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Alwaysstop engine,disconnectspark plugwire, and groundagainst
enginebeforeperforming any type of maintenance on yourmachine.
GENERAL
RECOMMENDATIONS
•
Alwaysobservesafetyruleswhenperformingany maintenance.
•
Thewarrantyon this lawnmowerdoesnot coveritemsthat have
been subjectedto operatorabuseor negligence. T o receivefull
valuefromwarranty,operatormustmaintainthe equipment a s
instructedhere.
•
Changingof engine-governed speedwill voidenginewarranty.
•
All adjustmentsshouldbe checkedat leastonceeach season.
•
Periodically checkall fastenersand make suretheseare tight.
ENGINE
MAINTENANCE
Spark
Plug
Forgood performance, t he spark plug mustbe properlygappedand
freeof deposits.Replacethe spark plug annually.
1.
Disconnectthe cap fromthe spark plug,and removeanydirt from
the sparkplug area.
2.
Use the propersize sparkplug wrenchto removethe spark plug.
NOTE: Replacewith a Champion®RC12YCsparkplug.
3.
Checkthegap with a wire gauge.See Figure12.Sparkplug gap
shouldbe 0.020in (0.51ram). If necessary,resetthe gap.
4.
install and tightenthe sparkplug to the recommended torque(180
Ib-in[20 Nm]).
5.
Attachthe sparkplug capto thespark plug.
Air Cleaner
A dirty air cleanerwill restrictair flow to the carburetorand causepoor
engineperformance, i nspectthe filter eachtime theengine is oper-
ated.You will needto cleanthe filter morefrequentlyif youoperatethe
enginein verydusty areas.
Cleantheair cleanerevery 50 hoursof operationor once a season.
Replacetheair cleanerannually.
f
Electrode
Porcelain
Figure12
Fastener
Cover
Air Filter
Neverstartor run the enginewith the air cleanerassemblyor theair
filter removed.
NOTE:Do notuse pressurizedair or solventsto cleanthe filter.Pres-
surizedair can damagethefilter and solventswill dissolvethefilter.
1.
Removethefastenerand air cleanercover.See Figure13.
2.
Removethepre-cleaner(if equipped)and filter.
3.
Toloosendebris,gentlytap the filter on a hard surface,if filter is
excessively dirty, replacewith a newfilter.
Figure13
4.
Washthe pre-cleanerin liquiddetergentand waterand allowit to
thoroughlyair dry. Do not oil the pre-cleaner.
5.
Assemblethe dry pre-cleanerto the filter.
6.
installthe filter and pre-cleanerinto the base.Makesurefilter fits
securelyin the base.
7.
installair filtercoverand securewith fastener.Makesurethe
fasteneris tight.
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