Toro 44427 Operator's Manual

FormNo.3432-306RevE

ProLineCommercialWalk-Behind Mower

with36in,48in,54in,or60inCuttingUnit

ModelNo.44409—SerialNo.400000000andUp ModelNo.44410—SerialNo.400000000andUp ModelNo.44423—SerialNo.400000000andUp ModelNo.44424—SerialNo.400000000andUp ModelNo.44427—SerialNo.400000000andUp ModelNo.44430—SerialNo.400000000andUp ModelNo.44436—SerialNo.400000000andUp ModelNo.44448—SerialNo.400000000andUp ModelNo.44454—SerialNo.400000000andUp ModelNo.44460—SerialNo.400000000andUp

Registeratwww.T oro.com. OriginalInstructions(EN)

*3432-306*

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.

Pleaserefertotheenginemanufacturer’sinformation includedwiththemachine.

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Batteryposts,terminals,andrelated

accessoriescontainleadandlead

compounds,chemicalsknownto

theStateofCaliforniatocause

cancerandreproductiveharm.Wash

handsafterhandling.

Useofthisproductmaycauseexposure

tochemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Visitwww.Toro.comformoreinformation,including safetytips,trainingmaterials,accessoryinformation, helpndingadealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or additionalinformation,contactanAuthorizedService DealerorToroCustomerServiceandhavethemodel andserialnumbersofyourproductready.Figure1 identiesthelocationofthemodelandserialnumbers ontheproduct.Writethenumbersinthespace provided.

Important:Withyourmobiledevice,youcan

scantheQRcodeontheserialnumberdecal(if equipped)toaccesswarranty,parts,andother productinformation.

g291703

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas safetymessagesidentiedbythesafety-alertsymbol (Figure2),whichsignalsahazardthatmaycause seriousinjuryordeathifyoudonotfollowthe recommendedprecautions.

Introduction

Thisrotary-bladelawnmowerisintendedtobeused byresidentialhomeownersorprofessional,hired operators.Itisdesignedprimarilyforcuttinggrasson well-maintainedlawnsonresidentialorcommercial properties.Usingthisproductforpurposesotherthan itsintendedusecouldprovedangeroustoyouand bystanders.

Readthisinformationcarefullytolearnhowtooperate andmaintainyourproductproperlyandtoavoid injuryandproductdamage.Youareresponsiblefor operatingtheproductproperlyandsafely .

Figure2

Safety-alertsymbol

Thismanualuses2wordstohighlightinformation. Importantcallsattentiontospecialmechanical informationandNoteemphasizesgeneralinformation worthyofspecialattention.

