Toro 74830 - Blade Servicing and Deck Alignment; Sharpening Mower Blades; Installing Mower Blades; Mower Deck Leveling

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Figure55
1.SailAreaofBlade3.Curvedwasher
2.Blade4.BladeBolt
SharpeningtheBlades
WARNING
Whensharpeningblade,piecesofbladecouldbe
thrownandcauseseriousinjury.
Wearpropereyeprotectionwhensharpeningblade.
1.Usealetosharpenthecuttingedgeatbothends
oftheblade(Figure56).Maintaintheoriginalangle.
Thebladeretainsitsbalanceifthesameamountof
materialisremovedfrombothcuttingedges.
Figure56
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitona
bladebalancer(Figure57).Ifthebladestaysina
horizontalposition,thebladeisbalancedandcanbe
used.Ifthebladeisnotbalanced,lesomemetaloff
theendofthesailareaonly(Figure55).Repeatthis
procedureuntilthebladeisbalanced.
Figure57
1.Blade2.Balancer
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure55).
Important:Thecurvedpartoftheblademust
bepointingupwardtowardtheinsideofthe
mowertoensurepropercutting.
2.Installthespringdiskandbladebolt.Thespring
diskconemustbeinstalledtowardthebolthead
(
Figure55).Torquethebladeboltto100-110ft-lb
(135-150N-m).
MowerDeckLeveling
Checktoensurethemowerdeckislevelanytimeyou
installthemowerorwhenyouseeanunevencuton
yourlawn.
Themowerdeckmustbecheckedforbentblades
priortoleveling;anybentbladesmustberemoved
andreplaced.RefertotheCheckingforBentBlades
procedurebeforecontinuing.
Themowerdeckmustbeleveledside-to-siderstthen
thefronttorearslopecanbeadjusted.
Requirements:
•Themachinemustbeonalevelsurface.
•Allfourtiremustbeproperlyinated.Referto
CheckingtheTirePressureintheDriveSystem
Maintenancesection.
CheckingSide-to-SideLevel
Themowerbladesmustbelevelfromsidetoside.
Checktheside-to-sidelevelanytimeyouinstallthe
mowerorwhenyouseeanunevencutonyourlawn.
1.Parkthemachineonalevelsurfaceanddisengage
thebladecontrolswitch.
2.Movethemotioncontrolleversoutwardtothe
neutrallockposition,stoptheengine,removethe
key,andwaitforallmovingpartstostopbefore
leavingtheoperatingposition.
3.Carefullyrotatethebladessidetoside.
4.Measurebetweentheoutsidecuttingedgesand
theatsurface(Figure58).Ifbothmeasurements
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