Toro Groundsmaster 4300-D Traction Unit User manual

Category
Engine
Type
User manual
FormNo.16226SLRevD
Groundsmaster
®
4300-D
(ModelNo.30864-SerialNo.314000101&
Up)
©2020—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
OriginalInstructions(EN)
Contactusatwww.Toro.com.
AllRightsReserved
RevisionHistory
RevisionDateDescription
A2016Initialissue.
B
03/2018
UpdatedEngine,ElectricalchaptersandFoldoutDrawings.AddedRevisionHistory
andpublishedinnewformat.
C03/2019UpdatedChassischapter.
D
07/2020
UpdatedElectricalchapterandFoldoutDrawings.
RevisionHistoryPage2
Groundsmaster
®
4300-D
16226SLRevD
ReaderComments
TheToroCompanyT echnicalAssistanceCentermaintainsacontinuous
efforttoimprovethequalityandusefulnessofitspublications.Todothis
effectively,weencourageuserfeedback.Pleasecommentonthecompleteness,
accuracy,organization,usability,andreadabilityofthismanualbyane-mail
orMailto:
TechnicalPublicationManager,Commercial
TheToroCompany
8111LyndaleAvenueSouth
Bloomington,MN55420-1196
Phone:+1952-887-8495
Groundsmaster
®
4300-D
Page3
ReaderComments
16226SLRevD
NOTES:
NOTES:
Page4
Groundsmaster
®
4300-D
16226SLRevD
Preface
Thepurposeofthispublicationistoprovidetheservicetechnicianwiththe
informationfortroubleshooting,testing,andrepairofthemajorsystemsand
componentsofGroundsmaster4300-D(ModelNo.30864)machinesthatare
poweredbyaYanmardieselengine.
RefertotheOperator’sManualsforoperating,maintenance,andadjustment
instructions.SpaceisprovidedinT orqueSpecications(page2–4)ofthis
booktoinserttheOperator’sManualsandPartsCatalogforyourmachine.
AdditionalcopiesoftheOperator’sManualsandPartsCatalogsareavailable
atwww.toro.com.
TheToroCompanyreservestherighttochangetheproductspeciî‚¿cationsor
thispublicationwithoutnotice.
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.
Groundsmaster
®
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Page5
Preface
16226SLRevD
g186523
Figure1
ServiceProcedureIcons
ThefollowingiconsappearthroughoutthisServiceManualtobringattentionto
speciî‚¿cimportantdetailsofaserviceprocedure.
CriticalProcess
Thisiconisusedtohighlight:
•installingsafetyequipment(shields,guards,seatbelts,brakesandR.O.P .S.
components)thatmayhavebeenremoved
•dimensionsorsettingsthatmustbemaintainedforpropermachineoperation
•aspecicfastenertighteningsequence
•componentorientationthatmaynotbeobvious
CriticalTorque
Thisiconisusedtohighlightanassemblytorquerequirementthatisdifferent
thanwhatisrecommendedintheStandardTorqueT ables;refertoT orque
Specications(page2–4).
FluidSpeciî‚¿cations
Thisiconisusedtohighlightuidspecicationsandcapacitiesthatareless
common,andmaynotappearonthemachineservicedecalorinthemachine
Operator’sManual.
Note:RefertotheservicedecalonthemachineandthemachineOperator’s
Manualforcommonlyuseduidspecicationsandcapacities.
