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Ifyour tractorhasnot been putinto usefor anextendedperiodof time, 4.
chargethe batteryas follows:
1. Setyour batterychargerto delivera maxof 10amperes.
Ifyour batterychargeris automatic,chargethe batteryuntilthe
chargerindicatesthatchargingis complete.Ifthe chargeris not
automatic,chargefor nofewerthaneight hours, f
FUSE
One20 AMPfuseis installedin yourtractor'swiring harnessto protect
thetractor'selectricalsystemfrom damagecausedby excessive
amperage.
Ifthe electricalsystemdoesnot function,or yourtractor'senginewill
notcrank,first checkto becertainthatthe fuse hasnot blown.It can
befoundat the rear of the unit, underneaththe fenderlocatedby the
battery.
Alwaysusea fuse with the sameamperagecapacityfor replacement.
CUTTING BLADES
Shutthe engineoffand removeignitionkeybeforeremovingthe
cuttingblade(s)for sharpeningor replacement.Protectyourhands
_byusng heavyg oves whengraspngthe bade.
Periodicallyinspectthe bladeand/or spindleforcracksor damage,
especiallyafter you'vestrucka foreignobject. Donot operatethe
machineuntil damagedcomponentsare replaced.
To properlysharpenthecutting blades,removeequalamounts
of metalfrombothendsof the bladesalongthe cuttingedges,
parallelto the trailingedge,at a 250.to 300angle.Alwaysgrind
eachcuttingbladeedge equallyto maintainproperbladebalance.
See Fig.22.
Figure22
Ifthe cuttingedgeof the bladehas previouslybeen sharpened,or if
any metalseparationis present,replacethe bladeswithnew ones.
To removetheblades,proceedas follows.
1. Removethe deck from beneaththe tractor,(referto CuttingDeck
Removalearlierinthis section)thengently flip thedeck overto
exposeitsunderside.
2. Placea blockof wood betweenthe centerdeck housingbaffle
andthe cuttingbladeto act asa stabilizer.See Fig. 21.
3. Removethe hexflangenutthatsecuresthe bladeto the spindle
assembly.SeeFig.21.
A poorlybalancedbladewill causeexcessivevibration,maycause
damageto thetractorand/or resultin personalinjury.
5. Testthe blade'sbalanceusinga bladebalancer.Grindmetal
fromthe heavyside untilit balancesevenly.
NOTE: Whenreplacingthe blade,be sureto installthe bladewith the
side of the blademarked"Bottom" (or witha partnumberstampedin
it) facingthe groundwhenthe moweris in the operatingposition.
Figure 21
Usea torquewrenchto tightenthe bladespindlehexflangenut to
between70 Ibs-ft and 90 Ibs-ft.
CHANGING THE DECK BELT
Besureto shut the engineoff, removeignitionkey,disconnectthe
sparkplugwire(s)and groundagainstthe engineto preventunin-
tendedstartingbeforeremovingthe belt.
All beltsonyourtractorare subjectto wearandshouldbereplacedif
any signsof wear arepresent.
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