Toro 30403 - Removing and Installing the Blade(S); Inspecting and Sharpening the Blade(S)

G010549
Figure26
3.Rotatetheoppositeendofthebladeforward.
Measurebetweenthecuttingunitandcuttingedge
ofthebladeatthesamepositionasinstep2The
differencebetweenthedimensionsobtainedinsteps
2and3mustnotexceed1/8inch(3mm).Ifthe
dimensionexceeds1/8inch(3mm),replacethe
bladebecauseitisbent;refertoRemovingthe
CuttingBlade.
RemovingandInstallingthe
Blade(s)
Theblademustbereplacedifasolidobjectishit,the
bladeisout-of-balance,worn,orbent.Alwaysuse
genuineTororeplacementbladestoensuresafetyand
optimumperformance.Neverusebladesmadebyother
manufacturersbecausetheycouldbedangerous.
1.Raisethecuttingunittothehighestposition,engage
theparkingbrake,stoptheengine,andremovethe
ignitionkey.Blockthecuttingunittopreventitfrom
accidentallyfalling.
2.Grasptheendofthebladeusingaragorthickly
paddedglove.Removethebladebolt,anti-scalpcup,
andbladefromthespindleshaft(
Figure27).
G010555
1
2
Figure27
1.Bladebolt2.Anti-scalpcup
3.Installtheblade-sailfacingtowardthecutting
unit-withtheanti-scalpcupandbladebolt.Tighten
thebladeboltto85-110ft-lb(115-149N-m).
Important:Thecurvedpartoftheblademust
bepointingtowardtheinsideofthecuttingunit
toensurepropercutting.
InspectingandSharpeningthe
Blade(s)
DANGER
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator’s
orbystander’sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Donottrytostraightenabladethatisbent.
•Neverweldabrokenorcrackedblade.
•Replaceawornordamagedbladewitha
newTorobladetoensurecontinuedsafety
certicationoftheproduct.
Twoareasmustbeconsideredwhencheckingand
servicingthecuttingblade:thesailandthecuttingedge.
Bothcuttingedgesandthesail,whichistheturnedup
portionoppositethecuttingedge,contributetoagood
quality-of-cut.Thesailisimportantbecauseitpullsgrass
upstraight,therebyproducinganevencut.However,
thesailwillgraduallyweardownduringoperation,and
thisconditionisnormal.Asthesailwearsdown,the
quality-of-cutwilldegradesomewhat,althoughthe
cuttingedgesaresharp.Thecuttingedgeoftheblade
mustbesharpsothatthegrassiscutratherthantorn.
Adullcuttingedgeisevidentwhenthetipsofthegrass
appearbrownandshredded.Sharpenthecuttingedges
tocorrectthiscondition.
1.Positionthemachineonalevelsurface.Raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,putthePTOleverin
theOffposition,stoptheengine,andremovethe
ignitionkey.
2.Examinethecuttingendsofthebladecarefully,
especiallywheretheatandcurvedpartsofthe
blademeet(
Figure28).Sincesandandabrasive
materialcanwearawaythemetalthatconnects
theatandcurvedpartsoftheblade,checkthe
bladebeforeusingthemachine.Ifwearisnoticed
(
Figure28),replacetheblade;refertoRemovingthe
CuttingBlade.
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