Preface
Page6
Groundsmaster
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16226SLRevD
TableofContents
Preface................................................................................................................5
Chapter1:Safety............................................................................................1–1
SafetyInstructions.......................................................................................1–2
JackingInstructions.....................................................................................1–6
SafetyandInstructionalDecals....................................................................1–7
Chapter2:SpecicationsandMaintenance....................................................2–1
Specications...............................................................................................2–2
TorqueSpecications...................................................................................2–4
ShopSupplies..............................................................................................2–9
SpecialT ools..............................................................................................2–11
Chapter3:DieselEngine.................................................................................3–1
Specications...............................................................................................3–2
GeneralInformation.....................................................................................3–3
ServiceandRepairs...................................................................................3–10
Chapter4:HydraulicSystem...........................................................................4–1
Specications...............................................................................................4–3
GeneralInformation.....................................................................................4–4
HydraulicSchematics.................................................................................4–15
HydraulicFlowDiagrams............................................................................4–16
SpecialT ools...............................................................................................4–31
Troubleshooting..........................................................................................4–39
TestingtheHydraulicSystem......................................................................4–44
ServiceandRepairs...................................................................................4–87
Chapter5:ElectricalSystem...........................................................................5–1
GeneralInformation.....................................................................................5–3
SpecialTools.................................................................................................5–5
InfoCenterDisplay........................................................................................5–7
Troubleshooting..........................................................................................5–24
ElectricalSystemQuickChecks..................................................................5–39
Adjustments................................................................................................5–41
TestingtheElectricalComponents..............................................................5–45
ServiceandRepairs...................................................................................5–92
Chapter6:Chassis..........................................................................................6–1
Specications...............................................................................................6–2
GeneralInformation.....................................................................................6–3
SpecialTools.................................................................................................6–4
ServiceandRepairs.....................................................................................6–5
Chapter7:CuttingDeck..................................................................................7–1
Specications...............................................................................................7–2
GeneralInformation.....................................................................................7–3
Troubleshooting............................................................................................7–4
SpecialTools.................................................................................................7–5
Adjustments..................................................................................................7–6
ServiceandRepairs.....................................................................................7–7
AppendixA......................................................................................................A–1
ElectricalDrawingDesignations....................................................................A–2
HydraulicSchematic.....................................................................................A–3
ElectricSchematic(Serialnumbersbelow403430000)................................A–4
ElectricSchematic(Serialnumbersabove403430001)................................A–5
......................................................................................................................A–6
WireHarnessDrawing-Seat(sheet1of2)...................................................A–7
WireHarnessDrawing-Seat(sheet2of2)...................................................A–8
WireHarnessDrawing-Engine(sheet1of2)...............................................A–9
WireHarnessDrawing-Engine(sheet2of2).............................................A–10
WireHarnessDrawing-Main(sheet1of2)(Serialnumbersbelow
403430000)................................................................................................A–11
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Preface
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WireHarnessDrawing-Main(sheet2of2)(Serialnumbersbelow
403430000)................................................................................................A–12
WireHarnessDrawing-Main(sheet1of2)(Serialnumbers403430001
to405699999).............................................................................................A–13
WireHarnessDrawing-Main(sheet2of2)(Serialnumbers403430001
to405699999).............................................................................................A–14
WireHarnessDrawing-Main(sheet1of2)(Serialnumbersabove
405700001)................................................................................................A–15
WireHarnessDrawing-Main(sheet2of2)(Serialnumbersabove
405700001)................................................................................................A–16
WireHarnessDiagram−Two−PostROPSExtension(sheet1of
2)................................................................................................................A–17
WireHarnessDiagram−Two−PostROPSExtension(sheet2of
2)................................................................................................................A–18
AdditionalReferenceMaterials
YanmarTNV(Tier4)SeriesServiceManual
YanmarTNV(Tier4)SeriesTroubleshootingManual
DanfossLPVPumpRepairManual
DanfossLPVPumpServiceManual
EatonDeltaMotorsPartsandRepairManual
ParkerTorqmotorServiceProcedure(TC,TB,TE,TJ,TF ,TG,TH,andTLSeries)
DanfossOSPMSteeringUnitServiceManual
Preface
Page8
Groundsmaster
®
4300-D
16226SLRevD
Chapter1
Safety
TableofContents
SafetyInstructions................................................................................................................................1–2
Supervisor’sResponsibilities.............................................................................................................1–2
BeforeOperatingtheMachine...........................................................................................................1–2
WhileOperatingtheMachine.............................................................................................................1–3
MaintenanceandService...................................................................................................................1–4
JackingInstructions..............................................................................................................................1–6
RaisingtheFrontoftheMachine........................................................................................................1–6
RaisingtheRearoftheMachine........................................................................................................1–7
SafetyandInstructionalDecals............................................................................................................1–7
Groundsmaster
®
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Page1–1
Safety
16226SLRevD
SafetyInstructions
TheGroundsmaster4300-Dmachinemeetsorexceedssafetystandard
speciî‚¿cationswhenweightsareinstalledaccordingtoinformationinthe
Operator’sManual.Althoughhazardcontrolandaccidentpreventionarepartially
dependentuponthedesignandconî‚¿gurationofthemachine,thesefactors
arealsodependentupontheawareness,concern,andpropertrainingofthe
personnelinvolvedintheoperation,transport,maintenance,andstorageof
themachine.Improperuseormaintenanceofthemachinecanresultininjury
ordeath.
WARNING
Toreducethepotentialofinjuryordeath,complywiththefollowing
safetyinstructionsaswellasinformationfoundintheOperator’s
Manuals.
