Alwaysstopengine,disconnectsparkplug,andgroundagainst
enginebeforeperforminganytypeof maintenanceonthemower.
GENERAL RECOMMENDATIONS
Alwaysobservesafetyruleswhenperforminganytypeof
maintenanceon the mower.
Thewarrantyonthis lawnmowerdoesnot coveritemsthat have
beensubjectedtooperatorabuseor negligence.Toreceivefull
valuefromwarranty,operatormustmaintainthelawnmoweras
instructedinthismanual.
• Changingofengine-governedspeedwillvoid enginewarranty.
• Alladjustmentsshouldbecheckedatleast onceeachseason.
• Periodicallycheckallfastenersandmakesure theyare tight.
ENGINE MAINTENANCE
Checking the Spark Plug
Cleansparkplugand resettheelectrodegapto 0.030"atleastonce a
season;replaceevery100hoursof operation.
1. Cleanareaaroundthesparkplug base.Do not sandblastspark
plug.Sparkplugshould becleanedby scrapingor wire brushing
andwashingwitha commercialsolvent
2. Removeand inspectthe sparkplug.Checkgap to makesureit is
setat .030".SeeFigure9.
3. Replacethe spark plug if electrodesarepitted,burned,or the
porcelainiscracked.
Electrode
lPorcelain
.030inch(.76 ram)gap
Figure9
J
Servicing the Air Cleaner
Iffilters,or coversare notinstalledcorrectlyseriousinjuryor death
couldresultfrom backfire.Donotattemptto startthe enginewith
themremoved.
Donotuse pressurizedairorsolventsto cleanthe air cleaner
cartridge.
Cleanor replacetheair cleanerevery25 hoursof operation.
1. Pulluponair cleanerhandle,Figure10,and pullback towardsthe
engine.
Removetheaircleanercover,Figure10.
.
f
Air CleanerCover Air CleanerCartridge
\
AirCleanerHandle
Figure10
3. Carefullyremoveaircleanercartridgeandpre-cleaner(if
equipped)fromtheblowerhousing.
4. Cleanthebase oftheair cleanercartridgecarefullytoprevent
debrisfromenteringthe engine.
5. Placethepre-cleaner,ifequipped,andcartridgebackinto the
blowerhousing.Thecartridgemustbe placedsecurelyinto
position.
6. Aligntabsoncover withslotsin blowerhousingand replacethe
cover.
14