Toro 74274 - Mower Deck Maintenance; Servicing the Cutting Blades; Checking for Bent Blades

2.Checkthedistancebetweenthetwolargewashers,it
needstobe11-1/2inches(29.2cm)(Figure75).
3.Adjustthisdistance,bylooseningthespringjam
nutandturningthenutinfrontofeachspring
(Figure75).Turningthenutclockwisewillshorten
thespring;counter-clockwisewilllengthenthe
spring.
4.Lockthenutintopositionbytighteningthespring
jamnut(Figure75).
Figure75
1.11–1/2inch(29.2cm)
betweenthelargewashers
5.Swiveljamnut
2.Frontnut
6.Liftnut
3.Springjamnut
7.Frontsupportarm
4.Frontswivel8.Largewasher
ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseason
becausesharpbladescutcleanlywithouttearingor
shreddingthegrassblades.Tearingandshreddingturns
grassbrownattheedges,whichslowsgrowthand
increasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,
replaceitimmediatelywithagenuineTororeplacement
blade.Forconvenientsharpeningandreplacement,you
maywanttokeepextrabladesonhand.
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrownintothe
operator’sorbystander’sarea,resultingin
seriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
Inspectandcheckthebladesevery8hours.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagetheblade
control(PTO),andsettheparkingbrake.Turnthe
ignitionkeytoOff.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure76).Iftheedges
arenotsharporhavenicks,removeandsharpenthe
blades.RefertoSharpeningtheBlades.
2.Inspecttheblades,especiallythecurvedarea
(Figure76).Ifyounoticeanydamage,wear,oraslot
forminginthisarea(Figure76),immediatelyinstalla
newblade.
Figure76
1.CuttingEdge3.Wear/slotforming
2.CurvedArea4.Crackforming
CheckingforBentBlades
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Rotatethebladesuntiltheendsfaceforwardand
backward(Figure77).Measurefromalevelsurface
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