g000502

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

Contents

Safety.......................................................................4

GeneralSafety...................................................4

SafetyandInstructionalDecals..........................4

ProductOverview.....................................................8

Controls.............................................................8

Specications....................................................9

Attachments/Accessories...................................9

BeforeOperation.................................................10

BeforeOperationSafety...................................10

AddingFuel......................................................10

UsingtheSafety-InterlockSystem.....................11

PerformingDailyMaintenance..........................12

DuringOperation.................................................12

DuringOperationSafety...................................12

OperatingtheParkingBrake.............................13

StartingtheEngine...........................................14

ShuttingOfftheEngine.....................................14

OperatingtheMower-Blade-ControlSwitch

(PTO)............................................................15

DrivingtheMachine..........................................16

UsingtheAdjustableReferenceBar.................17

SideDischargingorMulchingGrass.................17

AdjustingtheHeightofCut...............................18

AdjustingtheAnti-ScalpRollers........................19

AfterOperation....................................................19

AfterOperationSafety......................................19

UsingtheFuel-ShutoffValve.............................19

PushingtheMachinebyHand..........................20

TransportingtheMachine.................................20

Maintenance...........................................................22

MaintenanceSafety..........................................22

RecommendedMaintenanceSchedule(s)...........22

Pre-MaintenanceProcedures..............................23

RemovingtheMowerDeckGuard....................23

Lubrication..........................................................24

GreasingtheMachine.......................................24

GreasingtheFrontCasterPivots......................24

GreasingtheCasterWheelBearings................24

EngineMaintenance...........................................25

EngineSafety...................................................25

ServicingtheAirCleaner..................................25

ServicingtheEngineOil....................................27

ServicingtheSparkPlug...................................30

FuelSystemMaintenance...................................31

DrainingtheFuelT ank......................................31

ReplacingtheFuelFilter...................................32

ElectricalSystemMaintenance...........................33

ElectricalSystemSafety..................................33

ServicingtheBattery.........................................33

ServicingtheFuses..........................................34

DriveSystemMaintenance..................................35

CheckingtheTirePressure...............................35

CheckingtheWheel-LugNuts..........................35

AdjustingtheNeutralTraction...........................35

AdjustingtheTracking......................................35

AdjustingtheCaster-PivotBearings.................36

ServicingtheCasterWheelsand

Bearings........................................................36

CoolingSystemMaintenance..............................37

CleaningtheAir-IntakeScreen.........................37

CleaningtheCoolingSystem............................37

BrakeMaintenance.............................................38

TestingtheParkingBrake.................................38

AdjustingtheParkingBrake..............................38

BeltMaintenance................................................39

InspectingtheBelts..........................................39

ReplacingtheMower-DeckBelt........................39

AdjustingtheIdlerPulleyArm...........................41

ReplacingtheTransmissionBelt.......................41

ControlsSystemMaintenance.............................43

AdjustingtheMotion-ControlLevers.................43

HydraulicSystemMaintenance...........................44

HydraulicSystemSafety...................................44

HydraulicSystemSpecications.......................44

CheckingtheHydraulicFluidLevel...................44

ChangingtheHydraulicFluidand

Filters............................................................44

BleedingtheHydraulicSystem.........................46

MowerDeckMaintenance....................................47

BladeSafety.....................................................47

ServicingtheCuttingBlades.............................47

LevelingtheMowerDeck..................................49

ReplacingtheGrassDeector..........................50

Cleaning..............................................................52

CleaningundertheMower................................52

DisposingofWaste...........................................52

Storage...................................................................53

StorageSafety..................................................53

CleaningandStoringtheMachine....................53

Troubleshooting......................................................54

Schematics.............................................................56

Safety

Thismachinehasbeendesignedinaccordancewith ANSIB71.4-2017.

GeneralSafety

Thisproductiscapableofamputatinghandsand feetandofthrowingobjects.Alwaysfollowallsafety instructionstoavoidseriouspersonalinjury.

•Read,understand,andfollowtheinstructions

andwarningsinthisOperator’sManualandon themachineandattachmentsbeforestartingthe engine.

•Donotputyourhandsorfeetnearmovingpartsof

orunderthemachine.Keepclearofanydischarge opening.

•Donotoperatethemachinewithoutallguards

andothersafetyprotectivedevicesinplaceand functioningproperlyonthemachine.

•Keepbystandersandchildrenoutoftheoperating

area.Donotallowchildrentooperatethemachine. Allowonlypeoplewhoareresponsible,trained, familiarwiththeinstructions,andphysically capabletooperatethemachine.

•Stopthemachine,shutofftheengine,remove

theignitionkey(ifequipped),andwaitforall movingpartstostopbeforeservicing,fueling,or uncloggingthemachine.

Improperlyusingormaintainingthismachinecan resultininjury.T oreducethepotentialforinjury, complywiththesesafetyinstructionsandalways payattentiontothesafety-alertsymbol meansCaution,Warning,orDanger—personalsafety instruction.Failuretocomplywiththeseinstructions mayresultinpersonalinjuryordeath.

,which

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea ofpotentialdanger.Replaceanydecalthatisdamagedormissing.

Manufacturer'sMark

1.Thismarkindicatesthatthebladeisidentiedasapart fromtheoriginalmachinemanufacturer.

decaloemmarkt

decalbatterysymbols

BatterySymbols

Someorallofthesesymbolsareonyourbattery .

