Toro 72028 User manual

FormNo.3441-790RevC
ZMaster®Professional7500-D
SeriesRidingMower
With60inTURBOFORCE®RearDischarge
Mower
ModelNo.72028—SerialNo.407110000andUp
ModelNo.72065—SerialNo.400000000andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)*3441-790*

ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineon
anyforest-covered,brush-covered,orgrass-covered
landunlesstheengineisequippedwithaspark
arrester,asdenedinSection4442,maintainedin
effectiveworkingorderortheengineisconstructed,
equipped,andmaintainedforthepreventionofre.
Theenclosedengineowner'smanualissupplied
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCaliforniaEmission
ControlRegulationofemissionsystems,maintenance,
andwarranty.Replacementsmaybeorderedthrough
theenginemanufacturer.
GrossorNetTorque:Thegrossornettorque
ofthisenginewaslaboratoryratedbytheengine
manufacturerinaccordancewiththeSocietyof
AutomotiveEngineers(SAE)J1940orJ2723.As
conguredtomeetsafety,emission,andoperating
requirements,theactualenginetorqueonthisclass
ofmowerwillbesignicantlylower.Pleasereferto
theenginemanufacturer’sinformationincludedwith
themachine.
WARNING
CALIFORNIA
Proposition65Warning
Dieselengineexhaustandsomeofits
constituentsareknowntotheStateof
Californiatocausecancer,birthdefects,
andotherreproductiveharm.
Batteryposts,terminals,andrelated
accessoriescontainleadandlead
compounds,chemicalsknownto
theStateofCaliforniatocause
cancerandreproductiveharm.Wash
handsafterhandling.
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Introduction
Thisrotary-blade,ridinglawnmowerisintendedtobe
usedbyprofessional,hiredoperators.Itisdesigned
primarilyforcuttinggrassonwell-maintainedlawns
onresidentialorcommercialproperties.Usingthis
productforpurposesotherthanitsintendedusecould
provedangeroustoyouandbystanders.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
Visitwww.T oro.comforproductsafetyandoperation
trainingmaterials,accessoryinformation,helpnding
adealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineT oroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Important:Withyourmobiledevice,youcan
scantheQRcode(ifequipped)ontheserial
numberdecaltoaccesswarranty,parts,andother
productinformation.
g235670
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2021—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
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.
sa-black
Figure2
Safety-alertsymbol
Contents
Safety.......................................................................5
GeneralSafety...................................................5
SlopeIndicator...................................................6
SafetyandInstructionalDecals..........................7
ProductOverview...................................................13
Controls...........................................................14
HorizonDisplayMonitor................................14
Specications..................................................16
Attachments/Accessories.................................16
BeforeOperation.................................................17
BeforeOperationSafety...................................17
AddingFuel......................................................18
PerformingDailyMaintenance..........................18
BreakinginaNewMachine..............................18
UsingtheRolloverProtectionSystem
(ROPS).........................................................19
UsingtheSafety-InterlockSystem....................20
PositioningtheSeat..........................................20
UnlatchingtheSeat..........................................21
ChangingtheSeatSuspension.........................21
DuringOperation.................................................21
DuringOperationSafety...................................21
OperatingtheParkingBrake.............................24
OperatingtheMowerBlade-ControlSwitch
(PTO)............................................................24
StartingtheEngine...........................................25
ShuttingOfftheEngine.....................................25
UsingtheMotion-ControlLevers.......................26
DrivingtheMachine..........................................26
UsingtheSideDischarge.................................27
AdjustingtheHeightofCut...............................28
AdjustingtheAnti-ScalpRollers........................28
AdjustingtheSkids...........................................30
AdjustingtheFlowBafeKnob.........................30
PositioningtheFlowBafe................................31
OperatingwiththeOverheatSensor.................32
OperatingTips.................................................33
AfterOperation....................................................34
AfterOperationSafety......................................34
UsingtheDrive-WheelReleaseValves.............34
TransportingtheMachine.................................34
Maintenance...........................................................36
MaintenanceSafety..........................................36
RecommendedMaintenanceSchedule(s)...........36
Lubrication..........................................................38
GreasingtheMachine.......................................38
LubricatingtheDriveU-JointsandSplined
SlipJoint.......................................................38
GreasingtheCasterPivots...............................39
GreasingtheCaster-WheelHubs.....................39
EngineMaintenance...........................................40
EngineSafety...................................................40
ServicingtheAirCleaner..................................40
ServicingtheEngineOil....................................41
InspectingtheEngine-ValveClearance............42
FuelSystemMaintenance...................................43
3

