
FormNo.3445-180RevA
ZMaster
®
Professional7500-D
SeriesRidingMower
With144inTURBOFORCE
Mower
ModelNo.72144—SerialNo.400000000andUp
®
RearDischarge
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3445-180*

ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineon
anyforest-covered,brush-covered,orgrass-covered
landunlesstheengineisequippedwithaspark
arrester,asdenedinSection4442,maintainedin
effectiveworkingorderortheengineisconstructed,
equipped,andmaintainedforthepreventionofre.
Theenclosedengineowner'smanualissupplied
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCaliforniaEmission
ControlRegulationofemissionsystems,maintenance,
andwarranty.Replacementsmaybeorderedthrough
theenginemanufacturer.
GrossorNetTorque:Thegrossornettorque
ofthisenginewaslaboratoryratedbytheengine
manufacturerinaccordancewiththeSocietyof
AutomotiveEngineers(SAE)J1940orJ2723.As
conguredtomeetsafety,emission,andoperating
requirements,theactualenginetorqueonthisclass
ofmowerwillbesignicantlylower.Pleasereferto
theenginemanufacturer’sinformationincludedwith
themachine.
WARNING
CALIFORNIA
Proposition65Warning
Dieselengineexhaustandsomeofits
constituentsareknowntotheStateof
Californiatocausecancer,birthdefects,
andotherreproductiveharm.
Batteryposts,terminals,andrelated
accessoriescontainleadandlead
compounds,chemicalsknownto
theStateofCaliforniatocause
cancerandreproductiveharm.Wash
handsafterhandling.
Introduction
Thisrotary-blade,ridinglawnmowerisintendedtobe
usedbyprofessional,hiredoperators.Itisdesigned
primarilyforcuttinggrassonwell-maintainedlawns
onresidentialorcommercialproperties.Usingthis
productforpurposesotherthanitsintendedusecould
provedangeroustoyouandbystanders.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely .
Visitwww.Toro.comforproductsafetyandoperation
trainingmaterials,accessoryinformation,helpnding
adealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Important:Withyourmobiledevice,youcan
scantheQRcode(ifequipped)ontheserial
numberdecaltoaccesswarranty,parts,andother
productinformation.
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
©2021—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
2
g235670
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved

Thesafety-alertsymbol(Figure2)appearsbothin
thismanualandonthemachinetoidentifyimportant
safetymessagesthatyoumustfollowtoavoid
accidents.Thissymbolwillappearwiththeword
Danger,Warning,orCaution.
•Dangerindicatesanimminentlyhazardous
situationwhich,ifnotavoided,willresultindeath
orseriousinjury.
•Warningindicatesapotentiallyhazardous
situationwhich,ifnotavoided,couldresultin
deathorseriousinjury.
•Cautionindicatesapotentiallyhazardoussituation
which,ifnotavoided,mayresultinminoror
moderateinjury.
Figure2
Safety-alertsymbol
sa-black
3