1.Explosionhazard6.Keepbystandersaway

2.Nore,opename,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

93-7818

1.Warning—readtheOperator'sManualforinstructionson torquingthebladebolt/nutto1 15to149N∙m(85to1 10 ft-lb).

98-1977

1.Entanglementhazard,belt—stayawayfrommovingparts.

116-5988

decal93-7818

decal126-1400

126-1400

1.Warning—readtheOperator’sManualforinformationabout attachments;certainattachmentscancauseyoutofall.

decal98-1977

decal130-0731

130-0731

1.Warning—thrownobject hazard;keepthedeector shieldinplace.

2.Cuttinghazardofhandor foot,mowerblade—keep awayfrommovingparts.

Decal130-0765isfor122cm(48-inch),137cm (54-inch),and152cm(60-inch)modelsonly.

decal116-5988

1.Parkingbrake—engaged2.Parking brake—disengaged

Decal117-1 194isfor122cm(48-inch),137cm (54-inch),and152cm(60-inch)modelsonly.

117-1194

decal117-1 194

1.ReadtheOperator's Manual.

2.Height-of-cutselection

decal130-0765

130-0765

3.Removethekeybefore performingmaintenance.

1.Beltrouting

2.Engine

131-3536

1.Battery4.Parkingbrake

2.Time5.Engine—start

3.Powertakeoff(PTO)

6.Engagethehandlebars.

decal131-3536

1.PTO—disengage

138-8816

4.Neutral

decal138-8816

2.Fast5.Reverse

3.Slow

6.Tractioncontrols

1.Thrownobject hazard—keepbystanders awayfromthemachine.

2.Thrownobjecthazard, opendeector—only operatethemachinewith adeectororagrass collector.

133-4604

3.Severinghazardofhand

4.Entanglement

133-8062

decal133-4604

orfoot—keepawayfrom movingparts.

hazard—keepaway frommovingparts;keep allguardsandshieldsin place.

decal133-8062

1.Disengagethehydrostatic drivetopushthemachine.

1.Heightofcut

decal138-8820

138-8820

2.Engagethehydrostatic drivetooperatethe machine.

decal138-8821

138-8821

Decal139-7936isfor91cm(36-inch)modelsonly.

decal139-2874

139-2874

1.Tractioncontrols4.Neutral

2.Fast5.Reverse

3.Slow6.PTO—disengage

1.Warning—readtheOperator’sManual.

2.Warning—alloperatorsshouldbetrainedbeforeoperating themachine.

3.Warning—wearhearingprotection.

4.Fast

5.Slow12.PTO—disengage

6.Thrownobjecthazard—lowerthedeectorbeforeusingthe machine.

7.Cutting/dismembermenthazardofhandandfoot;mower blade—stayawayfrommovingparts;keepallguardsand shieldsinplace.

decal139-7936

139-7936

1.Beltrouting

decal138-8818

138-8818

8.Thrownobjecthazard—keepbystandersaway .

9.Warning—shutofftheengine,disconnectthesparkplug,and readtheOperator’sManualbeforeperformingmaintenance.

10.Warning—shutofftheenginebeforeleavingthemachine.

11.PTO—engage

13.MovethetractioncontrolleverstotheNeutralposition; engageordisengagethePTO.

ProductOverview

Figure3

1.Sidedischarge5.Controlpanel

2.Height-of-cutlever

3.Engine7.Mowerdeck

4.Fueltank8.Anti-scalproller

6.Parking-brakelever

Controls

ControlPanel

g299386

g299567

1.Parking-brakelever

2.Adjustablereferencebar

3.Leftmotion-controllever

4.Hourmeter10.Throttlecontrol

5.Referencebaradjustment lever

6.Rightmotion-controllever

Figure4

7.Rearreferencebar

8.Blade-controlswitch (PTO)

9.Keyswitch

11.Chokecontrol

ThrottleControl

Thethrottlecontrolstheenginespeed,andithasa continuous-variablesettingfromtheSLOWtoFAST position(Figure4).

