Toro 30413 - Inspecting and Sharpening the Cutter Blade(S)

2.Grasptheendofthebladeusingaragorthickly
paddedglove.Removethebladebolt,anti-scalpcup,
andbladefromthespindleshaft(Figure83).
3.Installtheblade,anti-scalpcup,andbladebolt.
Tightenthebladeboltto85to110ft-lb(115to149
N⋅m).
Important:Thecurvedpartoftheblademust
bepointingtowardtheinsideofthecuttingunit
toensurepropercutting.
Note:Afterstrikingaforeignobject,torqueallthe
spindlepulleynutsto130to150ft-lb(176to203
N⋅m).
Figure83
1.Bladebolt2.Anti-scalpcup
InspectingandSharpeningthe
CutterBlade(s)
Awornordamagedbladecanbreak,and
apieceofthebladecouldbethrowninto
theoperator’sorbystander’sarea,resulting
inseriouspersonalinjuryordeath.Trying
torepairadamagedblademayresultin
discontinuedsafetycerticationoftheproduct.
•Inspectthebladeperiodicallyforwearor
damage.
•Nevertrytostraightenabladethatisbent
orweldabrokenorcrackedblade.
•Replaceawornordamagedblade.
Twoareasmustbeconsideredwhencheckingand
servicingthecutterblade-thesailandthecuttingedge.
Bothcuttingedgesandthesail,whichistheturned
upportionoppositethecuttingedge,contributetoa
goodquality-of-cut.Thesailisimportantbecauseit
liftsthegrassupstraight,therebyproducinganeven
cut.However,thesailwillgraduallyweardownduring
operation,andthisconditionisnormal.Asthesail
wearsdown,thequality-of-cutwilldegradesomewhat,
althoughthecuttingedgesaresharp.Thecuttingedge
oftheblademustbesharpsothatthegrassiscutrather
thantorn.Adullcuttingedgeisevidentwhenthetips
ofthegrassappearbrownandshredded.Sharpenthe
cuttingedgestocorrectthiscondition.
1.Positionthemachineonalevelsurface.Raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,putthePTOleverin
theOffposition,stoptheengine,andremovethe
ignitionkey.
2.Examinethecuttingendsofthebladecarefully,
especiallywheretheatandcurvedpartsofthe
blademeet(Figure84).Sincesandandabrasive
materialcanwearawaythemetalthatconnects
theatandcurvedpartsoftheblade,checkthe
bladebeforeusingthemower.Ifwearisnoticed
(Figure84),replacetheblade.
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