Supervisor’sResponsibilities
1.EnsurethattheoperatorsarefullytrainedandfamiliarwiththeOperator’s
Manual,Operator’sTrainingDVD,andalloftheoperatingandsafetydecals
onthemachine.
2.Establishyourownspecialproceduresandworkrulesforunusualoperating
conditions(e.g.,slopestoosteepformachineoperation).Surveythemowing
sitecompletelytodeterminehillsonwhichyoucanoperatesafely.When
performingthissitesurvey,alwaysunderstandandtakeintoconsideration
theturfconditionandrolloverrisk.
BeforeOperatingtheMachine
•ReviewandunderstandthecontentsoftheOperator’sManualsand
Operator’sTrainingDVDbeforestartingandoperatingthemachine.Become
familiarwiththecontrolsandknowhowtostopthemachineandengine
quickly.AdditionalcopiesoftheOperator’sManualsareavailableat
www.toro.com.
•Keepalltheshields,safetydevices,anddecalsinplace.Ifashield,safety
device,ordecalisillegibleordamaged,repairorreplaceitbeforeoperating
themachine.
•Tightenanyloosenuts,bolts,orscrewstoensurethatthemachineisin
safeoperatingcondition.
•Ensurethattheinterlockswitchesareadjustedcorrectlysothattheengine
doesnotstartunlessthetractionpedalisintheNEUTRALposition,andthe
PTOswitchisintheOFF(disengaged)position.
•Dieselfuelishighlyammable;handleitcarefully.
–Storefuelincontainersspecicallydesignedforstoringfuel.
–Donotremovethefueltankcapofthemachinewhiletheengineishot
orrunning.
–Donotsmokewhilehandlingfuel.
–Fillthefueltankoutdoorsandonlytothebottomofthellerneck.Donot
overî‚¿llthefueltank.
–Afterrefuelingthemachine,installthefueltankandfuelcontainercaps.
–Ifyouspillfuel,donotattempttostarttheenginebutmovethemachine
awayfromthespill.Avoidcreatinganysourceofignitionuntilfuelvapors
havedissipated.Wipeupanyspilledfuel.
Safety:SafetyInstructions
Page1–2
Groundsmaster
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16226SLRevD
WhileOperatingtheMachine
•Sitontheseatwhenstartingandoperatingthemachine.
•Anytimeyouparkthemachine(shortorlongterm),lowerthecuttingdecksto
theground.
IMPORTANT
Whenyoulowerthecuttingdecktotheground,thepressurefrom
thehydraulicliftcircuitreleasesandpreventsthecuttingdeck
fromaccidentallylowering.
•Ifyouparkthemachineonaslope,blockorchockthewheels.
Beforestartingthemachine
DANGER
Theexhaustfumesarehazardousandhavethepotentialofinjury
ordeath.
Donotruntheengineinaconî‚¿nedareawithoutadequateventilation.
1.Settheparkingbrake.
2.EnsurethatthetractionpedalisintheNEUTRALpositionandthePTOswitch
isintheOFF(disengaged)position.
3.Afteryoustarttheengine,releasetheparkingbrakeandkeepfootoffthe
tractionpedal.Ensurethatthemachinedoesnotmove.
Note:Ifmachinemovementisevident,thetractionpedallinkageisadjusted
incorrectly;therefore,shutofftheengineandadjustthetractionpedallinkage
untilthemachinedoesnotmovewhenyoureleasethetractionpedal;referto
theOperator'sManual.
CAUTION
Runningtheenginecausestheengine,radiator,andexhaustsystem
tobecomehot.Touchingahotengine,radiator,orexhaustsystem
canburnyou.
Donottouchtheengine,radiator,orexhaustsystemwhilethe
engineisrunningorsoonafteryoustopit.
Beforestoppingthemachine
1.EnsurethatthetractionpedalisintheNEUTRALposition.
2.Loweranddisengagethecuttingdecksandwaitforallmovingpartstostop.
3.Settheparkingbrake.
4.Shutofftheengineandremovethekeyfromthekeyswitch.
Groundsmaster
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Page1–3
Safety:SafetyInstructions
16226SLRevD
MaintenanceandService
•Beforeservicingormakinganyadjustmentstothemachine,lowerthecutting
decks,settheparkingbrake,shutofftheengine,andremovethekeyfrom
thekeyswitch.
•Ensurethatthemachineisinsafeoperatingconditionbykeepingallthe
nuts,bolts,andscrewstight.
