Toro 74410 - Blade Inspection and Removal

Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrownintothe
operator’sorbystander’sarea,resultingin
seriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
Inspectandcheckthebladesevery8hours.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagetheblade
control(PTO),andsettheparkingbrake.Turnthe
ignitionkeytoOff.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure64).Iftheedges
arenotsharporhavenicks,removeandsharpenthe
blades.RefertoSharpeningtheBlades.
2.Inspecttheblades,especiallythecurvedarea
(Figure64).Ifyounoticeanydamage,wear,oraslot
forminginthisarea(Figure64),immediatelyinstalla
newblade.
Figure64
1.CuttingEdge3.Wear/slotForming
2.CurvedArea
CheckingforBentBlades
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Rotatethebladesuntiltheendsfaceforwardand
backward(Figure65).Measurefromalevelsurface
tothecuttingedge,positionA,oftheblades
(Figure65).Notethisdimension.
Figure65
1.Measureherefromblade
tohardsurface
2.PositionA
4.Rotatetheoppositeendsofthebladesforward.
5.Measurefromalevelsurfacetothecuttingedgeof
thebladesatthesamepositionasinstep3above.
Thedifferencebetweenthedimensionsobtainedin
steps3and4mustnotexceed1/8inch(3mm).If
thisdimensionexceeds1/8inch(3mm),theblade
isbentandmustbereplaced;refertoRemovingthe
BladesandInstallingtheBlades.
Abladethatisbentordamagedcouldbreak
apartandcouldseriouslyinjureorkillyouor
bystanders.
•Alwaysreplacebentordamagedbladewith
anewblade.
•Neverleorcreatesharpnotchesinthe
edgesorsurfacesofblade.
RemovingtheBlades
Bladesmustbereplacedifasolidobjectishit,ifthe
bladeisoutofbalanceorisbent.Toensureoptimum
performanceandcontinuedsafetyconformanceof
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