouplers(moreoftenindirtyordustyconditions).
•Greasethefrontwheelbearings(moreoftenindirtyordustyconditions).
•Paintchippedsurfaces.
•Performallmaintenanceprocedureslistedabovebeforestorage.
Important: Refertoyourengineoperator’smanualforadditionalmaintenanceprocedures.
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentlystarttheengineandseriously 
injureyouorotherbystanders.
Removethekeyfromtheignitionanddisconnectthesparkplugwiresfromthesparkplugsbeforeyou 
doanymaintenance.Setthewiresasidesothattheydonotaccidentallycontactthesparkplugs.
Lubrication
GreasewithNo.2generalpurposelithiumbaseor 
molybdenumbasegrease.
HowtoGrease
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
22
Page 23
3.Cleanthegreasettingswitharag.Makesureto 
scrapeanypaintoffthefrontofthetting(s).
4.Connectagreaseguntothetting.Pumpgrease 
intothettingsuntilgreasebeginstooozeoutof 
thebearings.
5.Wipeupanyexcessgrease.
LubricatingtheCasterand 
WheelBearings
ServiceInterval: Beforeeachuseordaily
Every400hours
1.Lubricatethefrontcasterwheelbearingsandfront 
pivots(Figure24).
2.Raisetherearofthemachineandusejackstands 
tosupportthemachine.
Figure25
3.Removetherearwheelandtireassemblies.
4.Removetherearwheelgreasecap.Lubricatetherear 
wheelbearing(Figure24).
5.Installthegreasecap.
6.Installtherearwheelandtireassembly.
Note: Makesuretherearwheelgreasecapsare 
removedbeforelubricatingrearwheels.
GreasingthePTODriveBelt 
IdlerandMowerDeckBelt 
Idler
ServiceInterval: Every50hours—GreasethePTO
beltidler.
Every50hours—Greasethemower 
deckbeltidler.
Greasetheidlerpulleypivots(Figure26orFigure27).
Note: Youwillhavetoremovethecarriercoversto 
accessthegreasettingforthemowerdeck.
Figure24
GreasingtheTransmission 
Couplers
ServiceInterval: Every250hours
Lubricatethetransmissioncouplerslocatedintheback 
ofthemachine(Figure25).
Figure26
40inch,48inch,and52inchMowerDeckshown
23
Page 24
Figure27
36inchMowerDeckshown
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 
(Figure28).
4.Unscrewthecoverknobandremovetheaircleaner 
cover(Figure28).
5.Removethe2wingnutsandremovetheaircleaner 
assembly(Figure28).
6.Carefullypullthefoamelementoffthepaper 
element(Figure28).
24
Page 25
2.Placetheaircleanerassemblyontotheaircleaner 
baseandsecureitwiththe2wingnuts(Figure28).
3.Placetheaircleanercoverintopositionandtighten 
thecoverknob(Figure28).
ServicingtheEngineOil
ServiceInterval/Specication
ServiceInterval: Beforeeachuseordaily—Checkthe
engineoillevel.
Aftertherst8hours—Changethe 
engineoil.
Every100hours—Changetheengine 
oil.
Every200hours—Changetheoil 
lter.
Note: Changetheoilmorefrequentlywhenthe 
operatingconditionsareextremelydustyorsandy.
Figure28
1.Engine
2.Cover
3.Wingnut
5.Paperelement
6.Coverknob
CleaningtheFoamAirCleanerElement
1.Washthefoamelementinliquidsoapandwarm 
water.Whentheelementisclean,rinseitthoroughly .
2.Drytheelementbysqueezingitinacleancloth.
Important: Replacethefoamelementifitis 
tornorworn.
ServicingthePaperAirCleaner 
Element
1.Donotcleanthepaperlter,replaceit(Figure28).
2.Inspecttheelementfortears,anoilylm,ordamage 
totherubberseal.
3.Replacethepaperelementifitisdamaged.
InstallingtheFoamandPaperElements
OilType:Detergentoil(APIserviceSF,SG,SH,orSJ) 
CrankcaseCapacity:58ounces(1.7liter)withthelter 
removed;51ounces(1.5liter)withoutthelterremoved
Viscosity: Refertothetable(Figure29).
Figure29
CheckingtheEngineOilLevel
1.Parkthemachineonalevelsurface.
2.DisengagethePTOandsettheparkingbrake.
Important: Topreventenginedamage,always 
operatetheenginewiththecompletefoamand 
paperaircleanerassemblyinstalled.
1.Carefullyslidethefoamelementontothepaperair 
cleanerelement(Figure28).
3.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
4.Cleanaroundtheoildipstick(Figure30)sothatdirt 
cannotfallintothellerholeanddamagetheengine.
25
Page 26
Figure30
1.Oildipstick
2.Fillertube
5.Unscrewtheoildipstickandwipetheendclean 
(Figure30).
6.Slidetheoildipstickfullyintothellertube,butdo 
notthreadontotube(Figure30).
7.Pullthedipstickoutandlookattheend.Iftheoil 
levelislow ,slowlypouronlyenoughoilintotheller 
tubetoraisetheleveltotheFullmark.
Important: Donotoverllthecrankcasewith 
oilandruntheengine;enginedamagecan 
result.
Figure31
1.Oildrainvalve
9.Slowlypourapproximately80%ofthespeciedoil 
intothellertube(Figure30).
10.Checktheoillevel;refertoCheckingtheEngineOil 
Level.
ChangingtheEngineOil
1.Starttheengineandletitrunveminutes.This 
warmstheoilsoitdrainsbetter.
2.Parkthemachinesothatthedrainsideisslightly 
lowerthantheoppositesidetoassuretheoildrains 
completely.
3.DisengagethePTOandsettheparkingbrake.
4.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
5.Slidethedrainhoseovertheoildrainvalve.
6.Placeapanbelowthedrainhose.Rotateoildrain 
valvetoallowoiltodrain(Figure31).
7.Whenoilhasdrainedcompletely,closethedrain 
valve.
8.Removethedrainhose(Figure31).
Note: Disposeoftheusedoilatarecyclingcenter.
11.SlowlyaddtheadditionaloiltobringittotheFull  
mark.