•Donotstorethemachineorafuelcontainerinsidewherethereisanopen
ame,suchasnearawaterheaterorfurnace.
•Ensurethatallofthehydrauliclineconnectorsaretightandthatallthe
hydraulichosesandlinesareingoodconditionbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompin-holeleaksinthehydrauliclines
thatejecthydraulicuidunderhighpressure.Usecardboardorpapertond
hydraulicleaks.Thehydraulicuidescapingunderpressurecanpenetrate
theskinandcauseinjury.Ifhydraulicuidisaccidentallyinjectedintothe
skin,youmusthaveitsurgicallyremovedwithinafewhoursbyadoctor
familiarwiththistypeofinjury.Otherwise,gangrenemayresult.
•Beforedisconnectingorperforminganyworkonthehydraulicsystem,
releaseallthepressureinthesystembyparkingthemachineonalevel
surface,loweringthecuttingdeck(orimplement)completely,andthen
shuttingofftheengine.
•Usecarewhencheckingorservicingthecuttingdeck.Wearglovesand
usecautionwhenservicingthedeck.
•Toreducepotentialrehazards,keeptheengineareafreeofexcessive
grease,grass,leaves,anddirt.Cleantheprotectivescreenonthemachine
frequently.
•Ifyoumustruntheenginetoperformmaintenanceortomakeanadjustment,
keepyourhands,feet,clothing,andotherpartsofthebodyawayfromthe
cuttingdecksandothermovingparts.Keepbystandersaway.
•Donotoverspeedtheenginebychangingtheenginegovernorsetting.
Toensuresafetyandaccuracy,checkthemaximumenginespeedwitha
tachometer.
•Shutofftheenginebeforecheckingoraddingoiltotheenginecrankcase.
•Disconnectthebatterybeforeservicingthemachine.Disconnectthenegative
batterycableandthenthepositivecable.Ifbatteryvoltageisnecessaryfor
troubleshootingortestprocedures,temporarilyconnectthebattery.Connect
thepositivebatterycableandthenthenegativecable.
•Batteryacidispoisonousandcancauseburns.Avoidacidcontactwithskin,
eyes,andclothing.Protectyourface,eyes,andclothingwhenworkingwitha
battery.
•Batterygasescanexplode.Keepcigarettes,sparks,andamesawayfrom
thebattery.
•Whenchangingtheattachments,tires,orperformingotherservice,use
correctblocks,hoists,andjackstoraiseandsupportthemachine.Ensure
thatthemachineisparkedonasolidlevelsurface,suchasaconcreteoor.
Beforeyouliftthemachine,removealltheattachmentsthatmayinterfere
withthesafeandcorrectliftofthemachine.Alwaysblockthewheelswith
chocks.Useappropriatejackstandstosupporttheraisedmachine.Failing
toproperlysupportthemachinewithappropriatejackstandscancausethe
machinetomoveorfallandcanresultinpersonalinjury;refertoJacking
Instructions(page1–6).
•Ifmajorrepairsarenecessary,contactyourAuthorizedT oroDistributor.
•Whenweldingonthemachine,disconnectallthebatterycablestoprevent
damagetothemachineelectronicequipment.Disconnectthenegative
Safety:SafetyInstructions
Page1–4
Groundsmaster
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4300-D
16226SLRevD
MaintenanceandService(continued)
batterycableandthenthepositivecable.Disconnecttheenginewire
harnessfromtheengineECU.Also,disconnectthewireharnessconnector
fromthemachinecontrolleranddisconnecttheterminalconnectorfromthe
alternator,attachtheweldergroundcablenotmorethan610mm(2ft)from
theweldinglocation.
•Atthetimeofmanufacture,themachineconformedtothesafetystandards
forridingmowers.Toensuretheoptimumperformanceandcontinued
safetycertiî‚¿cationofthemachine,usegenuineT ororeplacementpartsand
accessories.Thereplacementpartsandaccessoriesofothermanufacturers
canresultinnon-conformancewiththesafetystandardsandcanvoidthe
warranty.
Groundsmaster
®
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Page1–5
Safety:SafetyInstructions
16226SLRevD
JackingInstructions
CAUTION
Failingtoproperlysupportthemachinewithappropriatejackstands
cancausethemachinetomoveorfallandcanresultinpersonal
injury.
Whenchangingtheattachments,tires,orperformingotherservices,
dothefollowingsteps:
•Usecorrectblocks,hoists,andjackstoraiseandsupportthe
machine.
