Spark Plug

1.Cleanareaaroundthe sparkplugbase.Do not sandblastspark plug.Sparkplugshouldbecleanedby scrapingorwire brushing andwashingwitha commercialsolvent

2.Removeand inspectthe sparkplug.Checkgapto makesureit is setat .030".SeeFigure13.

3.Replacethe sparkplug(Champion®RC12YC)oncea season.

Muffler

Temperatureof mufflerandnearbyengineareasmayexceed150°F (65°C).Avoidcontactwiththeseareas.

Inspectmufflerperiodically,and replaceifnecessary.Replace- mentpartsfor the mufflermustbethe sameand installedin the

LUBRICATION

Beforelubricating,repairing,or inspecting,alwaysdisengagePTO (BladeEngageLever),moveshiftleverinto neutralposition,set parkingbrake,stopengineandremovekeyto preventunintended starting.

Pivot Points & Linkage

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J

Figure15

Lubricateall the pivotpointsonthe drivesystem,parkingbrakeandlift linkageat leastoncea seasonwith lightoil.

Rear Wheels

The rearwheelsshouldberemovedfromthe axlesonce aseason.

JLubricatethe axlesandthe rimswellwithan all-purposegreasebefore

Figure14re-installingthem.

Front Axles

samepositionas the originalparts. Clean Engine

Dailyor beforeeveryuse,cleangrass,chaffor accumulated debrisfromengine.Keeplinkage,spring,andcontrolsclean.

Keepareaaroundandbehindmufflerfreeof any combustible debris.

Keepingenginecleanallowsairmovementaroundengine.

Enginepartsshouldbe keptcleanto reducethe riskof overheat- ingandignitionof accumulateddebris.

Do notuse waterto cleanengineparts.Watercouldcontaminatefuel system.Usea brushordry cloth.

Carburetor Adjustment

Thecarburetoronthis engineisnot adjustable.

Eachendof thetractor'sfrontpivotbarmaybeequippedwitha grease fitting. Lubricatewitha greasegunafterevery25hoursof tractor operation.

Battery

The batteryis sealedand is maintenance-freeAcidlevelscannotbe. checked.

Alwayskeepthe batterycablesandterminalscleanandfree of corrosivebuild-up.

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. Whenre-installingthe battery,alwaysconnectthe POSITIVE(Red)wireto its terminalfirst,followedbythe NEGATIVE (Black)wire. Becertainthatthe wiresareconnectedto the correct

22terminals; reversingthemcouldchangethe polarityandresult in

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Craftsman 247.28902 manual Lubrication, Muffler, Pivot Points & Linkage, Front Axles