Toro 74991 - Removing the Blades; Sharpening the Blades

3.Rotatethebladesuntiltheendsfaceforward
andbackward(Figure100).Measurefroma
levelsurfacetothecuttingedge,positionA,of
theblades(Figure100).Notethisdimension.
g000975
Figure100
1.Measureherefromblade
tohardsurface
2.PositionA
4.Rotatetheoppositeendsofthebladesforward.
5.Measurefromalevelsurfacetothecuttingedge
ofthebladesatthesamepositionasinstep3
above.Thedifferencebetweenthedimensions
obtainedinsteps3and4mustnotexceed
1/8inch(3mm).Ifthisdimensionexceeds
1/8inch(3mm),thebladeisbentandmust
bereplaced;refertoRemovingtheBladesand
InstallingtheBlades.
WARNING
Abladethatisbentordamagedcould
breakapartandcouldseriouslyinjureor
killyouorbystanders.
•Alwaysreplacebentordamaged
bladewithanewblade.
•Neverleorcreatesharpnotchesin
theedgesorsurfacesofblade.
RemovingtheBlades
Bladesmustbereplacedifasolidobjectishit,ifthe
bladeisoutofbalanceorisbent.Toensureoptimum
performanceandcontinuedsafetyconformanceof
themachine,usegenuineT ororeplacementblades.
Replacementbladesmadebyothermanufacturers
mayresultinnon-conformancewithsafetystandards.
1.Holdthebladeendusingaragorthickly-padded
glove.
2.Removethebladebolt,curvedwasher,and
bladefromthespindleshaft(Figure101).
g004536
Figure101
1.Sailareaofblade3.Curvedwasher
2.Blade4.Bladebolt
SharpeningtheBlades
WARNING
Whensharpeningblades,piecesofablade
couldbethrownandcauseseriousinjury.
Wearpropereyeprotectionwhensharpening
blades.
1.Usealetosharpenthecuttingedgeatboth
endsoftheblade(Figure102).Maintainthe
originalangle.Thebladeretainsitsbalanceif
thesameamountofmaterialisremovedfrom
bothcuttingedges.
g000276
Figure102
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitona
bladebalancer(Figure103).Ifthebladestays
inahorizontalposition,thebladeisbalanced
andcanbeused.Ifthebladeisnotbalanced,
lesomemetalofftheendofthesailareaonly
(Figure104).Repeatthisprocedureuntilthe
bladeisbalanced.
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