Toro Groundsmaster 360 User manual

FormNo.16225SLRevC
Groundsmaster360
(4-WheelDriveModelswithYanmarEngine)
©2019—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
OriginalInstructions(EN)
Contactusatwww.Toro.com.
AllRightsReserved

RevisionHistory
RevisionDateDescription
A2016Initialissue.
B03/2018UpdatedEngine,ElectricalchaptersandFoldoutDrawings.AddedRevisionHistory
andpublishedinnewformat.
C03/2019UpdatedChassischapter.
RevisionHistoryPage2Groundsmaster360
16225SLRevC

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TheToroCompanyTechnicalAssistanceCentermaintainsacontinuous
efforttoimprovethequalityandusefulnessofitspublications.Todothis
effectively,weencourageuserfeedback.Pleasecommentonthecompleteness,
accuracy,organization,usability,andreadabilityofthismanualbyane-mail
to[email protected]
orMailto:
TechnicalPublicationManager,Commercial
TheToroCompany
8111LyndaleAvenueSouth
Bloomington,MN55420-1196
Phone:[phone]
Groundsmaster360Page3ReaderComments
16225SLRevC

NOTES:
NOTES:Page4Groundsmaster360
16225SLRevC

Preface
Thepurposeofthispublicationistoprovidetheservicetechnicianwiththe
informationfortroubleshooting,testing,andrepairofthemajorsystemsand
componentsof4-WheelDriveGroundsmaster360machinesthatarepowered
byaYanmardieselengine.
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.
Groundsmaster360Page5Preface
16225SLRevC

g033710
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.
PrefacePage6Groundsmaster360
16225SLRevC

TableofContents
Preface................................................................................................................5
Chapter1:Safety............................................................................................1–1
SafetyInstructions.......................................................................................1–2
JackingInstructions.....................................................................................1–7
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
HydraulicFlowDiagrams............................................................................4–14
SpecialT ools...............................................................................................4–27
Troubleshooting..........................................................................................4–34
TestingtheHydraulicSystem......................................................................4–39
ServiceandRepairs...................................................................................4–68
Chapter5:ElectricalSystem...........................................................................5–1
GeneralInformation.....................................................................................5–3
SpecialTools.................................................................................................5–6
InfoCenterDisplay........................................................................................5–8
Troubleshooting..........................................................................................5–28
ElectricalSystemQuickChecks..................................................................5–41
Adjustments................................................................................................5–43
TestingtheElectricalComponents..............................................................5–49
ServiceandRepairs.................................................................................5–104
Chapter6:Chassis..........................................................................................6–1
Specications...............................................................................................6–2
GeneralInformation.....................................................................................6–3
SpecialTools.................................................................................................6–4
Adjustments..................................................................................................6–6
ServiceandRepairs...................................................................................6–13
Chapter7:CuttingDeck..................................................................................7–1
GeneralInformation.....................................................................................7–2
FactorsThatCanAffectCuttingPerformance...............................................7–3
ServiceandRepairs.....................................................................................7–4
Chapter8:OperatorCab.................................................................................8–1
GeneralInformation.....................................................................................8–2
ServiceandRepairs.....................................................................................8–4
AppendixA......................................................................................................A–1
ElectricalDrawingDesignations....................................................................A–2
HydraulicSchematic.....................................................................................A–3
ElectricalSchematic-Platform.....................................................................A–4
ElectricalSchematic-Engine.......................................................................A–5
ElectricalSchematic-Cab(page1of2)........................................................A–6
ElectricalSchematic-Cab(page2of2)........................................................A–7
ElectricalSchematic-Attachments...............................................................A–8
ElectricalSchematic-DebrisCollection........................................................A–9
WireHarnessDrawing-Platform................................................................A–10
WireHarnessDiagram-Platform................................................................A–11
Groundsmaster360Page7Preface
16225SLRevC

