Craftsman 247.88933 manual GENERAL RECOMMENDATmONS, ENGmNE MAINTENANCE

Alwaysstopengine,disconnectsparkplug,andgroundagainst enginebeforeperforminganytypeof maintenanceon the mower,

GENERAL RECOMMENDATmONS

Alwaysobservesafetyruleswhen performingany typeof maintenanceon the mower,

•Thewarrantyon thislawnmowerdoesnot coveritemsthathave beensubiectedto operatorabuseor negligence,To receivefull valuefromwarranty,operatormust maintainthe lawnmoweras instructedin thismanual

•Changingof engine-governedspeedwill voidenginewarranty,

•Alladiustmentsshouldbecheckedat leastonceeach season,

,Periodicallycheckall fastenersand makesuretheyaretight,

ENGmNE MAINTENANCE

Checking the Spark Plug

Cleansparkplugandresetthe electrodegapto 0,030"at leastoncea season;replaceevery100hoursof operation,

1, Cleanareaaroundthe sparkplugbase,Do notsandblastspark plug,Sparkplugshouldbecleanedby scrapingorwire brushing andwashingwitha commercialsolvent

2, Removeandinspectthe sparkplug,Checkgapto makesure it is setat ,030", SeeFigure9,

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

f Electrode Porcelain

Servicing the Air Cleaner

If filters,or coversarenotinstalledcorrectlyseriousiniuryordeath could resultfrombackfire,Do not attemptto startthe enginewith themremoved,

Do not usepressurizedairor solventsto cleanthe aircleaner cartridge,

Cleanor replacethe aircleanerevery25 hoursof operation,

1, Pulluponair cleanerhandle,Figure10,and pullbacktowardsthe engine,

2, Removethe aircleanercover,Figure10,

3, Carefullyremoveair cleanercartridgeand pre-cleaner(if equipped)fromthe blowerhousing,

4, Cleanthe baseof the aircleanercartridgecarefullyto prevent debrisfromenteringthe engine,

5, Placethe pre-cleaner,if equipped,and cartridgebackintothe blowerhousing,The carNdgemustbe placedsecurelyinto position,

6, Aligntabsoncoverwithslotsin blowerhousingand replacethe cover,

f-

AirCleanerCover	_-Air	Cleaner Cartridge
	\

AirCleanerHandle

J

Figure10

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