Craftsman 247.887330 manual General Recommendations, Engine Maintenance

Alwaysstopengine,disconnectsparkplug,andgroundagainst enginebeforeperforminganytypeof maintenanceonthe mower.

GENERAL RECOMMENDATIONS

Alwaysobservesafetyruleswhenperformingany typeof maintenanceon the mower.

Thewarrantyon thislawnmowerdoesnot coveritemsthathave beensubjectedto operatorabuseor negligence.To receivefull valuefromwarranty,operatormustmaintainthe lawnmoweras instructedin thismanual.

Servicing the Air Cleaner

Iffilters,or coversare notinstalledcorrectlyseriousinjuryordeath could resultfrombackfire.Do notattemptto startthe enginewith themremoved.

•Changingof engine-governedspeedwill voidenginewarranty.

•Alladjustmentsshouldbecheckedat leastonceeach season.

•Periodicallycheckall fastenersand makesuretheyare tight.

ENGINE MAINTENANCE

Checking the Spark Plug

Cleansparkplugandresettheelectrodegapto 0.030"at leastoncea season;replaceevery100hoursof operation.

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

2.Removeand inspectthe sparkplug.Checkgapto makesureit is setat .030".SeeFigure9.

3.Replacethe sparkplugif electrodesarepitted,burned,or the porcelainis cracked.

Donot use pressurizedairor solventsto cleantheair cleaner cartridge.

Cleanor replacethe aircleanerevery25 hoursof operation.

1.Pulluponair cleanerhandle,Figure10,andpullbacktowardsthe engine.

. Removethe aircleanercover,Figure10.

f

Air CleanerCover Air CleanerCartridge

\

AirCleanerHandle

ElectrodePorcelain

l

		Figure10
.030inch (.76ram)gap	3.	Carefullyremoveaircleanercartridgeandpre-cleaner(if
	J	equipped)fromthe blowerhousing.
Figure9	4.	Cleanthe baseof the aircleanercartridgecarefullyto prevent
		debrisfromenteringthe engine.
	5.	Placethe pre-cleaner,if equipped,andcartridgebackinto the
		blowerhousing.The cartridgemustbeplacedsecurelyinto
		position.
	6.	Aligntabsoncoverwithslotsin blowerhousingand replacethe
		cover.

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