Toro Titan Z5200 74814 - Mower Maintenance; Servicing the Cutting Blades

Figure38
1.Cuttingedge3.Wear/slotforming
2.Curvedarea
CheckingforBentBlades
1.Rotatethebladesuntiltheendsfaceforward
andbackward(Figure39).Measurefromalevel
surfacetothecuttingedge,oftheblades.Notethis
dimension.
Figure39
1.Bladesfronttorear
3.Measurehere
2.Outsidecuttingedges
2.Rotatetheoppositeendsofthebladesforward.
3.Measurefromalevelsurfacetothecuttingedgeof
thebladesatthesamepositionasinstep1.The
differencebetweenthedimensionsobtainedin
stepsandmustnotexceed1/8inch(3mm).Ifthis
dimensionexceeds1/8inch(3mm),thebladeis
bentandmustbereplaced.RefertotheRemoving
theBladesandInstallingtheBladessection.
Abladethatisbentordamagedcouldbreak
apartandcouldseriouslyinjureorkillyouor
bystanders.
•Alwaysreplacebentordamagedbladewith
anewblade.
•Neverleorcreatesharpnotchesinthe
edgesorsurfacesofblade.
CheckingforLooseBladesorDamaged
SpringDiscWashers
1.Placeawrenchonthebladeboltandtorqueto45-55
ftlb(61-75N-m).
2.Withthewrenchstillonthebladebolt,holdthe
bladespindlestationaryandusingaragorthickly
paddedglove,trytorotatetheblade.Iftheblade
rotatesrelativetothespindleguardwithoutfurther
tighteningthebladebolt,thespringdiscwasherhas
beenattenedordamagedandtheboltandwasher
assemblymustbereplaced(Figure40).Referto
theRemovingtheBladesandInstallingtheBlades
section.
3.Oncethebladehasbeenremoved,inspectthespring
discwasher.Ifthewasherappearstobedamaged
(thewashersurfacehasbeenmarred)orattened,
theboltandwasherassemblymustbereplaced.
RemovingtheBlades
Thebladesmustbereplacedifasolidobjectishit,
ifthebladeisoutofbalance,orthebladeisbent.
Toensureoptimumperformanceandcontinued
safetyconformanceofthemachine,usegenuineToro
replacementblades.Replacementbladesmadebyother
manufacturersmayresultinanunsafemachine.
Holdthebladeendusingaragorthickly-paddedglove
(orplaceawrenchonthetopsheavenut).Removethe
bladeboltandwasherassembly,washer,andbladefrom
thespindleshaft(Figure40).
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