Contents
Safety.......................................................................5
GeneralSafety...................................................5
SlopeIndicator...................................................6
SafetyandInstructionalDecals..........................7
ProductOverview...................................................13
Controls...........................................................14
HorizonDisplayMonitor................................14
Specications..................................................16
Attachments/Accessories.................................16
BeforeOperation.................................................17
BeforeOperationSafety...................................17
AddingFuel......................................................18
PerformingDailyMaintenance..........................18
BreakinginaNewMachine..............................18
UsingtheRolloverProtectionSystem
(ROPS).........................................................19
AdjustingtheMirrors.........................................20
UsingtheMotion-ControlLevers.......................20
CheckingtheSafety-InterlockSystem..............21
PositioningtheSeat..........................................25
UnlatchingtheSeat..........................................25
ChangingtheSeatSuspension.........................25
DuringOperation.................................................26
DuringOperationSafety...................................26
LoweringtheWingDecks.................................28
OperatingtheMowerBlade-ControlSwitch
(PTO)............................................................29
StartingtheEngine...........................................30
ShuttingOfftheEngine.....................................30
RaisingandLockingtheWingDecks................31
DrivingtheMachine..........................................32
AdjustingtheHeightofCut...............................33
AdjustingtheAnti-ScalpRollers........................34
OperatingwiththeOverheatSensor.................35
OperatingTips.................................................35
AfterOperation....................................................36
AfterOperationSafety......................................36
UsingtheDriveTrainBrakeRelease.................36
UsingtheWingDeckFoldRelease
Valve.............................................................37
TransportingtheMachine.................................38
Maintenance...........................................................40
MaintenanceSafety..........................................40
RecommendedMaintenanceSchedule(s)...........40
Lubrication..........................................................42
GreasingtheMachine.......................................42
LubricatingtheDriveU-JointsandSplined
SlipJoint.......................................................43
GreasingtheCasterPivots...............................43
GreasingtheCaster-WheelHubs.....................44
EngineMaintenance...........................................45
EngineSafety...................................................45
ServicingtheAirCleaner..................................45
ServicingtheEngineOil....................................46
InspectingtheEngine-ValveClearance............47
FuelSystemMaintenance...................................48
DrainingtheFuelFilter/WaterSeparator...........48
ReplacingtheWaterSeparator........................49
CheckingtheFuelLinesand
Connections..................................................49
ElectricalSystemMaintenance...........................50
ElectricalSystemSafety...................................50
ServicingtheBattery.........................................50
ServicingtheFuses..........................................52
DriveSystemMaintenance..................................53
CheckingtheSeatBelt.....................................53
AdjustingtheTracking......................................53
CheckingtheTirePressure...............................54
CheckingtheWheelLugNuts...........................54
AdjustingtheCaster-PivotBearing...................54
ServicingtheGearbox......................................55
CheckingtheDriveWheelGearbox
Oil.................................................................56
ChangingtheDriveWheelGearbox
Oil.................................................................56
CoolingSystemMaintenance..............................57
CoolingSystemSafety.....................................57
CheckingtheEngine-CoolantLevel..................57
CleaningtheRadiatorandEngine-Hood
Screen..........................................................57
ChangingtheEngineCoolant...........................58
BeltMaintenance................................................59
InspectingtheBelts..........................................59
ReplacingtheMowerBelts...............................59
CheckingtheAlternator-BeltTension................60
ControlsSystemMaintenance.............................61
AdjustingtheControl-HandlePosition..............61
AdjustingtheMotion-ControlLinkage...............61
AdjustingtheMotion-ControlDamper...............62
HydraulicSystemMaintenance...........................63
HydraulicSystemSafety...................................63
ServicingtheHydraulicSystem........................63
MowerDeckMaintenance....................................65
BladeSafety.....................................................65
ServicingtheCuttingBlades.............................65
LevelingtheMowerDeck..................................67
CheckingtheWingDeckBushings...................70
ChangingtheWingDeckBushings...................71
Cleaning..............................................................73
CleaningtheEngineandExhaustSystem
Area..............................................................73
CleaningtheMachineandMower
Deck..............................................................73
DisposingofWaste...........................................73
Storage...................................................................74
StorageSafety..................................................74
CleaningandStoringtheMachine....................74
Troubleshooting......................................................75
Schematics.............................................................77
4

Safety
Thismachinehasbeendesignedinaccordancewith
ANSIstandardB71.4-2017.
GeneralSafety
Thisproductiscapableofamputatinghandsand
feetandofthrowingobjects.Alwaysfollowallsafety
instructionstoavoidseriouspersonalinjuryordeath.
•Readandunderstandthecontentsofthis
Operator’sManualbeforestartingtheengine.
•Keepbystandersandchildrenaway.
•Donotallowchildrenoruntrainedpeopleto
operateorservicethemachine.Allowonlypeople
whoareresponsible,trained,familiarwiththe
instructions,andphysicallycapabletooperateor
servicethemachine.
•Alwayskeeptherollbarinthefullyraisedand
lockedpositionandusetheseatbelt.
•Donotoperatethemachineneardrop-offs,
ditches,embankments,water,orotherhazards,or
onslopesgreaterthan15°.
•Donotputyourhandsorfeetnearmoving
componentsofthemachine.
•Donotoperatethemachinewithoutallguards,
safetyswitches,andothersafetyprotective
devicesinplaceandfunctioningproperly.
•Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operator’sposition.Allowthemachinetocool
beforeservicing,adjusting,fueling,cleaning,or
storingit.
5

