Operator's Manual
DANGER
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrowntowardyou
orbystanders,resultinginseriouspersonal
injuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
InspectingtheAccelerator
ServiceInterval:Beforeeachuseordaily—Inspect
theacceleratorforwearordamage.
Carefullyexaminetheacceleratorforexcessivewear
(Figure27).Becausesandandabrasivematerialcan
wearawaythemetal(especiallyintheareashown
asitem2inFigure27),checktheacceleratorbefore
usingthemachine.Ifyounoticethatatabonthe
acceleratorhasbeenworndowntoasharpedgeor
thereisacrack,replacetheaccelerator.
g027496
Figure27
1.Accelerator3.Tab
2.Weararea
4.Crackformed
WARNING
Awornordamagedacceleratorcanbreak,
andapieceoftheacceleratorcouldbe
towardyouorbystanders,resultinginserious
personalinjuryordeath.
•Inspecttheacceleratorperiodicallyfor
wearordamage.
•Replaceawornordamagedaccelerator.
RemovingtheBlade
1.Grasptheendofthebladeusingaragora
thicklypaddedglove.
2.Removethebladebolt,thelockwasher,the
accelerator,andtheblade(Figure26).
SharpeningtheBlade
ServiceInterval:Every50hours—Sharpenor
replacetheblade.Maintainitmore
frequentlyiftheedgedullsquicklyin
roughorinsandyconditions.
Filethetopsideofthebladetomaintainitsoriginal
cuttingangle(Figure28A)andinnercuttingedge
radius(Figure28B).Thebladewillremainbalancedif
youremovethesameamountofmaterialfromboth
cuttingedges.
g002279
Figure28
1.Sharpenthebladeatthis
angleonly.
2.Maintaintheoriginalradius
here.
BalancingtheBlade
1.Checkthebalanceofthebladebyplacing
thecenterholeofthebladeoveranailor
screwdrivershankclampedhorizontallyinavise
(Figure29).
g002280
Figure29
Note:Youcanalsocheckthebalanceusinga
commerciallymanufacturedbladebalancer.
2.Ifeitherendofthebladerotatesdownward,le
thatend(notthecuttingedgeortheendnear
thecuttingedge)untilneitherendoftheblade
drops.
InstallingtheBlade
1.Installasharp,balancedToroblade,the
accelerator,thelockwasher,andthebladebolt.
Thesailoftheblademustpointtowardthetop
ofthemowerhousingforproperinstallation.
Note:T orquethebladeboltto82N∙m(60ft-lb).
27