MTD 11A-503A800 - Page 11

Figure 12
4, Removebladeandadapterfromthe crankshaft,
5, The blademayberesharpenedbyremovingitand
eithergrindingor filing thecuttingedgekeepingas
closetotheoriginalbevelaspossible.Donot attempt
tosharpenthebladewhileitis stillon the mower,
6. It isextremely important thateachcuttingedge
receivesanequalamountof grindingtopreventan
unbalancedblade.
NOTE:improperbladebalancewill resultinexcessive
vibrationcausingeventualdamagetotheengineand
mower.Besureto carefullybalancebladeaftersharpen-
ing.Possibledamageresultingfrom bladeunbalance
conditionisnotthe responsibilityofthemanufacturer.
NOTE:Alwaysremovebladefromthe adapterfor testing
balance.
7. The bladecanbetestedfor balanceby balancingit
ona roundshaftscrewdriver.Removemetalfromthe
heavysideuntilitbalancesevenly.
8. Beforereassemblingthebladeandthe bladeadapter
totheunit,lubricatetheenginecrankshaftandthe
innersurfaceof the bladeadapterwithlightoil.
9. installthe bladeadapteron thecrankshaftwiththe
"star"awayfromthe engine.SeeFigure12.Place
thebladewiththesidemarked"bottom"(orwithpart
number)facingawayfromtheadapter.Alignthe
bladebellsupportoverthebladewiththetabsinthe
holesofthebladeand insertthehexbolt.
10.Tightenthehexbolt to thetorquelistedbelow:
Blade MountingTorque
CenterBolt450 in.lb. rain.,600 in.lb,max.
Toinsuresafeoperationofyourunit,ALLnutsandbolts
mustbecheckedperiodicallyfor correcttightness.
Off-Season Storage
Thefollowingstepsshouldbetakento prepareyourlawn
mowerforstorage.
1. Cleanandlubricatemowerthoroughlyas describedin
thelubricationinstructions.
2. Wedo not recommendthe useofa pressurewasher
or gardenhoseto cleanyour unit.
3. Refertoenginemanualfor correctengine
storageinstructions.
4. Coatmower'scuttingbladewithchassisgreaseto
preventrusting.
5. Storemowerin adry,cleanarea.Donotstorenextto
corrosivematerials,suchas fertilizer.
NOTE:Whenstoringany typeof powerequipmentin
a poorlyventilatedor metalstorageshed,careshould
betakentorust-prooftheequipment.Usinga light oilor
silicone,coattheequipment,especiallycablesandall
movingpartsofyourlawnmowerbeforestorage.
11
WARNING
When removing
the cutting blade
for sharpening or
replacement, protect
your hands with a
pair of heavy gloves
or use a heavy ragto
hold the blade, ...........;
An unbalanced blade
will cause excessive
vibration when rotat.
ing at high speeds:it
may cause damage
to mower, and could
brea,Causing
sonal injury,
soil condition causes
abrasive wear tothe