ServicingtheAirCleaner
ServiceInterval:Every100hours—Servicetheair
cleanerlterelement(moreoftenin
dusty,dirtyconditions).
Every200hours—Replacetheair
cleanerlterelement(moreoftenin
dusty,dirtyconditions).
RemovingtheElement
1.Parkthemachineonalevelsurfaceanddisengage
thebladecontrol(PTO).
2.Stoptheengine,waitforallmovingpartstostop,and
removethekeybeforeleavingtheoperatingposition.
3.Openthehood.
4.Cleanaroundtheaircleanertopreventdirtfrom
gettingintotheengineandcausingdamage.
5.Liftthecoverandremovethehoseclampthat
securestheaircleanerassemblytotheengine
(
Figure20).
Figure20
1.Cover
3.Hoseclamp
2.Filterelement
6.Loosenthehoseclampandremovetheelement
(Figure20).
CleaningtheElement
1.Lightlytaptheelementonasolidatsurfaceto
removedustanddirt.
2.Inspecttheelementfortears,anoilylm,and
damagetotheseal.
Important:Donotcleantheelementwith
pressurizedairorliquids,suchassolvents,
gasoline,orkerosene.Replacetheelementifit
isdamagedorcannotbecleanedthoroughly.
ServicingtheSparkPlugs
ServiceInterval:Every100hours—Checkthespark
plugs.
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingeachsparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplugsandagappingtoolorfeelergaugeto
checkandadjusttheairgap.Installnewsparkplugsif
necessary.
Type:NGKBPR4ESorequivalent
AirGap:0.030inch(0.76mm)
RemovingtheSparkPlugs
1.Disengagethebladecontrol(PTO).
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Openthehood.
4.Removetheshieldoverthesparkplugs.
5.Disconnectthewirefromeachsparkplug
(Figure21).
Figure21
1.Spark-plugwire
6.Cleanaroundthesparkplugstopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
Note:Becauseofthedeeprecessaroundthespark
plug,blowingoutthecavitywithcompressedairis
21