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ARNING:Whenremovingcutting
blade for sharpeningor replacement,
protectyourhandswith a pairof heavy
gloves or use a heavy rag to hold blade.
1. Disconnectsparkplug wirefrom spark plug.Turn
moweron its side makingsurethat the air filter and
the carburetorare up.
2. Removebolt, blade bell support,blade,and blade
adapterfrom the enginecrankshaft.See Figure5.
3. The bladecan be sharpenedwith a fileor on a grind-
ing wheel.Do notattemptto sharpenthe blade while
it is still on the mower.Whensharpeningblade,follow
originalangle of grind.Grind cuttingedgesequallyto
keep bladebalanced.
4. Removebladefrom the adapterfor testingbalance.
Balancethe bladeon a roundshaftscrewdriver to
check. Removemetalfrom the heavysideuntil it
balancesevenly.
_
WARNING:An unbalanced blade will
causeexcessive vibration when rotating
at high speeds, it may cause damage
to mower,and could break causing
personalinjury.
5. Lubricatetheenginecrankshaftand the inner surface
of the blade adapterwith lightoil. Slide the blade
adapteronto the enginecrankshaft.Placethe blade
on theadaptersuch that the sideof the blade marked
"Bottom"(or with part number)facesthe groundwhen
the moweris in the operatingposition.Makesurethat
blade is alignedand seatedon bladeadapterflanges.
6. Placeblade bell supporton the blade.Align notches
on the bladebell supportwith smallholesin blade.
Replacehex boltand tightenhex boltto torque:450
in. Ibs. min.,600 in. Ibs.max.
Toensuresafe operationof yourmower,periodically
checkthe blade boltfor correcttorque.
Belt Care
1. Removetwo shoulderscrewssecuringfrontdrive
cover to mowerdeck.See Figure6. Pressinwardon
sides of front drivecoverand releasetabs that secure
it to the heightadjusterbrackets.Removedrivecover
from mower.
.
Loosenscrewholdingbelttensionspringto trans-
mission.See Figure6 inset.Donot removescrew
completely.As youloosenit, tensionon the belt will be
released.
.
Pushtransmissionup slightlyand slide beltoff the
transmissionpulley.Lift mowerto access beltfrom
undersideof mower.Slide beltoff of enginepulleyand
aroundthe blade.See Figure7.
Figure 5
Figure 6
Figure 7
4. Replacewith newbelt, workingaround blade.Make
surebelt is firmlyseatedon engine pulleywhile
pullingfrom the othersideand slidingit aroundthe
transmissionpulley.Tightenscrewloosenedearlier
to securebelt tensionspringto the transmission.
Reassemble front drivecover.
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i i iii
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Maintaining
You r LaWn
MOwer
WARNING
When removing
the cutting blade
for sharpening or
replacement or
when sliding the belt
around it, protect
your hands with a
pair of heavy gloves
or use a heavy rag to
hold the blade.
An unbalanced blade
will cause excessive
vibration when rotat-
ing at high speeds. It
may cause damage
to mower, and could
break causing per-
sonal injury.
11
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