InspectingtheBlade
ServiceInterval:Beforeeachuseordaily—Inspect
themowerbladesforwearor
damage.
Carefullyexaminethebladeforsharpnessandwear,
especiallywheretheatandthecurvedpartsmeet
(Figure24A).Becausesandandabrasivematerial
canwearawaythemetalthatconnectstheatand
curvedpartsoftheblade,checkthebladebefore
usingthemachine.Ifyounoticeaslotorwear(Figure
24BandFigure24C),replacetheblade;referto
InstallingtheBlade(page25).
g002278
Figure24
1.Sail
3.Wear
2.Flatpartoftheblade4.Slotformed
Note:Forthebestperformance,installanewblade
beforethemowingseasonbegins.Duringtheyear,
ledownanysmallnickstomaintainthecuttingedge.
DANGER
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrowntowardyou
orbystanders,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
InspectingtheAccelerator
ServiceInterval:Beforeeachuseordaily—Inspect
theacceleratorforwearordamage.
Carefullyexaminetheacceleratorforexcessivewear
(Figure25).Becausesandandabrasivematerialcan
wearawaythemetal(especiallyintheareashown
asitem2inFigure25),checktheacceleratorbefore
usingthemachine.Ifyounoticethatatabonthe
acceleratorhasbeenworndowntoasharpedgeor
thereisacrack,replacetheaccelerator.
g027496
Figure25
1.Accelerator3.Tab
2.Weararea
4.Crackformed
WARNING
Awornordamagedacceleratorcanbreak,
andapieceoftheacceleratorcouldbethrown
atyouorbystanders,resultinginserious
personalinjuryordeath.
•Inspecttheacceleratorperiodicallyfor
wearordamage.
•Replaceawornordamagedaccelerator.
RemovingtheBlade
1.Grasptheendofthebladeusingaragora
thicklypaddedglove.
2.Removethebladebolt,thelockwasher,the
accelerator,andtheblade(Figure24).
SharpeningtheBlade
ServiceInterval:Every50hours—Sharpenor
replacetheblade.Maintainitmore
frequentlyiftheedgedullsquicklyin
roughorinsandyconditions.
Filethetopsideofthebladetomaintainitsoriginal
cuttingangle(Figure26A)andinnercuttingedge
radius(Figure26B).Thebladewillremainbalancedif
youremovethesameamountofmaterialfromboth
cuttingedges.
g002279
Figure26
1.Sharpenthebladeatthis
angleonly.
2.Maintaintheoriginalradius
here.
BalancingtheBlade
1.Checkthebalanceofthebladebyplacing
thecenterholeofthebladeoveranailor
24