SlopeIndicator
Figure3
Youmaycopythispageforpersonaluse.
1.Themaximumslopeyoucanoperatethemachineonis15degrees.Usetheslopecharttodeterminethedegreeofslopeof
hillsbeforeoperating.Donotoperatethismachineonaslopegreaterthan15degrees.Foldalongtheappropriateline
tomatchtherecommendedslope.
2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.
3.Exampleofhowtocompareslopewithfoldededge
6
g011841

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
BatterySymbols
Someorallofthesesymbolsareonyourbattery .
decalbatterysymbols
1.Explosionhazard6.Keepbystandersaway
2.Nore,opename,or
smoking
3.Causticliquid/chemical
burnhazard
4.Weareyeprotection.9.Flusheyesimmediately
5.ReadtheOperator's
Manual.
fromthebattery .
7.Weareyeprotection;
explosivegasescan
causeblindnessandother
injuries.
8.Batteryacidcancause
blindnessorsevereburns.
withwaterandgetmedical
helpfast.
10.Containslead;donot
discard
Manufacturer'sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal
machinemanufacturer.
decal107-3069
107-3069
decaloemmarkt
1.Warning–thereisnorolloverprotectionwhentherollbaris
down.
2.Toavoidinjuryordeathfromarolloveraccident,keepthe
rollbarintheraisedandlockedpositionandweartheseat
belt.Lowertherollbaronlywhenabsolutelynecessary;do
notweartheseatbeltwhentherollbarisdown.
3.ReadtheOperator'sManual;driveslowlyandcarefully .
1.Donotstephere.
1.Warning—donottouchthehotsurface.
decal93-6687
93-6687
decal106-5517
106-5517
7

decal117-3276
117-3276
109-6036
RearDischargeMachinesOnly
1.ReadtheOperator’sManual.
2.Removethekeyandreadtheinstructionsbeforeservicing
orperformingmaintenance.
3.Heightofcut
112-9028
1.Warning—stayawayfrommovingparts;keepallguards
andshieldsinplace.
1.Enginecoolantunder
pressure
decal109-6036
decal112-9028
2.Explosionhazard—read
theOperator'sManual.
3.Warning—donottouchthe
hotsurface.
4.Warning—readthe
Operator'sManual.
116-8283
1.Warning—readtheOperator'sManualforinstructionson
torquingthebladebolt/nutto75to81N∙m(55to60ft-lb).
133-8062
decaldieselonly
FuelCap
144-inchDeckModelsOnly
1.Ultra-LowSulfurDiesel
FuelOnly
decal116-8283
decal133-8062
2.DieselOnly—Readthe
Operator’sManual.
8

126-8383
Note:Thismachinecomplieswiththeindustrystandardstabilitytestinthestaticlateralandlongitudinaltestswiththemaximum
recommendedslopeindicatedonthedecal.ReviewtheinstructionsforoperatingthemachineonslopesintheOperator’sManualas
wellastheconditionsinwhichyouwouldoperatethemachinetodeterminewhetheryoucanoperatethemachineintheconditionson
thatdayandatthatsite.Changesintheterraincanresultinachangeinslopeoperationforthemachine.
decal126-8383
1.Warning—readtheOperator’sManual;donotoperatethis
machineunlessyouaretrained;wearhearingprotection.
2.Cutting/dismembermenthazardofthehand,mowerblade;
entanglementhazardofthehand,belt—stayawayfrom
movingparts;keepallguardsandshieldsinplace.
3.Ramphazard—donotusedualrampswhenloadingontoa
trailer;use1rampwideenoughforthemachine;usearamp
withaslopelessthan15°;backuptherampwhenloadingthe
machineanddriveforwardofftherampwhenunloading.
decal126-8597
126-8597
1.Heightofcut
2.Rangeadjustment
4.Runover/backoverhazard—donotcarrypassengers;look
behindyouwhenmowinginreverse.
5.Thrownobjecthazard—keepbystandersaway .
6.Tippinghazard—donotusethemachineneardrop-offsor
onslopesgreaterthan15°;onlyoperateacrossslopesless
than15°.
1.Heightofcut
decal126-9275
126-9275
decal126-8760
126-8760
2.Rangeadjustment
9

