Toro 74991 - Servicing the Cutting Blades; Before Inspecting or Servicing the Blades; Inspecting the Blades; Checking for Bent Blades

Thiswillregainsomeup-and-downadjustment
oneachofthe4decklinks.
g017036
Figure98
1.Singlepointadjustmentbolt
14.Tightenthe2boltsatthebottomofthe
height-of-cutplate(Figure97).Torquethemto
37to45N-m(27to33ft-lb).
Note:Inmostconditions,thebackbladetip
shouldbeadjusted6.4mm(1/4inch)higher
thanthefront.
15.Onbothsidesofthedeck,measurefromthe
levelsurfacetothebacktipoftheblade(Postion
B).Themeasurementshouldread8.3cm(3-1/4
inches);refertoFigure95.
16.Fine-tunetheadjusterscrewbyturningittoget
8.3mm(3-1/4inches)height(Figure96).
Toincreasetheheight,turntheadjustmentnut
clockwise;todecreasetheheight,turnthenut
counterclockwise.
17.Measureuntilall4sidesarethecorrectheight.
Tightenallthejamnutsonthedeck-liftarm
assemblies.
18.Lowerthedischargechute.
ServicingtheCutting
Blades
Maintainsharpbladesthroughoutthecuttingseason,
becausesharpbladescutcleanlywithouttearingor
shreddingthegrassblades.T earingandshredding
turnsgrassbrownattheedges,whichslowsgrowth
andincreasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,and
foranywearordamage.Filedownanynicksand
sharpenthebladesasnecessary.Ifabladeis
damagedorworn,replaceitimmediatelywitha
genuineTororeplacementblade.Forconvenient
sharpeningandreplacement,youmaywanttokeep
extrabladesonhand.
DANGER
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrownintothe
operator'sorbystander'sarea,resultingin
seriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagethe
blade-controlswitch(PTO),andsettheparkingbrake.
TurntheignitionkeytoOff.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure99).Ifthe
edgesarenotsharporhavenicks,removeand
sharpentheblades.RefertoSharpeningthe
Blades.
2.Inspecttheblades,especiallythecurvedarea
(Figure99).Ifyounoticeanydamage,wear,ora
slotforminginthisarea(Figure99),immediately
installanewblade.
g006530
Figure99
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
CheckingforBentBlades
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheneutral-locked
positionandsettheparkingbrake.
2.Stoptheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
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