Toro 74920 - Mower Deck Maintenance: Blades; Servicing the Cutting Blades; Checking for Bent Blades

MowerDeck
Maintenance
ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseason
becausesharpbladescutcleanlywithouttearingor
shreddingthegrassblades.Tearingandshreddingturns
grassbrownattheedges,whichslowsgrowthand
increasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,
replaceitimmediatelywithagenuineTororeplacement
blade.Forconvenientsharpeningandreplacement,you
maywanttokeepextrabladesonhand.
WARNING
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator's
orbystander'sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagetheblade
controlswitch(PTO),andsettheparkingbrake.Turn
theignitionkeytoOff.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure61).Iftheedges
arenotsharporhavenicks,removeandsharpenthe
blades.RefertoSharpeningtheBlades.
2.Inspecttheblades,especiallythecurvedarea
(Figure61).Ifyounoticeanydamage,wear,oraslot
forminginthisarea(Figure61),immediatelyinstalla
newblade.
Figure61
1.CuttingEdge3.Wear/slotForming
2.CurvedArea4.Crack
CheckingforBentBlades
Note:Themachinemustbeonalevelsurfaceforthe
followingprocedure.
1.Raisethemowerdecktothehighestheight-of-cut
position;alsoconsideredthe'transport'position.
2.Whilewearingthicklypaddedglovesorother
adequatehandprotectionslowlyrotatebladeto
bemeasuredintoapositionthatallowseffective
measurementofthedistancebetweenthecutting
edgeandthelevelsurfacethemachineison.
G014972
1
2
3
Figure62
1.Deck3.Blade
2.Spindlehousing
3.Measurefromthetipofthebladetotheatsurface
here.
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