Toro 74721 - Installing the Blades; Leveling the Mower Deck; Leveling from Side to Side

g000553
Figure52
1.Blade2.Balancer
3.Repeatthisprocedureuntilthebladeis
balanced.
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure
50).
Important:Thecurvedpartoftheblade
mustpointupwardtowardtheinsideofthe
mowertoensurepropercutting.
2.Installthecurvedwasher(cuppedsidetoward
theblade)andthebladebolt(Figure50).
3.Torquethebladeboltto47to88N∙m(35to65
ft-lb).
LevelingtheMowerDeck
Checktoensurethatthemowerdeckislevelanytime
youinstallthemowerorwhenyouseeanunevencut
onyourlawn.
Checkthemowerdeckforbentbladespriorto
leveling,andremoveandreplaceanybentblades;
refertotheCheckingforBentBlades(page37)before
continuing.
Levelthemowerdeckside-to-siderst;thenyoucan
adjustthefront-to-rearslope.
Requirements:
•Themachinemustbeonalevelsurface.
•Alltiresmustbeproperlyinated;refertoChecking
theTirePressure(page35).
LevelingfromSidetoSide
1.Parkthemachineonalevelsurfaceand
disengagetheblade-controlswitch.
2.Movethemotion-controlleversoutwardtothe
PARKposition,shutofftheengine,removethe
key,andwaitforallmovingpartstostopbefore
leavingtheoperatingposition.
3.Settheheight-of-cutlevertomiddleposition.
4.Carefullyrotatethebladessothattheyareall
sidetoside(Figure53andFigure54).
g009682
Figure53
MowerDeckswith2Blades
1.Bladessidetoside
3.Outsidecuttingedges
2.Sailareaofblade4.Measurefromthetipofthe
bladetotheatsurface
here
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Figure54
MowerDeckswith3Blades
1.Bladessidetoside
3.Outsidecuttingedges
2.Sailareaofblade4.Measurefromthetipofthe
bladetotheatsurface
here
5.Measurebetweentheoutsidecuttingedgesand
theatsurface(Figure53andFigure54).
Note:Ifbothmeasurementsarenotwithin
5mm(3/16inch),anadjustmentisrequired;
continuewiththisprocedure.
6.Movetotheleftsideofthemachine.
7.Loosenthesidelockingnut.
8.Raiseorlowertheleftsideofthemowerdeck
byrotatingtherearnut(Figure55).
Note:Rotatetherearnutclockwiseto
raisethemowerdeck;rotatetherearnut
counter-clockwisetolowerthemowerdeck.
(Figure55).
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