ChangingtheOilFilter
Note:Changetheoilltermorefrequentlywhenthe 
operatingconditionsareextremelydustyorsandy.
1.Draintheoilfromtheengine;refertoChangingthe 
EngineOil.
2.Removetheoldlter(Figure32).
Figure32
1.Oillter
2.Adapter
3.Applyathincoatofnewoiltotherubbergasketon 
thereplacementlter(Figure32).
26
Page 27
4.Installthereplacementoilltertothelteradapter,
turntheoillterclockwiseuntiltherubbergasket 
contactsthelteradapter,thentightenthelteran 
additional3/4turn(Figure32).
5.Fillthecrankcasewiththepropertypeofnewoil; 
refertoServicingtheEngineOil.
6.Runtheengineforabout3minutes,stoptheengine, 
andcheckforoilleaksaroundtheoillteranddrain 
valve.
7.Checktheengineoillevelandaddoilifneeded.
8.Wipeupanyspilledoil.
ServicingtheSparkPlugs
ServiceInterval/Specication
ServiceInterval: Every100hours—Checkthespark
plugs.
Ensurethattheairgapbetweenthecenterandside 
electrodesiscorrectbeforeinstallingthesparkplug. 
Useasparkplugwrenchforremovingandinstallingthe 
sparkplugsandagappingtool/feelergaugetocheckand 
adjusttheairgap.Installanewsparkplugsifnecessary.
Type: Champion®RCJ8YorequivalentAirGap:
0.030inch(0.75mm)
4.Cleanaroundthesparkplugstopreventdirtfrom 
fallingintotheengineandpotentiallycausing 
damage.
5.Removethesparkplugsandthemetalwashers.
CheckingtheSparkPlugs
1.Lookatthecenterofthesparkplugs(Figure34). 
Ifyouseelightbrownorgrayontheinsulator,the 
engineisoperatingproperly.Ablackcoatingonthe 
insulatorusuallymeansthattheaircleanerisdirty.
2.Ifneeded,cleanthesparkplugwithawirebrushto 
removecarbondeposits.
Figure34
1.Centerelectrodeinsulator
2.Sideelectrode
RemovingtheSparkPlugs
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Disconnectthewiresfromthesparkplugs 
(Figure33).
Figure33
1.Spark-plugwire/sparkplug
Important: Alwaysreplacethesparkplugs 
whenithaswornelectrodes,anoilylmonit, 
orhascracksintheporcelain.
3.Checkthegapbetweenthecenterandsideelectrodes 
(Figure34).Bendthesideelectrode(Figure34)if 
thegapisnotcorrect.
InstallingtheSparkPlugs
1.Installthesparkplugsandthemetalwasher.Ensure 
thattheairgapissetcorrectly.
2.Tightenthesparkplugsto16ft-lb(22N-m).
3.Connectthewirestothesparkplugs(Figure34).
27
Page 28
Fuel
DrainingtheFuelTank
Incertainconditions,gasolineisextremely 
ammableandhighlyexplosive.Areor 
explosionfromgasolinecanburnyouand 
othersandcandamageproperty.
•
Figure35
1.Fuelshut-offvalve
•
1.Parkthemachineonalevelsurface,toensurethe 
fueltankdrainscompletely .Thendisengagethe 
powertakeoff(PTO),settheparkingbrake,and 
turntheignitionkeytooff.Removethekey . 
2.Closethefuelshut-offvalveatthefueltank 
(Figure35).
3.Squeezetheendsofthehoseclamptogether 
andslideitupthefuellineawayfromfuellter 
(Figure35).
4.Pullthefuellineoffthefuellter(Figure35).Open 
thefuelshut-offvalveandallowthegasolinetodrain 
intoagascanordrainpan.
Note: Nowisthebesttimetoinstallanewfuellter 
becausethefueltankisempty.RefertoReplacing 
theFuelFilter.
5.Installthefuellineontothefuellter.Slidethehose 
clampclosetothevalvetosecurethefuelline.
ReplacingtheFuelFilter
ServiceInterval: Every200hours
Neverinstalladirtylterifitisremovedfromthefuel 
line.
Note:Notehowthefuellterisinstalled. 
Note:Wipeupanyspilledfuel. 
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Closefuelshut-offvalveatfueltank(Figure35).
Note: Removethefuellinefromthefuelvalvethat 
isclosesttotheengine.
4.Squeezetheendsofthehoseclampstogetherand 
slidethemawayfromthelter(Figure36).
1.Hoseclamp
2.Fuelline
28
Figure36
Page 29
5.Removethelterfromthefuellines.
6.Installanewlterandmovethehoseclampsclose 
tothelter.
7.Openfuelshut-offvalveatfueltank(Figure35).
8.Checkforfuelleaksandrepairifneeded.
ElectricalSystem 
Maintenance
ServicingtheFuse
Theelectricalsystemisprotectedbyafuse.Itrequires 
nomaintenance.Ifthefuseblows,checkthecomponent 
orcircuitformalfunctionorashort.Toreplacethefuse, 
pulloutonthefuse(Figure37)toremoveorreplaceit.
1.Fuse,7.5amp,bladetype
Figure37
29
Page 30
Drive
AdjustingtheControlBar
1.Checkthegapbetweenuppercontrolbarand 
xedbarwithwheeldrivefullyengaged.Thegap 
shouldbeapproximately1to1-1/4inch(25-32mm) 
(Figure38).
Note: Theuppercontrolbarandxedbarmustbe 
parallelwhentheuppercontrolbarisintheengaged, 
drive,neutral,orbrakepositions.
Figure39
1.Controlrodandtting
2.3-1/2inch(89mm)
3.Idlerbracket
4.Clevispin
5.Washer
6.Hairpincotterpin
7.Rodtting
8.HoleF
CheckingtheTirePressure
ServiceInterval: Every50hours/Monthly(whichever
comesrst)—Checkthetirepressure
Figure38
1.Uppercontrolbar
2.Parkingbrakelever
3.Fixedcontrolbar
5.1to1-1/4inch(25-32mm) 
gap
2.Checktheoperation.Ifadjustmentisrequired, 
removehairpincotter,washerandclevispinsecuring 
controlrodttingtoidlerbracket(Figure39).