DrainingtheFuelFilter/WaterSeparator...........43
ReplacingtheWaterSeparator........................43
CheckingtheFuelLinesand
Connections..................................................43
ElectricalSystemMaintenance...........................44
ElectricalSystemSafety...................................44
ServicingtheBattery.........................................44
ServicingtheFuses..........................................45
DriveSystemMaintenance..................................46
CheckingtheSeatBelt.....................................46
AdjustingtheTracking......................................46
CheckingtheTirePressure...............................47
CheckingtheWheelLugNuts...........................47
AdjustingtheCaster-PivotBearing...................47
ServicingtheGearbox......................................48
CoolingSystemMaintenance..............................49
CoolingSystemSafety.....................................49
CheckingtheEngine-CoolantLevel..................49
CleaningtheRadiator.......................................49
ChangingtheEngineCoolant...........................50
BrakeMaintenance.............................................51
AdjustingtheParkingBrake..............................51
BeltMaintenance................................................52
InspectingtheBelts..........................................52
ReplacingtheMowerBelt.................................52
CheckingtheAlternator-BeltTension................53
ControlsSystemMaintenance.............................53
AdjustingtheControl-HandlePosition..............53
AdjustingtheMotion-ControlLinkage...............54
AdjustingtheMotion-ControlDamper...............55
HydraulicSystemMaintenance...........................55
HydraulicSystemSafety...................................55
ServicingtheHydraulicSystem........................55
MowerDeckMaintenance....................................57
BladeSafety.....................................................57
ServicingtheCuttingBlades.............................57
LevelingtheMowerDeck..................................60
Cleaning..............................................................63
CleaningtheEngineandExhaustSystem
Area..............................................................63
CleaningtheMachineandMower
Deck..............................................................63
DisposingofWaste...........................................63
Storage...................................................................64
StorageSafety..................................................64
CleaningandStorage.......................................64
Troubleshooting......................................................65
Schematics.............................................................67
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
g011841
Figure3
Youmaycopythispageforpersonaluse.
1.Themaximumslopeyoucanoperatethemachineonis15degrees.Usetheslopecharttodeterminethedegreeofslopeof
hillsbeforeoperating.Donotoperatethismachineonaslopegreaterthan15degrees.Foldalongtheappropriateline
tomatchtherecommendedslope.
2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.
3.Exampleofhowtocompareslopewithfoldededge
6

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
decalbatterysymbols
BatterySymbols
Someorallofthesesymbolsareonyourbattery.
1.Explosionhazard6.Keepbystandersaway
fromthebattery.
2.Nore,opename,or
smoking
7.Weareyeprotection;
explosivegasescan
causeblindnessandother
injuries.
3.Causticliquid/chemical
burnhazard
8.Batteryacidcancause
blindnessorsevereburns.
4.Weareyeprotection.9.Flusheyesimmediately
withwaterandgetmedical
helpfast.
5.ReadtheOperator's
Manual.
10.Containslead;donot
discard
decaloemmarkt
Manufacturer'sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal
machinemanufacturer.
decal58-6520
58-6520
1.Grease
decal93-6687
93-6687
1.Donotstephere.
decal99-8936
99-8936
1.Machinespeed4.Neutral
2.Fast5.Reverse
3.Slow
decal106-5517
106-5517
1.Warning—donottouchthehotsurface.
7

