BLADE CARE
Periodicallyinspectthe bladeadapterfor cracks,especiallyif you
strikea foreignobject.Replacewhen necessary.Followthe steps belowfor bladeservice.
Whenremovingthecuttingbladefor sharpeningor replacement, protectyourhandswitha pairof heavyglovesor usea heavyragto holdthe blade.
1.Disconnectsparkplugbootfromsparkplug.Turnmoweron its side makingsurethatthe air filterandthe carburetorarefacing up.
2.Removethe boltandthe bladebell supportwhichholdthe blade andthe bladeadapterto the enginecrankshaft.See Figure18.
3.Removebladeandadapterfromthe crankshaft.
4.Removebladefromthe adapterfor testingbalance.Balancethe bladeon a roundshaftscrewdriverto check. Removemetalfrom
the heavyside untilit balancesevenly.When sharpeningthe blade,followtheoriginalangleof grind.Grindeachcuttingedge equallyto keepthe bladebalanced.
Anunbalancedbladewillcauseexcessivevibrationwhen rotatingat highspeeds.It maycausedamageto mowerandcouldbreakcausin( personalinjury.
5.Lubricatethe enginecrankshaftandthe innersurfaceof the blade adapterwithlightoil. Slidethe bladeadapteronto the engine crankshaft.Placethe bladeonthe adaptersuchthatthe sideof the blademarked"Bottom"(or withpartnumber)facesthe ground whenthe moweris inthe operatingposition.Makesurethatthe bladeisalignedandseatedon the bladeadapterflanges.
6.Placebladebellsupporton the blade.Alignnotcheson the blade bellsupportwithsmallholesin blade.
7.Replacehexbolt andtightenhexbolt to torque:450in. Ibs.rain., 600in. Ibs.max.
Toensuresafeoperationof yourmower,periodicallycheckthe blade boltfor correcttorque.
BELT CARE
NOTE:Severalcomponentsmust beremovedin orderto changethe
REPLACING BATTERY
Batteriescontainsulfuricacid whichmaycauseburns. Donot short I circuitormutilatebatteriesin anyway.Do not putbatteriesin fireas lthese mayburstorreleasetoxic materials.
1.Loosenstarknobssecuringupperandlowerhandlesand carefullyfoldthe upperhandledowntowardthelowerhandleas shownin Figure19.
2.Removethe two screwssecuringbatterycoverto batteryhousing andplacethemto the side.See Figure19.
oft
Figure18
J
Figure19
+
Positive
,- Terminal
Negative
._rrninal
J
Figure20
20