Toro 74923TE - Servicing the Cutting Blades

7.Onbothsidesofthedeck,measurefromthelevel
surfacetothebacktipoftheblade(PostionB).
Themeasurementshouldread8.3cm(31/4inch)
(Figure85).
8.Fine-tunetheadjustmentnutonthefrontdecklift
assemblybyturningit(Figure86).
Note:Toincreasetheheight,turntheadjustmentnut
clockwise;todecrease,turncounterclockwise.
9.Measureuntilallfoursidesandensurethatheightat
eachsideiscorrect.
10.Tightenallthejamnutsonthedeckliftarmassemblies.
11.Lowerdischargechute.
ServicingtheCuttingBlades
Maintainsharpbladesthroughoutthecuttingseasonbecause
sharpbladescutcleanlywithouttearingorshreddingthegrass
blades.Tearingandshreddingturnsgrassbrownattheedges,
whichslowsgrowthandincreasesthechanceofdisease.
Checkthecutterbladesdailyforsharpness,andforany
wearordamage.Filedownanynicksandsharpenthe
bladesasnecessary.Ifabladeisdamagedorworn,replace
itimmediatelywithagenuineTororeplacementblade.For
convenientsharpeningandreplacement,youmaywantto
keepextrabladesonhand.
DANGER
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator's
orbystander'sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe
Blades
Parkthemachineonalevelsurface,disengagetheblade
controlswitch(PTO),andsettheparkingbrake.Turnthe
ignitionkeytoOff.Removethekey.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure89).Iftheedges
arenotsharporhavenicks,removeandsharpenthe
blades;refertoRemovingtheBlades(page57)and
SharpeningtheBlades(page57).
2.Inspecttheblades,especiallythecurvedarea
(Figure89).Ifyounoticeanydamage,wear,oraslot
forminginthisarea(Figure89),immediatelyinstalla
newblade.
Figure89
1.CuttingEdge3.Wear/slotForming
2.CurvedArea4.Crack
CheckingforBentBlades
1.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockedposition
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Rotatethebladesuntiltheendsfaceforwardand
backward(Figure90).
Figure90
1.Measureherefromblade
tohardsurface
2.PositionA
4.Measurefromalevelsurfacetothecuttingedge,
positionA,oftheblades(Figure90).Notethis
dimension.
5.Rotatetheoppositeendsofthebladesforward.
6.Measurefromalevelsurfacetothecuttingedgeof
thebladesatthesamepositionasinstep3above.
Thedifferencebetweenthedimensionsobtainedin
steps3and5mustnotexceed3mm(1/8inch).Ifthis
dimensionexceeds1/8inch(3mm),thebladeisbent
andmustbereplaced;refertoRemovingtheBlades
andInstallingtheBlades.
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