Toro Pro Force 44552TE User manual

FormNo.18237SLRevA
ProForce®DebrisBlower
Models44552,44552TE,44553&44554
©2019—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
OriginalInstructions(EN)
Contactusatwww.Toro.com.
AllRightsReserved

RevisionHistory
RevisionDateDescription
A01/2019InitialIssue
RevisionHistoryPage2ProForce®DebrisBlower
18237SLRevA

ReaderComments
TheT oroCompanyTechnicalAssistanceCentermaintainsacontinuouseffort
toimprovethequalityandusefulnessofitspublications.Todothiseffectively,
weencourageuserfeedback.Pleasecommentonthecompleteness,accuracy,
organization,usability,andreadabilityofthismanual.
bye-mail:
[email protected]
bymail:
TechnicalPublicationManager,Commercial
TheToroCompany
8111LyndaleAvenueSouth
Bloomington,MN55420-1196
Phone:[phone]
ProForce®DebrisBlowerPage3ReaderComments
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ReaderCommentsPage4ProForce®DebrisBlower
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Preface
Thisservicemanualwaswrittenexpresslyforservicetechnicians.Basicshop
safetyknowledgeandmechanical/electricalskillsareassumed.TheT oro
Companyhasmadeeveryefforttomaketheinformationinthismanualcomplete
andcorrect.
Thepurposeofthispublicationistoprovidetheservicetechnicianwith
informationabouttroubleshooting,testing,andrepairingmajorsystemsand
components.Thismanualmayalsobespeciedforuseonnumerousproducts.
RefertotheT ableofContentsforalistofthesystemsandtherelatedtopics
coveredinthismanual.
RefertothemachineOperator’sManualforadditionalinformationabout
operating,maintaining,andadjustingthemachine.KeepacopyoftheOperator’s
Manuals,InstallationInstructions,andPartsCatalogforyourmachineandits
accessorieswiththisServiceManualforreference.Additionalcopiesofthe
Operator’sManuals,InstallationInstructionsandPartsCatalogsareavailable
atwww.toro.com.
TheToroCompanyreservestherighttochangetheproductspecicationsor
thispublicationwithoutnotice.
ProForce®DebrisBlowerPage5Preface
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ServiceProcedureIcons
ThefollowingiconsappearthroughoutthisServiceManualtobringattentionto
specicimportantdetailsofaserviceprocedure.
CriticalProcess
Thisiconisusedtohighlight:
•installingsafetyequipment(shields,guards,seatbelts,brakesandR.O.P .S.
components)thatmayhavebeenremoved
•dimensionsorsettingsthatmustbemaintainedforpropermachineoperation
•aspecicfastenertighteningsequence
•componentorientationthatmaynotbeobvious
CriticalTorque
Thisiconisusedtohighlightanassemblytorquerequirementthatisdifferentthan
whatisrecommendedintheStandardT orqueT ables;refertoStandardTorque
forDry,ZincPlated,andSteelFasteners(InchSeries)(page2–7)orStandard
TorqueforDry,ZincPlated,andSteelFasteners(MetricFasteners)(page2–8).
FluidSpecications
Thisiconisusedtohighlightuidspecicationsandcapacitiesthatareless
common,andmaynotappearonthemachineservicedecalorinthemachine
Operator’sManual.
Note:RefertotheservicedecalonthemachineandthemachineOperator’s
Manualforcommonlyuseduidspecicationsandcapacities.
