WARNING
Thebladesaresharp;contactingabladecould
resultinseriouspersonalinjury.
•Disconnectthewirefromthesparkplug.
•Weargloveswhenservicingtheblade.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure42).Iftheedgesare
notsharporhavenicks,removethebladesandhave
themsharpenedorreplacethem.
Figure42
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
2.Inspectthebladesthemselves,especiallythecurved
area(Figure42).Ifyounoticeanydamage,wear,ora
slotforminginthisarea,immediatelyreplaceitwith
anewblade.
DANGER
Ifyouallowabladetowear,aslotwillform
betweenthesailandatpartoftheblade.
Eventuallyapieceoftheblademaybreak
offandbethrownfromunderthehousing,
possiblyresultinginseriousinjurytoyouor
bystanders.
•Inspectthebladeperiodicallyforwearor
damage.
•Nevertrytostraightenabladethatisbent
orweldabrokenorcrackedblade.
•Replaceawornordamagedblade.
3.Checkforbentblades;refertoCheckingforBent
Blades(page21).
CheckingforBentBlades
1.RotatethebladestothepositionshowninFigure43.
Figure43
1.Frontofcuttingdeck3.Measurefromthecutting
edgetoasmooth,level
surface
2.MeasureatlocationsA
andB
2.Measurefromalevelsurfacetothecuttingedges
atlocationsAandB(Figure43),andrecordboth
dimensions.
3.Rotatethebladessothattheiroppositeendsareat
locationsAandB(Figure43).
4.Repeatthemeasurementsinstep2andrecordthem.
Note:IfthedifferencebetweenthedimensionsAand
Bobtainedinsteps2and4exceeds1/8in(3mm),
thebladeisbentandyouwillneedtoreplaceit.Refer
toRemovingtheBlades(page22)andInstallingthe
Blades(page22).
WARNING
Abladethatisbentordamagedcouldbreakapart
andcouldseriouslyinjureorkillyouorbystanders.
•Alwaysreplaceabentordamagedbladewith
anewblade.
•Neverleorcreatesharpnotchesintheedges
orsurfacesofablade.
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