Toro Groundsmaster 7210 Series Traction Unit User manual

FormNo.16222SLRevE

Groundsmaster7210

(ModelswithYanmarEngine)

8111LyndaleAvenueSouth

Bloomington,MN55420

OriginalInstructions(EN)

Contactusatwww.Toro.com.

AllRightsReserved

RevisionHistory

RevisionDateDescription

A2016Initialissue.

B2017AddedFoldoutDrawings.

C03/2018UpdatedEnginechapter.AddedRevisionHistoryandpublishedinnewformat.

D

03/2019UpdatedChassischapter.

E

06/2020

UpdatedFoldoutDrawings.

RevisionHistoryPage2

Groundsmaster7210

16222SLRevE

ReaderComments

TheToroCompanyTechnicalAssistanceCentermaintainsacontinuous

efforttoimprovethequalityandusefulnessofitspublications.Todothis

effectively,weencourageuserfeedback.Pleasecommentonthecompleteness,

accuracy,organization,usability,andreadabilityofthismanualbyane-mail

to[email protected]

orMailto:

TechnicalPublicationManager,Commercial

TheToroCompany

8111LyndaleAvenueSouth

Bloomington,MN55420-1196

Phone:+1952-887-8495

Groundsmaster7210

Page3

ReaderComments

16222SLRevE

NOTES:

Page4

Groundsmaster7210

16222SLRevE

Preface

Thepurposeofthispublicationistoprovidetheservicetechnicianwiththe

informationfortroubleshooting,testing,andrepairofthemajorsystemsand

componentsofGroundsmaster7210machinesthatarepoweredbyaYanmar

dieselengine.

RefertotheOperator’sManualsforoperating,maintenance,andadjustment

instructions.SpaceisprovidedinChapter2(page2–1)ofthisbooktoinsertthe

Operator’sManualsandPartsCatalogforyourmachine.Additionalcopiesofthe

Operator’sManualsandPartsCatalogsareavailableatwww.toro.com.

TheToroCompanyreservestherighttochangetheproductspeci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.

Groundsmaster7210

Page5

Preface

16222SLRevE

g034400

Figure1

ServiceProcedureIcons

ThefollowingiconsappearthroughoutthisServiceManualtobringattentionto

speci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).

FluidSpecications

Thisiconisusedtohighlightuidspecicationsandcapacitiesthatareless

common,andmaynotappearonthemachineservicedecalorinthemachine

Operator’sManual.

Note:RefertotheservicedecalonthemachineandthemachineOperator’s

Manualforcommonlyuseduidspecicationsandcapacities.

Preface

Page6

Groundsmaster7210

16222SLRevE

TableofContents

Preface................................................................................................................5

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

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

JackingInstructions.....................................................................................1–6

SafetyandInstructionalDecals....................................................................1–8

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

Chapter4:HydraulicSystem...........................................................................4–1

Specications...............................................................................................4–3

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

HydraulicSchematics.................................................................................4–13

SpecialT ools...............................................................................................4–23

Troubleshooting..........................................................................................4–28

TestingtheHydraulicSystem......................................................................4–31

ServiceandRepairs...................................................................................4–57

Chapter5:ElectricalSystem...........................................................................5–1

GeneralInformation.....................................................................................5–3

SpecialTools.................................................................................................5–9

InfoCenterDisplay......................................................................................5–11

Troubleshooting..........................................................................................5–16

ElectricalSystemQuickChecks..................................................................5–20

TestingtheElectricalComponents..............................................................5–23

Adjustments...............................................................................................5–54

ServiceandRepairs...................................................................................5–56

Chapter6:Chassis..........................................................................................6–1

Specications...............................................................................................6–2

GeneralInformation.....................................................................................6–3

ServiceandRepairs.....................................................................................6–4

Chapter7:CuttingDeck..................................................................................7–1

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

FactorsThatCanAffectCuttingPerformance...............................................7–3

ServiceandRepairs.....................................................................................7–4

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

ElectricalDrawingDesignations....................................................................A–2

HydraulicSchematic.....................................................................................A–3

ElectricalSchematic-Platform(Formachineserialnumberbelow

403430000)..................................................................................................A–4

ElectricalSchematic-Platform(Formachineserialnumberabove

403430001)..................................................................................................A–5

......................................................................................................................A–6

ElectricalSchematic-Engine.......................................................................A–7

ElectricalSchematic-Cab(1of2)................................................................A–8

ElectricalSchematic-Cab(2of2)................................................................A–9

