Toro 74312 - Servicing the Cutting Blades

Note:Thefrontpinsarethreadintothemower
deckandhaveajamnut.Therearpinshavea
rodendthreadedintothemwithajamnut.
ServicingtheCutting
Blades
Toensureasuperiorqualityofcut,keeptheblades
sharp.Forconvenientsharpeningandreplacement,
youmaywanttokeepextrabladesonhand.
DANGER
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrownatyou
orbystanders,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BladeSafety
Awornordamagedbladecanbreak,andapieceof
thebladecouldbethrowntowardyouorbystanders,
resultinginseriouspersonalinjuryordeath.Tryingto
repairadamagedblademayresultindiscontinued
safetycerticationoftheproduct.
•Inspectthebladesperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
BeforeInspectingorServicingthe
Blades
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.TurntheignitionkeytotheOFFposition.
3.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Liftthemowerdeckandsecureitintheraised
position.RefertoRaisingtheMowerDeckinto
theServicePosition(page17).
2.Inspectthecuttingedges(Figure62).
3.Iftheedgesarenotsharporhavenicks,remove
andsharpentheblades;refertoSharpeningthe
Blades(page57).
4.Inspecttheblades,especiallythecurvedarea
(Figure62).
5.Ifyounoticeanydamage,wear,oraslotforming
inthisarea(Figure62),immediatelyinstalla
newblade.
g006530
Figure62
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
6.Lowerthemowerdeckintooperatingposition;
refertoLoweringtheMowerDecktothe
OperatingPosition(page18).
CheckingforBentBlades
1.Movethespeed-controllevertotheNEUTRAL
positiontostopthemachine.
2.DisengagethePTO,engagetheparkingbrake,
shutofftheengine,andwaitforallmovingparts
tostop.
3.Rotate1bladeasshowninFigure63.
4.Measurefromalevelsurfacetothecuttingedge
atpositionAoftheblade(Figure63).Notethis
dimension.
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