Figure23
1.Metaladjuster
3.Self-propelcable
2.Innernut
ReplacingtheBlade
ServiceInterval:Every25hours—Replacethebladeorhave
itsharpened(morefrequentlyiftheedge
dullsquickly).
Important:
Y ou will need a torque wr ench to install the
blade pr oper l y
.Ifyoudonothaveatorquewrenchor
areuncomfortableperformingthisprocedure,contact
anAuthorizedServiceDealer.
Examinethebladewheneveryourunoutofgasoline.Ifthe
bladeisdamagedorcracked,replaceitimmediately.Ifthe
bladeedgeisdullornicked,haveitsharpenedorreplaceit.
WARNING
Thebladeissharp;contactingthebladecanresult
inseriouspersonalinjury.
Weargloveswhenservicingtheblade.
1.Disconnectthesparkplugwirefromthesparkplug.
Referto
PreparingforMaintenance(page14).
2.Tipthemowerontoitssidewiththeairlterup.
3.Useablockofwoodtoholdthebladesteady.
4.Usingaglovedhand,griptheendoftheblade.
5.Removethebolt,washer,andspacer,thenremovethe
blade(
Figure24).
Figure24
1.Bolt
3.Spacer
2.Springwasher
6.Assemblethebladewiththeturnedupedgesfacing
towardstheengine.
7.Securethenewbladeinplacewiththebolt,washer,
andspacerremovedpreviously(Figure24).
8.Useatorquewrenchtotightenthebladeboltto
40ft-lb(54N-m).
Important:Abolttorquedto40ft-lb(54N-m)is
verytight.Whileholdingthebladewithablock
ofwood,putyourweightbehindtheratchetor
wrenchandtightentheboltsecurely.Thisboltis
verydifculttoovertighten.
SharpeningTheBlade
ServiceInterval:Every25hours
Aslightlywornblademaybere-sharpened.Bothbladeedges
mustbesharpenedequallytoensurebalance.
1.Removethebladefromthemower(referto
ReplacingtheBlade(page17)).
2.Cleanthebladeusingabrushandwater,theninspect
thebladeforsignsofdamage.
3.Sharpenbothcuttingedgeswithaatle.
17