Blade-ControlSwitch(Power Takeoff)

Theblade-controlswitch,representedbya power-takeoff(PTO)symbol,engagesand disengagespowertothemowerblades(Figure4).

Fuel-ShutoffValve

Closethefuel-shutoffvalvewhentransportingor storingthemachine.

KeySwitch

Thekeyswitch,usedtostartandshutofftheengine, has3positions:OFF,RUN,andST ART.

Choke

Specications

Usethechoketostartacoldengine.

HourMeter

Thehourmeterrecordsthenumberofhoursthe enginehasoperated.Itoperateswhentheengine isrunning.Usethesetimesforschedulingregular maintenance(Figure4).

Safety-InterlockIndicators

Therearesymbolsonthehourmeterthatindicate withablacktrianglethattheinterlockcomponentis positionedcorrectly(Figure5).

Battery-IndicatorLight

IfyouturnthekeyswitchtotheONpositionfora fewseconds,thebatteryvoltagedisplaysinthearea wherethehoursarenormallydisplayed(Figure5).

Thebatterylightturnsonwhenthekeyswitchis turnedonandwhenthechargeisbelowthecorrect operatinglevel(Figure5).

Specicationsanddesignaresubjecttochange withoutnotice.

Cutting width

Widthwith deector down

Widthwith deector up

Height114

Length196

44409

44410

44423

44424

44427

44430

44448

44454

91cm (36-inch) Mower Deck

91cm(36 inches)

130 cm(51 inches)

94cm(37 inches)

cm(45 inches)

cm(77 inches)

122cm (48-inch) Mower Deck

122 cm(48 inches)

160 cm(63 inches)

124 cm(49 inches)

117 cm(46 inches)

203 cm(80 inches)

Weight

265kg(585lb)

263kg(580lb)

292kg(644lb)

290kg(639lb)

294kg(648lb)

314kg(693lb)

303kg(669lb)

315kg(695lb)

137cm (54-inch) Mower Deck

137 cm(54 inches)

175 cm(69 inches)

140 cm(55 inches)

117 cm(46 inches)

203 cm(80 inches)

152cm (60-inch) Mower Deck

152 cm(60 inches)

191 cm(75 inches)

155 cm(61 inches)

117 cm(46 inches)

211 cm(83 inches)

Figure5

1.Safety-interlockindicators

2.Batterylight

3.Hourmeter

Motion-ControlLevers

Usethemotion-controlleverstodrivethemachine forward,reverse,andturneitherdirection(Figure4).

ReferenceBarAdjustmentLever

Usetheadjustmentlevertochangethepositionofthe adjustablereferencebar(Figure4).

g216020

Attachments/Accessories

AselectionofT oroapprovedattachmentsand accessoriesisavailableforusewiththemachine toenhanceandexpanditscapabilities.Contact yourAuthorizedServiceDealerorauthorizedT oro distributororgotowww.T oro.comforalistofall approvedattachmentsandaccessories.

Toensureoptimumperformanceandcontinuedsafety certicationofthemachine,useonlygenuineToro replacementpartsandaccessories.Replacement partsandaccessoriesmadebyothermanufacturers couldbedangerous,andsuchusecouldvoidthe productwarranty.

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

BeforeOperation

BeforeOperationSafety

GeneralSafety

•Donotallowchildrenoruntrainedpeopleto

operateorservicethemachine.Localregulations mayrestricttheageoftheoperator.Theowner isresponsiblefortrainingalloperatorsand mechanics.

•Becomefamiliarwiththesafeoperationofthe

equipment,operatorcontrols,andsafetysigns.

•Alwaysshutoffthemachine,removetheignition

key(ifequipped),waitforallmovingpartstostop, andallowthemachinetocoolbeforeadjusting, servicing,cleaning,orstoringit.

•Knowhowtostopthemachineandshutoffthe

enginequickly.

•Checkthatoperator-presencecontrols,safety

switches,andsafetyprotectivedevicesare attachedandfunctioningproperly.Donotoperate themachineunlesstheyarefunctioningproperly .

