Craftsman 247.28672 Operator's Manual page 23

4. Jump Starting
Toproperlysharpenthe cuttingblades,removeequal amounts
of metalfrom both endsof the bladesalong the cuttingedges,
parallelto thetrailingedge,at a 250.300angle.Alwaysgrindeach
cuttingbladeedge equallyto maintainproperblade balance.See
Figure18.
Neverjump starta damagedor frozenbattery.Be certainthe vehicles
do nottouch and ignitionsare off. Donot allowcableclampsto touch.
If the cuttingedge of the bladehas previouslybeen sharpened,or if
any metal separationis present,replacethe bladeswith newones.
A poorlybalancedblade willcause excessivevibration,may cause
damageto the tractorand/or result in personalinjury.
.
Figure18
Testthe blade'sbalanceusinga bladebalancer.Grind metalfrom
the heavyside untilit balancesevenly.
NOTE:Whenreplacingthe blade,be sureto install the bladewith
the sideof the blade marked"Bottom" (or with a partnumber
stampedin it) facingthe groundwhenthe moweris in the operat-
ing position.
Use a torquewrenchto tightenthe blade spindlehexflange nutto
between70 ft-lbs and 90 ft-lbs.
BATTERY
Batteryposts,terminals,and relatedaccessoriescontainlead and
leadcompounds,chemicalsknownto the State of Californiato cause
cancer and reproductiveharm.Washhandsafter handling.
If removing the battery,disconnectthe NEGATIVE (Black)wirefrom
its terminalfirst, followedby the POSITIVE(Red)wire. Whenreinstall-
ing the battery,alwaysconnectthe POSITIVE(Red)wireits terminal
first, followedby the NEGATIVE (Black)wire.
1. Connectthe positive(+) cableto positive(+) post of yourtractor's
dischargedbattery.
2. Connectthe otherend of the cableto thepositive(+) post of the
jumperbattery.
3. Connectthe negative(-) cable to the negative(-) postof the
jumperbattery.
4. Makethefinal connectionon the engineblockof thetractor,away
from the battery.Attachto an unpaintedpart to assurea good
connection.
If thejumperbatteryis installedon a vehicle(i.e. car, truck),do NOT
start the vehicle'senginewhenjump startingyourtractor.
5. Startthe tractor(as instructedin theOperationsectionof this
manual).
6. Setthe tractor'sparkingbrakebeforeremovingthejumpercables.
Removecables in reverseorderof connection.
Charging
Batteriesgiveoff an explosivegas whilecharging.Chargethe batteryI
in a wellventilatedareaand keepawayfrom an openflame or pilot I
lightas on a waterheater,spaceheater,furnace,clothesdryeror I
othergas appliances. ..J
Whenchargingyourtractor'sbattery,use onlya chargerdesignedfor
12Vlead-acidbatteries.Readyourbatterycharger'sOwner'sManual
prior to chargingyourtractor'sbattery.Alwaysfollow its instructions
and heed its warnings.
If yourtractorhas notbeen put intouse for an extendedperiodof time,
chargethe batteryas follows:
1. Setyourbatterychargerto delivera max of 10 amperes.
2. If your batterychargeris automatic,chargethe batteryuntilthe
chargerindicatesthatchargingis complete.If thechargeris not
automatic,chargefor no fewer thaneighthours.
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