Toro 74790 - Mower Maintenance; Servicing the Cutting Blades

MowerMaintenance
ServicingtheCutting
Blades
Maintainsharpbladesthroughoutthecuttingseason,
becausesharpbladescutcleanlywithouttearingor
shreddingthegrassblades.T earingandshredding
turnsgrassbrownattheedges,whichslowsgrowth,
andincreasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,and
foranywearordamage.Filedownanynicksand
sharpenthebladesasnecessary.Ifabladeis
damagedorworn,replaceitimmediatelywitha
genuineTororeplacementblade.Forconvenient
sharpeningandreplacement,youmaywanttokeep
extrabladesonhand.
WARNING
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrownintothe
operator'sorbystander'sarea,resultingin
seriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagethe
blade-controlswitch,ensuretheparkingbrakeis
engaged,shutofftheengine,andremovethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily—Check
thecuttingblades.
1.Inspectthecuttingedges(Figure42).
Note:Iftheedgesarenotsharporhave
nicks,removeandsharpentheblades;referto
SharpeningtheBlades(page42).
2.Inspecttheblades,especiallythecurvedarea
(Figure42).
Note:Ifyounoticeanydamage,wear,ora
slotforminginthisarea(item3inFigure42),
immediatelyinstallanewblade.
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Figure42
1.Cuttingedge3.Wear/slotforming
2.Curvedarea
4.Damage
CheckingforBentBlades
Note:Themachinemustbeonalevelsurfacefor
thefollowingprocedure.
1.Raisethemowerdecktothehighest
height-of-cutposition;alsoconsideredthe
'transport'position.
2.Whilewearingthicklypaddedgloves,orother
adequatehandprotection,slowlyrotatethe
bladetobemeasureintoapositionthatallows
effectivemeasurementofthedistancebetween
thecuttingedgeandthelevelsurfacethe
machineison(Figure43).
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Figure43
1.Deck3.Blade
2.Spindlehousing
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