Toro 74388 - Removing the Blades

G009680
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Figure45
1.Opposingbladeedge,inpositionformeasuring
2.Levelsurface
3.Secondmeasureddistancebetweenbladeandsurface(B)
WARNING
Abladethatisbentordamagedcouldbreak
apartandcouldseriouslyinjureorkillyouor
bystanders.
•Alwaysreplacebentordamagedblade
withanewblade.
•Neverleorcreatesharpnotchesinthe
edgesorsurfacesofblade.
A.IfthedifferencebetweenAandBisgreater
than1/8inch(3mm)replacethebladewitha
newblade.RefertoRemovingtheBladesand
InstallingtheBlades.
Note:Ifabentbladeisreplacedwithanewone
andthedimensionobtainedcontinuestoexceed
1/8inch(3mm),thebladespindlecouldbebent.
ContactanAuthorizedToroDealerforservice.
B.Ifthevarianceiswithinconstraints,movetothe
nextblade.
Repeatthisprocedureoneachblade.
RemovingtheBlades
Thebladesmustbereplacedifasolidobjectishit,ifthe
bladeisoutofbalance,orthebladeisbent.Toensure
optimumperformanceandcontinuedsafetyconformance
ofthemachine,usegenuineTororeplacementblades.
Replacementbladesmadebyothermanufacturersmayresult
innon-conformancewithsafetystandards.
Holdthebladeendusingaragorthickly-paddedglove.
Removethebladebolt(rotatingitcounter-clockwise),curved
washer,bladestiffener,andbladefromthespindleshaft
(
Figure46).
G015292
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Figure46
1.Sailareaofblade
4.Bladebolt
2.Blade
5.Bladestiffener
3.Curvedwasher
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothendsof
theblade(Figure47).Maintaintheoriginalangle.The
bladeretainsitsbalanceifthesameamountofmaterial
isremovedfrombothcuttingedges.
Figure47
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitonablade
balancer(Figure48).Ifthebladestaysinahorizontal
position,thebladeisbalancedandcanbeused.Ifthe
bladeisnotbalanced,lesomemetalofftheendof
thesailareaonly(Figure47).Repeatthisprocedure
untilthebladeisbalanced.
Figure48
1.Blade2.Balancer
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure46).
Important:Thecurvedpartoftheblademustbe
pointingupwardtowardtheinsideofthemowerto
ensurepropercutting.
2.Installthebladestiffener,thecurvedwasher(cupped
sidetowardtheblade)andthebladebolt(rotatingit
clockwise)(Figure46).
3.Torquethebladeboltto35-65ft-lb(47-88N-m).
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