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TableofContents
Preface................................................................................................................5
Chapter1:Safety............................................................................................1–1
SafetyInstructions.......................................................................................1–2
JackingInstructions.....................................................................................1–6
SafetyandInstructionalDecals....................................................................1–6
Chapter2:SpecicationsandMaintenance....................................................2–1
Specications...............................................................................................2–2
TorqueSpecications...................................................................................2–4
ShopSupplies............................................................................................2–10
SpecialT ools..............................................................................................2–12
Chapter3:Troubleshooting.............................................................................3–1
GEARS–TheSystematicApproachtoDening,DiagnosingandSolving
Problems......................................................................................................3–2
UsingtheOnboardDiagnosticLamp.............................................................3–3
StartingProblems.........................................................................................3–6
GeneralOperationProblems........................................................................3–8
Chapter4:Engine...........................................................................................4–1
GeneralInformation.....................................................................................4–2
Adjustments.................................................................................................4–4
ServiceandRepairs.....................................................................................4–6
Chapter5:ElectricalSystem...........................................................................5–1
GeneralInformation.....................................................................................5–2
ElectricalSystemQuickChecks....................................................................5–6
TestingtheElectricalComponents................................................................5–8
ServiceandRepairs...................................................................................5–31
Chapter6:BlowerAssembly...........................................................................6–1
GeneralInformation.....................................................................................6–2
ServiceandRepairs.....................................................................................6–3
Chapter7:Chassis..........................................................................................7–1
GeneralInformation.....................................................................................7–2
ServiceandRepairs.....................................................................................7–3
AppendixA......................................................................................................A–1
ElectricalDrawingDesignations....................................................................A–2
ElectricalSchematic(Models44552,44552TE,and44553).........................A–3
ElectricalSchematic(ModelNo.44554).......................................................A–4
EngineElectricalDiagram.............................................................................A–5
WireHarnessDrawing-Main.........................................................................A–6
WireHarnessDiagram-Main.........................................................................A–7
WireHarness-Trailer(ModelNo.44553)......................................................A–8
WireHarness-TetheredControlBox(ModelNo.44554)...............................A–9
WireHarness-T etherAdapter(ModelNo.44554).......................................A–10
AdditionalReferenceMaterials
KOHLER Command Pro CH740 Service Manual
ProForce®DebrisBlowerPage7Preface
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PrefacePage8ProForce®DebrisBlower
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Chapter1
Safety
TableofContents
SafetyInstructions................................................................................................................................1–2
ThinkSafetyFirst...............................................................................................................................1–3
JackingInstructions..............................................................................................................................1–6
SafetyandInstructionalDecals............................................................................................................1–6
ProForce®DebrisBlowerPage1–1Safety
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SafetyInstructions
DANGER
Thissafetysymbolmeansdanger.Whenyouseethissymbol,
carefullyreadtheinstructionsthatfollow.Failuretoobeythe
instructionscouldkillorcauseseriouspermanentinjuryordisability.
WARNING
Thissafetysymbolmeanswarning.Whenyouseethissymbol,
carefullyreadtheinstructionsthatfollow.Failuretoobeythe
instructionscanresultinseriousinjury.
CAUTION
Thissafetysymbolmeanscaution.Whenyouseethissymbol,
carefullyreadtheinstructionsthatfollow.Failuretoobeythe
instructionscanresultinminortomoderateinjury.
IMPORTANT
TheImportantnoticewillgivetheimportantinstructionswhichyou
mustfollowtopreventdamagetothesystemsorcomponentson
themachine.
Note:ANotewillgivethegeneralinformationaboutthecorrectoperation,
maintenance,service,testing,orrepairofthemachine.
Safety:SafetyInstructionsPage1–2ProForce®DebrisBlower
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ThinkSafetyFirst
ToroProductsaretestedandcertiedforcompliancewithexistingsafety
standardsandspecications.Althoughhazardcontrolandaccidentprevention
arepartiallydependentuponthedesignandcongurationofthemachine,
hazardcontrolandaccidentpreventionarealsodependentupontheawareness,
concernandpropertrainingofthepersonnelinvolvedintheoperation,transport,
maintenance,andstorageofthemachine.Improperuseormaintenanceofthe
machinecanresultininjuryordeath.