3.Threadtherodttingupordownontheroduntil 
theproperpositionisattainedandinstalltherod 
ttingtotheidlerbracketwiththeclevispin,washer 
andhairpincotter.
Checkthepressureatthevalvestem(Figure40).
Maintaintheairpressureinthereartiresat12-14psi 
(83-97kPa).Uneventirepressurecancauseanuneven 
cut.
Note: Thefronttiresaresemi-pneumatictiresanddo 
notrequireairpressuremaintenance.
Figure40
30
Page 31
ReplacingtheCasterWheel 
ForkBushings
Thecasterwheelforksaremountedinbushingspressed 
intothetopandbottomofthecarrierframemounting 
pivottubes.Tocheckthebushings,movethecaster 
forksbackandforthandside-to-side.Ifacasterforkis 
loose,thebushingsarewornandmustbereplaced.
1.Raisethecuttingunitsothecasterwheelsareoff 
theoor,thensupportthefrontofthemowerwith 
jackstands.
2.Removethelockingpinandspacer(s)fromthetop 
ofthecasterwheelfork(Figure41).
Figure42
1.MountingTube
5.Greasetheinsideandoutsideofthenewbushings. 
Useahammerandatplatetocarefullydrivethe 
bushingsintothepivottubes.
Figure41
1.LockingPin
2.Spacers
3.Pullthecasterwheelforkoutofthemountingtube, 
leavingthespacer(s)onthebottomofthefork. 
Rememberthelocationofthespacersoneachfork 
toensurecorrectinstallation,andtomaintainalevel 
deck.
4.Insertapinpunchintothemountingtubeand 
carefullydriveoutthebushings(Figure42).Clean 
theinsideofthemountingtube.
3.Carrierframepivottube
6.Inspectthecasterwheelforkforwearandreplace 
ifnecessary(Figure41).
7.Slidethecasterwheelforkthroughthebushingsin 
themountingtube.Replacethespacer(s)ontothe 
forkandsecurewiththeretainingring(Figure41).
Important: Theinsidediameterofthebushings 
maycollapseslightlywheninstalled.Ifthe 
casterwheelforkdoesnotslideintothenew 
bushings,reambothbushingstoaninside 
diameterof1.126inch(29mm).
8.Greasethettingonthecarrierframepivottubes 
usingNo.2generalpurposelithiumbaseor 
molybdenumbasegrease.
ServicingtheCasterWheel 
andBearings
Thecasterwheelsrotateonarollerbearingsupportedby 
aspannerbushing.Ifthebearingiskeptwelllubricated, 
wearwillbeminimal.Failuretokeepthebearingwell 
lubricatedwillcauserapidwear.Awobblycasterwheel 
usuallyindicatesawornbearing.
1.Removethelocknutandwheelboltholdingthe 
casterwheeltothecasterfork(Figure43).
31
Page 32
3.Repeatthisfortheremainingslots.
4.Checkeachslotagainandmakeslightadjustments 
untilthefeelergaugebetweentherotorandarmature 
withveryslightcontactbetweenthem.
Figure43
1.Locknut
2.Cap
3.RollerBearing
4.SpannerBushing
5.Wheel
2.Removeonebushing,thenpullthespannerbushing 
androllerbearingoutofthewheelhub(Figure43).
3.Removetheotherbushingfromthewheelhub 
andcleananygreaseanddirtfromthewheelhub 
(Figure43).
4.Inspecttherollerbearing,bushings,spannerbushing 
andinsideofthewheelhubforwear.Replaceany 
defectiveorwornparts(Figure43).
5.Toassemble,placeonebushingintothewheelhub. 
Greasetherollerbearingandspannerbushingand 
slidethemintothewheelhub.Placethesecond 
bushingintothewheelhub(Figure43).
6.Installthecasterwheelintothecasterforkand 
securewiththewheelboltandlocknut.Tightenthe 
locknutuntilthespannerbushingbottomsagainst 
theinsideofthecasterforks(Figure43).
7.Greasethettingonthecasterwheel.
Figure44
1.Adjustingnut
2.Slot
AdjustingtheElectricClutch
ServiceInterval: Every100hours
Theclutchisadjustabletoensureproperengagement 
andproperbraking.
1.Inserta0.015–0.021inch(0.381–0.533mm)feeler 
gaugethroughoneinspectionslotinthesideofthe 
assembly.Makesureitisbetweenthearmatureand 
therotorfrictionsurfaces.
2.Tightenthelocknutsuntilthereisslightbindingon 
thefeelergaugebutitcanbemovedeasilywithinthe 
airgap(Figure44).
32
Page 33
CoolingSystem 
Maintenance
BrakeMaintenance
ServicingtheBrakes
CleaningtheAirIntakeScreen
ServiceInterval: Beforeeachuseordaily
Removeanybuild-upofgrass,dirtorotherdebrisfrom 
thecylinderandcylinderheadcoolingns,airintake 
screenonywheelend,andcarburetor-governorlevers 
andlinkage.Thiswillhelpinsureadequatecoolingand 
correctenginespeedandwillreducethepossibilityof 
overheatingandmechanicaldamagetotheengine.
ServiceInterval: Beforeeachuseordaily—Checkthe
brakesonbothalevelsurfaceand 
slope.
Alwayssettheparkingbrakewhenyoustopthemachine 
orleaveitunattended.Iftheparkingbrakedoesnot 
holdsecurely ,anadjustmentisrequired.
CheckingtheBrakes
1.Parkthemachineonalevelsurface,disengagethe 
PTO.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Applytheparkingbrake.Thewheelsmustlock 
whenyoutrytopushthemachineforward.
4.Ifthewheelsdonotlock,adjustthebrakes.Refer 
toAdjustingtheBrakes.
5.Releasethebrakeandpressuppercontrolbarvery 
lightly,approximately1/2inch(13mm).Thewheels 
shouldrotatefreely ,ifnot;refertoAdjustingthe 
Brakes.
AdjustingtheBrakes
Thebrakeleverisontheuppercontrolbar.Ifthe 
parkingbrakedoesnotholdsecurely,anadjustmentis 
required.
Note: Fortheinitialadjustment,adjustthewing 
nutuntilitis1-1/4inchesfromthetopoftherod 
(Figure45).
