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Alwaysstop engine,disconnectsparkplugwire,andgroundagainst
enginebeforeperformingany typeof maintenanceon yourmachine.
GENERAL RECOMMENDATIONS
• Alwaysobservesafetyruleswhenperformingany maintenance.
• Thewarrantyon thislawnmowerdoesnot coveritemsthat have
beensubjectedto operatorabuseor negligence.To receivefull
valuefromwarranty,operatormustmaintainthe equipmentas
instructedhere.
• Changingof engine-governedspeedwill voidenginewarranty.
• Alladjustmentsshouldbe checkedat leastonceeach season.
• Periodicallycheckall fastenersandmakesurethesearetight.
ENGINE MAINTENANCE
Spark Plug
Forgood performance,the sparkplugmustbeproperlygappedand
freeof deposits.Replacethe spark plug annually.
1. Disconnectthe cap fromthe sparkplug,and removeanydirt from
the sparkplug area.
2. Usethe propersize sparkplug wrenchto removethe spark plug.
NOTE: Replacewith a Champion®RC12YCsparkplug.
3. Checkthegap with a wire gauge.See Figure15.Sparkplug gap
shouldbe 0.030in (0.76ram).If necessary,resetthe gap.
4. installandtightenthe sparkplugto the recommendedtorque(180
Ib-in[20 Nm]).
5. Attachthe sparkplugcapto thesparkplug.
Air Cleaner
A dirtyaircleanerwill restrictair flow to the carburetorand causepoor
engineperformance,inspectthe filtereachtimetheengineis oper-
ated.Youwill needto cleanthe filtermorefrequentlyif youoperatethe
enginein verydusty areas.
Cleantheair cleanerevery25hoursof operationoronce a season.
Replacetheair cleanerannually.
f
Electrode
Figure15
Neverstartor runthe enginewith the aircleanerassemblyor theair
filterremoved.
Figure16
NOTE:Do notuse pressurizedairor solventsto cleanthe filter.Pres-
surizedair can damagethefilter and solventswill dissolvethefilter.
1. Loosenscrewand tilt plastichousingcoveron sideof engine
down.SeeFigure16.
2. Removeair filter from plastichousingcover.
3. Toloosendebris,gentlytap the filter on a hard surface,if the filter
is excessivelydirty, replacewith a newfilter.
4. insertcover'stabsinto slotsin bottomof base.
5. Tiltcoverupinto placeandtightenscrew.
17
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