Exmark QUEST - Page 44

Maintenance
G014973
1
2
3
Figure43
1.Opposingbladeedge,inpositionformeasuring
2.Levelsurface
3.Secondmeasureddistancebetweenbladeandsurface
(B)
WARNING
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrownintothe
operator'sorbystander'sarea,resultingin
seriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
A.IfthedifferencebetweenAandBisgreater
than1/8inch(3mm)replacethebladewitha
newblade.RefertoRemovingtheBladesand
InstallingtheBlades.
Note:Ifabentbladeisreplacedwithanew
oneandthedimensionobtainedcontinues
toexceed1/8inch(3mm),thebladespindle
couldbebent.ContactanAuthorizedExmark
Dealerforservice.
B.Ifthevarianceiswithinconstraints,moveto
thenextblade.
Repeatthisprocedureoneachblade.
CheckingforLooseBladesor
DamagedSpringDiscWashers
1.Placeawrenchonthebladeboltandtorqueto
35-65ft-lb(47-88N-m).
2.Withthewrenchstillonthebladebolt,hold
thebladespindlestationaryandusingaragor
thicklypaddedglove,trytorotatetheblade.Ifthe
bladerotatesrelativetothespindleguardwithout
furthertighteningthebladebolt,thespring
discwasherhasbeenattenedordamagedand
theboltandwasherassemblymustbereplaced
(Figure44).RefertoRemovingtheBladesand
InstallingtheBlades.
3.Oncethebladehasbeenremoved,inspectthe
springdiscwasher.Ifthewasherappearstobe
damaged(thewashersurfacehasbeenmarred)
orattened,theboltandwasherassemblymust
bereplaced.
RemovingtheBlades
Thebladesmustbereplacedifasolidobjectishit,if
thebladeisoutofbalance,orthebladeisbent.To
ensureoptimumperformanceandcontinuedsafety
conformanceofthemachine,usegenuineExmark
replacementblades.Replacementbladesmadeby
othermanufacturersmayresultinanunsafemachine.
Holdthebladeendusingaragorthickly-padded
glove.Removethebladebolt,curvedwasher,and
bladefromthespindleshaft(
Figure44).
G014975
1
2
3
4
Figure44
1.Sailareaofblade3.Curvedwasher
2.Blade4.Bladebolt
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothends
oftheblade(Figure45).Maintaintheoriginal
angle.Thebladeretainsitsbalanceifthesame
amountofmaterialisremovedfrombothcutting
edges.
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