decal135-0670
135-0670
1.Thrownobject
hazard—keepbystanders
away.
1.Crushinghazard,
hand—readthe
decal135-1432
135-1432
decal135-0664
135-0664
2.Cutting/dismemberment
hazardofhandsand
instructionsbefore
servicingorperforming
maintenance.
1.Rotatingdrivelinehazard/entanglementhazard;belt—stay
awayfrommovingparts;keepallguardsandshieldsin
place.
2.Warning—lockthe
deckwingsandread
theinstructionsbefore
servicingorperforming
maintenance.
decal135-0679
135-0679
feet—stayawayfrom
movingparts;keepall
guardsandshieldsin
place.
135-2837
1.ReadtheOperator’sManualformoreinformation;Use
redTorowet-clutchtransmissionuid;donotusegreen
hydraulicuid.
10
decal135-2837

1.Frontofthemowerdeck
decal142-3903
142-3903
decal142-3953
142-3953
1.Machinespeed4.Neutral
2.Fast5.Reverse
3.Slow
decal142-3952
6.Parkingbrake—engaged
142-3952
1.Machinespeed4.Neutral
2.Fast5.Reverse
3.Slow
6.Parkingbrake—engaged
decal142-3956
142-3956
1.Engine—Off
2.Engine—On
3.Engine—Start
4.Lowerthecenterdeckand
wings
5.Raisethecenterdeckand
wings
6.Highrange
7.Transmission
8.Lowrange
11

142-6728
1.Chassis(15A)4.Powerport(15A)
2.Accessory(15A)
3.Main(25A)
5.Fan,photorelay
decal142-6728
decal142-7835
142-7835
1.Readtheinstructionsbeforeservicingorperforming
9.Checktheaircleaner
maintenance.
2.Timeinterval
10.Greasetheidlerpivots;refertotheOperator'sManualfor
furtherinstructions(3locations)
3.Checktheengine-oillevel.11.Greasethefrontcasterwheelbearings;refertotheOperator's
Manualforfurtherinstructions(4locations)
4.Checkthecoolantlevel;refertotheOperator'sManualfor
furtherinstructions.
5.Checkthetirepressure(2locations)
6.Checkthehydraulic-uidlevel;refertotheOperator'sManual
12.Greasethefrontcasterpivots;refertotheOperator'sManual
forfurtherinstructions(5locations)
13.96and144-inchModels
14.144-inchmodelsonly
forfurtherinstructions.
7.Checktheoillevelinjackshaft.15.Checktheoillevelinthewheeldrivegearbox(2locations)
8.Greasethedeck-drivePTO;refertotheOperator'sManual
forfurtherinstructions.
decal142-7838
142-7838
1.Torquethewheellugnuts
to95ft-lb(129N∙m)(8x)
2.Readandunderstand
theOperator'sManual
beforeperformingany
maintenance;checkthe
torqueaftertherst100
hours,thenevery500
hours,thereafter.
12

ProductOverview
Figure4
1.Centerdeckheight-of-cutpin
2.Wingdeckheight-of-cutpin
3.Motion-controllever8.Fuel-tankcap13.Machinecasterwheel
4.Displaymonitor9.Wingdeckcasterwheel14.Mirror
5.Rollbar10.Wingdeck
6.Audiblealarm11.Anti-scalproller
7.Fuelgauge
12.Centerdeck
g362295
13

Controls
Becomefamiliarwithallthecontrolsbeforeyoustart
theengineandoperatethemachine.
ControlPanel
HorizonDisplayMonitor
RefertotheSoftwareGuidefordetailedinformation
explainingtheoperatorinterfacethatallowsyouto
accessinformation,resetcounters,modifysystem
settings,andtroubleshoottheequipment.
Figure5
1.Deckliftandwingdeck
fold/unfoldswitch
2.Keyswitch5.Horizondisplaymonitor
3.Blade-controlswitch
(powertakeoff)
4.High-Lowspeedrange
switch
g362360
Figure6
HorizonDisplayMonitor
1.Screen
2.LEDstatuslight
InformationScreen
3.Buttons
g362697
Theinformationscreendisplaysinformationrelative
tomachineoperation;refertotheSoftwareGuidefor
moreinformation.
Buttons
Themulti-functionalbuttonsarelocatedatthebottom
ofthepanel.Theiconsdisplayedontheinformation
screenabovethebuttonsindicatethecurrentfunction.
Thebuttonsallowyoutoselecttheenginespeedand
navigatethroughsystemmenus.
RefertotheSoftwareGuideformoreinformation.
LEDStatusLight
TheLEDstatuslightismulti-coloredtoindicatethe
systemstatusandislocatedontherightsideofthe
panel.Duringstartup,theLEDilluminatesredto
orangetogreentoverifyfunctionality.
14

