3. Connectthesecondcable(negative-) to theotherpostofthejumper
battery.
4. Connecttheotherendofthenegativecabletotheengineblockofthe
tractor,awayfromthebattery.Attachtoanunpaintedpart to assureagood
connection.
1. Removethedeckfrombeneaththetractor,(refertoCuttingDeckRemoval
earlierinthissection)thengentlyflip thedeckoverto exposeitsunderside.
2. Placeablockof woodbetweenthecenterdeckhousingbaffleandthe
cutting bladeto actasastabilizer.SeeFigure26.
3. Removethehexflangenutthat securesthebladeto thespindleassembly.
If thejumper battery isinstalledonavehicle(i.e.car,truck), doNOTstart
thevehicle'senginewhenjumpstarting yourtractor.
5. Startthetractor(asinstructedearlierinthissectionofthismanual).
6. Setthetractor'sparkingbrakebeforeremovingthejumpercables,inreverse
orderof connection.
Charging
Batteriesgive off anexplosivegaswhile charging.Chargethe battery ina
wellventilated areaandkeepawayfrom anopenflame or pilot light asona
water heater,spaceheater,furnace,clothesdryer orothergasappliances.
HexFlangeNut
Whenchargingyourtractor'sbattery, useonlya chargerdesignedfor 12Vlead-
acidbatteries.Readyourbattery charger'sOwner'sManualpriorto charging I
yourtractor'sbattery.Alwaysfollow itsinstructionsandheeditswarnings, j
If yourtractorhasnotbeenputintousefor anextendedperiodof time,chargethe
batteryasfollows:
1. Setyourbatterychargerto deliveramaxof10amperes.
2. If yourbatterychargerisautomatic,chargethebatteryuntil thecharger
indicatesthatchargingiscomplete.Ifthechargerisnotautomatic,charge
fornofewerthaneighthours.
Fuse
One20AMPfuseisinstalledinyourtractor'swiringharnessto protectthetractor's
electricalsystemfromdamagecausedbyexcessiveamperage.
If theelectricalsystemdoesnotfunction,oryourtractor'senginewill notcrank,
firstcheckto becertainthatthefusehasnotblown.It canbefoundatthe rearof
theunit,underneaththefenderlocatedbythebattery.
Alwaysuseafusewith the sameamperagecapacityfor replacement.
Cutting Blades
Shutthe engineoff andremoveignitionkeybeforeremovingthe cutting
blade(s)for sharpeningor replacement.Protectyourhandsbyusingheavy
gloveswhengraspingthe blade.
Periodicallyinspectthe blade and/orspindlefor cracksordamage,
especiallyafter you'vestruckaforeign object. Donot operatethe machine
until damagedcomponentsarereplaced.
Toremovetheblades,proceedasfollows:
Figure26
Toproperlysharpenthecuttingblades,removeequalamountsofmetal
frombothendsof thebladesalongthecuttingedges,parallelto thetrailing
edge,ata25°-to 30°angle.Alwaysgrindeachcutting bladeedgeequallyto
maintainproperbladebalance.SeeFigure27.
\4
Figure27
If the cutting edgeof the blade haspreviouslybeensharpened,or ifany
metal separationispresent,replacethe bladeswith newones.
A poorlybalancedbladewill causeexcessivevibration, maycausedamageto
the tractor and/orresult inpersonalinjury.
Testtheblade'sbalanceusinga bladebalancer.Grindmetalfromthe
heavysideuntil it balancesevenly.
25