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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Figure15
Lubricateall the pivotpointsonthe drivesystem,parkingbrakeandlift linkageat leastoncea seasonwith lightoil.
Rear Wheels
The rearwheelsshouldberemovedfromthe axlesonce aseason.
JLubricatethe axlesandthe rimswellwithan
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
•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.
22terminals; reversingthemcouldchangethe polarityandresult in