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BladeCare
WARNING:
Whenremovingthecuttingbladefor
sharpeningorreplacement,protectyourhandswith
apairofheavyglovesoruseaheavyragtoholdthe blade.
Periodicallyinspectthebladeadapterforcracks,especiallyifyou
strikeaforeignobject.Replace
belowforbladeservice.
1.
Disconnectsparkplugbootfromsparkplug.Turnmower
onitssidemakingsurethattheairfilterandthecarburetor
arefacingup.
2.
Removethebolt andthebladebellsupportwhichholdthe
bladeandthebladeadaptertotheenginecrankshaft.See
Figure7-1.
Figure7-1
3.
Removebladeandadapterfromthecrankshaft.SeeFigure
7-1.
4.
Removebladefromtheadapterfortestingbalance.
Balancethebladeonaroundshaftscrewdrivertocheck.
Removemetalfromtheheavysideuntil it balancesevenly.
Whensharpeningtheblade,followtheoriginalangleof
grind.Grindeachcuttingedgeequallytokeeptheblade
balanced.
whennecessary.Followthesteps
WARNING:
Anunbalancedbladewillcause
excessivevibrationwhenrotatingathighspeeds.It
maycausedamagetomower andcouldbreak
causingpersonalinjury.
5.
Lubricatetheenginecrankshaftandtheinnersurfaceof
thebladeadapterwith lightoil.Slidethebladeadapter
ontotheenginecrankshaft.Placethebladeontheadapter
suchthatthesideoftheblademarked"Bottom"(orwith
partnumber)facesthegroundwhenthemowerisinthe
operatingposition.Makesurethatthebladeisalignedand
seatedonthebladeadapterflanges.
6.
Placebladebellsupportontheblade.Alignnotchesonthe
bladebellsupportwith smallholesinblade.
7.
Replace hexbolt andtightenhexbolt totorque:450in.lbs.
min.,600in.lbs.max.
Toensuresafeoperationofyourmower,periodicallycheckthe
bladebolt forcorrecttorque.
Off-SeasonStorage
Thefollowingstepsshouldbetakentoprepareyourlawnmower
forstorage.
•
Cleanandlubricatemower thoroughlyasdescribedinthe
lubricationinstructions.
•
Donotuseapressurewasherorgardenhosetocleanyour unit.
•
Coatmower'scuttingbladewith chassisgreasetoprevent
rusting.
•
Refertoenginemanualforcorrectenginestorage
instructions.
•
Storemowerinadry,cleanarea.Donotstorenextto
corrosivematerials,suchasfertilizer.
Whenstoringanytypeofpowerequipmentinapoorly
ventilatedormetalstorageshed,careshouldbetakento
rust-prooftheequipment.Usingalight oilorsilicone,coatthe
equipment,especiallycablesandallmovingpartsofyourlawn
mower beforestorage.
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