Toro 21462 Manuale utente

FormNo.3445-579RevA

22InchAWD/RWDSteelDeck

WalkPowerMowerService

Manual

Published:March2022

RevisionHistory

RevisionHistoryPage222InchAWD/RWDSteelDeckWalkPower

MowerServiceManual

3445-579RevA

Preface

ThisservicemanualwaswrittenexpresslyforT oroservicetechnicians.TheToroCompanyhasmade

everyefforttomaketheinformationinthismanualcompleteandcorrect.

Basicshopsafetyknowledgeandmechanical/electricalskillsareassumed.TheT ableofContentslists

thesystemsandtherelatedtopicscoveredinthismanual.

Wearehopefulthatyouwillndthismanualavaluableadditiontoyourserviceshop.Ifyouhaveany

questionsorcommentsregardingthismanual,pleasecontactusatthefollowingaddress:

TheToroCompany

RLC/SWSCustomerCareDepartment

8111LyndaleAvenueSouth

Bloomington,MN55420

TheT oroCompanyreservestherighttochangeproductspecicationsormakechangestothismanual

withoutnotice.

22InchAWD/RWDSteelDeckWalkPower

MowerServiceManual

Page3Preface

3445-579RevA

ServiceProcedureIcons

ThefollowingiconsappearthroughoutthisServiceManualtobringattentionto

specicimportantdetailsofaserviceprocedure.

CriticalProcess

Thisiconisusedtohighlight:

•Installingsafetyequipment(shields,guards,seatbelts,brakes,andR.O.P .S.

components)thatmayhavebeenremoved

•Dimensionsorsettingsthatmustbemaintainedforpropermachineoperation

•Aspecicfastenertighteningsequence

•Componentorientationthatmaynotbeobvious

CriticalTorque

Thisiconisusedtohighlightanassemblytorquerequirementthatisdifferent

thanwhatisrecommendedintheStandardTorqueT ables.

FluidSpecications

Thisiconisusedtohighlightuidspecicationsandcapacitiesthatareless

common,andmaynotappearonthemachineservicedecalorinthemachine

Operator’sManual.

Note:RefertotheservicedecalonthemachineandthemachineOperator’s

Manualforcommonlyuseduidspecicationsandcapacities.

PrefacePage422InchAWD/RWDSteelDeckWalkPower

MowerServiceManual

3445-579RevA

TableofContents

Preface................................................................................................................3

Chapter1:Safety............................................................................................1–1

SafetyInstructions.......................................................................................1–2

Chapter2:SpecicationsandMaintenance....................................................2–1

Specications...............................................................................................2–2

TorqueSpecications...................................................................................2–3

Chapter3:Troubleshooting.............................................................................3–1

GeneralTroubleshooting..............................................................................3–3

Chapter4:PowerSource................................................................................4–1

GeneralInformation.....................................................................................4–2

ServiceandRepairs.....................................................................................4–3

Chapter5:Controls.........................................................................................5–1

GeneralInformation.....................................................................................5–2

ServiceandRepairs.....................................................................................5–3

Chapter6:Deck..............................................................................................6–1

GeneralInformation.....................................................................................6–2

ServiceandRepairs.....................................................................................6–3

Chapter7:DriveSystem.................................................................................7–1

GeneralInformation.....................................................................................7–2

ServiceandRepairs.....................................................................................7–3

Chapter8:Electrical........................................................................................8–1

GeneralInformation.....................................................................................8–2

ServiceandRepairs.....................................................................................8–3

AppendixA......................................................................................................A–1

ElectricalDrawingAbbreviations...................................................................A–2

ElectricalSchematic—ElectricStart............................................................A–3

ElectricalSchematic—60vPowerheadWireHarness..................................A–4

22InchAWD/RWDSteelDeckWalkPower

MowerServiceManual

Page5Preface

3445-579RevA

PrefacePage622InchAWD/RWDSteelDeckWalkPower

MowerServiceManual

3445-579RevA

Chapter1

Safety

TableofContents

SafetyInstructions................................................................................................................................1–2

ThinkSafetyFirst...............................................................................................................................1–2

22InchAWD/RWDSteelDeckWalkPowerMowerService

Manual

Page1–1Safety

3445-579RevA

SafetyInstructions

DANGER

Thissafetysymbolmeansdanger.Whenyouseethissymbol,

carefullyreadtheinstructionsthatfollow.Failuretoobeythe

instructionscouldcauseseriouspermanentinjury,disability,or

death.

WARNING

Thissafetysymbolmeanswarning.Whenyouseethissymbol,

carefullyreadtheinstructionsthatfollow.Failuretoobeythe

instructionscanresultinseriousinjury.

CAUTION

Thissafetysymbolmeanscaution.Whenyouseethissymbol,

carefullyreadtheinstructionsthatfollow.Failuretoobeythe

instructionscanresultinminortomoderateinjuryand/ordamage

topropertyorequipment.

ThinkSafetyFirst

Avoidunexpectedstartingofengine…

Alwaysturnofftheengine,removetheignitionkeyanddisconnectthesparkplug

wire(s)beforecleaning,adjusting,orrepair.

Avoidlacerationsandamputations…

Stayclearofallmovingpartswhenevertheengineisrunning.Treatallnormally

movingpartsasiftheyweremovingwhenevertheengineisrunningorhas

thepotentialtostart.

Avoidburns…

Donottouchtheengine,mufer,orothercomponents,whichmaybehotduring

operation,whiletheunitisrunningorshortlyafterithasbeenrunning.