WireHarnessDrawing-Engine..................................................................A–12
WireHarnessDiagram-Engine..................................................................A–13
WireHarnessDrawing-CabPower............................................................A–14
WireHarnessDiagram-CabPower...........................................................A–15
WireHarnessDrawing-CabHeadliner.......................................................A–16
WireHarnessDiagram-CabHeadliner......................................................A–17
WireHarnessDrawing-Attachments.........................................................A–18
WireHarnessDiagram-Attachments.........................................................A–19
WireHarnessDrawingandDiagram-DebrisCollection..............................A–20
WireHarnessDrawingandDiagram-EULightKitModel30690(No
Cab)............................................................................................................A–21
WireHarnessDrawingandDiagram-EULightKitModel30640
(Cab)...........................................................................................................A–22
WireHarnessDiagram−Two−PostROPSExtension(sheet1of
2)................................................................................................................A–23
WireHarnessDiagram−Two−PostROPSExtension(sheet2of
2)................................................................................................................A–24
AdditionalReferenceMaterials
YanmarTNV(Tier4)SeriesServiceManual
YanmarTNV(Tier4)SeriesTroubleshootingManual
ParkerT orqmotor™ServiceProcedure(TC,TB,TE,TJ,TF ,TG,THandTL
Series)
EatonPartsandRepairInformation:5SeriesSteeringControlUnits
ValeoCompressorServiceManual
PrefacePage8Groundsmaster360
16225SLRevC

Chapter1
Safety
TableofContents
SafetyInstructions................................................................................................................................1–2
Supervisor’sResponsibilities.............................................................................................................1–2
BeforeOperatingtheMachine...........................................................................................................1–2
WhileOperatingtheMachine.............................................................................................................1–4
MaintenanceandService...................................................................................................................1–5
JackingInstructions..............................................................................................................................1–7
RaisingtheFrontoftheMachine........................................................................................................1–7
RaisingtheRearoftheMachine........................................................................................................1–8
SafetyandInstructionalDecals............................................................................................................1–8
Groundsmaster360Page1–1Safety
16225SLRevC

SafetyInstructions
TheGroundsmaster360hasbeentestedandcertiedbyT oroforcompliance
withexistingsafetystandardsandspecications.Althoughhazardcontroland
accidentpreventionaredependentpartiallyuponthedesignandconguration
ofthemachine,thesefactorsarealsodependentontheawareness,concern,
andpropertrainingofthepersonnelinvolvedintheoperation,transport,
maintenance,andstorageofthemachine.Theimproperuseormaintenanceby
theoperatororownerofthemachinecanresultininjuryordeath.
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.Toperformasitesurvey,followthe
procedureoutlinedintheOperator’sManual.
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,thePTO
switchisintheOFF(disengaged)position,andeithertheseatisoccupiedor
theparkingbrakeisapplied.
•Dieselfuelishighlyammable;handleitcarefully.
–Storefuelincontainersspecicallydesignedforstoringfuel.
–Donotremovethefueltankcapofthemachinewhiletheengineishot
orrunning.
–Donotsmokewhilehandlingfuel.
–Fillthefueltankoutdoorsandonlytothebottomofthellerneck.Donot
overllthefueltank.
–Replacethefueltankandfuelcontainercapssecurelyafterrefuelling
themachine.
Safety:SafetyInstructionsPage1–2Groundsmaster360
16225SLRevC

BeforeOperatingtheMachine(continued)
–Ifyouspillfuel,donotattempttostarttheenginebutmovethemachine
awayfromthespill.Avoidcreatinganysourceofignitionuntilfuelvapors
havedissipated.Wipeupanyspilledfuel.
Groundsmaster360Page1–3Safety:SafetyInstructions
16225SLRevC

