Operator's Manual

InspectingandSharpening
theBlade(s)
ServiceInterval:Beforeeachuseordaily
Every50hours
DANGER
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrowntowardyou
orbystanders,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Donottrytostraightenabladethatisbent.
•Donotweldabrokenorcrackedblade.
•Replaceawornordamagedbladewitha
newTorobladetoensurecontinuedsafety
certicationoftheproduct.
Bothcuttingedgesandthesail,whichistheturned
upportionoppositethecuttingedge,contributetoa
goodquality-of-cut.Thesailisimportantbecauseit
pullsgrassupstraight,therebyproducinganeven
cut.However,thesailwillgraduallyweardown
duringoperation,andthisconditionisnormal.As
thesailwearsdown,thequality-of-cutwilldegrade
somewhat,althoughthecuttingedgesaresharp.
Thecuttingedgeoftheblademustbesharpsothat
thegrassiscutratherthantorn.Adullcuttingedge
isevidentwhenthetipsofthegrassappearbrown
andshredded.Sharpenthecuttingedgestocorrect
thiscondition.
1.Parkthemachineonalevelsurface.Raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,putthePTOleverinthe
OFFposition,shutofftheengine,andremove
thekey.
2.Examinethecuttingendsofthebladecarefully,
especiallywheretheatandcurvedpartsof
theblademeet(Figure32).Sincesandand
abrasivematerialcanwearawaythemetalthat
connectstheatandcurvedpartsoftheblade,
checkthebladebeforeusingthemachine.Ifyou
seewear(Figure32),replacetheblade;referto
RemovingandInstallingtheBlade(s)(page21).
g006530
Figure32
1.Cuttingedge3.Wear/slotforming
2.Curvedarea/sail4.Crack
WARNING
Ifthebladeisallowedtowear,aslot
willformbetweenthesailandatpart
oftheblade(Figure32).Eventually,a
pieceoftheblademaybreakoffandbe
thrownfromunderthehousing,possibly
resultinginseriousinjurytoyourselfor
bystanders.
•Inspectthebladeperiodicallyforwear
ordamage.
•Replaceawornordamagedbladewith
anewTorobladetoensurecontinued
safetycerticationoftheproduct.
3.Examinethecuttingedgesofallblades.
Sharpenthecuttingedgesiftheyaredullor
nicked.Sharpenonlythetopsideofthecutting
edgeandmaintaintheoriginalcuttingangleto
ensuresharpness(Figure33).Thebladewill
remainbalancedifthesameamountofmetalis
removedfrombothcuttingedges.
g000276
Figure33
1.Sharpenatoriginalangle
Note:Removethebladesandsharpenthemon
agrinder;refertoRemovingtheCuttingBlades.
Aftersharpeningthecuttingedges,installthe
bladewiththeanti-scalpcupandbladebolt.The
bladesailsmustbeontopoftheblade.Tighten
thebladeboltto115to149N·m(85to110ft-lb).
22