•Parkthemachineonasolidlevelsurface,suchasaconcrete
oor.
•Beforeyouliftthemachine,removealltheattachmentsthatmay
interferewiththesafeandcorrectliftofthemachine.
•Alwaysblockthewheelswithchocks.
•Useappropriatejackstandstosupporttheraisedmachine.
•Donotusethecuttingdeckorimplementasajackingpoint.
RaisingtheFrontoftheMachine
g186590
Figure2
1.Frontwheel2.Frontjackingpoint
1.Settheparkingbrakeandblockthe2rearwheelswithchockstoprevent
themachinefrommoving.
2.Positionthejackundertherectangularpadonthefrontaxletube,justtothe
insideofthefrontwheel(Figure2).
3.Useajacktoraisethefrontofthemachine.
4.Positionjackstandsundertheframeasclosetothewheelaspossibleto
supportthemachine.
Safety:JackingInstructions
Page1–6
Groundsmaster
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16226SLRevD
RaisingtheRearoftheMachine
g186591
Figure3
1.Rearwheel3.Jackstandlocation
2.Rearaxlepivotbracket
1.Settheparkingbrakeandblockthe2frontwheelswithchockstoprevent
themachinefrommoving.
2.Positionthejacksecurelyatthecenteroftherearaxleundertheaxlepivot
bracket.Lifttherearofthemachineofftheground.
3.Positionthejackstandsundertheframetosupportthemachine(Figure3).
SafetyandInstructionalDecals
Numeroussafetyandinstructiondecalsareafî‚¿xedtothetractionunitand
cuttingunitsofyourGroundsmaster.Ifanydecalbecomesillegibleordamaged,
installanewdecal.DecalpartnumbersarelistedinyourPartsCatalog.Order
replacementdecalsfromAuthorizedT oroDistributor.
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®
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Page1–7
Safety:SafetyandInstructionalDecals
16226SLRevD
Safety:SafetyandInstructionalDecals
Page1–8
Groundsmaster
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16226SLRevD
Chapter2
Speciî‚¿cationsandMaintenance
TableofContents
Specications.......................................................................................................................................2–2
DecimalandMillimeterEquivalents...................................................................................................2–2
U.S.toMetricConversions................................................................................................................2–3
TorqueSpecications...........................................................................................................................2–4
IdentifyingtheFastener......................................................................................................................2–4
CalculatingtheT orqueValuesWhenUsingaDrive-AdapterWrench.................................................2–5
StandardT orqueforDry,ZincPlated,andSteelFasteners(InchSeries)............................................2–6
StandardT orqueforDry,ZincPlated,andSteelFasteners(MetricFasteners)...................................2–7
OtherTorqueSpecications...............................................................................................................2–8
ConversionFactors............................................................................................................................2–8
ShopSupplies......................................................................................................................................2–9
SpecialTools......................................................................................................................................2–11
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Speciî‚¿cationsandMaintenance
16226SLRevD
Speciî‚¿cations
InsertacopyoftheOperator’sManualsandPartsCatalogsforyourmachineat
theendofthischapter.Additionally,ifanyoptionalequipmentoraccessoriesare
installedtoyourmachine,inserttheInstallationInstructions,Operator’sManuals,
andPartsCatalogsforthoseoptionsattheendofthischapter.
Themaintenanceproceduresandrecommendedserviceintervalsforyour
machinearecoveredintheOperator’sManuals.Refertothispublicationwhen
performingtheregularequipmentmaintenance.