•Inspecttheareawhereyouwillusethemachine,

andremoveallobjectsthatcouldinterferewith theoperationofthemachineorthatthemachine couldthrow.

•Evaluatetheterraintodeterminewhataccessories

andattachmentsareneededtoproperlyand safelyperformthejob.

•Beforeusing,alwaysvisuallyinspecttoseethat

theblades,bladeboltsandmowerdeckarenot wornordamaged.Replacewornordamaged bladesandboltsinsetstopreservebalance.

•Ifyouspillfuel,donotattempttostarttheengine;

avoidcreatingasourceofignitionuntilthefuel vaporshavedissipated.

•Donotllcontainersinsideavehicleoronatruck

ortrailerbedwithaplasticliner.Alwaysplace containersontheground,awayfromthevehicle beforelling.

•Removeequipmentfromthetruckortrailerand

refuelitontheground.Ifthisisnotpossible,refuel suchequipmentwithaportablecontainerrather thanfromafuel-dispensernozzle.

•Keepthenozzleincontactwiththerimofthefuel

tankorcontaineroperatingatalltimesuntilfueling iscomplete.

AddingFuel

RecommendedFuel

•Forbestresults,useonlyclean,fresh(lessthan

30daysold),unleadedgasolinewithanoctane ratingof87orhigher((R+M)/2ratingmethod).

•Ethanol:Gasolinewithupto10%ethanol

(gasohol)or15%MTBE(methyltertiarybutyl ether)byvolumeisacceptable.Ethanoland MTBEarenotthesame.Gasolinewith15% ethanol(E15)byvolumeisnotapprovedforuse.

Neverusegasolinethatcontainsmorethan 10%ethanolbyvolume,suchasE15(contains

15%ethanol),E20(contains20%ethanol),orE85 (containsupto85%ethanol).Usingunapproved gasolinemaycauseperformanceproblemsand/or enginedamagewhichmaynotbecoveredunder warranty.

•Donotusegasolinecontainingmethanol.

•Donotstorefueleitherinthefueltankorfuel

containersoverthewinterunlessyouuseafuel stabilizer.

•Donotaddoiltogasoline.

FuelSafety

•Useextremecareinhandlingfuel.Itisammable

anditsvaporsareexplosive.

•Extinguishallcigarettes,cigars,pipes,andother

sourcesofignition.

•Useonlyanapprovedfuelcontainer.

•Donotremovethefuelcaporaddfueltothetank

whiletheengineisrunningorhot.

•Donotaddordrainfuelinanenclosedspace.

•Donotstorethemachineorfuelcontainerwhere

thereisanopename,spark,orpilotlight,such asonawaterheaterorotherappliance.

UsingStabilizer/Conditioner

Useafuelstabilizer/conditionerinthemachineto providethefollowingbenets:

•Keepsfuelfreshlongerwhenusedasdirectedby

thefuel-stabilizermanufacturer

•Cleanstheenginewhileitruns

•Eliminatesgum-likevarnishbuildupinthefuel

system,whichcauseshardstarting

Important:Donotusefueladditives

containingmethanolorethanol.

Addthecorrectamountoffuelstabilizer/conditioner tothefuel.

Note:Afuelstabilizer/conditionerismost

effectivewhenmixedwithfreshfuel.T ominimize thechanceofvarnishdepositsinthefuelsystem, usefuelstabilizeratalltimes.

FillingtheFuelTank

Figure6

g031282

Figure7

1.Thetriangleslightupwhentheinterlockcomponentsare

g302021

inthecorrectposition.

TestingtheSafety-Interlock

UsingtheSafety-Interlock System

WARNING

Ifthesafety-interlockswitchesare disconnectedordamaged,themachinecould operateunexpectedly,causingpersonal injury.

•Donottamperwiththeinterlockswitches.

•Checktheoperationoftheinterlock switchesdailyandreplaceanydamaged switchesbeforeoperatingthemachine.