WARNING
Toreducethepotentialofinjuryordeath,complywiththesafety
instructionsinthismanual,aswellasinformationfoundinthe
Operator’sManualsandtheOperatorandSafetyTrainingVideos
foundonwww.toro.com.
•Avoidunexpectedstartingoftheengine…
Alwaysturnofftheengine,removetheignitionkeyanddisconnectthe
sparkplugwire(s)beforecleaning,adjusting,orrepair.
•Avoidlacerationsandamputations…
Stayclearofallmovingpartswhenevertheengineisrunning.Treatall
normallymovingpartsasiftheyweremovingwhenevertheengineis
runningorhasthepotentialtostart.
•Avoidburns…
Donottouchtheengine,mufer,orothercomponents,whichmaybehot
duringoperation,whiletheunitisrunningorshortlyafterithasbeen
running.
•Avoidresandexplosions…
Useextremecareinhandlingfuel.Fuelisammableanditsvaporsare
explosive.
–Extinguishallcigarettes,cigars,pipes,andothersourcesofignition.
–Avoidspillingfuelandneversmokewhileworkingwithanytypeoffuel
orlubricant.
–Wipeupanyspilledfueloroilimmediately.
–Neverremovethefuelcaporaddfuelwhentheengineisrunning.
–Alwaysuseapproved,labeledcontainersforstoringortransportingfuel
andlubricants.
–Donotaddordrainfuelinanenclosedspace.
–Donotstorethemachineorfuelcontainerwherethereisanopename,
spark,orpilotlight,suchasonawaterheaterorotherappliance.
•Avoidasphyxiation…
Donotoperateanengineinaconnedareawithoutproperventilation.
•Avoidinjuryfrombatteries…
–Batteryacidispoisonousandcancauseburns.Avoidcontactwithskin,
eyesandclothing.
–Batterygasescanexplode.Keepcigarettes,sparksandamesaway
fromthebattery.
•Avoidinjuryduetoinferiorparts…
Useonlyoriginalequipmentpartstoensurethatimportantsafetycriteria
aremet.
ProForce®DebrisBlowerPage1–3Safety:SafetyInstructions
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ThinkSafetyFirst(continued)
•Avoidinjurytobystanders…
Alwayscleartheareaofbystandersbeforestartingortestingpowered
equipment.
•Avoidinjuryduetoprojectiles…
Alwayscleartheareaofsticks,rocksoranyotherdebristhatcouldbe
pickedupandthrownbythepoweredequipment.
•Avoidmodications…
Neveralterormodifyanypartunlessitisafactoryapprovedprocedure.
•Avoidunsafeoperation…
Alwaystestthesafetyinterlocksystemaftermakingadjustmentsor
repairsonthemachine.RefertotheElectricalsectioninthismanual
formoreinformation.
•Avoidelectricalshock…
–Nevertouchelectricalwiresorcomponentswhiletheengineisrunning.
Theycanbesourcesofshock.
–De-energizethesystemifyouarehavingtodorepairs.
–Iftestingelectricalcomponentsensureyouareworkinginadry
environment.
•HydraulicSystemprecautions...
–Releaseallpressureinthehydraulicsystembeforeperforminganywork
onthesystem.
–Keepyourbodyandhandsawayfrompin-holeleaksornozzlesthateject
hydraulicuidunderhighpressure.Donotuseyourhandstosearchfor
leaks.Hydraulicuidescapingunderpressurecanhavesufcientforce
topenetratetheskinandcauseseriousinjury.
–Seekmedicalattentionrightawayifhydraulicuidgetsintheskin.
•Usepersonalprotectiveequipment…
–Useappropriatepersonalprotectiveequipment(PPE)forprotecting
yourselffrompotentialhazardsintheenvironmentinwhichyouwillwork.
–EachprocessoutlinedinthismanualmayneeddifferentPPEtoprotect
theserviceperson.UsetheproperPPEforthetaskathand.
