Spark Plug
1.Cleanareaaroundthe sparkplugbase.Do notsandblastspark plug,Sparkplugshouldbecleanedby scrapingorwire brushing andwashingwitha commercialsolvent
Removeand inspectthe sparkplug.Checkgap to makesureit is setat .030".See Figure12.
ElectrodePorcelain
_.030 (.76 mm) gap
\
Figure12
3.Replacethesparkplug(Champion®RC12YC)once a season.
Muffler
Temperatureof mufflerandnearbyengineareasmayexceed150°F (65°0).Avoidcontactwiththeseareas.
•inspectmufflerperiodically,and replaceif necessary.Replace- mentpartsfor the mufflermustbethe sameand installedin the samepositionas the originalparts.
Clean Engine
Do notuse waterto cleanengineparts.Watercouldcontaminatefuel system.Usea brushordry cloth.
Dailyor beforeeveryuse,cleangrass,chaff oraccumulated debrisfromengine.Keeplinkage,spring,andcontrolsclean.
Keepareaaroundandbehindmufflerfreeof any combustible debris.
Keepingenginecleanallowsair movementaroundengine.
•Enginepartsshouldbe keptcleanto reducethe riskof overheat- ingandignitionof accumulateddebris.
Carburetor Adjustment
•Thecarburetoron thisengineis not adjustable.
LUBRICATION
Beforelubricating,repairing,or inspecting,alwaysdisengagePTO (BladeEngageLever),moveshift leverinto neutralposition,set parkingbrake,stopengineand removekeyto preventunintended starting.
Pivot Points & Linkage
Lubricateallthe pivotpointsonthe drivesystem,parkingbrakeandlift linkageat leastonce a seasonwithlightoil.
Rear Wheels
The rearwheelsshouldberemovedfromtheaxlesoncea season. Lubricatetheaxlesandthe rimswellwithan
Front Axles
Eachend of thetractor'sfrontpivotbar maybeequippedwitha grease fitting. Lubricatewitha greasegunafterevery25hoursof tractor operation.
Battery
The batteryis sealedandis
Alwayskeepthe batterycablesandterminalscleanandfree of
Aftercleaningthe batteryandterminals,applya lightcoatof petroleumjelly orgreaseto bothterminals.
Alwayskeepthe rubberbootpositionedoverthe positiveterminal to preventshorting.
iMPORTANT: if removingthe batteryfor any reason,disconnectthe NEGATIVE(Black)wirefromitsterminalfirst,followedby the POSi- TIVE(Red)wire.When
Cleaning Battery
Cleanthe batteryby removingit fromthe tractorandwashingwith a bakingsodaandwatersolution.Ifnecessary,scrapethe battery terminalswitha wirebrushto removedeposits.Coatterminalsand exposedwiringwithgreaseor petroleumjellyto preventcorrosion. Battery Failures
Somecommoncausesfor batteryfailureare: incorrectinitialactivation
Overcharging
Freezing
Undercharging
Corrodedconnections
Thesefailuresare NOTcoveredbyyourtractor'swarranty.
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