Exmark QUEST S Series - Maintenance (Continued); Sharpening the Blades

Maintenance
g009680
Figure63
1.Opposingbladeedge,inpositionformeasuring
2.Levelsurface
3.Secondmeasureddistancebetweenbladeandsurface
(B)
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:
•60-80ft-lb(81-108N-m)forE-andS-Series
Models
•50-60ft-lb(68-81N-m)forX-SeriesModels
2.Withthewrenchstillonthebladebolt,hold
thebladespindlestationaryandusingaragor
thicklypaddedglove,trytorotatetheblade.Ifthe
bladerotatesrelativetothespindleguardwithout
furthertighteningthebladebolt,thespring
discwasherhasbeenattenedordamagedand
theboltandwasherassemblymustbereplaced
(Figure64).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.Removethebladeboltandwasherassembly
andbladefromthespindleshaft(Figure64).
g411047
Figure64
1.Sailareaofblade
3.Bladeboltandwasher
assembly
2.Blade
SharpeningtheBlades
1.Usealetosharpenthecuttingedgeatbothends
oftheblade(Figure65).Maintaintheoriginal
angle.Thebladeretainsitsbalanceifthesame
amountofmaterialisremovedfrombothcutting
edges.
g007276
Figure65
1.Sharpenatoriginalangle
2.Checkthebalanceofthebladebyputtingitona
bladebalancer(Figure66).Ifthebladestaysina
horizontalposition,thebladeisbalancedandcan
beused.Ifthebladeisnotbalanced,lesome
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