•Usingtools…
–Alltoolsshouldbeinproperworkingorder.Donotusetoolsthatare
brokenorindisrepair.
–Usethepropertoolfortheproperapplication.
•Usinglifts,hoists,andjacks…
–Alllifts,hoists,andjacksshouldbeusedinaccordancewiththe
manufacturerinformation.
–Inspectlifts,hoists,andjackspriortouse.
–Donotoverloadlifts,hoists,andjacks.
–Donotworkunderasuspendedload.
–Ensurechockblocksareusedonequipmentthatcanmove.
–Useliftsorjacksandjackstandsthatareratedtosupportthetotalweight
ofthemachineandanyattachments.
–Donotrelyonjackstosupportthemachine.
–Ifyouareunfamiliarwithanylifts,hoistsorjacks,donotusethemuntil
youknowhowtooperatethemcorrectly.
•Usingreextinguishers…
Safety:SafetyInstructionsPage1–4ProForce®DebrisBlower
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ThinkSafetyFirst(continued)
Usetheproperclassofreextinguisherincaseofre.
Ensurereextinguishersareservicedregularly,andreplaceanyre
extinguishersthataredischargedorinusebeyondtheirexpirationdates.
–ClassAreextinguishersareforordinarycombustiblematerialssuch
aspaper,wood,cardboard,andmostplastics.Thenumericalratingon
thesetypesofextinguishersindicatestheamountofwateritholdsand
theamountofreitcanextinguish.Geometricsymbol(greentriangle).
–ClassBreextinguishersareforresthatinvolveammableor
combustibleliquidssuchasgasoline,kerosene,greaseandoil.The
numericalratingforclassBextinguishersindicatestheapproximate
numberofsquarefeetofreitcanextinguish.Geometricsymbol(red
square).
–ClassCreextinguishersareforresthatinvolveelectricalequipment
suchasappliances,wiring,circuitbreakersandoutlets.Neverusewater
toextinguishclassCres-theriskofelectricalshockisfartoogreat!
ClassCextinguishersdonothaveanumericalrating.TheCclassication
meanstheextinguishingagentisnon-conductive.Geometricsymbol
(bluecircle).
–ClassABCreextinguishersareadrychemicaltypeusedformultiple
purposes.Seeabovedescriptionsforadditionalinformation.
ProForce®DebrisBlowerPage1–5Safety:SafetyInstructions
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JackingInstructions
CAUTION
Failingtoproperlysupportthemachinewithappropriatejackstands
cancausethemachinetomoveorfallandcanresultinpersonal
injury.
Whenchangingtheattachments,tires,orperformingotherservices,
dothefollowingsteps:
•Usecorrectblocks,hoists,andjackstoraiseandsupportthe
machine.
•Parkthemachineonasolidlevelsurface,suchasaconcrete
oor.
•Beforeyouliftthemachine,removealltheattachmentsthatmay
interferewiththesafeandcorrectliftofthemachine.
•Alwaysblockthewheelswithchocks.
•Useappropriatejackstandstosupporttheraisedmachine.
•Donotusetheaxleasajackingpoint.
1.Positionthemachineonalevelsurface.Ensurethattheblowerengineis
shutoffandremovethekeyfromthekeyswitch.Blocktheblowerwheels
withchockstopreventthemachinefrommoving,orleavetheblower
attachedtoatowvehicleifpossible.Engagethetowvehicleparkingbrake,
shutoffthetowvehicleengine,andremovethekeyfromthetowvehicle
keyswitchifapplicable.
g233699
Figure1
1.Wheel2.Framejackingpoint
2.Positionthejacksecurelyunderthemainframeoftheblower.Donotuse
theaxleasajackingpoint.
3.Carefullyraisethemachineofftheground.
4.Positionjackstandsunderthemainframetosupportthemachine.