decal107-3069
107-3069
1.Warning–thereisnorolloverprotectionwhentherollbaris
down.
2.Toavoidinjuryordeathfromarolloveraccident,keepthe
rollbarintheraisedandlockedpositionandweartheseat
belt.Lowertherollbaronlywhenabsolutelynecessary;do
notweartheseatbeltwhentherollbarisdown.
3.ReadtheOperator'sManual;driveslowlyandcarefully.
decal109-6036
109-6036
RearDischargeMachinesOnly
1.ReadtheOperator’sManual.
2.Removethekeyandreadtheinstructionsbeforeservicing
orperformingmaintenance.
3.Heightofcut
decal112-9028
112-9028
1.Warning—stayawayfrommovingparts;keepallguards
andshieldsinplace.
decal116-5988
116-5988
1.Parkingbrake—engaged2.Parking
brake—disengaged
decal116-8283
116-8283
1.Warning—readtheOperator'sManualforinstructionson
torquingthebladebolt/nutto75to81N∙m(55to60ft-lb).
decal117-3276
117-3276
1.Enginecoolantunder
pressure
3.Warning—donottouchthe
hotsurface.
2.Explosionhazard—read
theOperator'sManual.
4.Warning—readthe
Operator'sManual.
8

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

decal126-9278
126-9278
1.Engine—Off4.Pushthebottomofthebuttontolowerthedeck.
2.Engine—On5.Pushthetopofthebuttontoraisethedeck.
3.Engine—Start
decal126-9279
126-9279
1.Readtheinstructionsbeforeservicingorperforming
maintenancetothemachine.
7.Checkthejackshaft-uidlevel.
2.Timeinterval8.Greasethedeck-drivePTO;refertotheOperator'sManual
forfurtherinstructions.
3.Checktheengine-oillevel.9.Checktheaircleaner.
4.Checkthecoolantlevel;refertotheOperator'sManualfor
furtherinstructions.
10.Greasetheidlerpivot;refertotheOperator'sManualfor
furtherinstructions
5.Checkthetirepressure(2locations).11.Greasethefrontcasterwheelbearings(2locations);referto
theOperator'sManualforfurtherinstructions.
6.Checkhydraulic-uidlevel;refertotheOperator'sManual
forfurtherinstructions.
12.Greasethefrontcasterpivots(2locations);refertothe
Operator'sManualforfurtherinstructions.
10

decal126-9280
126-9280
ForModelswith152cm(60-inch)or183cm(72-inch)
DeckswithRearDischarge
1.Beltrouting
decal126-9351
126-9351
1.Chassis(15A)3.Main(25A)
2.Accessory(15A)4.Powerpoint(15A)
decal127-0326
127-0326
1.ReadtheOperator's
Manual.
3.Removethekeyand
readtheOperator's
Manualbeforeperforming
maintenance.
2.Heightofcut
decal135-0328
135-0328
1.Torquethewheellugnuts
to129N∙m(95ft-lb).
2.Readandunderstand
theOperator'sManual
beforeperformingany
maintenance;checkthe
torqueaftertherst100
hours,thenevery500
hours,thereafter.
decal135-0664
135-0664
1.Thrownobject
hazard—keepbystanders
away.
2.Cutting/dismemberment
hazardofhandsand
feet—stayawayfrom
movingparts;keepall
guardsandshieldsin
place.
11

decal135-0679
135-0679
1.Rotatingdrivelinehazard/entanglementhazard;belt—stay
awayfrommovingparts;keepallguardsandshieldsin
place.
decal135-1432
135-1432
decal135-2837
135-2837
1.ReadtheOperator’sManualformoreinformation;Use
redT orowet-clutchtransmissionuid;donotusegreen
hydraulicuid.
decal133-8062
133-8062
12

ProductOverview
g227303
Figure4
1.Height-of-cutpin7.Motion-controllever
2.Parking-brakelever8.Fuel-tankcap
3.Monitor/controls9.Anti-scalproller
4.Rollbar10.Skid
5.Enginescreen11.Casterwheel
6.Audiblealarmandpowerpoint12.Mowerdeck
13

