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Alwaysstopengine,disconnectsparkplug,andgroundagainst
enginebeforeperforminganytypeof maintenanceonthe mower.
GENERAL RECOMMENDATIONS
Alwaysobservesafetyruleswhenperformingany type of
maintenanceon the mower.
Thewarrantyon thislawnmowerdoesnot coveritemsthathave
beensubjectedto operatorabuseor negligence.To receivefull
valuefromwarranty,operatormustmaintainthe lawnmoweras
instructedin this manual.
• Changingof engine-governedspeedwill voidenginewarranty.
• Alladjustmentsshouldbe checkedat least onceeach season.
• Periodicallycheckall fastenersand makesuretheyare tight.
ENGINE MAINTENANCE
Checking the Spark Plug
Cleansparkplugand reset theelectrodegap to 0.030"at leastoncea
season;replaceevery100hoursof operation.
1. Cleanareaaroundthe spark plug base.Do not sandblastspark
plug.Sparkplugshouldbe cleanedby scrapingor wire brushing
andwashingwitha commercialsolvent
2. Removeand inspectthe spark plug.Checkgap to makesureit is
setat .030".See Figure9.
3. Replacethe sparkplugif 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 use pressurizedairor solventsto cleantheair cleaner
cartridge.
Cleanor replacethe aircleanerevery25 hoursof operation.
1. Pull up on air cleanerhandle,Figure10,and pull back towardsthe
engine.
Removethe aircleanercover,Figure10.
.
f
Air CleanerCover Air CleanerCartridge
\
AirCleanerHandle
Figure10
3. Carefullyremoveair cleanercartridgeand pre-cleaner(if
equipped)fromthe blowerhousing.
4. Cleanthe baseof the air cleanercartridgecarefullyto prevent
debrisfromenteringthe engine.
5. Placethe pre-cleaner,if equipped,and cartridgeback into the
blowerhousing.The cartridgemustbe placedsecurelyinto
position.
6. Align tabs on cover with slotsin blowerhousingand replacethe
cover.
14
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