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocated
nearanyareaofpotentialdanger.Ifanydecalbecomesillegibleordamaged,
installanewdecal.DecalpartnumbersarelistedinyourPartsCatalog,
Operator’sManual,andaccessoryInstallationInstructions.Orderreplacement
decalsfromAuthorizedToroDistributor.
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Chapter2
SpecicationsandMaintenance
TableofContents
Specications.......................................................................................................................................2–2
OverallDimensions............................................................................................................................2–2
Engine................................................................................................................................................2–3
Chassis..............................................................................................................................................2–3
TorqueSpecications...........................................................................................................................2–4
CalculatingtheT orqueValuesWhenUsingaDrive-AdapterWrench.................................................2–5
IdentifyingtheFastener......................................................................................................................2–6
StandardT orqueforDry,ZincPlated,andSteelFasteners(InchSeries)............................................2–7
StandardT orqueforDry,ZincPlated,andSteelFasteners(MetricFasteners)...................................2–8
OtherTorqueSpecications...............................................................................................................2–9
ConversionFactors............................................................................................................................2–9
ShopSupplies....................................................................................................................................2–10
SpecialTools......................................................................................................................................2–12
ProForce®DebrisBlowerPage2–1SpecicationsandMaintenance
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Specications
OverallDimensions
g274940
Figure2
SpecicationsandMaintenance:SpecicationsPage2–2ProForce®DebrisBlower
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Engine
ItemDescription
Make/DesignationKohlerCH740S,2-cylinder,aircooled,
OHVgasolineengine
BorexStroke83x67mm(3.27x2.64inches)
Totaldisplacement725cm3(44in3)
Compressionratio9.0:1
GovernorElectronic
Lowidlespeed1,700to1,900rpm
Highidlespeed3,550to3,650rpm(withnonozzlebackpressure)
CarburetorFloatfeed,xedmainjet,andsolenoidfuelshut-off
Fuelunleadedgasolinefuelwithanoctane
ratingof87orhigher
FuelpumpPulsetype
Fueltankcapacity18.9L(5USgallons)
AircleanerDualelement
LubricationsystemPressurelubricationwithoilcooler
Crankcase-oilcapacity2.0L(67oz)
EngineoilRefertotheOperator’sManual
IgnitionsystemFlywheelmagneto,twinelectronicarmatures
withignitionadvance
SparkplugChampion®RC12YC,Champion®Platinum
3071orequivalent
Sparkpluggap0.76mm(0.030inch)
Starter12VDC,solenoidshift
Alternator12VDC,15A
Engineweight(dry)53kg(116lb)
Chassis
ItemDescription
Tirespressure(20×10-8,4ply,tubeless)96.5kPa(14psi)
Wheellugnuttorque95to122N∙m(70to90ft-lb)
ProForce®DebrisBlowerPage2–3SpecicationsandMaintenance:Specications
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TorqueSpecications
Therecommendedfastenertorquevaluesarelistedinthefollowingtables.For
criticalapplications,asdeterminedbyT oro,eithertherecommendedtorqueora
torquethatisuniquetotheapplicationisclearlyidentiedandspeciedinthis
ServiceManual.
Thesetorquespecicationsfortheinstallationandtighteningofthefastenerswill
applytoallthefastenerswhichdonothaveaspecicrequirementidentiedin
thisServiceManual.Thefollowingfactorsmustbeconsideredwhenapplying
thetorque:cleanlinessofthefastener,useofathreadsealant(e.g.,Loctite),
degreeoflubricationonthefastener,presenceofaprevailingtorquefeature
(e.g.,Nylocknut),hardnessofthesurfaceunderneaththeheadofthefastener,
orsimilarconditionwhichaffectstheinstallation.
Asnotedinthefollowingtables,thetorquevaluesshouldbereducedby25%
forlubricatedfastenersorfastenerswithawetthreadlockingcompound
appliedtoachievethesimilarstressasadryfastener.Thetorquevaluesmust
bereducedwhenthefasteneristhreadedintothealuminumorbrass.The
specictorquevalueshouldbedeterminedbasedonthealuminumorbrass
materialstrength,fastenersize,lengthofthreadengagement,etc.