Controls
Becomefamiliarwithallthecontrolsbeforeyoustart
theengineandoperatethemachine.
ControlPanel
g225792
Figure5
1.Horizondisplaymonitor3.Keyswitch
2.Deck-liftswitch4.Blade-controlswitch
(powertakeoff)
HorizonDisplayMonitor
RefertotheSoftwareGuidefordetailedinformation
explainingtheoperatorinterfacethatallowsyouto
accessinformation,resetcounters,modifysystem
settings,andtroubleshoottheequipment.
g228164
Figure6
HorizonDisplayMonitor
1.Screen3.Buttons
2.LEDstatuslight
InformationScreen
Theinformationscreendisplaysinformationrelative
tomachineoperation;refertotheSoftwareGuidefor
moreinformation.
Buttons
Themulti-functionalbuttonsarelocatedatthebottom
ofthepanel.Theiconsdisplayedontheinformation
screenabovethebuttonsindicatethecurrentfunction.
Thebuttonsallowyoutoselecttheenginespeedand
navigatethroughsystemmenus.
RefertotheSoftwareGuideformoreinformation.
LEDStatusLight
TheLEDstatuslightismulti-coloredtoindicatethe
systemstatusandislocatedontherightsideofthe
panel.Duringstartup,theLEDilluminatesredto
orangetogreentoverifyfunctionality.
•Solidgreen—indicatesnormaloperatingactivity
•Blinkingred—indicatesanactivefault
•Blinkinggreenandorange—indicatesthata
clutchresetisrequired
RefertotheSoftwareGuideformoreinformation.
Alarm
Ifanerroroccurs,anerrormessagedisplays,theLED
turnsred,andthealarmsoundsaudiblyasfollows:
14

•Afastchirpsoundindicatescriticalerrors.
•Aslowchirpingsoundindicateslesscriticalerrors,
suchasrequiredmaintenanceorserviceintervals.
Note:Duringstartup,thealarmsoundsbrieyto
verifyfunctionality.
RefertotheSoftwareGuideformoreinformation.
HourMeter
Thehourmeterrecordsthenumberofhoursthe
enginehasoperated.Itoperateswhentheengine
isrunning.Usethesetimesforschedulingregular
maintenance(Figure5).
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
turnedtotheSTARTposition.
Note:Thesystemallowsyoutostartthemachinethe
withthePTOswitchengaged,butdoesnotengage
theblades.YoumustresetthePTOtoengagethe
PTO.
ThrottleControl
Thethrottlecontrolstheenginespeed,andthereare
3speeds:Maximum,Efcient,andLow.
RefertotheSoftwareGuideformoreinformation.
Blade-ControlSwitch(Power
Takeoff)
Theblade-controlswitch(PTO)engagesand
disengagespowertothemowerblades(Figure5).
TheLCDindicatorappearsontheinformationscreen
whenthePTOswitchisdisengaged.
Note:MachinesequippedwiththeHorizonDisplay
Monitorhaveaclutchsaver,whichallowsthethrottle
toautomaticallyreducetheenginespeedwhen
youdisengagethePTOswitch.Engagingand
disengagingthePTOswitchchangestheengine
throttlebetweenMOWandTRANSPORTmode.
Note:Thesystemallowsyoutostartthemachine
withthePTOswitchengaged,butdoesnotengage
theblades.EngagingthePTOrequiresyoutoreset
thePTOswitchbydisengaging,thenengagingit.
Deck-LiftSwitch
Presstheswitchrearwardtoraisethedeck.
Presstheswitchforwardtolowerthedeck.
Motion-ControlLevers
Usethemotion-controlleverstodrivethemachine
forward,reverse,andturneitherdirection(Figure4).
Neutral-LockPosition
Movethemotion-controlleversoutwardfromthe
centertotheNEUTRAL-LOCKpositionwhenexiting
themachine(Figure22).Alwayspositionthe
motion-controlleversintotheNEUTRAL-LOCKposition
whenyoustopthemachineorleaveitunattended.
Parking-BrakeLever
Wheneveryoushutofftheengine,engagetheparking
braketopreventaccidentalmovementofthemachine.
15