WhileOperatingtheMachine
•Sitontheseatwhenstartingandoperatingthemachine.
•Anytimeyouparkthemachine(shortorlongterm),lowerthecuttingdeck
totheHOCpin.
IMPORTANT
WhenyoulowerthecuttingdecktotheHOCpin,thepressure
fromtheliftcircuitreleasesandpreventsthecuttingdeckfrom
accidentallylowering.
•Ifyouparkthemachineonaslope,blockorchockthewheels.
Beforestartingthemachine
1.Settheparkingbrake.
2.EnsurethatthetractionpedalisintheNEUTRALpositionandthePTOswitch
isintheOFF(disengaged)position.
Note:Ifthemachineisonanytypeofslope,itmaymovewhentheparking
brakeisreleased.
3.Withthemachineonalevelsurfaceaftertheengineisstarted,releasethe
parkingbrakeandkeepfootoffthetractionpedal.Ensurethatthemachine
doesnotmove.
Note:Ifmachinemovementisevident,thetractionlinkageisadjusted
incorrectly;therefore,shutofftheengineandadjustthetractionlinkage
untilthemachinedoesnotmovewhenthetractionpedalisintheNEUTRAL
position;refertoTractionLinkageAssembly(page4–89).
DANGER
Theexhaustfumesarehazardousandhavethepotentialofinjury
ordeath.
Donotruntheengineinaconnedareawithoutadequateventilation.
CAUTION
Runningtheenginecausestheengine,radiator,andexhaustsystem
tobecomehot.Touchingahotengine,radiator,orexhaustsystem
canburnyou.
Donottouchtheengine,radiator,orexhaustsystemwhilethe
engineisrunningorsoonafteryoustopit.
Beforestoppingthemachine
1.EnsurethatthetractionpedalisintheNEUTRALposition.
2.Loweranddisengagethecuttingdeckandwaitforallmovingpartstostop.
3.Settheparkingbrake.
4.Shutofftheengineandremovethekeyfromthekeyswitch.
Safety:SafetyInstructionsPage1–4Groundsmaster360
16225SLRevC

MaintenanceandService
•Beforeservicingormakinganyadjustmentstothemachine,lowerthecutting
deck,settheparkingbrake,shutofftheengine,andremovethekeyfromthe
keyswitch.
•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
cuttingdeckandothermovingparts.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.
•Ifweldingonthemachineisnecessary,disconnectthebatterycablesto
preventdamagetotheelectricalsystem.Disconnectthenegativebattery
cableandthenthepositivecable.Disconnectthewireharnessconnector(s)
fromthemachinecontrollerandtheterminalconnectorfromthealternator.
Also,disconnectandremovetheengineECUfromthemachine.
Groundsmaster360Page1–5Safety:SafetyInstructions
16225SLRevC

MaintenanceandService(continued)
•Atthetimeofmanufacture,themachineconformedtothesafetystandards
forridingmowers.T oensuretheoptimumperformanceandcontinued
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(page1–7).
Safety:SafetyInstructionsPage1–6Groundsmaster360
16225SLRevC

JackingInstructions
CAUTION
Failingtoproperlysupportthemachinewithappropriatejackstands
cancausethemachinetomoveorfallandcanresultinpersonal
injury.
Whenchangingtheattachments,tires,orperformingotherservices,
dothefollowingsteps:
•Usecorrectblocks,hoists,andjackstoraiseandsupportthe
machine.
•Parkthemachineonasolidlevelsurface,suchasaconcrete
oor.
•Beforeyouliftthemachine,removealltheattachmentsthatmay
interferewiththesafeandcorrectliftofthemachine.
•Alwaysblockthewheelswithchocks.
•Useappropriatejackstandstosupporttheraisedmachine.
•Donotusethecuttingdeckorimplementasajackingpoint.
RaisingtheFrontoftheMachine
g188106
Figure2
1.Frontaxlepivot2.Fronttire
1.Settheparkingbrakeandblockthe2reartireswithchockstopreventthe
machinefrommoving.
2.Positionthejacksecurelyunderthefrontaxlepivot.
3.Useajacktoraisethefrontofthemachine.
IMPORTANT
Donotsupportthemachineonthefrontsteeringforkorfrontwheel
motors.
4.Afterraisingthefrontofthemachine,useappropriatejackstandsunderthe
frametosupportthefrontofthemachine.
Groundsmaster360Page1–7Safety:JackingInstructions
16225SLRevC

RaisingtheRearoftheMachine
g033708
Figure3
1.Rearframejackingpoint2.Reartire
IMPORTANT
Donotsupportthemachineontherearwheelhubsorwheelmotors.
1.Blockthe2frontwheelswithchockstopreventthemachinefrommoving.
2.Positionthejacksecurelyundertherearframe.
3.Lifttherearwheelsofftheground.
4.Useappropriatejackstandsundertheframetosupporttherearofthe
machine.
SafetyandInstructionalDecals
Numeroussafetyandinstructiondecalsareafxedtothetractionunitand
cuttingunitsofyourGroundsmaster.Ifanydecalbecomesillegibleordamaged,
installanewdecal.DecalpartnumbersarelistedinyourPartsCatalog.Order
replacementdecalsfromAuthorizedT oroDistributor.
Safety:SafetyandInstructionalDecalsPage1–8Groundsmaster360
16225SLRevC

