Toro 74390 - Mower Maintenance; Servicing the Cutting Blades

MowerMaintenance
ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseasonbecause
sharpbladescutcleanlywithouttearingorshreddingthegrass
blades.Tearingandshreddingturnsgrassbrownattheedges,
whichslowsgrowthandincreasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,replace
itimmediatelywithagenuineTororeplacementblade.For
convenientsharpeningandreplacement,youmaywantto
keepextrabladesonhand.
WARNING
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator's
orbystander'sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagetheblade
controlswitch,andmovethemotioncontrolleversoutward
totheparkposition.Stoptheengineandremovethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily—Checkthe
cuttingblades.
1.Inspectthecuttingedges(
).Iftheedgesarenotsharp
orhavenicks,removeandsharpentheblades;refer
toSharpeningtheBlades.
2.Inspecttheblades,especiallythecurvedarea().Ifyou
noticeanydamage,wear,oraslotforminginthisarea
(item3in),immediatelyinstallanewblade.
Figure44
1.Cuttingedge3.Wear/slotforming
2.Curvedarea
4.Damage
CheckingforBentBlades
Note:Themachinemustbeonalevelsurfaceforthe
followingprocedure.
1.Raisethemowerdecktothehighestheight-of-cut
position;alsoconsideredthe'transport'position.
2.Whilewearingthicklypaddedglovesorotheradequate
handprotectionslowlyrotatebladetobemeasured
intoapositionthatallowseffectivemeasurementof
thedistancebetweenthecuttingedgeandthelevel
surfacethemachineison.
G014972
1
2
3
Figure45
1.Deck3.Blade
2.Spindlehousing
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