•Solidgreen—indicatesnormaloperatingactivity
•Blinkingred—indicatesanactivefault
•Blinkinggreenandorange—indicatesthata
clutchresetisrequired
RefertotheSoftwareGuideformoreinformation.
Alarm
Ifanerroroccurs,anerrormessagedisplays,theLED
turnsred,andthealarmsoundsaudiblyasfollows:
•Afastchirpsoundindicatescriticalerrors.
•Aslowchirpingsoundindicateslesscriticalerrors,
suchasrequiredmaintenanceorserviceintervals.
Blade-ControlSwitch(Power
Takeoff)
Theblade-controlswitch(PTO)engagesand
disengagespowertothemowerblades(Figure5).
TheLCDindicatorappearsontheinformationscreen
whenthePTOswitchisdisengaged.
Note:MachinesequippedwiththeHorizonDisplay
Monitorhaveaclutchsaver,whichallowsthethrottle
toautomaticallyreducetheenginespeedwhen
youdisengagethePTOswitch.Engagingand
disengagingthePTOswitchchangestheengine
throttlebetweentheMOWandTRANSPORTmodes.
Note:Duringstartup,thealarmsoundsbrieyto
verifyfunctionality.
RefertotheSoftwareGuideformoreinformation.
HourMeter
Thehourmeterrecordsthenumberofhoursthe
enginehasoperated.Itoperateswhentheengine
isrunning.Usethesetimesforschedulingregular
maintenance(Figure6).
HoursaredisplayedinEngine-Offscreenorinthe
EngineHourCountermenu.
RefertotheSoftwareGuideformoreinformation.
KeySwitch
Usethisswitchtostarttheengine.Ithas3positions:
START,RUN,andOFF.
Note:TheLCDindicatorsappearwheneachcontrol
meetsthe“safetostart”mode(e.g.,theindicator
turnsonwhenyouareintheseat.)
Note:TheengineECUcontrolstheglowplugsduring
coldstarts.Ifthecoolanttemperatureistoolow,the
glowsymboldisplaysonthemonitorandthestarter
doesnotcrankwhenyouturntheenginetotheSTART
position.TheglowplugsactivateintheONorSTART
position.Oncetheglowhasbeenonlongenough
forthecurrenttemperature,theglowsymbolonthe
monitordisappearsandtheenginecrankswhen
turnedtotheST ARTposition.
Note:Thesystemallowsyoutostartthemachine
withthePTOswitchengaged,butdoesnotengage
theblades.EngagingthePTOrequiresyoutoreset
thePTOswitchbydisengaging,thenengagingit.
Important:Youmustunfoldthewingdecks
beforeyoucanengagethePTO.
High-LowSpeedRangeSwitch
Thisswitch(Figure5)controlsthemachines2speed
ranges—highandlow.
PushtheswitchforwardtoselecttheHIGHposition.
PushtheswitchrearwardtoselecttheLOWposition.
Youcanchangetheswitchpositionatanytime,butit
isrecommendedthatyouonlyswitchbetweenspeed
rangeswhenthetractionpedalisinneutralandthe
machineisstopped.
Note:IfyouhavetheswitchintheHIGHposition,you
cannotlowerthedecksfromthefully-raisedposition
unlessthemachineisinneutralandthemachineis
stopped.
Note:Thesystemallowsyoutostartthemachinethe
withthePTOswitchengaged,butdoesnotengage
theblades.YoumustresetthePTOtoengagethe
PTO.
ThrottleControl
Thethrottlecontrolstheenginespeed,andthereare
3speeds:Maximum,Efcient,andLow.
RefertotheSoftwareGuideformoreinformation.
15