WireHarnessDrawing-Platform(1of2)(Formachineserialnumber

below403430000)......................................................................................A–10

WireHarnessDrawing-Platform(2of2)(Formachineserialnumber

below403430000)......................................................................................A–11

WireHarnessDrawing-Platform(1of2)(Formachineserialnumber

above403430001)......................................................................................A–12

Groundsmaster7210

Page7

Preface

16222SLRevE

WireHarnessDrawing-Platform(2of2)(Formachineserialnumber

above403430001)......................................................................................A–13

WireHarnessDrawing-Engine(1of2).......................................................A–14

WireHarnessDrawing-Engine(2of2).......................................................A–15

WireHarnessDrawing-CabPower............................................................A–16

WireHarnessDrawing-CabHeadliner.......................................................A–17

WireHarnessDiagram-CabHeadliner......................................................A–18

WireHarnessDrawing-CabPowerPointKit..............................................A–19

WireHarnessDrawing-AuxiliaryPowerModel30382................................A–20

WireHarnessDrawing-LightKitModel30374...........................................A–21

AdditionalReferenceMaterials

YANMARTNV(TIER4)SERIESSERVICEMANUAL

YANMARTNV(TIER4)SERIESTROUBLESHOOTINGMANUAL

PARKERTORQMOTOR™SERVICEPROCEDURE(TC,TB,TE,TJ,TF ,TG,

THANDTLSERIES)

Preface

Page8

Groundsmaster7210

16222SLRevE

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............................................................................................................1–8

Groundsmaster7210

Page1–1

Safety

16222SLRevE

SafetyInstructions

TheGroundsmaster7210machinemeetsorexceedssafetystandard

specicationsasidentiedintheOperator’sManuals.Althoughthehazard

controlandaccidentpreventionaredependentpartiallyuponthedesignand

congurationofthemachine,thesefactorsarealsodependentuponthe

awareness,concernandpropertrainingofthepersonnelinvolvedinthe

operation,transport,maintenance,andstorageofthemachine.Theimproper

useormaintenancebytheoperatororownerofthemachinecanresultininjury.

WARNING

Toreducethepotentialofinjuryordeath,complywiththefollowing

safetyinstructionsaswellasinformationfoundintheOperator’s

Manuals.

Supervisor’sResponsibilities

1.EnsurethattheoperatorsarefullytrainedandfamiliarwiththeOperator’s

Manuals,Operator’sTrainingDVD,andalloftheoperatingandsafetydecals

onthemachine.

2.Establishyourownspecialproceduresandworkrulesforunusualoperating

conditions(e.g.,slopestoosteepformachineoperation).Surveythemowing

sitecompletelytodeterminehillsonwhichyoucanoperatesafely.When

performingthissitesurvey,alwaysunderstandandtakeintoconsideration

theturfconditionandrolloverrisk.Toperformasitesurvey,followthe

procedureoutlinedintheOperator’sManuals.

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.

•Ensuretheinterlockswitchesareadjustedcorrectlysothattheengine

doesnotstartunlessthe2drivehandlesareintheNEUTRALLOCKposition,

thePTOswitchisintheOFF(disengaged)position,andeithertheseatis

occupiedortheparkingbrakeisapplied.

•Dieselfuelishighlyammable;handleitcarefully.

–Storefuelincontainersspecicallydesignedforstoringfuel.

–Donotremovethefueltankcapofthemachinewhiletheengineishot

orrunning.

–Donotsmokewhilehandlingfuel.

–Fillthefueltankoutdoorsandonlytoalevelwithinaninchofthetopof

thetank,notthellerneck.Donotoverllthefueltank.

–Replacethefueltankandfuelcontainercapssecurelyafterrefuelling

themachine.

Safety:SafetyInstructions

Page1–2

Groundsmaster7210

16222SLRevE

BeforeOperatingtheMachine(continued)

–Ifyouspillfuel,donotattempttostarttheenginebutmovethemachine

awayfromthespill.Avoidcreatinganysourceofignitionuntilfuelvapors

havedissipated.Wipeupanyspilledfuel.

WhileOperatingtheMachine

•Sitontheseatwhenstartingandoperatingthemachine.

•Anytimeyouparkthemachine(shortorlongterm),lowerthecuttingdeck

(orimplement)totheground.

IMPORTANT

Whenyoulowerthecuttingdeckfullytotheground,thepressure

fromtheliftcircuitreleasesandpreventsthecuttingdeckfrom

accidentallylowering.

•Ifyouparkthemachineonaslope,blockorchockthewheels.

