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Spark Plug
1. Cleanareaaroundthesparkplugbase.Donotsandblastspark
plug,Sparkplugshouldbecleanedbyscrapingorwirebrushing
andwashingwitha commercialsolvent
Removeandinspectthesparkplug.Checkgap tomakesureitis
setat.030".SeeFigure13.
Electrode Porcelain
_.030 (.76 mm) gap
\
Figure13
3. Replacethesparkplug(Champion®RC12YC)oncea season.
Muffler
Temperatureof mufflerandnearbyengineareasmayexceed150°F
(65°0).Avoidcontactwiththeseareas.
• inspectmufflerperiodically,and replaceifnecessary.Replace-
mentpartsforthemufflermustbethesameand installedin the
samepositionastheoriginalparts.
Clean Engine
• Dailyor beforeeveryuse,cleangrass,chafforaccumulated
debrisfromengine.Keeplinkage,spring,andcontrolsclean.
Keepareaaroundandbehindmufflerfreeofanycombustible
debris.
Keepingenginecleanallowsair movementaroundengine.
• Enginepartsshouldbe keptcleanto reducetheriskofoverheat-
ingandignitionofaccumulateddebris.
Donotusewatertocleanengineparts.Watercouldcontaminatefuel
system.Usea brushordrycloth.
Carburetor Adjustment
• Thecarburetoron thisengineisnotadjustable.
LUBRICATION
Beforelubricating,repairing,or inspecting,alwaysdisengagePTO
(BladeEngageLever),moveshiftleverintoneutralposition,set
parkingbrake,stopengineandremovekeytopreventunintended
starting.
Pivot Points & Linkage
Lubricateallthepivotpointsonthedrivesystem,parkingbrakeandlift
linkageatleastoncea seasonwithlightoil.
Rear Wheels
Therearwheelsshouldberemovedfromtheaxlesoncea season.
Lubricatetheaxlesandtherimswellwithan all-purposegreasebefore
re-installingthem.
Front Axles
Eachend ofthetractor'sfrontpivotbar maybeequippedwitha grease
fitting.Lubricatewitha greasegunafterevery25hoursoftractor
operation.
Battery
Thebatteryissealedandismaintenance-free.Acidlevelscannotbe
checked.
Alwayskeepthebatterycablesandterminalscleanandfreeof
corrosivebuild-up.
Aftercleaningthebatteryandterminals,applya lightcoatof
petroleumjellyorgreasetobothterminals.
Alwayskeepthe rubberbootpositionedoverthepositiveterminal
to preventshorting.
iMPORTANT:if removingthebatteryforanyreason,disconnectthe
NEGATIVE(Black)wirefromitsterminalfirst,followedbythePOSI-
TIVE(Red)wire.Whenre-installingthebattery,alwaysconnectthe
POSITIVE(Red)wiretoits terminalfirst,followedbythe NEGATIVE
(Black)wire.Becertainthatthewiresareconnectedtothecorrect
terminals;reversingthemcouldchangethepolarityandresultin
damageto yourengine'salternatingsystem.
Cleaning Battery
Cleanthebatterybyremovingitfromthetractorandwashingwith
a bakingsodaandwatersolution.Ifnecessary,scrapethe battery
terminalswitha wirebrushto removedeposits.Coatterminalsand
exposedwiringwithgreaseor petroleumjellytopreventcorrosion.
Battery Failures
Somecommoncausesfor batteryfailureare:
incorrectinitialactivation
Overcharging
Freezing
Undercharging
Corrodedconnections
Thesefailuresare NOTcoveredbyyourtractor'swarranty.
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