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
Groundsmaster360Page2–1SpecicationsandMaintenance
16225SLRevC

Specications
InsertacopyoftheOperator’sManualsandPartsCatalogsforyourmachineat
theendofthischapter.Additionally,ifanyoptionalequipmentoraccessoriesare
installedtoyourmachine,inserttheInstallationInstructions,Operator’sManuals,
andPartsCatalogsforthoseoptionsattheendofthischapter.
Themaintenanceproceduresandrecommendedserviceintervalsforyour
machinearecoveredintheOperator’sManuals.Refertothispublicationwhen
performingtheregularequipmentmaintenance.
DecimalandMillimeterEquivalents
FractionsDecimalsmmFractionsDecimalsmm
1/640.0156250.39733/640.51562513.097
1/320.031250.79417/320.5312513.494
3/640.0468751.19135/640.54687513.891
1/160.06251.5889/160.562514.288
5/640.0781251.98437/640.57812514.684
3/320.093752.38119/320.5937515.081
7/640.1092752.77839/640.60937515.478
1/80.12503.1755/80.625015.875
9/640.1406253.57241/640.64062516.272
5/320.156253.96921/320.6562516.669
11/640.1718754.36643/640.67187517.066
3/160.18754.76211/160.687517.462
13/640.2031255.15945/640.70312517.859
7/320.218755.55623/320.7187518.256
15/640.2343755.95347/640.73437518.653
1/40.25006.3503/40.750019.050
17/640.2656256.74749/640.76562519.447
9/320.281257.14425/320.7812519.844
19/640.2968757.54151/640.79687520.241
5/160.31257.93813/160.812520.638
21/640.3281258.33453/640.82812521.034
11/320.343758.73127/320.8437521.431
23/640.3593759.12855/640.85937521.828
3/80.37509.5257/80.875022.225
25/640.3906259.92257/640.89062522.622
13/320.4062510.31929/320.9062523.019
27/640.42187510.71659/640.92187523.416
7/160.437511.11215/160.937523.812
29/640.45312511.50961/640.95312524.209
15/320.4687511.90631/320.9687524.606
31/640.48437512.30363/640.98437525.003
1/20.500012.70011.00025.400
1mm=0.03937inch0.001inch=0.0254mm
SpecicationsandMaintenance:SpecicationsPage2–2Groundsmaster360
16225SLRevC

U.S.toMetricConversions
ToConvertIntoMultiplyBy
MilesKilometers1.609
YardsMeters0.914
FeetMeters0.305
FeetCentimeters30.48
InchesMeters0.025
InchesCentimeters2.54
LinearMeasurement
InchesMillimeters25.4
SquareMilesSquareKilometers2.59
SquareFeetSquareMeters0.093
SquareInchesSquareCentimeters6.452
Area
AcreHectare0.405
CubicYardsCubicMeters0.765
CubicFeetCubicMeters0.028
Volume
CubicInchesCubicCentimeters16.39
Tons(Short)MetricTons0.908
PoundsKilograms0.454
Weight
Ounces(Avdp.)Grams28.349
Pounds/Sq.In.Kilopascal6.895
Pressure
Pounds/Sq.In.Bar0.069
Foot-poundsNewton-Meters1.356
Foot-poundsKilogram-Meters0.138
Work
Inch-poundsKilogram-Centimeters1.152
QuartsLiters0.946
LiquidVolume
GallonsLiters3.785
LiquidFlowGallons/MinuteLiters/Minute3.785
TemperatureFahrenheitCelsius1.Subtract32°
2.Multiplyby5/9
Groundsmaster360Page2–3SpecicationsandMaintenance:Specications
16225SLRevC

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
g033768
Figure4
g033769
Figure5
SpecicationsandMaintenance:TorqueSpecicationsPage2–4Groundsmaster360
16225SLRevC