Operator's Manual

g002278
Figure24
1.Sail
3.Wear
2.Flatpartoftheblade4.Slotformed
Note:Forthebestperformance,installanewblade
beforethemowingseasonbegins.Duringtheyear,
ledownanysmallnickstomaintainthecuttingedge.
DANGER
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrowninyour
directionorinthedirectionofbystanders,
resultinginseriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
RemovingtheBlade
1.Grasptheendofthebladeusingaragora
thicklypaddedglove.
2.Removethebladebolt,thelockwasher,the
accelerator,andtheblade(Figure24).
SharpeningtheBlade
ServiceInterval:Every50hours—Sharpenor
replacetheblade.Maintainitmore
frequentlyiftheedgedullsquicklyin
roughorinsandyconditions.
Filethetopsideofthebladetomaintainitsoriginal
cuttingangle(Figure25A)andinnercuttingedge
radius(Figure25B).Thebladewillremainbalancedif
youremovethesameamountofmaterialfromboth
cuttingedges.
g002279
Figure25
1.Sharpenthebladeatthis
angleonly.
2.Maintaintheoriginalradius
here.
BalancingtheBlade
1.Checkthebalanceofthebladebyplacing
thecenterholeofthebladeoveranailor
screwdrivershankclampedhorizontallyinavise
(Figure26).
g002280
Figure26
Note:Youcanalsocheckthebalanceusinga
commerciallymanufacturedbladebalancer.
2.Ifeitherendofthebladerotatesdownward,le
thatend(notthecuttingedgeortheendnear
thecuttingedge)untilneitherendoftheblade
drops.
InstallingtheBlade
1.Installasharp,balancedT oroblade,the
accelerator,thelockwasher,andthebladebolt.
Thesailoftheblademustpointtowardthetop
ofthemowerhousingforproperinstallation.
Note:Torquethebladeboltto68N-m(50ft-lb).
WARNING
Operatingthemachinewithoutthe
acceleratorinplacecancausethe
bladetoex,bend,orbreak,resulting
inseriousinjuryordeathtoyouorto
bystanders.
Donotoperatethemachinewithoutthe
acceleratorinplace.
2.Returnthemachinetotheoperatingposition.
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