Understandingthe Safety-InterlockSystem

Thesafety-interlocksystemisdesignedtoprevent PTOfromengagingunlessyoudothefollowing:

•Moveeithermotion-controllevertothecenter,

unlockedposition.

•PullthePTOswitchtotheONposition.

Thesafety-interlocksystemisdesignedtostop theblades/attachmentifyoumoveorreleaseboth motion-controlleversoutward.

Thehourmeterhassymbolstonotifytheuser wheneachinterlockcomponentisinthecorrect position.Whenthecomponentisinthecorrect position,atrianglelightsupinthecorresponding square(Figure7).

System

ServiceInterval:Beforeeachuseordaily

Testthesafety-interlocksystembeforeyouusethe machineeachtime.

Note:Ifthesafetysystemdoesnotoperateas

describedbelow,haveanAuthorizedServiceDealer repairthesafetysystemimmediately.

1.Engagetheparkingbrakeandstarttheengine.

2.Movethemotion-controlleverstothecenter, unlockedposition.

Note:Theengineshouldshutoff.

3.Starttheengineanddisengagetheparking brake.Donotmovethemotion-controllevers.

Note:Theengineshouldidle5secondsand

thenshutoff.

4.Engagetheparkingbrakeandstarttheengine.

5.PresstheONpositionforthePTOswitch.

Note:Themowerbladesshouldnotengage.

6.Disengagetheparkingbrake.

7.Holdeithermotion-controlleverinthecenter positionandpresstheONpositionforthePTO switch.

Note:Themowerbladesshouldengage.

8.Releasethemotion-controllever.

Note:Theengineshouldidle5secondsand

thenshutoff.

9.Engagetheparkingbrakeandstarttheengine.

10.Disengagetheparkingbrake.

11.Holdeithermotion-controllevertothecenter positionandpresstheONpositionforthePTO switch.

Note:Themowerbladesshouldengage.

12.PresstheOFFpositionforthePTOswitch.

Note:Themowerbladesshoulddisengage.

13.PresstheONpositionforthePTOswitch.

Note:Themowerbladesshouldengage.

14.Engagetheparkingbrake.

Note:Themowerbladesshoulddisengageand

theengineshouldshutoff.

15.PresstheONpositionforthePTOswitch.

16.Trystartingtheengine.

Note:Theengineshouldnotcrank.

PerformingDaily Maintenance

Beforestartingthemachineeachday ,performthe EachUse/DailyprocedureslistedinMaintenance

(page22).

DuringOperation

DuringOperationSafety

GeneralSafety

•Theowner/operatorcanpreventandisresponsible

foraccidentsthatmaycausepersonalinjuryor propertydamage.

•Wearappropriateclothing,includingeye

protection;longpants;substantial,slip-resistant footwear;andhearingprotection.Tiebacklong hairanddonotwearlooseclothingorloose jewelry.

•Useyourfullattentionwhileoperatingthe

machine.Donotengageinanyactivitythat causesdistractions;otherwise,injuryorproperty damagemayoccur.

•Donotoperatethemachinewhileill,tired,or

undertheinuenceofalcoholordrugs.

•Beforeyoustarttheengine,ensurethatalldrives

areinneutral,theparkingbrakeisengaged,and youareintheoperatingposition.

•Keepbystandersoutoftheoperatingarea.Stop

themachineifanyoneentersthearea.

•Operatethemachineonlyingoodvisibilityand

appropriateweatherconditions.Donotoperate themachinewhenthereistheriskoflightning.

•Wetgrassorleavescancauseseriousinjuryif

youslipandcontacttheblade.Avoidmowingin wetconditions.

•Keepyourhandsandfeetawayfromthecutting

unit.

•Lookbehindanddownbeforebackinguptobe

sureofaclearpath.

•Useextremecarewhenapproachingblind

corners,shrubs,trees,orotherobjectsthatmay blockyourview.

•Disengagethedrivetothecuttingunitandengage

theparkingbrakebeforeadjustingtheheightof cut.

•Operatetheengineonlyinwell-ventilatedareas.

Exhaustgasescontaincarbonmonoxide,which islethalifinhaled.

