EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keepyourhands,feet,face,clothing,and
otherbodypartsawaythemuferandother
hotsurfaces.
EngineSafety
Shutofftheenginebeforecheckingtheoiloradding
oiltothecrankcase.
ServicingtheAirCleaner
ServiceInterval:Every250hours—Replacethe
primaryairlter.
Every250hours—Checkthesecondaryair
lter.
Every500hours—Replacethesecondaryair
lter.
Note:Servicetheaircleanermorefrequentlyif
operatingconditionsareextremelydustyorsandy.
RemovingtheFilters
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Pushdowntoreleasetheretainingclampson
theaircleaner,andpulltheair-cleanercoveroff
theair-cleanerbody(Figure52).
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutofthe
air-cleanerbody(Figure52).Avoidknockingthe
lterintothesideofthebody.
6.Removethesecondarylteronlyifyouintend
toreplaceit.
Important:Neverattempttocleanthe
secondarylter.Ifthesecondarylteris
dirty,thentheprimarylterisdamagedand
youshouldreplacebothlters.
7.Inspecttheprimarylterfordamagebylooking
intothelterwhileshiningabrightlightonthe
outsideofthelter.
Note:Holesinthelterappearasbrightspots.
Note:Ifthelterisdamageddiscardit.
g009031
Figure52
1.Air-cleanerclamps
3.Primaryairlter
2.Air-cleanercover
4.Secondaryairlter
ServicingthePrimaryFilter
1.Donotcleanthepaperlter,replaceit(Figure
52).
2.Inspecttheelementfortears,anoilylm,or
damagetotherubberseal.
3.Replacethepaperelementifitisdamaged.
ServicingtheSecondaryFilter
Donotcleanthesecondarylter,replaceit.
Important:Donotattempttocleanthesecondary
lter.Ifthesecondarylterisdirty,thenthe
primarylterisdamagedandyoushouldreplace
bothlters.
InstallingtheFilters
Important:Topreventenginedamage,always
operatetheenginewithbothairltersandthe
coverinstalled.
1.Ifinstallingnewlters,checkeachlterfor
shippingdamage.
Note:Donotuseadamagedlter.
2.Ifthesecondarylterisbeingreplaced,carefully
slideitintothelterbody(Figure52).
3.Carefullyslidetheprimarylteroverthe
secondarylter(Figure52).
4.Ensurethatitisfullyseatedbypushingonthe
outerrimofthelterwhileinstallingit.
Important:Donotpressonthesoftinside
areaofthelter.
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