1.Parkthemachineonalevelsurface,disengagethe 
PTO,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Checkthebrakebeforeyouadjustit;referto 
CheckingtheBrakes.
4.Releasetheparkingbrake;refertoReleasingthe 
ParkingBrakein,page.
5.Toadjustthebrakeremovethehairpincotter 
andwasherfromthebrakeleverandtrunnion 
(Figure45).
33
Page 34
Figure45
1.Hairpincotterandwasher
2.Trunnion
3.Brakelever
4.Wingnut
6.Initialadjustment-1-1/4 
inch(32mm)
BeltMaintenance
ReplacingtheTractionDrive 
Belt
ServiceInterval: Every50hours/Monthly(whichever
comesrst)—Checkthetraction 
drivebelt
Lookforcracks,wear,andsignsofoverheating.
1.Removethetopboltsecuringidlersupportandidler 
brackettorearframe(Figure46).
6.Rotatethewingnutclockwisetoincreasethebraking 
pressure.
7.Rotatethewingnutcounterclockwisetodecrease 
thebrakingpressure.
8.InstallthetrunnionintoholeF(Figure45).Tighten 
thewingnut.
9.Securetrunniontobrakeleverwithwasherandhair 
pincotter(Figure45).
10.Checkthebrakeoperationagain;refertoChecking 
theBrakes.
Important: Withtheparkingbrakereleased, 
therearwheelsmustrotatefreelywhenyou 
pushthemower.Ifbrakeactionandfreewheel 
rotationcannotbeachievedcontactyourservice 
dealerimmediately.
Figure46
1.Topbolt
2.Idlerbracket
3.Idlersupport
2.Loosenbottomtwomountingscrewsenoughto 
allowbelttopassbetweendrivepulleyandidler 
support(Figure46).
3.Raisethewheelofftheground,toallowthebeltto 
beremoved,andremovethebelt.
4.Installanewbelt.
5.Installthetopboltsecuringtheidlersupportand 
idlerbrackettotherearframe(Figure46).
6.Tightenthebottomtwomountingscrewsenoughto 
allowthebelttopassbetweenthedrivepulleyand 
idlersupport(Figure46).
ReplacingtheTransmission 
Belt
ServiceInterval: Every50hours
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.RemovePTOdrivebelt.RefertoReplacingthe 
PTODriveBeltinthe,page.
34
Page 35
4.Raisethefrontofthemachineandholdwithjack 
stands.
5.Disconnectclutchwireconnectorfromwireharness.
4.Unlatchandremovethebeltcovers.
5.RemovethePTOdrivebelt.RefertoReplacingthe 
PTODriveBelt.
6.Disconnectclutchretainerfromtheenginedeck 
(Figure47).
Figure47
1.Transmissionbelt
2.Idlerpulley
3.Clutchretainer
4.Tensionspring
5.Clutchwireconnector
7.Drivepulley
7.Unhooktensionspringfromsideofframe 
(Figure47).
6.Disconnecttheidlerarmspringtorelievetensionon 
theidlerarmandidlerpulley,thenremovetheworn 
mowerbelt(Figure48orFigure49).
7.Installthenewmowerbeltaroundthetwooutside 
spindlepulleys,theidlerpulley,andinthelower 
grooveofthedoublespindlepulley(Figure48or 
Figure49).
8.Connecttheidlerarmspring(Figure48orFigure49).
9.InstallthePTOdrivebelt.RefertoReplacingthe 
PTODriveBelt.
10.Adjustthebeltguidean1/8inch(3mm)fromthe 
belt(Figure48orFigure49).
11.Installthebeltcoversontothecuttingunitand 
securethelatches.
12.Installthecarrierframecoverontothecuttingunit 
andsecurethelatches.
8.Loosenpivotboltenoughtoremovetractionbelt 
fromthedrivepulleyandclutch.
9.Installnewbeltaroundclutchanddrivepulley.
10.T orquepivotboltto35-40ft-lb(47-54N-m).Install 
tensionspringbetweenidlerarmandframebracket 
(Figure47).
11.Installclutchretainertotheenginedeck(Figure47).
12.Connectclutchwireconnectortowireharness.
13.InstallPTOdrivebelt.
ReplacingtheMowerBelt
ServiceInterval: Every50hours
Squealingwhenthebeltisrotating,bladesslippingwhen 
cuttinggrass,frayedbeltedges,burnmarksandcracks 
aresignsofaworndeckbelt.Replacethedeckbeltif 
anyoftheseconditionsareevident.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
Figure48
40inch,48inch,and52inchMowerDeckshown
1.Outsidepulley
2.PTOdrivebelt
3.Idlerarmspring
4.Mowerdeckbelt
5.Beltguide
6.Centerspindlepulley
3.Unlatchandremovethecarrierframecover.
35
Page 36
Figure49
36inchMowerDeckshown
1.Mowerdeckbelt
2.PTOdrivebelt
3.Drivebeltpulley
5.Drivebeltpulley
9.Rollthebeltontothecenterpulleyonthemower 
deck(Figure50).Usecautionwheninstallthebelt 
astensionwillincreasebecauseofthespringloaded 
idlerpulley.RefertoFigure51torollthenewbelt 
ontotheleftpulleyfora36inchmowerdeck.
10.Installtheheatshieldtotheenginedeckandcarrier 
frame.
11.Adjustthebeltguidean1/8inch(3mm)fromthe 
beltfor40,48and52inchmowerdecks(Figure50).
12.Installthebeltcoversontothecuttingunitand 
securethelatches.
13.Installthecarrierframecoverontothecarrierframe 
andsecurethelatches.
ReplacingthePTODriveBelt
ServiceInterval: Every50hours
Squealingwhenthebeltisrotating,bladesslippingwhen 
cuttinggrass,frayedbeltedges,burnmarksandcracks 
aresignsofaworndrivebelt.Replacethedrivebeltif 
anyoftheseconditionsareevident.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Unlatchandremovethecarrierframecover.
4.Unlatchandremovethebeltcovers.
5.Removetheheatshieldfromtheenginedeckand 
carrierframe.
6.Rollthebeltoffofthecenterpulleyonthemower 
deck(Figure50).RefertoFigure51torollthebelt 
offleftpulleyfora36inchmowerdeck.Usecaution 
whenremovingthebeltastensionwillincrease 
becauseofthespringloadedidlerpulley.