DecimalandMillimeterEquivalents
FractionsDecimals
mm
FractionsDecimals
mm
1/64
0.0156250.397
33/64
0.51562513.097
1/32
0.031250.794
17/32
0.5312513.494
3/64
0.0468751.191
35/64
0.54687513.891
1/16
0.06251.588
9/16
0.562514.288
5/64
0.0781251.984
37/64
0.57812514.684
3/32
0.093752.381
19/32
0.5937515.081
7/64
0.1092752.778
39/64
0.60937515.478
1/8
0.12503.175
5/8
0.625015.875
9/64
0.1406253.572
41/64
0.64062516.272
5/32
0.156253.969
21/32
0.6562516.669
11/64
0.1718754.366
43/64
0.67187517.066
3/16
0.18754.762
11/16
0.687517.462
13/64
0.2031255.159
45/64
0.70312517.859
7/32
0.218755.556
23/32
0.7187518.256
15/64
0.2343755.953
47/64
0.73437518.653
1/4
0.25006.350
3/4
0.750019.050
17/64
0.2656256.747
49/64
0.76562519.447
9/32
0.281257.144
25/32
0.7812519.844
19/64
0.2968757.541
51/64
0.79687520.241
5/16
0.31257.938
13/16
0.812520.638
21/64
0.3281258.334
53/64
0.82812521.034
11/32
0.343758.731
27/32
0.8437521.431
23/64
0.3593759.128
55/64
0.85937521.828
3/8
0.37509.525
7/8
0.875022.225
25/64
0.3906259.922
57/64
0.89062522.622
13/32
0.4062510.319
29/32
0.9062523.019
27/64
0.42187510.716
59/64
0.92187523.416
7/16
0.437511.112
15/16
0.937523.812
29/64
0.45312511.509
61/64
0.95312524.209
15/32
0.4687511.906
31/32
0.9687524.606
31/64
0.48437512.303
63/64
0.98437525.003
1/2
0.500012.70011.00025.400
1mm=0.03937inch0.001inch=0.0254mm
Speciî‚¿cationsandMaintenance:Speciî‚¿cations
Page2–2
Groundsmaster
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16226SLRevD
U.S.toMetricConversions
ToConvert
IntoMultiplyBy
MilesKilometers1.609
YardsMeters0.914
FeetMeters0.305
Feet
Centimeters
30.48
InchesMeters0.025
Inches
Centimeters
2.54
LinearMeasurement
InchesMillimeters25.4
SquareMilesSquareKilometers
2.59
SquareFeetSquareMeters
0.093
SquareInchesSquareCentimeters
6.452
Area
AcreHectare0.405
CubicYardsCubicMeters
0.765
CubicFeetCubicMeters
0.028
Volume
CubicInchesCubicCentimeters
16.39
Tons(Short)
MetricTons0.908
PoundsKilograms0.454
Weight
Ounces(Avdp.)Grams
28.349
Pounds/Sq.In.
Kilopascal6.895
Pressure
Pounds/Sq.In.
Bar0.069
Foot-poundsNewton-Meters1.356
Foot-poundsKilogram-Meters0.138
Work
Inch-pounds
Kilogram-Centimeters
1.152
Quarts
Liters0.946
LiquidVolume
Gallons
Liters3.785
LiquidFlow
Gallons/MinuteLiters/Minute
3.785
TemperatureFahrenheit
Celsius1.Subtract32°
2.Multiplyby5/9
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Speciî‚¿cationsandMaintenance:Speciî‚¿cations
16226SLRevD
TorqueSpeciî‚¿cations
Therecommendedfastenertorquevaluesarelistedinthefollowingtables.For
criticalapplications,asdeterminedbyT oro,eithertherecommendedtorqueora
torquethatisuniquetotheapplicationisclearlyidentiî‚¿edandspeciî‚¿edinthis
ServiceManual.
Thesetorquespeciî‚¿cationsfortheinstallationandtighteningofthefastenerswill
applytoallthefastenerswhichdonothaveaspeciî‚¿crequirementidentiî‚¿edin
thisServiceManual.Thefollowingfactorsmustbeconsideredwhenapplying
thetorque:cleanlinessofthefastener,useofathreadsealant(e.g.,Loctite),
degreeoflubricationonthefastener,presenceofaprevailingtorquefeature
(e.g.,Nylocknut),hardnessofthesurfaceunderneaththeheadofthefastener,
orsimilarconditionwhichaffectstheinstallation.
Asnotedinthefollowingtables,thetorquevaluesshouldbereducedby25%
forthelubricatedfastenerstoachievethesimilarstressasadryfastener.The
torquevaluesmustbereducedwhenthefasteneristhreadedintothealuminum
orbrass.Thespeciî‚¿ctorquevalueshouldbedeterminedbasedonthealuminum
orbrassmaterialstrength,fastenersize,lengthofthreadengagement,etc.
Thestandardmethodofcheckingthetorquecanbeperformedbymarkingaline
onthefastener(headornut)andmatingpart,thenbackoffthefastener1/4
ofaturn.Measurethetorquenecessarytotightenthefasteneruntilthelines
matchup.
IdentifyingtheFastener
g033768
Figure4
g033769
Figure5
Speciî‚¿cationsandMaintenance:TorqueSpeciî‚¿cations
Page2–4
Groundsmaster
®
4300-D
16226SLRevD
1 / 1

Toro Groundsmaster 4300-D Traction Unit User manual

Category
Engine
Type
User manual

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