DeckLiftandWingDeck
Fold/UnfoldSwitch
Pushthetopoftheswitch(Figure5)toraisethe
centerdeckandfoldthewingdecks.
Pushthebottomoftheswitchtolowerthecenterdeck
andunfoldthewingdecks.
Motion-ControlLevers
Usethemotion-controlleverstodrivethemachine
forward,reverse,andturneitherdirection(Figure4).
ParkingBrake
Movethemotion-controlleversoutwardfromthe
centertoengagetheparkingbrake(Figure7).
Note:Whentheparkingbrakeisactivated,the
parking-brakesymbolappearsonthedisplay(Figure
8).
Specications
Workingwidth—368.1cm
(144-7/8inches)
Overallwidth
Overalllength257.3cm(101-5/16inches)
Overallheight
Treadwidth(center-to-center
oftires,widthwise)
Wheelbase(centerofthe
castertiretothecenterofthe
drivetire)
Overallweight1483kg(3,270lb)
Attachments/Accessories
Transportwidthsetatthe
3-inchesheightofcut—211
cm(83inches)
Rollbarup—182.4cm
(71-13/16inches)
Rollbardown—129.5cm(51
inches)
Drivewheels—131cm(51-1/2
inches)
Casterwheels—120.7cm
(47-1/2inches)
147cm(57-11/16inches)
Figure7
AselectionofT oroapprovedattachmentsand
accessoriesisavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorauthorizedT oro
distributororgotowww.Toro.comforalistofall
approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineT oro
g362882
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
1.Parkingbrakeengaged
g363137
Figure8
16

Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
BeforeOperation
BeforeOperationSafety
GeneralSafety
•Donotallowchildrenoruntrainedpeopleto
operateorservicethemachine.Localregulations
mayrestricttheageoftheoperator.Theowner
isresponsiblefortrainingalloperatorsand
mechanics.
•Inspecttheareawhereyouwillusethemachine,
andremoveallobjectsthatcouldinterferewith
theoperationofthemachineorthatthemachine
couldthrow.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Checkthatoperator-presencecontrols,safety
switches,andguardsareattachedandworking
properly.Donotoperatethemachineunlessthey
arefunctioningproperly.
•Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operator’sposition.Allowthemachinetocool
beforeservicing,adjusting,fueling,cleaning,or
storingit.
FuelSafety
•Fuelisextremelyammableandhighlyexplosive.
Areorexplosionfromfuelcanburnyouand
othersandcandamageproperty.
–Topreventastaticchargefromignitingthe
fuel,removethemachinefromthetruckor
trailerandrefuelitontheground,awayfrom
allvehicles.Ifthisisnotpossible,placea
portablefuelcontainerontheground,away
fromallvehicles,andllit;thenrefuelthe
machinefromthefuelcontainerratherthan
fromafuel-dispensernozzle.
–Fillthefueltankoutdoorsonlevelground,in
anopenarea,andwhentheengineiscold.
Wipeupanyfuelthatspills.
–Donothandlefuelwhensmokingoraroundan
openameorsparks.
–Donotremovethefuelcaporaddfueltothe
tankwhiletheengineisrunningorhot.
–Ifyouspillfuel,donotattempttostartthe
engine.Avoidcreatingasourceofignitionuntil
thefuelvaporshavedissipated.
–Storefuelinanapprovedcontainerandkeep
itoutofthereachofchildren.
•Fuelisharmfulorfatalifswallowed.Long-term
exposuretovaporscancauseseriousinjuryand
illness.
–Avoidprolongedbreathingofvapors.
–Keepyourhandsandfaceawayfromthe
nozzleandthefuel-tankopening.
–Keepfuelawayfromyoureyesandskin.
•Beforemowing,inspectthemachinetoensure
thatthecuttingassembliesareworkingproperly .
•Evaluatetheterraintodeterminetheappropriate
equipmentandanyattachmentsoraccessories
requiredtooperatethemachineproperlyand
safely.
•Wearappropriateclothing,includingeye
protection;longpants;substantial,slip-resistant
footwear;andhearingprotection.Tiebacklong
hairanddonotwearlooseclothingorloose
jewelry.
•Donotcarrypassengersonthemachine.
•Keepbystandersandpetsawayfromthemachine
duringoperation.Shutoffthemachineand
attachment(s)ifanyoneentersthearea.
•Donotoperatethemachineunlessallguards
andsafetydevices,suchasthedeectors,arein
placeandfunctioningproperly.Replacewornor
deterioratedpartswhennecessary.
•Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such
asonawaterheateroronotherappliances.
•Donotoperatethemachinewithouttheentire
exhaustsysteminplaceandinproperworking
condition.
•Keepthefuel-dispensernozzleincontactwith
therimofthefueltankorcontaineropeningat
alltimesuntilfuelingiscomplete.Donotusea
nozzlelock-opendevice.
•Ifyouspillfuelonyourclothing,changeyour
clothingimmediately.
•Donotoverllthefueltank.Replacethefuelcap
andtightenitsecurely.
•Cleangrassanddebrisfromthecuttingunit,
mufer,drives,andenginecompartmenttohelp
preventres.Cleanupoilorfuelspills.
17

