Filter
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Alwaysstopengine,disconnectsparkplugwire,andgroundagainst
enginebeforeperforminganytypeofmaintenanceon yourmachine.
GENERAL RECOMMENDATIONS
• Alwaysobservesafetyruleswhenperforminganymaintenance.
• Thewarrantyon thislawnmowerdoesnotcoveritemsthathave
beensubjectedtooperatorabuseor negligence.Toreceivefull
valuefromwarranty,operatormustmaintaintheequipmentas
instructedhere.
• Changingofengine-governedspeedwillvoidenginewarranty.
• Alladjustmentsshouldbecheckedat leastonceeachseason.
• Periodicallycheckall fastenersandmakesurethesearetight.
ENGINE MAINTENANCE
Spark Plug
Forgoodperformance,thesparkplugmustbeproperlygappedand
freeofdeposits.Replacethesparkplugannually.
1. Disconnectthecapfromthesparkplug,andremoveanydirtfrom
thesparkplugarea.
2. Usethepropersizesparkplugwrenchtoremovethesparkplug.
NOTE:Replacewitha Champion®RC12YCsparkplug.
3. Checkthegapwitha wiregauge.SeeFigure12.Sparkpluggap
shouldbe0.020in(0.51ram).If necessary,resetthegap.
4. installandtightenthesparkplugtotherecommendedtorque(180
Ib-in[20 Nm]).
5. Attachthesparkplugcapto thesparkplug.
Air Cleaner
A dirtyaircleanerwillrestrictairflowtothecarburetorandcausepoor
engineperformance,inspectthefiltereachtimetheengineisoper-
ated.Youwillneedtocleanthefiltermorefrequentlyifyouoperatethe
enginein verydustyareas.
Cleantheair cleanerevery50hoursofoperationoroncea season.
Replacetheaircleanerannually.
f
Electrode
Porcelain
Figure12
Fastener
Cover
Air Filter
Neverstartor runtheenginewiththeaircleanerassemblyor theair
filterremoved.
NOTE:Donotusepressurizedairor solventstocleanthe filter.Pres-
surizedair candamagethefilterandsolventswilldissolvethefilter.
1. Removethefastenerandair cleanercover.See Figure13.
2. Removethepre-cleaner(ifequipped)andfilter.
3. Toloosendebris,gentlytapthefilterona hardsurface,iffilteris
excessivelydirty,replacewitha newfilter.
Figure13
4. Washthe pre-cleanerin liquiddetergentandwaterandallowit to
thoroughlyair dry.Donot oilthe pre-cleaner.
5. Assemblethedrypre-cleanertothefilter.
6. installthefilterandpre-cleanerintothebase.Makesurefilterfits
securelyin thebase.
7. installair filtercoverand securewithfastener.Makesurethe
fasteneristight.
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