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If yourtractorhasnot been putinto usefor an extendedperiodof time,
chargethe batteryas follows:
1. Setyour batterychargerto delivera maxof 10amperes.
If yourbatterychargeris automatic,chargethe batteryuntilthe
chargerindicatesthat chargingis complete.Ifthe chargeris not
automatic,chargefor no fewerthaneight hours.
FUSE
One20 AMPfuse is installedin yourtractor'swiringharnessto protect
the tractor'selectricalsystemfromdamagecaused byexcessive
amperage.
If theelectricalsystemdoesnot function,or yourtractor'senginewill
not crank,first checkto be certainthat the fusehasnot blown.It can
befoundat the rear of the unit, underneaththefenderlocatedby the
battery.
Alwaysusea fusewiththe sameamperagecapacityfor replacement.
CUTTING BLADES
Shutthe engineoff and removeignitionkey beforeremovingthe
cuttingblade(s)for sharpeningor replacement.Protectyourhands
by usingheavygloveswhengraspingthe blade.
Periodicallyinspectthe bladeand/or spindlefor cracks or damage,
especiallyafter you'vestrucka foreignobject. Donot operatethe
machineuntil damagedcomponentsare replaced.
To properlysharpenthe cuttingblades,removeequalamounts
of metalfrombothendsof the bladesalongthe cuttingedges,
parallelto the trailingedge,at a 250.to 300angle.Alwaysgrind
eachcutting bladeedge equallyto maintainproperbladebalance.
SeeFig.22.
Figure 22
Ifthe cuttingedge of the bladehas previouslybeensharpened,or if
any metalseparationis present,replacethe bladeswith newones.
Toremovethe blades,proceedas follows.
1. Removethedeckfrom beneaththe tractor,(referto CuttingDeck
Removalearlierinthis section)thengentlyflip thedeck overto
exposeitsunderside.
2. Placea blockof woodbetweenthe centerdeckhousingbaffle
andthe cuttingbladeto act as a stabilizer.SeeFig.21.
3. Removethehex flangenutthat securesthe bladeto the spindle
assembly.SeeFig.21.
A poorlybalancedbladewill causeexcessivevibration,maycause
damageto the tractorand/or resultin personalinjury.
5. Testthe blade'sbalanceusinga blade balancer.Grind metal
from the heavyside untilit balancesevenly.
NOTE: Whenreplacingthe blade,be sureto installthe bladewith the
sideof the blademarked"Bottom"(orwitha part numberstampedin
it)facingthe groundwhenthe moweris in the operatingposition.
Figure 21
Usea torquewrenchto tightenthe bladespindlehexflangenut to
between70Ibs-ftand 90 Ibs-ft.
CHANGING THE DECK BELT
Besureto shut the engineoff, removeignitionkey,disconnectthe
Isparkplugwire(s)andgroundagainstthe engineto preventunin-
ltended startingbeforeremovingthe belt.
All beltsonyourtractoraresubjectto wearand shouldbe replacedif
any signsof wearare present.
25
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