AddingFuel
5.Fillthefueltanktothebottomofthellerneck
(Figure9).
RecommendedFuel
Theenginerunsonclean,freshdieselfuelwith
aminimumcetaneratingof40.Purchasefuelin
quantitiesthatcanbeusedwithin30daystoensure
fuelfreshness.
Usesummer-gradedieselfuel(No.2-D)at
temperaturesabove-7°C(20°F)andwinter-grade
dieselfuel(No.1-DorNo.1-D/2-Dblend)below
-7°C(20°F).Useofwinter-gradedieselfuelatlower
temperaturesprovideslowerashpointandpour
pointcharacteristics,thereforeeasingstartabilityand
lesseningchancesofchemicalseparationofthefuel
duetolowertemperatures(waxappearance,which
maypluglters).
Usingsummer-gradedieselfuelabove-7°C
(20°F)contributestowardlongerlifeofthepump
components.
Important:Donotusekeroseneorgasoline
insteadofdieselfuel.Failuretoobservethis
cautionwilldamagetheengine.
Note:Donotllthefueltankcompletelyfull.
Theemptyspaceinthetankallowsthefuelto
expand.
BiodieselReady
Thismachinecanalsouseabiodieselblendedfuel
ofuptoB20(20%biodiesel,80%petrodiesel).The
petrodieselportionshouldbeultralowsulfur.
Observethefollowingprecautions:
•Thebiodieselportionofthefuelmeetspecication
ASTMD6751orEN14214.
•TheblendedfuelcompositionshouldmeetASTM
D975orEN590.
•Paintedsurfacesmaybedamagedbybiodiesel
blends.
•UseB5(biodieselcontentof5%)orlesserblend
incoldweather.
•Monitorseals,hoses,gasketsincontactwithfuel
astheymaydegradeovertime.
•Fuellterpluggingmaybeexpectedforatime
afterconvertingtobiodieselblends.
•Contactyourdistributorformoreinformationon
biodiesel.
g027726
Figure9
PerformingDaily
Maintenance
Beforestartingthemachineeachday ,performthe
EachUse/DailyprocedureslistedinMaintenance
(page40).
BreakinginaNewMachine
FillingtheFuelTank
1.Parkthemachineonalevelsurface.
2.Engagetheparkingbrake.
3.Shutofftheengineandremovethekey.
4.Cleanaroundthefuel-tankcap.
Newenginestaketimetodevelopfullpower.Mower
decksanddrivesystemshavehigherfrictionwhen
new,placingadditionalloadontheengine.Allow
40to50hoursofbreak-intimefornewmachinesto
developfullpowerandbestperformance.
18

UsingtheRollover
ProtectionSystem(ROPS)
WARNING
Toavoidinjuryordeathfromrollover,keep
therollbarinthefullyraised,lockedposition
andusetheseatbelt.
Ensurethattheseatissecuredtothe
machine.
WARNING
Thereisnorolloverprotectionwhentheroll
barisinthedownposition.
•Lowertherollbaronlywhenabsolutely
necessary.
•Donotweartheseatbeltwhentherollbar
isinthedownposition.
•Driveslowlyandcarefully.
Figure10
1.Upperpartoftherollbar4.Rotatetheknobout90°
2.Knobinthelatched
position
3.Pulltheknobtounlatch.
toholditintheunlatched
position.
5.Knobintheunlatched
position
g225804
•Raisetherollbarassoonasclearance
permits.
•Checkcarefullyforoverheadclearances
(i.e.,branches,doorways,electricalwires)
beforedrivingunderanyobjectsanddo
notcontactthem.
LoweringtheRollBar
Important:Lowertherollbaronlywhen
absolutelynecessary.
1.Tolowertherollbar,applyforwardpressureto
theupperpartoftherollbar.
2.Pullbothknobsoutandrotatethem90degrees
sotheyarenotengaged(Figure10).
3.Lowertherollbartothedownposition(Figure
10).
RaisingtheRollBar
Important:Alwaysusetheseatbeltwiththeroll
barintheraisedposition.
1.Raisetherollbartotheoperatingpositionand
rotatetheknobsuntiltheymovepartiallyinto
thegrooves(Figure11).
2.Raisetherollbartothefulluprightpositionwhile
pushingontheupperrollbarsothatthepins
snapintopositionwhentheholesalignwiththe
pins(Figure11).
3.Pushontherollbarandensurethatbothpins
areengaged(Figure11).
Figure11
1.Engaged2.Partiallyengaged—donot
operatethemachinewith
theROPSinthisposition.
19
g008619

