Craftsman 247.887210 Electrode Porcelain, 030 .76 mm gap, Cover Air Cleaner Cartridge Base

Models: 247.887210 88721

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Electrode Porcelain

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Alwaysstopengine,disconnectsparkplugwire,andgroundagainst

enginebeforeperformingany typeof maintenanceon yourmachine.

GENERAL RECOMMENDATIONS

Alwaysobservesafetyruleswhenperformingany maintenance.

Thewarrantyon thislawnmowerdoesnot coveritemsthathave beensubjectedto operatorabuseor negligence.To receivefull valuefromwarranty,operatormustmaintaintheequipmentas instructedhere.

Changingof engine-governedspeedwill voidenginewarranty.

Alladjustmentsshouldbecheckedat leastonceeach season.

Periodicallycheckall fastenersand makesurethesearetight.

Electrode Porcelain

--* .030(.76 mm) gap

Figure12

ENGINE MAINTENANCE

Checking the Spark Plug

Cleansparkplugandresettheelectrodegapto 0.030"at leastoncea season;replaceevery100hoursof operation.

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

Removeand inspectthe sparkplug.Checkgapto makesureit is setat .030".SeeFigure12.

Replacethe sparkplugif electrodesarepitted,burned,or the porcelainis cracked.

Servicing the Air Cleaner

Do notuse pressurizedair or solventsto cleanthe aircleaner cartridge.

Theair cleanerpreventsdamagingdirt, dust,etc.,fromenteringthe carburetorandbeingforcedintothe engineandis importantto engine lifeand performance.Neverrunthe enginewithoutan aircleaner completelyassembled.

Cleanor replacetheair cleanerevery25hoursof operation.

1.Loosenscrewsthatholdthe airfiltercover.

2.Opencoverandremovecartridge.See Figure13.

3.Installnewaircleanercartridge.Cartridgemustfit securelyin base.

4.Placecoveroveraircleaner.

5.Tightenscrews.

NOTE:If thefilteris torn ordamagedin anyway,replaceit.

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Screws

Cover

Air Cleaner

Cartridge

Base

Figure13

Afterservicingtheair cleaner,be sureallthe removedpartsare reinstalledproperlyin place.Failureto securelyfastentogetherair cleanercaseandaircleanerbodymaycausedirt orotherforeign

materialsto enterthe enginewhile it is running,resultinginengine troublesor failures.

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Craftsman 247.887210 manual Electrode Porcelain, 030 .76 mm gap, Cover Air Cleaner Cartridge Base, Engine Maintenance