Beforestartingthemachine

DANGER

Theexhaustfumesarehazardousandhavethepotentialofinjury

ordeath.

Donotruntheengineinaconnedareawithoutadequateventilation.

1.Settheparkingbrake.

2.Ensurethatthe2drivehandlesareintheNEUTRALLOCKpositionandthe

PTOswitchisintheOFF(disengaged)position.

3.Afteryoustarttheengine,releasetheparkingbrakeandkeepthe2drive

handlesintheNEUTRALLOCKposition.Ensurethatthemachinedoesnot

move.

Note:Ifmachinemovementisevident,thetractionlinkageisadjusted

incorrectly;therefore,shutofftheengineandadjustthetractionlinkageuntil

themachinedoesnotmovewhenthe2drivehandlesareintheNEUTRAL

LOCKposition;refertoTractionUnitOperator’sManual.

CAUTION

Runningtheenginecausestheengine,radiator,andexhaustsystem

tobecomehot.Touchingahotengine,radiator,orexhaustsystem

canburnyou.

Donottouchtheengine,radiator,orexhaustsystemwhilethe

engineisrunningorsoonafteryoustopit.

Groundsmaster7210

Page1–3

Safety:SafetyInstructions

16222SLRevE

Beforestoppingthemachine

1.Ensurethatthe2drivehandlesareintheNEUTRALLOCKposition.

2.Loweranddisengagethecuttingdeck(orimplement)andwaitforallmoving

partstostop.

3.Settheparkingbrake.

4.Shutofftheengineandremovethekeyfromthekeyswitch.

MaintenanceandService

•Beforeservicingormakinganyadjustmentstothemachine,lowerthecutting

deck(orimplement),settheparkingbrake,shutofftheengine,andremove

thekeyfromthekeyswitch.

•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.

•Useeyeprotectionwhenworkingonthehydraulicsystemandits

components.

•Ifmajorrepairsarenecessary,contactyourAuthorizedT oroDistributor.

•Usecarewhencheckingorservicingthecuttingdeck.Wearglovesand

usecautionwhenservicingthedeck.

•Toreducepotentialrehazards,keeptheengineareafreeofexcessive

grease,grass,leaves,anddirt.Cleantheprotectivescreenonthemachine

frequently.

•Ifyoumustruntheenginetoperformmaintenanceortomakeanadjustment,

keepyourhands,feet,clothing,andotherpartsofthebodyawayfromthe

cuttingdeck(implement)andothermovingparts.Keepbystandersaway.

•Donotoverspeedtheenginebychangingtheenginegovernorsetting.

Toensuresafetyandaccuracy,checkthemaximumenginespeedwitha

tachometer.

•Shutofftheenginebeforecheckingoraddingoiltotheenginecrankcase.

•Disconnectthebatteriesbeforeservicingthemachine.Disconnectthe

negativebatterycableandthenthepositivecable.Ifbatteryvoltageis

necessaryfortroubleshootingortestprocedures,temporarilyconnectthe

battery.Connectthepositivebatterycableandthenthenegativecable.

•Batteryacidispoisonousandcancauseburns.Avoidacidcontactwithskin,

eyes,andclothing.Protectyourface,eyes,andclothingwhenworkingwitha

battery.

•Batterygasescanexplode.Keepcigarettes,sparks,andamesawayfrom

thebattery.

Safety:SafetyInstructions

Page1–4

Groundsmaster7210

16222SLRevE

MaintenanceandService(continued)

•Ifweldingonthemachineisnecessary,disconnectallthebatterycablesto

preventdamagetotheelectricalsystem.Disconnectthenegativebattery

cableandthenthepositivecable.

•DisconnectandremovetheengineECUfromthemachine.

•Atthetimeofmanufacture,themachineconformedtothesafetystandards

forridingmowers.Toensuretheoptimumperformanceandcontinued

safetycerticationofthemachine,usegenuineT ororeplacementpartsand

accessories.Thereplacementpartsandaccessoriesofothermanufacturers

canresultinnon-conformancewiththesafetystandardsandcanvoidthe

warranty.

•Whenchangingtheattachments,tires,orperformingotherservice,use

correctblocks,hoists,andjackstoraiseandsupportthemachine.Ensure

thatthemachineisparkedonasolidlevelsurface,suchasaconcreteoor.

Beforeyouliftthemachine,removealltheattachmentsthatmayinterfere

withthesafeandcorrectliftofthemachine.Alwaysblockthewheelswith

chocks.Useappropriatejackstandstosupporttheraisedmachine.Failing

toproperlysupportthemachinewithappropriatejackstandscancausethe

machinetomoveorfallandcanresultinpersonalinjury;refertoJacking

Instructions(page1–6).