AdjustingtheMirrors
Whileintheoperatingposition,themirrorsshould
provideawide-angleviewtoassistwithblindspots.
Adjusttheleftandrightmirrortoensurethatyouhave
anoptimalviewingangle.
UsingtheMotion-Control
Levers
Figure12
1.Motion-control
levers—NEUTRAL-LOCK
position
2.Center,unlockedposition5.Frontofthemachine
3.Forward
4.Reverse
g004532
20

CheckingtheSafety-InterlockSystem
ServiceInterval:Beforeeachuseordaily
WARNING
Ifthesafety-interlockswitchesaredisconnectedordamaged,themachinecouldoperate
unexpectedly,causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitchesdailyandreplaceanydamagedswitches
beforeoperatingthemachine.
Note:Ifmachinedoesnotpassanyofthesetests,donotoperatethemachine.ContactanAuthorized
ServiceDealer.
Note:T opreventenginecut-outsonroughterrain,theseathasahalf-seconddelaybeforetheenginebegins
toshutdown.
CheckingtheNormalEngine-StartingChart
System
MotionControl
Levers/ParkingBrake
BothLeversOut=
ParkingBrakeEngaged
PTOOperatorOutcome
Bladesdisengaged
Intheseatoroutof
theseat
Startershouldcrank
StateoftheSystem
BothLeversOut=
ParkingBrakeEngaged
Upposition,butblades
disengaged*
Intheseatoroutof
theseat
Startershouldcrank
*:ThestarterwillcrankwiththePTOswitchintheON(pulledup)position;however,thesystemwilldisengage
thePTOandaresetPTOerrorwilloccur.EngagingthePTOwillrequiretheoperatortoresetthePTOswitch
byturningitOFF(pusheddown)andthenturningitON.
21

CheckingtheEngine-StartingCircuitChart
Note:IntheCheckingtheEngine-StartingCircuitChart,thestateofsystemitemthatisinboldtextis
beingcheckedineachscenario.
System
MotionControl
Levers/ParkingBrake
Bothleversmovedin,or
rightorleftlevermovedin=
ParkingBrakeDisengaged
Stateofthe
System
PTO(Blades)OperatorOutcome
Disengaged
OperatorintheseatStartermustnotcrank
22

CheckingtheShutdown-CircuitChart
Note:Thestateofthesystemitemsinboldtextarebeingcheckedineachscenario.
System
Engine
Runningidle(1/3throttle
orefcientmode)
MotionControl
Levers/Parking
Brake
Bothleversmoved
in,orrightorleft
levermovedin
=ParkingBrake
Disengaged
PTO(Blades)OperatorOutcome
Disengaged
Raiseoffthe
seat(butdonot
getoff)
Enginemustbegin
shutdownwithin1second
Stateofthe
System
Runningidle(1/3throttle
orefcientmode)
BothLeversOut
=ParkingBrake
Engaged
Engaged
Raiseoffthe
seat(butdonot
getoff)
PTOmustbegin
shutdownwithin1
second;enginestays
running.
CheckingtheShutdown-CircuitChart(continued)
Engine
System
MotionControl
Levers/Parking
Brake
PTO(Blades)OperatorOutcome
23

Stateof
System
Runningidle(1/3throttle
orefcientmode)
Bothleversmoved
in,orrightorleft
levermovedin
=ParkingBrake
Disengaged
EngagedandDeck
wingsup
Operatorinthe
seat
PTOmustbegin
shutdownwithin1
second;enginestays
running.
24