Specications
OverallWidth
168.2cm(66.2inches)
OverallLength
Rollbarupordown255.5cm(100-5/8inches)
OverallHeight
Rollbarup182.4cm(71-13/16inches)
Rollbardown129.5cm(51inches)
OverallHeight
Rollbarup182.4cm(71-13/16inches)
Rollbardown129.5cm(51inches)
TreadWidthofDriveWheels
112cm(44-1/8inches)
TreadWidthofCasterWheels
(Center-to-CenterofTires)
84cm(33-1/8inches)
WheelBase(CenterofCasterTiretoCenter
ofDriveTire)
157.2cm(61-7/8inches)
Attachments/Accessories
AselectionofT oroapprovedattachmentsand
accessoriesisavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorauthorizedT oro
distributororgotowww.T oro.comforalistofall
approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineT oro
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
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.
•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.
•Donotoperatethemachineunlessallguardsand
safetydevices,suchasthedeectorsandthe
entiregrasscatcher,areinplaceandfunctioning
properly.Replacewornordeterioratedpartswhen
necessary.
FuelSafety
•Fuelisextremelyammableandhighlyexplosive.
Areorexplosionfromfuelcanburnyouand
othersandcandamageproperty.
–Topreventastaticchargefromignitingthefuel,
placethecontainerand/ormachinedirectlyon
thegroundbeforelling,notinavehicleoron
anobject.
–Fillthefueltankoutdoorsonlevelground,in
anopenarea,andwhentheengineiscold.
Wipeupanyfuelthatspills.
–Donothandlefuelwhensmokingoraroundan
openameorsparks.
–Donotremovethefuelcaporaddfueltothe
tankwhiletheengineisrunningorhot.
–Ifyouspillfuel,donotattempttostartthe
engine.Avoidcreatingasourceofignitionuntil
thefuelvaporshavedissipated.
–Storefuelinanapprovedcontainerandkeep
itoutofthereachofchildren.
•Fuelisharmfulorfatalifswallowed.Long-term
exposuretovaporscancauseseriousinjuryand
illness.
–Avoidprolongedbreathingofvapors.
–Keepyourhandsandfaceawayfromthe
nozzleandthefuel-tankopening.
–Keepfuelawayfromyoureyesandskin.
•Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such
asonawaterheateroronotherappliances.
•Donotllcontainersinsideavehicleoronatruck
ortrailerbedwithaplasticliner.Alwaysplace
containersonthegroundandawayfromyour
vehiclebeforelling.
•Removetheequipmentfromthetruckortrailer
andrefuelitwhileitisontheground.Ifthisisnot
possible,thenrefuelfromaportablecontainer
ratherthanfromafuel-dispensernozzle.
•Donotoperatethemachinewithouttheentire
exhaustsysteminplaceandinproperworking
condition.
•Keepthefuel-dispensernozzleincontactwith
therimofthefueltankorcontaineropeningat
alltimesuntilfuelingiscomplete.Donotusea
nozzlelock-opendevice.
•Ifyouspillfuelonyourclothing,changeyour
clothingimmediately.
•Donotoverllthefueltank.Replacethefuelcap
andtightenitsecurely.
•Cleangrassanddebrisfromthecuttingunit,
mufer,drives,grasscatcher,andengine
compartmenttohelppreventres.Cleanupoilor
fuelspills.
17

AddingFuel
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
temperaturesprovideslowerashpointandpour
pointcharacteristics,thereforeeasingstartabilityand
lesseningchancesofchemicalseparationofthefuel
duetolowertemperatures(waxappearance,which
maypluglters).
Usingsummer-gradedieselfuelabove-7°C
(20°F)contributestowardlongerlifeofthepump
components.
Important:Donotusekeroseneorgasoline
insteadofdieselfuel.Failuretoobservethis
cautionwilldamagetheengine.
BiodieselReady
Thismachinecanalsouseabiodieselblendedfuel
ofuptoB20(20%biodiesel,80%petrodiesel).The
petrodieselportionshouldbeloworultralowsulfur.
Observethefollowingprecautions:
•Thebiodieselportionofthefuelmeetspecication
ASTMD6751orEN14214.
•TheblendedfuelcompositionshouldmeetASTM
D975orEN590.
•Paintedsurfacesmaybedamagedbybiodiesel
blends.
•UseB5(biodieselcontentof5%)orlesserblend
incoldweather.
•Monitorseals,hoses,gasketsincontactwithfuel
astheymaydegradeovertime.
•Fuellterpluggingmaybeexpectedforatime
afterconvertingtobiodieselblends.
•Contactyourdistributorformoreinformationon
biodiesel.
FillingtheFuelTank
1.Parkthemachineonalevelsurface.
2.Engagetheparkingbrake.
3.Shutofftheengineandremovethekey.
4.Cleanaroundthefuel-tankcap.
5.Fillthefueltanktothebottomofthellerneck
(Figure7).
Note:Donotllthefueltankcompletelyfull.
Theemptyspaceinthetankallowsthefuelto
expand.
g027726
Figure7
PerformingDaily
Maintenance
Beforestartingthemachineeachday,performthe
EachUse/DailyprocedureslistedinMaintenance
(page36).
BreakinginaNewMachine
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.
•Raisetherollbarassoonasclearance
permits.
•Checkcarefullyforoverheadclearances
(i.e.,branches,doorways,electricalwires)
beforedrivingunderanyobjectsanddo
notcontactthem.
LoweringtheRollBar
Important:Lowertherollbaronlywhen
absolutelynecessary.
1.Tolowertherollbar,applyforwardpressureto
theupperpartoftherollbar.
2.Pullbothknobsoutandrotatethem90degrees
sotheyarenotengaged(Figure8).
3.Lowertherollbartothedownposition(Figure
8).
g225804
Figure8
1.Upperpartoftherollbar4.Rotatetheknobout90°
toholditintheunlatched
position.
2.Knobinthelatched
position
5.Knobintheunlatched
position
3.Pulltheknobtounlatch.
RaisingtheRollBar
Important:Alwaysusetheseatbeltwiththeroll
barintheraisedposition.
1.Raisetherollbartotheoperatingpositionand
rotatetheknobsuntiltheymovepartiallyinto
thegrooves(Figure9).
2.Raisetherollbartothefulluprightpositionwhile
pushingontheupperrollbarsothatthepins
snapintopositionwhentheholesalignwiththe
pins(Figure9).
3.Pushontherollbarandensurethatbothpins
areengaged(Figure9).
g008619
Figure9
1.Engaged2.Partiallyengaged—donot
operatethemachinewith
theROPSinthisposition.
19