7.Removethebeltfromtheenginepulleyandthe 
springloadedidlerpulley(Figure50).Referto 
Figure51toremovethebeltfromthe36inchmower 
deckpulleys.
8.Installthenewbeltontotheenginepulleyandspring 
loadedidlerpulley(Figure50).
Figure50
40inch,48inch,and52inchMowerDeckshown
1.PTOdrivebeltguide
2.PTOdriveBelt
3.Idlerspring
6.Centerspindlepulley
36
Page 37
Mower
ServicingtheCuttingBlades
Toensureasuperiorqualityofcut,keeptheblades 
sharp.Forconvenientsharpeningandreplacement,you 
maywanttokeepextrabladesonhand.
Awornordamagedbladecanbreak,anda 
pieceofthebladecouldbethrownintothe 
operator’sorbystander’sarea,resultingin 
seriouspersonalinjuryordeath.
Figure51
36inchMowerDeckshown
1.Mowerdeckbelt
2.PTODriveBelt
3.Idlerarmandspring
4.Clutchpulley
5.Idlerpulley
AdjustingthePTODriveBelt 
IdlerSpringAnchor
ThepositionofthePTOidlercanbeadjustedto 
increaseordecreasebelttension.
UseFigure52fortheidlerpositionoptions.
•
•
BeforeInspectingorServicingthe 
Blades
Parkthemachineonalevelsurface,disengagetheblades 
andsettheparkingbrake.Turntheignitionkeytooff. 
Removethekeyanddisconnectthesparkplugwires 
fromthesparkplugs.
InspectingtheBlades
ServiceInterval: Beforeeachuseordaily
1.Inspectthecuttingedges(Figure53).Iftheedges 
arenotsharporhavenicks,removeandsharpenthe 
blades.RefertoSharpeningtheBlades.
Figure52
1.PTOdrivebeltidlerpulley
2.PTOdriveBelt
3.Idlerspring
beltconditions
6.Leasttensionfornewbelts
Figure53
1.CuttingEdge
2.Sail
2.Inspecttheblades,especiallythecurvedarea 
(Figure53).Ifyounoticeanycracks,wear,ora 
slotforminginthisarea(item3inFigure53), 
immediatelyinstallanewblade.
37
Page 38
CheckingforBentBlades
1.DisengagethePTO,movethemotioncontrollevers 
totheneutrallockedpositionandsettheparking 
brake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Rotatethebladesuntiltheendsfaceforwardand 
backward.Measurefromalevelsurfacetothe 
cuttingedge,positionA,oftheblades(Figure54  
).Notethisdimension.For36inchmowerdecks 
useFigure55.
steps3and4mustnotexceed1/8inch(3mm).If 
thisdimensionexceeds1/8inch(3mm),theblade 
isbentandmustbereplaced;refertoRemovingthe 
BladesandInstallingtheBlades.
Abladethatisbentordamagedcouldbreak 
apartandcouldseriouslyinjureorkillyouor 
bystanders.
•
•
RemovingtheBlades
Bladesmustbereplacedifasolidobjectishit,ifthe 
bladeisoutofbalanceorisbent.Toensureoptimum 
performanceandcontinuedsafetyconformanceof 
themachine,usegenuineTororeplacementblades. 
Replacementbladesmadebyothermanufacturersmay 
resultinnon-conformancewithsafetystandards.
Figure54
40inch,48inch,and52inchMowerDeckshown
1.Measureherefromblade 
tohardsurface
36inchMowerDeckshown
2.PositionA
Figure55
1.Holdthebladeendusingaragorthickly-padded 
glove.
2.For40and48inchmowerdecks,removetheblade 
bolt,curvedwasher,andbladefromthespindle 
shaft(Figure56).
4.Rotatetheoppositeendsofthebladesforward.
5.Measurefromalevelsurfacetothecuttingedgeof 
thebladesatthesamepositionasinstep3above. 
Thedifferencebetweenthedimensionsobtainedin
38
Page 39
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothends 
oftheblade(Figure58).Maintaintheoriginalangle. 
Thebladeretainsitsbalanceifthesameamountof 
materialisremovedfrombothcuttingedges.
Figure58
1.Sharpenatoriginalangle
Figure56
40inchand48inchMowerDecks
1.SailAreaofBlade
2.Blade
3.For36and52inchmowerdecks,removetheblade 
bolt,curvedwasher,bladestiffener,andbladefrom 
thespindleshaft(Figure57).
Figure57
36inchand52inchMowerDecks
1.SailAreaofBlade
2.Blade
3.Bladestiffener
2.Checkthebalanceofthebladebyputtingitona 
bladebalancer(Figure59).
3.Ifthebladestaysinahorizontalposition,theblade 
isbalancedandcanbeused.Ifthebladeisnot 
balanced,lesomemetalofftheendofthesailarea 
only(Figure56)
4..Repeatthisprocedureuntilthebladeisbalanced.
Figure59
1.Blade
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure56).
Important: Thesailpartoftheblademustbe 
pointingupward,towardtheinsideofthemower 
toensurepropercutting(Figure56).
2.For40inchand48inchmowerdecks,installthe 
blade,curvedwasher,andbladebolt(Figure56).
3.For36inchand52inchmowerdecks,installthe 
blade,stiffener,curvedwasher,andbladebolt 
(Figure57).
4.Torquethebladeboltto85-110ft-lb(115-140N-m).
CorrectingtheMowerQuality 
ofCut
Ifonedeckbladecutslowerthantheother,correctas 
follows.
Note: Tireairpressureiscriticalintheseprocedures. 
Makesurealltireshavecorrectpressure.
39
Page 40
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.Disconnectthesparkplugwire(s)from 
thesparkplug(s).
3.Adjustthetirepressureinthereartiresto 
specications;referto,page.
4.Checkthatthebladesandspindleshaftsarenot 
bent.RefertoCheckingforBentBlades.
5.Settheheight-of-cuttothe4inch(101.6mm) 
position.RefertoAdjustingtheHeight-Of-Cutin, 
page.
6.PerformthestepsinthefollowingsectionsFrame 
SetUp,CheckingFront-to-RearPitch,andChecking 
Side-to-SideLeveling.