Avoidresandexplosions…

Useextremecareinhandlingfuel.Itisammableanditsvaporsareexplosive.

Extinguishallcigarettes,cigars,pipes,andothersourcesofignition.Avoid

spillingfuelandneversmokewhileworkingwithanytypeoffuelorlubricant.

Wipeupanyspilledfueloroilimmediately.Neverremovethefuelcaporadd

fuelwhentheengineisrunning.Alwaysuseapproved,labeledcontainersfor

storingortransportingfuelandlubricants.Donotaddordrainfuelinanenclosed

space.Donotstorethemachineorfuelcontainerwherethereisanopename,

spark,orpilotlight,suchasonawaterheaterorotherappliance.

Avoidasphyxiation…

Donotoperateanengineinaconnedareawithoutproperventilation.

Avoidinjuryfrombatteries…

Safety:SafetyInstructionsPage1–222InchAWD/RWDSteelDeckWalkPower

MowerServiceManual

3445-579RevA

ThinkSafetyFirst(continued)

Batteryacidispoisonousandcancauseburns.Avoidcontactwithskin,eyes

andclothing.Batterygasescanexplode.Keepcigarettes,sparksandames

awayfromthebattery.

Avoidinjuryduetoinferiorparts…

Useonlyoriginalequipmentpartstoensurethatimportantsafetycriteriaaremet.

Avoidinjurytobystanders…

Alwayscleartheareaofbystandersbeforestartingortestingpowered

equipment.

Avoidinjuryduetoprojectiles…

Alwayscleartheareaofsticks,rocksoranyotherdebristhatcouldbepickedup

andthrownbythepoweredequipment.

Avoidmodications…

Neveralterormodifyanypartunlessitisafactoryapprovedprocedure.

Avoidunsafeoperation…

Alwaystestthesafetyinterlocksystemaftermakingadjustmentsorrepairson

themachine.RefertotheElectricalsectioninthismanualformoreinformation.

Avoidelectricalshock…

Nevertouchelectricalwiresorcomponentswhiletheengineisrunning.They

canbesourcesofshock.De-energizethesystemifyouarehavingtodorepairs.

Iftestingelectricalcomponentsensureyouareworkinginadryenvironment.

HydraulicSystem...

Releaseallpressureinthehydraulicsystembeforeperforminganyworkon

thesystem.Keepyourbodyandhandsawayfrompin-holeleaksornozzles

thatejecthydraulicuidunderhighpressure.Donotuseyourhandstosearch

forleaks.Hydraulicuidescapingunderpressurecanhavesufcientforce

topenetratetheskinandcauseinjury.Seekmedicalattentionrightawayif

hydraulicuidgetsintheskin.

PersonalProtectiveEquipment…

Tiebacklonghair,anddonotwearlooseclothingorjewelry.Useappropriate

personalprotectiveequipment(PPE)forprotectingyourselffrompotential

hazardsintheenvironmentinwhichyouwillwork.Eachprocessoutlinedinthis

manualmayneeddifferentPPEtoprotecttheserviceperson.Usetheproper

PPEforthetaskathand.

Tools…

Alltoolsshouldbeinproperworkingorder.Donotusetoolsthatarebrokenorin

disrepair.Usethepropertoolfortheproperapplication.

Lifts,Hoists,andJacks…

Alllifts,hoists,andjacksshouldbeusedinaccordancewiththemanufacturer

information.Inspectlifts,hoists,andjackspriortouse.Donotoverloadlifts,

hoists,andjacks.Donotworkunderasuspendedload.Ensurechockblocks

areusedonequipmentthatcanmove.Useliftsorjacksandjackstandsthat

areratedtosupportthetotalweightofthemachineandanyattachments.Do

notrelyonjackstosupportthemachine.Ifyouareunsureoftheoperationof

anylifts,hoists,andjacksdonotuse.

FireExtinguishers…

22InchAWD/RWDSteelDeckWalkPowerMowerService

Manual

Page1–3Safety:SafetyInstructions

3445-579RevA

ThinkSafetyFirst(continued)

Theproperclassofreextinguishershouldbeusedincaseofre.

ClassAextinguishersareforordinarycombustiblematerialssuchaspaper,

wood,cardboard,andmostplastics.Thenumericalratingonthesetypesof

extinguishersindicatestheamountofwateritholdsandtheamountofreitcan

extinguish.Geometricsymbol(greentriangle).

ClassBresinvolveammableorcombustibleliquidssuchasgasoline,

kerosene,greaseandoil.ThenumericalratingforclassBextinguishers

indicatestheapproximatenumberofsquarefeetofreitcanextinguish.

Geometricsymbol(redsquare).

ClassCresinvolveelectricalequipment,suchasappliances,wiring,circuit

breakersandoutlets.NeverusewatertoextinguishclassCres-theriskof

electricalshockisfartoogreat!ClassCextinguishersdonothaveanumerical

rating.TheCclassicationmeanstheextinguishingagentisnon-conductive.

Geometricsymbol(bluecircle).

ABCreextinguishersareadrychemicaltypeusedformultiplepurposes.See

aboveinformationfordescription.Ensurereextinguishersareserviceableand

replaceanythataredischargedoroutofinspectiondates

Safety:SafetyInstructionsPage1–422InchAWD/RWDSteelDeckWalkPower

MowerServiceManual

3445-579RevA

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