UsingtheSafety-Interlock
System
WARNING
Ifthesafety-interlockswitchesare
disconnectedordamaged,themachinecould
operateunexpectedly,causingpersonal
injury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthemachine.
Understandingthe
Safety-InterlockSystem
Thesafety-interlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Theparkingbrakeisengaged.
•Theblade-controlswitch(PTO)isdisengaged.
•Themotion-controlleversareintheNEUTRAL-LOCK
position.
Thesafety-interlocksystemalsoisdesignedtoshut
offtheenginewhenthemotion-controlleversare
movedfromtheNEUTRAL-LOCKpositionwiththe
parkingbrakeengagedorifyourisefromtheseat
whenthePTOisengaged.
TheHorizonDisplayMonitorhasindicatorstonotify
theuserwhentheinterlockcomponentisinthe
correctposition.Whenthecomponentisinthecorrect
position,anindicatordisplaysonthescreen.
g230650
Figure10
1.Indicatorsdisplaywhentheinterlockcomponentsareinthe
correctposition
TestingtheSafety-Interlock
System
ServiceInterval:Beforeeachuseordaily
Testthesafety-interlocksystembeforeyouusethe
machineeachtime.Ifthesafetysystemdoesnot
operateasdescribedbelow,haveanAuthorized
ServiceDealerrepairthesafetysystemimmediately.
1.Sitontheseat,engagetheparkingbrake,and
movetheblade-controlswitch(PTO)totheON
position.Trystartingtheengine;theengine
shouldnotstart.
2.Sitontheseat,engagetheparkingbrake,and
movetheblade-controlswitch(PTO)totheOFF
position.Moveeithermotion-controlleverout
oftheNEUTRAL-LOCKposition.Trystartingthe
engine;theengineshouldnotstart.Repeatfor
theothercontrollever.
3.Sitontheseat,engagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controllevers
totheNEUTRAL-LOCKposition.Nowstartthe
engine.Whiletheengineisrunning,disengage
theparkingbrake,engagetheblade-control
switch(PTO),andriseslightlyfromtheseat;the
engineshouldshutoff.
4.Sitontheseat,engagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controllevers
totheNEUTRAL-LOCKposition.Nowstartthe
engine.Whiletheengineisrunning,center
eithermotioncontrolandmove(forwardor
reverse);theengineshouldshutoff.Repeatfor
othermotioncontrol.
5.Sitontheseat,disengagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controllevers
totheNEUTRAL-LOCKposition.Trystartingthe
engine;theengineshouldnotstart.
PositioningtheSeat
Theseatcanmoveforwardandbackward.Position
theseatwhereyouhavethebestcontrolofthe
machineandaremostcomfortable(Figure11).
g019754
Figure11
20