Toro TimeCutter Z5020 74372 - Blade Replacement and Mower Leveling; Removing and Installing Blades; Leveling Mower Side-to-Side

RemovingtheBlades
Thebladesmustbereplacedifasolidobjectishit,
ifthebladeisoutofbalance,orthebladeisbent.
Toensureoptimumperformanceandcontinued
safetyconformanceofthemachine,usegenuineToro
replacementblades.Replacementbladesmadebyother
manufacturersmayresultinnon-conformancewith
safetystandards.
Holdthebladeendusingaragorthickly-paddedglove.
Removethebladebolt,curvedwasher,bladestiffener,
andbladefromthespindleshaft(Figure36).
Figure36
1.Sailareaofblade
4.Bladebolt
2.Blade
5.Bladestiffener
3.Curvedwasher
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothends
oftheblade(Figure37).Maintaintheoriginalangle.
Thebladeretainsitsbalanceifthesameamountof
materialisremovedfrombothcuttingedges.
Figure37
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitona
bladebalancer(Figure38).Ifthebladestaysina
horizontalposition,thebladeisbalancedandcanbe
used.Ifthebladeisnotbalanced,lesomemetaloff
theendofthesailareaonly(Figure37).Repeatthis
procedureuntilthebladeisbalanced.
Figure38
1.Blade2.Balancer
InstallingtheBlades
1.Installthebladeontothespindleshaft(Figure36).
Important:Thecurvedpartoftheblademust
bepointingupwardtowardtheinsideofthe
mowertoensurepropercutting.
2.Installthebladestiffener,thecurvedwasher(cupped
sidetowardtheblade)andthebladebolt(Figure36).
3.Torquethebladeboltto65-75ft-lb(88-101N⋅m).
LevelingtheMowerfrom
Side-to-Side
Themowerbladesmustbelevelfromsidetoside.
Checktheside-to-sidelevelanytimeyouinstallthe
mowerorwhenyouseeanunevencutonyourlawn.
1.Parkthemachineonalevelsurfaceanddisengage
thebladecontrolswitch.
2.Movethemotioncontrolleverstothebrakeposition,
stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Checktheairpressureofallfourtires.Ifneeded,
adjusttotherecommendedination;referto
CheckingtheTirePressureinDriveSystem
Maintenance,page31.
4.Settheheight-of-cutlevertoposition3
[3inch(76mm)].
5.Carefullyrotatetheblade(s)sidetoside(Figure39).
Measurebetweentheoutsidecuttingedgesand
theatsurface(Figure39).Ifbothmeasurements
arenotwithin3/16inch(5mm),anadjustmentis
required;continuewiththisprocedure.
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