FrameSetUp
CheckingtheCarrierFrameandEngine 
DeckAlignment
Figure60
1.CarrierFrame
2.Topofenginedeck
3.Carrierframemounting 
bolts
(33mm)±1/4inch(6mm)
6.Carrierframecross 
channel
Note: MisalignmentcancauseexcesswearonthePTO 
drivebelt.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Placealongstraightedgeontopoftheenginedeck 
asshowninFigure60.
4.Atthecarrierframecrosschannel,measurethe 
heightatlocationA(Figure60).Thismeasurement  
mustbe1-5/16inch(33mm),plusorminusa1/4 
inch(6mm).
5.IftheheightatlocationAisnotcorrect,adjustment  
isneeded.
6.Loosenthecarrierframemountingboltsonboth 
sidesofthemachine(Figure60).
7.Alignthecarrierframeandenginedecktomatch 
1-5/16inch(33mm),plusorminusa1/4inch(6 
mm)atlocationA(Figure60). 
CheckingtheEngineDeckHeight
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Adjustthetirepressureinthereartiresto 
specications;referto,page.
4.MeasureenginedeckheightatlocationA(Figure61). 
8.Tightenthecarrierframemountingboltsonboth 
sidesofthemachine.
Figure61
1.Backviewofmachine
2.Topofenginedeck
40
3.Tires
A andB 
Page 41
5.MeasureenginedeckheightatlocationB(Figure61). 
6.IftheheightatlocationAandBarenotthesame,   
changetirepressureslightlytomakethemthesame.
CheckingtheCarrierFrame 
Front-to-RearPitch
Thecarrierframemusthaveapitchbetween1/8inch 
(3mm)to3/8inch(9mm)overthelengthof24inches 
(61cm)onthecarrierframe(Figure62).
1.Measureout24inches(61cm)onthecarrierframe 
(Figure62).
2.Stoptheengine,removethekey,andwaitforall 
movingpartstostopbeforeleavingtheoperating 
position.
3.Adjustthetirepressureinthereartiresto 
specications;referto,page.
4.MeasurecarrierframeheightatlocationA  
(Figure63).
5.MeasurecarrierframeheightatlocationB  
(Figure63).
6.Ifthecarrierframeheightisnotthesamemove 
spacersfromtoporbottomofcasterwheel,to 
makeitlevel.Thetirepressuremayalsobeadjusted 
slightlytomakeitlevel.
Figure62
1.CarrierFrame
2.1/4-3/8inch(6-10mm) 
pitchover24inch(61cm) 
length
3.24inches(61cm)
4.HeightatlocationsAand 
B
5.CasterWheel
2.MeasurecarrierframeheightatlocationA  
(Figure62).
3.MeasurecarrierframeheightatlocationB  
(Figure62).
4.TheheightatlocationAmustbea1/4-3/8inch(6  
mm-10mm)lowerthanlocationB(Figure62). 
5.Ifthecarrierframeisnotcorrect,movecaster 
spacerstomakeita1/4-3/8inch(6-10mm)pitch 
(Figure62).Movespacersfromtoporbottomto 
makethecorrectpitch.
6.Thetirepressuremayalsobeadjustedslightlyto 
makea1/4inch(6mm)pitch.
CheckingtheCarrierFrame 
Side-to-SideHeight
Figure63
1.CasterWheel
2.CarrierFrame
3.Frontheight-of-cutpins
CheckingtheMowerDeck 
Front-to-RearPitch
1.Adjustthetirepressureinthereartiresto 
specications;referto,page.
2.Positiononebladefront-to-rear.MeasureatAand  
B locationsfromalevelsurfacetothecuttingedge 
ofthebladetips(Figure64orFigure65).For36 
inchmowerdecksuseFigure65.
3.Themowerbladeshouldbea1/4inch(6mm)lower 
infrontatAthanintherearatB.Rotatebladesand   
repeatforotherblades.Ifitisnotcorrect,proceed 
toChangingtheDeckFront-to-RearPitch.
Thecarrierframeneedstobeparallelside-to-sidefrom 
theground.
1.DisengagethePTOandsettheparkingbrake.
41
Page 42
Figure64
40inch,48inch,and52inchMowerDeckshown
1.MeasurebladeatpointsA  
andB 
2.Measurefromalevel
Figure66
1.CasterWheel
2.CarrierFrame
surface
3.Frontheight-of-cutpins
4.Jamnut
5.Balljoint
2.Toraisethefrontofthedeck,loosenjamnutand 
rotatethefrontpinclockwise(Figure66).
3.Tolowerthefrontofthedeck,loosenjamnutand 
rotatethefrontpincounterclockwise(Figure66).
4.Positionthebladesfront-to-rear.MeasureatCand 
Dlocations(Figure64)fromalevelsurfacetothe 
cuttingedgeoftheblades.
5.Checktheside-to-sidelevelingofthecuttingunit.
Figure65
36inchMowerDeckshown
ChangingtheMowerDeck 
Front-to-RearPitch
Changingthefront-to-rearpitchisdonebyadjustingthe 
frontheight-of-cutposts.
1.Tochangethefront-to-rearpitch,thefront 
height-of-cutpostscanbeadjusted(Figure66).
6.Tightenthejamnuts(Figure66).
CheckingtheMowerDeck 
Side-to-SideHeight
1.Adjustthereartirepressuretospecications;refer 
to,page.
2.Positionthebladesside-to-side.MeasureatCand  
D locationsfromalevelsurfacetothecuttingedge 
ofbladetips(Figure67).For36inchmowerdecks 
useFigure68.
42
Page 43
Figure67
40inch,48inch,and52inchMowerDeckshown
3.Withthemachineonlevelsurface,positiononeblade 
front-to-rear.MeasureatAandfromlevelsurfaceto  
thecuttingedgeofthebladetips(Figure69).For36 
inchmowerdecksuseFigure70.
1.Measurefromalevel 
surface
36inchMowerDeckshown
2.MeasurebladeatpointsC  
andD 
Figure68
3.ThedifferencebetweenmeasurementsCandD   
shouldbenomorethan1/4inch(6mm).
