Toro 74310 - Page 51

Figure67
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitonablade
balancer(Figure68).Ifthebladestaysinahorizontal
position,thebladeisbalancedandcanbeused.Ifthe
bladeisnotbalanced,lesomemetalofftheendof
thesailareaonly.Repeatthisprocedureuntiltheblade
isbalanced.
Figure68
1.Blade2.Balancer
InstallingtheBlades
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
Note:Ensuretheredcoloredbladeisinstalledonthe
right-handside.
1.Installthebladedrivertothenewbladeswiththeshear
boltsandlocknuts(Figure66).
2.Torquetheshearboltsto80-100in-lb(922-1130
N-cm).
Note:Theblade-driveratsmustbealignedwith
theatsontheshaftwheninstallingthebladeonthe
mowerdeck.
3.Installtheblade,washer,andbladebolttothespindle
shaft(Figure66).
4.Torquethebladeboltto85-110ft-lb(115-149N-m).
5.Lowerthemowerdecktotheoperatingposition.
RefertoLoweringtheMowerDecktotheOperating
Position(page21).
WARNING
Operatingamowerdeckwithlooseor
weakenedbladeboltscanbedangerous.A
looseorweakenedbladeboltcouldallowa
bladerotatingatahighspeedtocomeout
fromunderthemowerdeck,causingserious
injuryorpropertydamage.
•Replacethebladeboltafterstrikinga
foreignobject.
•UseonlygenuineTororeplacementparts.
•Donotlubricatethethreadsoftheboltor
spindlebeforeassembly.
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