Toro Z Master 74927 - Servicing the Cutting Blades

ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseasonbecause
sharpbladescutcleanlywithouttearingorshreddingthegrass
blades.Tearingandshreddingturnsgrassbrownattheedges,
whichslowsgrowthandincreasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,replace
itimmediatelywithagenuineTororeplacementblade.For
convenientsharpeningandreplacement,youmaywantto
keepextrabladesonhand.
DANGER
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator's
orbystander'sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagetheblade
controlswitch(PTO),andsettheparkingbrake.Turnthe
ignitionkeytoOff.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(
Figure93).Iftheedges
arenotsharporhavenicks,removeandsharpenthe
blades.RefertoSharpeningtheBlades.
2.Inspecttheblades,especiallythecurvedarea
(Figure93).Ifyounoticeanydamage,wear,oraslot
forminginthisarea(Figure93),immediatelyinstalla
newblade.
Figure93
1.CuttingEdge3.Wear/slotForming
2.CurvedArea4.Crack
CheckingforBentBlades
1.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockedposition
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Rotatethebladesuntiltheendsfaceforwardand
backward(Figure94).Measurefromalevelsurfaceto
thecuttingedge,positionA,oftheblades(Figure94).
Notethisdimension.
Figure94
1.Measureherefromblade
tohardsurface
2.PositionA
4.Rotatetheoppositeendsofthebladesforward.
5.Measurefromalevelsurfacetothecuttingedgeof
thebladesatthesamepositionasinstep3above.
Thedifferencebetweenthedimensionsobtainedin
steps3and4mustnotexceed1/8inch(3mm).Ifthis
dimensionexceeds1/8inch(3mm),thebladeisbent
andmustbereplaced;refertoRemovingtheBlades
andInstallingtheBlades.
WARNING
Abladethatisbentordamagedcouldbreak
apartandcouldseriouslyinjureorkillyouor
bystanders.
•Alwaysreplacebentordamagedblade
withanewblade.
•Neverleorcreatesharpnotchesinthe
edgesorsurfacesofblade.
RemovingtheBlades
Bladesmustbereplacedifasolidobjectishit,ifthebladeis
outofbalanceorisbent.Toensureoptimumperformance
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