Thestandardmethodofcheckingthetorquecanbeperformedbymarkingaline
onthefastener(headornut)andmatingpart,thenbackoffthefastener1/4
ofaturn.Measurethetorquenecessarytotightenthefasteneruntilthelines
matchup.
SpecicationsandMaintenance:TorqueSpecicationsPage2–4ProForce®DebrisBlower
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CalculatingtheTorqueValuesWhenUsingaDrive-AdapterWrench
g205924
Figure3
TorqueConversionFactor=A/B
1.Torquewrench3.A(effectivelengthoftorquewrench)
2.Drive-adapterwrench(crowsfoot)4.B(effectivelengthoftorquewrenchand
drive-adapterwrench)
Usingadrive-adapterwrench(e.g.,crowfootwrench)inanypositionotherthan
90°and270°totheframeofthetorquewrenchwillaffectthetorquevalue
measuredbythetorquewrenchbecauseoftheeffectivelength(lever)ofthe
torquewrenchchanges.Whenusingatorquewrenchwithadrive-adapter
wrench,multiplythelistedtorquerecommendationbythecalculatedtorque
conversionfactor(Figure3)todeterminepropertighteningtorque.Whenusinga
torquewrenchwithadrive-adapterwrench,thecalculatedtorquewillbelower
thanthelistedtorquerecommendation.
Example:Themeasuredeffectivelengthofthetorquewrench(distancefrom
thecenterofthehandletothecenterofthesquaredrive)is457mm(18inches).
Themeasuredeffectivelengthofthetorquewrenchwiththedrive-adapter
wrenchinstalled(distancefromthecenterofthehandletothecenterofthe
drive-adapterwrench)is483mm(19inches).
Thecalculatedtorqueconversionfactorforthistorquewrenchwiththis
drive-adapterwrenchwouldbe18/19=0.947.
Ifthelistedtorquerecommendationforafasteneris103to127N∙m(76to94
ft-lb),thepropertorquewhenusingthistorquewrenchwithadrive-adapter
wrenchwouldbe98to121N∙m(72to89ft-lb).
ProForce®DebrisBlowerPage2–5SpecicationsandMaintenance:TorqueSpecications
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IdentifyingtheFastener
g206089
Figure4
MetricBoltsandScrews
1.Class8.82.Class10.9
g206088
Figure5
InchSeriesBoltsandScrews
1.Grade12.Grade53.Grade8
FastenerswithaLockingFeature
IMPORTANT
Ifafastenerwithalockingfeatureorpreviouslyappliedthread
lockingcompoundisreused,cleanthefastenerthreadsandapply
newthreadlockertothefastenerduringinstallation.
Lockingfeaturesaredesignedtocreatefrictionandpreventafastenerfrom
loosening.Lockingfeaturescanbefoundonexternallyorinternallythreaded
fasteners.Commonexamplesareplasticinsertsincorporatedintothefastener
andpre-applied“dry”threadlockingcompound.Keepinmind,afastenerwith
alockingfeatureusuallymeanstherewillbefrictionduringinitialinstallation
andduringremoval.
Tororecommendsreplacingfastenerswithalockingfeatureoncetheyhave
beenremovedbecausetheeffectivenessofthelockingfeaturediminisheswith
eachreuse.Ifitisnecessarytoreuseafastenerwithalockingfeature;applya
threadlockingcompound(Loctiteforexample)tothefastenerduringinstallation.
Usetheappropriatestrengthandtypeofthreadlockingcompoundbasedon
application,fastenersizeorinformationfoundintheproductOperatorsManual,
ServiceManualorInstallationInstructions.
SpecicationsandMaintenance:TorqueSpecicationsPage2–6ProForce®DebrisBlower
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