•Donotleavearunningmachineunattended.

•Beforeleavingtheoperatingposition(includingto

emptythecatchersortounclogthecuttingunits), dothefollowing:

–Parkthemachineonlevelground.

–Disengagethecuttingunitandlowerthe

attachments.

–Engagetheparkingbrake.

–Shutoffthemachineandremovetheignition

key(ifequipped).

–Waitforallmovingpartstostop.

–Shutoffthemachineanddisengagethedrive

tothecuttingunitinthefollowingsituations:

◊Beforefueling

◊Beforeclearingblockages

◊Beforechecking,cleaning,ormaintaining

thecuttingunit

◊Afterstrikingaforeignobjectorifan

abnormalvibrationoccurs.Inspectthe cuttingunitfordamageandmakerepairs beforestartingandoperatingthemachine

◊Beforeleavingtheoperatingposition

–Useonlyaccessoriesandattachments

approvedbyTheToro®Company .

–Besureofyourfootingwhileusingthis

machine,especiallywhenbackingup.Walk; donotrun.

–Neveroperatewiththedischargedeector

raised,removedoraltered,unlessyouare usingagrasscatcher.

–Nevercarrypassengersonthemachine.

–Donotdirectthedischargematerialtoward

anyone.Avoiddischargingmaterialagainst awallorobstruction;materialmayricochet towardyou.Stoptheblade(s)whencrossing gravelsurfaces.

–Starttheenginecarefullyaccordingto

instructionsandwithyourfeetwellawayfrom

theblade(s)andnotinfrontofthedischarge chute.

–Useextremecautionwhenreversingorpulling

themachinetowardyou.

–Stopthebladeifyoumusttransportthe

machinetoandfromthemowingareaand whencrossingsurfacesotherthangrass.

OperatingtheParking Brake

Alwaysengagetheparkingbrakewhenyoushut offthemachineorleavetheoperatorposition. Beforeeachuse,checktheparkingbrakeforproper operation.

SlopeSafety

•Slopesareamajorfactorrelatedtolossofcontrol

androlloveraccidents,whichcanresultinsevere injuryordeath.Youareresponsibleforsafeslope operation.Operatingthemachineonanyslope requiresextracaution.Beforeusingthemachine onaslope,dothefollowing:

–Reviewandunderstandtheslopeinstructions

inthemanualandonthemachine.

–Evaluatethesiteconditionsofthedayto

determineiftheslopeissafeformachine operation.Usecommonsenseandgood judgmentwhenperformingthisevaluation. Changesintheterrain,suchasmoisture,can quicklyaffecttheoperationofthemachineon aslope.

•Operateacrossslopes,neverupanddown.Avoid

operationonexcessivelysteeporwetslopes. Poorfootingcouldcauseaslip-and-fallaccident.

•Identifyhazardsatthebaseoftheslope.Do

notoperatethemachineneardrop-offs,ditches, embankments,water,orotherhazards.The machinecouldsuddenlyrolloverifawheelgoes overtheedgeortheedgecollapses.Keepasafe distancebetweenthemachineandanyhazard. Useahandheldtooltooperateintheseareas.

•Avoidstarting,stopping,orturningthemachineon

slopes.Avoidmakingsuddenchangesinspeedor direction;turnslowlyandgradually.

•Donotoperateamachineunderanyconditions

wheretraction,steeringorstabilityisinquestion. Beawarethatoperatingthemachineonwet grass,acrossslopesordownhillmaycausethe machinetolosetraction.Lossoftractiontothe drivewheelsmayresultinslidingandalossof brakingandsteering.Themachinecanslideeven ifthedrivewheelsarestopped.

•Removeormarkobstaclessuchasditches,holes,

ruts,bumps,rocks,orotherhiddenhazards.T all grasscanhideobstacles.Uneventerraincould overturnthemachine.

•Ifyoulosecontrolofthemachine,stepawayfrom

thedirectionoftravelofthemachine.

•Alwayskeepthemachineingearwhengoing

downslopes.Donotcoastdownhill(applicable onlytogear-driveunits).