ChangingtheMowerDeck
Figure69
40inch,48inch,and52inchMowerDeckshown
1.Measurefromalevel 
surface
36inchMowerDeckshown
2.MeasurebladeatpointA 
Figure70
Side-to-SideHeight
Changingtheside-to-sideheightisdonebyadjustingthe 
reartirepressureandcasterspacers.
1.Changethereartirepressure.Dothistothe 
correspondingsidethatneedsadjustment.
2.Adjustthecasterspacer.
3.Recheckthefront-to-rearpitchandsidetoside 
levelingofthecuttingunit.
MatchingHeightofCut
1.Checkthereartirepressure.
2.Settheheight-of-cuttothe4inch(101.6mm) 
positionfollowingtheheight-of-cutdecal.
4.Themeasurementshouldbe4inch(101.6mm).
5.Ifitdoesnotmeasurecorrectly:
A.Adjustthereartirepressure.
B.Adjustthecasterforkspacers.
C.Adjustthefrontmowerdecksupportpins.
6.Checkthecarrierframefront-to-rearpitch.
43
Page 44
ReplacingtheGrassDeector
Anuncovereddischargeopeningcouldallow 
thelawnmowertothrowobjectsinthe 
operator’sorbystander’sdirectionandresult 
inseriousinjury.Also,contactwiththeblade 
couldoccur.
Neveroperatethelawnmowerunlessyouinstall 
acoverplate,amulchplate,grassdeectoror 
bagger.
1.Removethelocknut,bolt,springandspacerholding 
thedeectortothepivotbrackets(Figure71). 
Removedamagedorworngrassdeector.
positionandensurethatitrotatesintothefull 
downposition.
Figure71
1.Bolt
2.Spacer
3.Locknut
4.Spring
5.Springinstalled
7.Lendofspring,place 
behinddeckedgebefore 
installingbolt
2.Placespacerandspringontograssdeector.Place 
theLendofspringbehinddeckedge. 
Note: MakesuretheLendofspringisinstalled  
behinddeckedgebeforeinstallingtheboltasshown 
inFigure71.
3.Installboltandnut.PlacetheJhookendofspring  
aroundgrassdeector(Figure71).
Important: Thegrassdeectormustbeable 
torotate.Liftthedeectoruptothefullopen
44
Page 45
Storage
11.Paintallscratchedorbaremetalsurfaces.Paintis 
availablefromyourAuthorizedServiceDealer.
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, 
especiallyneartheshiftleverplate,andengine.
3.Checkthebrake;refertoServicingtheBrakein, 
page.
4.Servicetheaircleaner;refertoServicingtheAir 
Cleanerin,page.
5.Greasethemachine;refertoGreasingand 
Lubricationin,page.
6.Changetheengineoil;refertoServicingtheEngine 
in,page.
12.Storethemachineinaclean,drygarageorstorage 
area.Removethekeyfromtheignitionswitchand 
keepitinamemorableplace.Coverthemachineto 
protectitandkeepitclean.
7.Checkthetirepressure;refertoCheckingtheTire 
Pressurein,page.
8.Forlong-termstorage:
A.Addstabilizer/conditioneradditivetofuelinthe
tank.
B.Runenginetodistributeconditionedfuelthrough
thefuelsystem(5minutes).
C.Stopengine,allowtocoolanddrainthefuel
tank;refertoServicingtheFuelTankin,page, 
oroperateengineuntilitstops.
D.Restartengineandrununtilitstops.Repeat,on
Chokeuntilenginewillnotrestart.
E.Disposeoffuelproperly.Recycleasperlocal
codes.
Note: Donotstorestabilizer/conditioned 
gasolineover90days.
9.Removethesparkplug(s)andcheckitscondition; 
refertoServicingtheSparkPlugin,page.With 
thesparkplug(s)removedfromtheengine,pour 
twotablespoonsofengineoilintothesparkplug 
hole.Nowusethestartertocranktheengineand 
distributetheoilinsidethecylinder.Installthespark 
plug(s).Donotinstallthewireonthesparkplug(s).
10.Checkandtightenallbolts,nuts,andscrews.Repair 
orreplaceanypartthatisdamagedordefective.
45
Page 46
Troubleshooting
Problem
Enginewillnotstart,startshard,orfails 
tokeeprunning.
Enginelosespower.
PossibleCause
1.Fueltankisempty .
2.Chokeisnoton.
3.Aircleanerisdirty .
4.Sparkplugwireislooseor 
disconnected.
5.Sparkplugispitted,fouled,orthegap 
isincorrect.
6.Dirtinthefuellter .
7.Dirt,water,orstalefuelisinthefuel 
system.
1.Engineloadisexcessive.
2.Aircleanerisdirty .
3.Oillevelinthecrankcaseislow.
4.Coolingnsandairpassagesunder 
theengineblowerhousingareplugged.
5.Sparkplugispitted,fouled,orthegap 
isincorrect.
6.Ventholeinthefuelcapisplugged.
7.Dirtinthefuellter .
8.Dirt,water,orstalefuelisinthefuel 
system.
1.Fillfueltankwithgasoline.
2.Movethechokelevertochokeposition.
3.Cleanorreplacetheaircleaner 
element.
4.Installwireonsparkplug.
5.Installanew,correctlygappedspark 
plug.
7.ContactanAuthorizedServiceDealer.
2.Servicetheaircleaner .
3.Addoiltothecrankcase.
4.Removetheobstructionfromthe 
coolingnsandairpassages.
5.Installanew,correctlygappedspark 
plug.
8.ContactanAuthorizedServiceDealer.
Engineoverheats.
Machinedoesnotdrive.
Abnormalvibration.
Unevencuttingheight.
1.Engineloadisexcessive.
2.Oillevelinthecrankcaseislow.
3.Coolingnsandairpassagesunder 
theengineblowerhousingareplugged.
1.Shiftleverisinneutral.
2.Tractionbeltisworn,looseorbroken.
3.Tractionbeltisoffapulley.
4.Brokenormissingidlerspring.
1.Cuttingblade(s)is/arebentor 
unbalanced.
2.Blademountingboltisloose.
3.Enginemountingboltsareloose.
4.Looseenginepulley,idlerpulley ,or 
bladepulley.
5.Enginepulleyisdamaged.