Groundsmaster7210

Page1–5

Safety:SafetyInstructions

16222SLRevE

JackingInstructions

CAUTION

Failingtoproperlysupportthemachinewithappropriatejackstands

cancausethemachinetomoveorfallandcanresultinpersonal

injury.

Whenchangingtheattachments,tires,orperformingotherservices,

dothefollowingsteps:

•Usecorrectblocks,hoists,andjackstoraiseandsupportthe

machine.

•Parkthemachineonasolidlevelsurface,suchasaconcrete

oor.

•Beforeyouliftthemachine,removealltheattachmentsthatmay

interferewiththesafeandcorrectliftofthemachine.

•Alwaysblockthewheelswithchocks.

•Useappropriatejackstandstosupporttheraisedmachine.

•Donotusethecuttingdeck(orimplement)asajackingpoint.

RaisingtheFrontoftheMachine

g033384

Figure2

1.Frontcastorwheel2.Frontjackingpoint

1.Settheparkingbrakeandblockthe2reartireswithchockstopreventthe

machinefrommoving.

2.Positionthejacktothemachine:

A.Onmachineswithcuttingdeck,positionthejackstandsunderthesquare

carrierframetubenearthefrontcastorwheel(Figure2).

B.OnmachineswithPolarTrac™Kit,positionthejacksecurelyunderthe

liftarmpivottubeonthefrontofthemachine.

3.Useajacktoraisethefrontofthemachine.

4.Afterraisingthefrontofthemachine,useappropriatejackstandsunderthe

frametosupportthefrontofthemachine.

Safety:JackingInstructions

Page1–6

Groundsmaster7210

16222SLRevE

RaisingtheRearoftheMachine

IMPORTANT

Donotsupportthemachineonthewheelhubs(brakerotors).

g033385

Figure3

1.Protectionplate3.Rearwheel

2.Rearjackingpoint

1.Blockthe2frontcastorwheelswithchockstopreventthemachinefrom

moving.

2.Positionthejacksecurelyundertheatsurfaceoftheprotectionplate

(Figure3).

3.Lifttherearwheelsofftheground.

4.Useappropriatejackstandsundertheframetosupporttherearofthe

machine.

Groundsmaster7210

Page1–7

Safety:JackingInstructions

16222SLRevE

SafetyandInstructionalDecals

Numeroussafetyandinstructiondecalsareafxedtothetractionunitand

cuttingunitsofyourGroundsmaster.Ifanydecalbecomesillegibleordamaged,

installanewdecal.DecalpartnumbersarelistedinyourPartsCatalog.Order

replacementdecalsfromAuthorizedT oroDistributor.

Safety:SafetyandInstructionalDecals

Page1–8

Groundsmaster7210

16222SLRevE

Chapter2

Speci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

Groundsmaster7210

Page2–1

SpecicationsandMaintenance

16222SLRevE

Specications

InsertacopyoftheOperator’sManualsandPartsCatalogsforyourmachineat

theendofthischapter.Additionally,ifanyoptionalequipmentoraccessoriesare

installedtoyourmachine,inserttheInstallationInstructions,Operator’sManuals,

andPartsCatalogsforthoseoptionsattheendofthischapter.

Themaintenanceproceduresandrecommendedserviceintervalsforyour

machinearecoveredintheOperator’sManual.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

SpecicationsandMaintenance:Specications

Page2–2

Groundsmaster7210

16222SLRevE

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

Groundsmaster7210

Page2–3

SpecicationsandMaintenance:Specications

16222SLRevE

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%

forthelubricatedfastenerstoachievethesimilarstressasadryfastener.The

torquevaluesmustbereducedwhenthefasteneristhreadedintothealuminum

orbrass.Thespecictorquevalueshouldbedeterminedbasedonthealuminum

orbrassmaterialstrength,fastenersize,lengthofthreadengagement,etc.

Thestandardmethodofcheckingthetorquecanbeperformedbymarkingaline

onthefastener(headornut)andmatingpart,thenbackoffthefastener1/4

ofaturn.Measurethetorquenecessarytotightenthefasteneruntilthelines

matchup.

IdentifyingtheFastener

g206088

Figure4

g206089

Figure5

SpecicationsandMaintenance:TorqueSpecications

Page2–4

Groundsmaster7210

16222SLRevE

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Toro Groundsmaster 7210 Series Traction Unit User manual

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