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Alwaysstopengine,disconnectsparkplug,andgroundagainst
enginebeforeperforminganytypeof maintenanceonthe mower.
GENERAL RECOMMENDATIONS
Alwaysobservesafetyruleswhenperformingany typeof
maintenanceon the mower.
Thewarrantyon thislawnmowerdoesnot coveritemsthathave
beensubjectedtooperatorabuseor negligence.To receivefull
valuefromwarranty,operatormustmaintainthe lawnmoweras
instructedin thismanual.
• Changingof engine-governedspeedwill voidenginewarranty.
• Alladjustmentsshouldbecheckedat leastonceeach season.
• Periodicallycheckall fastenersand makesuretheyare tight.
ENGINE MAINTENANCE
Checking the Spark Plug
Cleansparkplugandresettheelectrodegapto 0.030"at leastoncea
season;replaceevery100hoursof operation.
1. Cleanareaaroundthe sparkplugbase.Do notsandblastspark
plug.Sparkplugshouldbecleanedby scrapingorwire brushing
andwashingwitha commercialsolvent
2. Removeand inspectthe sparkplug.Checkgapto makesureit is
setat .030".SeeFigure9.
3. Replacethesparkplugif electrodesarepitted,burned,or the
porcelainis cracked.
Electrode
l
Porcelain
.030inch (.76ram)gap
Figure9
J
Servicing the Air Cleaner
Iffilters,or coversare notinstalledcorrectlyseriousinjuryordeath
could resultfrombackfire.Do notattemptto startthe enginewith
themremoved.
Donot usepressurizedairor solventsto cleantheair cleaner
cartridge.
Cleanor replacethe aircleanerevery25 hoursof operation.
1. Pulluponair cleanerhandle,Figure10,andpullbacktowardsthe
engine.
Removethe aircleanercover,Figure10.
.
f
Air CleanerCover Air CleanerCartridge
\
AirCleanerHandle
Figure10
3. Carefullyremoveaircleanercartridgeandpre-cleaner(if
equipped)fromthe blowerhousing.
4. Cleanthe baseof theaircleanercartridgecarefullyto prevent
debrisfromenteringthe engine.
5. Placethe pre-cleaner,if equipped,andcartridgebackinto the
blowerhousing.The cartridgemustbeplacedsecurelyinto
position.
6. Aligntabsoncoverwithslotsin blowerhousingand replacethe
cover.
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