Craftsman 247.38528 manual General Recommendations, Engine Maintenance

Alwaysstopengine,disconnectsparkplugwire,andgroundagainst enginebeforeperformingany typeof maintenanceon yourmachine.

GENERAL RECOMMENDATIONS

•Alwaysobservesafetyruleswhenperformingany maintenance.

•Thewarrantyon thislawnmowerdoesnot coveritemsthathave beensubjectedto operatorabuseor negligence.To receivefull valuefromwarranty,operatormustmaintainthe equipmentas instructedhere.

•Changingof engine-governedspeedwill voidenginewarranty.

•Alladjustmentsshouldbecheckedat leastonceeach season.

•Periodicallycheckall fastenersandmakesurethesearetight.

ENGINE MAINTENANCE

Spark Plug

Forgoodperformance,the sparkplugmustbeproperlygappedand freeof deposits.Replacethe sparkplugannually.

1.Disconnectthe cap fromthe sparkplug,andremoveanydirt from the sparkplugarea.

2.Usethe propersizesparkplugwrenchto removethe sparkplug.

NOTE: Replacewitha Champion®RC12YCsparkplug.

3.Checkthegapwitha wire gauge.SeeFigure11.Sparkpluggap shouldbe0.030in (0.76ram). If necessary,resetthe gap.

4.installandtightenthe sparkplugto the recommendedtorque(180 Ib-in[20 Nm]).

5.Attachthe sparkplugcapto thesparkplug.

Air Cleaner

Adirtyaircleanerwill restrictairflowto the carburetorandcausepoor engineperformance,inspectthe filtereachtimetheengineis oper- ated.Youwill needto cleanthe filtermorefrequentlyif youoperatethe enginein verydusty areas.

Cleantheair cleanerevery25hoursof operationoronce a season. Replacetheaircleanerannually.

Neverstartor runthe enginewiththe aircleanerassemblyor theair filterremoved.

NOTE:Do notuse pressurizedairor solventsto cleanthe filter.Pres- surizedair can damagethefilterandsolventswill dissolvethefilter.

1.Loosenscrewandtilt plastichousingcoveron sideof engine down.SeeFigure16.

2.Removeairfilterfromplastichousingcoverandreplacewith cleanor newfilter.

3.insertcover'stabsinto slotsin bottomof base.

4.Tiltcoverupinto placeandtightenscrew.

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Electrode

Figure11

Figure12

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