Pulltheparking-brakeleverrearwardtoengageit (Figure8).

Pushtheparking-brakeleverforwardtodisengageit.

Note:Theengineshutsoffifyoumovethe

motion-controlleverswhiletheparkingbrakeis engagedorifthemachineidlesfor5secondswhile theparkingbrakeisdisengaged.

g009465

Figure8

1.Parkingbrake—engaged2.Parking brake—disengaged

StartingtheEngine

Note:Ifyoureleasethemotion-controlleversanddonotengagetheparkingbrake,theenginewillshutoff

after5seconds.

ShuttingOfftheEngine

g292627

Figure9

g289750

Figure10

Operatingthe Mower-Blade-Control Switch(PTO)

Usetheblade-controlswitch(PTO)inconjunctionwith themotion-controlleverstoengageanddisengage themowerblades.

EngagingtheMowerBlades(PTO)

DisengagingtheMowerBlades (PTO)

Figure12andFigure13show2waystodisengage

themowerblades.

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Figure12

Figure11

g031593

Figure13

g299433

DrivingtheMachine

Thethrottlecontrolregulatestheenginespeedas measuredinrpm(revolutionsperminute).Place thethrottlecontrolintheFASTpositionforbest performance.

Note:Theengineshutsoffifyoumovethe

motion-controlleverswhiletheparkingbrakeis engagedorifthemachineidlesfor5secondswhile theparkingbrakeisdisengaged.

CAUTION

Themachinecanspinveryrapidly,andyou maylosecontrolofthemachine,causing personalinjurytoyouanddamagetothe machine.

Slowdownthemachinebeforemakingsharp turns.

DrivingForward

1.Disengagetheparkingbrake;refertoOperating

theParkingBrake(page13).

Note:Thefartheryoumovethemotion-control

leversineitherdirection,thefasterthemachine movesinthatdirection.

Note:T ostop,movethemotion-controllevers

backtotheNEUTRALposition.

2.Movethemotion-controlleversdowntothe NEUTRALposition.

Figure14

1.Frontreferencebar

2.Leftcontrolleverin

NEUTRALposition

3.Rearreferencebar6.Leftcontrolleverwhen

4.Rightcontrolleverin NEUTRALposition

5.Rightcontrolleverwhen released

released

3.Slowlypushthemotion-controlleversforward (Figure15).

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Figure15

DrivingBackward

1.Movebothmotion-controlleverstotheNEUTRAL position.

2.Slowlypullthemotion-controlleversrearward (Figure16).

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g303735

Figure16

UsingtheAdjustable ReferenceBar

Usetheadjustmentlevertochangethepositionof theadjustablereferencebarandlimitthemaximum forwardspeed(Figure17).

Movethelevertotheupperpositiontodecreasethe maximumspeed;movethelevertothelowerposition toincreasethemaximumspeed.

Figure17

SideDischargingor

g299434

MulchingGrass

Thismowerhasahingedgrassdeectorthat dispersesclippingstothesideanddowntowardthe turf.

DANGER

Withoutthegrassdeector,dischargecover, orcompletegrasscatcherassemblymounted inplace,youandbystandersareexposedto bladecontactandthrowndebris.Contactwith rotatingmowerblade(s)andthrowndebris cancauseseriousinjuryordeath.

•Neverremovethegrassdeectorfromthe mowerdeck,becausethegrassdeector routesmaterialdowntowardtheturf.If thegrassdeectorisdamaged,replaceit immediately.

•Neverputyourhandsorfeetunderthe mowerdeck.

•Nevertrytoclearthedischargeareaor mowerbladesbeforeyoudisengagethe mowerblades.Turntheignitionkeyto theOFFposition.Removethekeyand disconnectthespark-plugwires.

AdjustingtheHeightofCut

Youcanadjusttheheightofcutfrom38to114mm(1-1/2to4-1/2inches)in6mm(1/4inch)increments.

Figure18

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+ 42 hidden pages

Toro 44427 Operator's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual