Toro 74637 - Blade Servicing; Sharpening Mower Blades; Removing and Installing Mower Blades

G014973
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2
3
Figure44
1.Oppositebladeedge(inpositionformeasuring)
2.Levelsurface
3.Secondmeasureddistancebetweenbladeandsurface(B)
A.IfthedifferencebetweenAandBisgreaterthan
3mm(1/8inch),replacethebladewithanew
blade;refertoRemovingtheBlades(page33)and
InstallingtheBlades(page33).
Note:Ifabentbladeisreplacedwithanewone,
andthedimensionobtainedcontinuestoexceed3
mm(1/8inch),thebladespindlecouldbebent.
ContactanAuthorizedToroDealerforservice.
B.Ifthevarianceiswithinconstraints,movetothe
nextblade.
Repeatthisprocedureoneachblade.
RemovingtheBlades
Thebladesmustbereplacedifasolidobjectishit,ifthe
bladeisoutofbalance,orifthebladeisbent.Toensure
optimumperformanceandcontinuedsafetyconformance
ofthemachine,usegenuineTororeplacementblades.
Replacementbladesmadebyothermanufacturersmayresult
innon-conformancewithsafetystandards.
1.Holdthebladeendusingaragorthickly-paddedglove.
2.Removethebladebolt,thecurvedwasher,theblade
stiffener,andthebladefromthespindleshaft(Figure
45).
Figure45
1.Sailareaoftheblade
4.Bladebolt
2.Blade
5.Bladestiffener(42-inch
decksonly)
3.Curvedwasher
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothendsof
theblade(Figure46).
Note:Maintaintheoriginalangle.
Note:Thebladeretainsitsbalanceifthesameamount
ofmaterialisremovedfrombothcuttingedges.
Figure46
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitonablade
balancer(
Figure47).
Note:Ifthebladestaysinahorizontalposition,the
bladeisbalanced,andcanbeused.
Note:Ifthebladeisnotbalanced,lesomemetaloff
theendofthesailareaonly(
Figure46).
Figure47
1.Blade2.Balancer
3.Repeatthisprocedureuntilthebladeisbalanced.
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure45).
Important:Thecurvedpartoftheblademustbe
pointingupwardtowardtheinsideofthemowerto
ensurepropercutting.
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