6.Bladespindleisbent.
1.Blade(s)notsharp.
2.Cuttingblade(s)is/arebent.
3.Mowerisnotlevel.
4.Mowerpitchiswrong.
5.Undersideofmowerisdirty.
6.Tirepressureisnotcorrect.
7.Bladespindlebent.
2.Addoiltothecrankcase.
3.Removetheobstructionfromthe 
coolingnsandairpassages.
2.Changethebelt.
1.Installnewcuttingblade(s).
4.Tightentheappropriatepulley .
5.ContactanAuthorizedServiceDealer.
6.ContactanAuthorizedServiceDealer.
4.Adjustthefront-to-rearpitch.
7.ContactanAuthorizedServiceDealer.
46
Page 47
Problem
PossibleCause
Bladesdonotrotate.
1.Drivebeltisworn,looseorbroken.
2.Drivebeltisoffpulley.
3.Deckbeltisworn,looseorbroken.
4.Deckbeltisoffpulley.
5.Brokenormissingidlerspring.
6.Electricclutchoutofadjustment.
7.Clutchconnectororwiredamaged.
8.Damagedelectricclutch.
9.Safetyinterlocksystempreventsblade 
rotation.
10.PTOswitchisfaulty .
1.Checkthebelttension.
2.Installdrivebeltandcheckadjusting 
shaftsandbeltguidesforcorrect 
position.
4.Installdeckpulleyandchecktheidler 
pulley,idlerarmandspringforcorrect 
positionandfunction.
6.Adjusttheclutchairgap.
8.ContactanAuthorizedServiceDealer.
9.ContactanAuthorizedServiceDealer.
47
Page 48
Schematics
ElectricalSchematic(Rev.A)
48
Page 49
Notes:
49
Page 50
Notes:
50
Page 51
Notes:
51
Page 52
The Toro Total Coverage Guarantee
A Limited Warranty (see warranty periods below)
Landscape 
Contractor 
Equipment (LCE)
The Toro Company and its affi liate, Toro Warranty Company, pursuant to an 
Conditions and Products Covered
agreement between them, jointly promise to repair the listed Toro Products 
if defective in materials or workmanship.
The following warranty time periods apply from the date of purchase by the 
original owner:
Product  Warranty Period
Mid-Size Walk-Behind Mowers  2 years** 
GrandStand
•
•
Z Master
•
•
Z Master® G3 Mowers
•
•
Batteries (for above units) 
TM
 Mowers 
Engine 
Frame
®
 Z300, Z400, Z500 Mowers 
Engine 
Frames
Engine 
Frame
5 years or 1,200 hours* 
2 years** 
Lifetime (original owner only)***
4 years or 1,200 hours* 
2 years** 
Lifetime (original owner only)***
5 years or 1,200 hours* 
2 years** 
Lifetime (original owner only)***
1 year
Attachments (for above units)  1 year
*Whichever occurs fi rst.  
**Some engines used on Toro LCE Products are warranted by the engine manufacturer. 
***Lifetime Frame Warranty - If the main frame, consisting of the parts welded together to form 
the tractor structure that other components such as the engine are secured to, cracks or breaks in 
normal use, it will be repaired or replaced under warranty at no cost for parts and labor. Frame failure 
due to misuse or abuse and failure or repair required due to rust or corrosion are not covered.
This warranty includes the cost of parts and labor, but you must pay 
transportation costs.
Instructions for Obtaining Warranty Service
If you think that your Toro Product contains a defect in materials or 
workmanship, follow this procedure:
1. Contact any Authorized Toro Service Dealer to arrange service at their 
dealership. To locate a dealer convenient to you, refer to the Yellow   
Pages  of your telephone directory (look under “Lawn Mowers”) or access 
our web site at www.Toro.com. You may also call the numbers listed in 
item #3 to use the 24-hour Toro Dealer locator system.
2. Bring the product and your proof of purchase (sales receipt) to the 
Service Dealer. The dealer will diagnose the problem and determine if it 
is covered under warranty.
3. If for any reason you are dissatisfi ed with the Service Dealer’s analysis   
or with the assistance provided, contact us at:
LCB Customer Service Department 
Toro Warranty Company 
8111 Lyndale Avenue South 
Bloomington, MN 55420-1196 
888-865-5676 (U.S. Customers) 
888-865-5691 (Canada customers)
You must maintain your Toro Product by following the maintenance 
Owner Responsibilities
procedures described in the Operator’s Manual . Such routine maintenance, 
whether performed by a dealer or by you, is at your expense. 
Items and Conditions Not Covered
There is no other express warranty except for special emission system and 
engine warranty coverage on some products. 
This express warranty does not cover:
Cost of regular maintenance service or parts, such as fi lters, fuel,  
• 
lubricants, tune-up parts, blade sharpening, brake and clutch 
adjustments. 
Any product or part which has been altered or misused or required 
• 
replacement or repair due to normal wear, accidents, or lack of proper 
maintenance. 
Repairs necessary due to improper fuel, contaminants in the fuel system, 
• 
or failure to properly prepare the fuel system prior to any period of nonuse over three months.
Pickup and delivery charges.
•
General Conditions
All repairs covered by this warranty must be performed by an Authorized 
Toro Service Dealer using Toro approved replacement parts.
Neither The Toro Company nor Toro Warranty Company is liable for 
indirect, incidental or consequential damages in connection with 
the use of the Toro Products covered by this warranty, including any 
cost or expense of providing substitute equipment or service during 
reasonable periods of malfunction or non-use pending completion of 
repairs under this warranty.
All implied warranties of merchantability (that the product is fi t for 
ordinary use) and fi tness for use (that the product is fi t for a particular 
purpose) are limited to the duration of the express warranty.
Some states do not allow exclusions of incidental or consequential 
damages, or limitations on how long an implied warranty lasts, so the 
above exclusions and limitations may not apply to you.
This warranty gives you specifi c legal rights, and you may also have other   
rights which vary from state to state.
Customers who have purchased Toro products outside the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee 
Countries Other than the United States or Canada
policies for your country, province, or state. If for any reason you are dissatisfi ed with your Distributor’s service or have diffi culty obtaining guarantee    
information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.
Part Number 374-0037 Rev. H