Toro 74310 User Manual

RemovingtheBlades
Replacethebladesiftheyhitasolidobject,orifthe
bladeisoutofbalanceorbent.
Note:Makenoteofthered-coloredbladeposition.
Fromthenormaluserposition,itislocatedonthe
rightside.
1.Liftthemowerdeckandsecureintheraised
position.RefertoRaisingtheMowerDeckinto
theServicePosition(page16).
2.Holdthebladeendusingaragorthicklypadded
glove.
3.Removetheblade,washer,andbladeboltthat
securesthebladeandbladedriver(Figure74).
g007578
Figure74
1.Bladebolt4.Bladedriver
2.Washer5.Locknuts
3.Shearbolts
4.Removethebladedriverfromtheexistingblade
(Figure74).
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatboth
endsoftheblade(Figure75).
Note:Maintaintheoriginalangle.
Note:Thebladeretainsitsbalanceifthesame
amountofmaterialisremovedfrombothcutting
edges.
g000552
Figure75
1.Sharpenatoriginalangle.
2.Checkthebalanceofthebladebyputtingitona
bladebalancer(Figure76).
Note:Ifthebladestaysinahorizontalposition,
thebladeisbalancedandcanbeused.
Note:Ifthebladeisnotbalanced,lesome
metalofftheendofthesailareaonly(Figure75).
g000553
Figure76
1.Blade2.Balancer
3.Repeatthisprocedureuntilthebladeis
balanced.
InstallingtheBlades
Note:Ensurethatyouinstallthered-coloredblade
ontherightside.
1.Installthebladedrivertothenewbladeswith
theshearboltsandlocknuts(Figure74).
2.Torquetheshearboltsto922to1130N∙m(80
to100in-lb).
Note:Aligntheblade-driveratswiththeats
ontheshaftwheninstallingthebladeonthe
mowerdeck.
3.Installtheblade,washer,andbladebolttothe
spindleshaft(Figure74).
4.Torquethebladeboltto115to149N∙m(85-110
ft-lb).
5.Lowerthemowerdecktotheoperatingposition.
RefertoLoweringtheMowerDecktothe
OperatingPosition(page16).
WARNING
Operatingamowerdeckwithlooseor
weakenedbladeboltscanbedangerous.
Alooseorweakenedbladeboltcould
allowabladerotatingatahighspeed
tocomeoutfromunderthemower
deck,causingseriousinjuryorproperty
damage.
•Replacethebladeboltafterstrikinga
foreignobject.
•UseonlygenuineTororeplacement
parts.
•Donotlubricatethethreadsofthe
boltorspindlebeforeassembly.
58

Toro 74310 Specifications

General

Brand	Toro
Model	74310
Category	Lawn Mower
Language	English