Toro 22198 - Blade Maintenance; Maintaining the Cutting Blade

BladeMaintenance
MaintainingtheCuttingBlade
Alwaysmowwithasharpblade.Asharpbladecuts
cleanlyandwithouttearingorshreddingthegrassblades.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(
Figure11).
3.Drainthegasolinefromthefueltank;referto
EmptyingtheFuelTankandCleaningtheFuelFilter.
4.Tipthelawnmowerontoitsrightside(
Figure31).
Figure31
1.Blade3.Accelerator
2.Bladenuts4.Anti-scalpcup
InspectingtheBlade
ServiceInterval:Beforeeachuseordaily
Carefullyexaminethebladeforsharpnessandwear,
especiallywheretheatandthecurvedpartsmeet
(Figure32A).Becausesandandabrasivematerialcan
wearawaythemetalthatconnectstheatandcurved
partsoftheblade,checkthebladebeforeusingthe
lawnmower.Ifyounoticeaslotorwear(
Figure32B
andFigure32C),replacetheblade;refertoRemoving
theBlade.
Figure32
1.Sail
3.Wear
2.Flatpartoftheblade4.Slotformed
Note:Forthebestperformance,installanewblade
beforethecuttingseasonbegins.Duringtheyear,le
downanysmallnickstomaintainthecuttingedge.
DANGER
Awornordamagedbladecanbreak,andapiece
ofthebladecouldbethrownintotheoperator's
orbystander'sarea,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
RemovingtheBlade
Grasptheendofthebladeusingaragorathickly
paddedglove.Removethebladenuts,theanti-scalpcup,
theaccelerator,andtheblade(Figure31).
SharpeningtheBlade
Filethetopsideofthebladetomaintainitsoriginal
cuttingangle(Figure33A)andinnercuttingedgeradius
(Figure33B).Thebladewillremainbalancedifyou
removethesameamountofmaterialfrombothcutting
edges.
Figure33
1.Sharpenatthisangleonly.
2.Maintaintheoriginalradius
here.
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