Mfg. Co. Inc. Lawn Mower User Manual

Maintenance
damagedorexcessively
dirty.)
Note:DoNotoperatetheenginewithouttheair
cleanerassembly;extremeenginedamagewilloccur.
1.Stoptheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug
(Figure10).
3.Pressdownonthelatchtabsontopoftheair
cleanercover.
Figure28
1.Cover4.Paperlter
2.Foamelement5.Aircleanerhousing
3.Screengrid
4.Openthecover
5.Removescreengridandpaperlterassembly.
6.Iftheairlterisdamagedoriswetwithoilor
fuel,replaceit.
7.Iftheairlterisdirty,tapitonahardsurface
severaltimesorblowcompressedairlessthan
30psi(207kPa)throughthesideofthelter
thatfacestheengine.Ifthepaperelementis
excessivelydirty,replaceit.
Note:DoNotbrushthedirtoffthelter;
brushingforcesdirtintothebers.
8.Removethefoamelementandwashitwithamild
detergentandwater,thenblotitdry.
9.Saturatetheelementwithcleanengineoil,then
squeezeit(DoNottwist)toremovetheexcessoil.
10.Installthefoamelement.
11.Removedirtfromtheaircleanerhousingand
coverusingamoistrag.DoNotwipedirtinto
theairduct.
12.Installthelter.
13.Closethecover.
ServiceAirFilter
(EC21HNBBCand
EC21HNBBCXUnits)
ServiceInterval:Every25hours—Clean
thecover,base,foam
andpaperelements
(EC21HNBBCand
EC21HNBBCXUnits).
Every250hours—
Replacetheairlter
elements(EC21HNBBC
andEC21HNBBCXUnits).
(Mayneedmoreoften
iftheyaredamagedor
excessivelydirty.)
Note:DoNotoperatetheenginewithouttheair
cleanerassembly;extremeenginedamagewilloccur.
1.Stoptheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug
(Figure10).
3.Removethetwowingnutsthatsecurethecover
(Figure29).
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