Toro Groundsmaster 5910 Series - Torque Specifications

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.
Groundsmaster
®
5900&5910
Page2–7
SpecicationsandMaintenance:TorqueSpecications
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