Toro 74790 - Engine Maintenance: Air Cleaner Service

EngineMaintenance
ServicingtheAirCleaner
Note:Servicetheaircleanermorefrequently(every
fewhours)ifoperatingconditionsareextremelydusty
orsandy.
RemovingtheElements
1.Parkthemachineonalevelsurfaceand
disengagetheblade-controlswitch(PTO).
2.Engagetheparkingbrake,shutofftheengine,
removethekey,andwaitforallmovingpartsto
stopbeforeleavingtheoperatingposition.
3.Cleanaroundtheair-cleanercovertoprevent
dirtfromgettingintotheengineandcausing
damage.
4.Liftthecoverandrotatetheair-cleanerassembly
outoftheengine(Figure26).
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Figure26
5.Removethefoamelementfromthepaper
element(Figure27).
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Figure27
ServicingtheFoamElement
ServiceInterval:Every25hours/Monthly(whichever
comesrst)—Cleantheaircleaner
foamelement(moreoftenindusty,
dirtyconditions).
Every100hours/Yearly(whichevercomes
rst)—Replacetheaircleanerfoamelement
(moreoftenindusty,dirtyconditions).
Washthefoamelementwithwaterandreplacethe
foamelementifitisdamaged.
ServicingthePaperElement
ServiceInterval:Every100hours/Yearly(whichever
comesrst)—Servicetheaircleaner
paperelement(moreoftenindusty,
dirtyconditions).
Every200hours/Every2years(whichever
comesrst)—Replacetheaircleanerpaper
element(moreoftenindusty,dirtyconditions).
1.Lightlytaptheelementonaatsurfaceto
removedustanddirt.
2.Inspecttheelementfortears,anoilylm,and
damagetotheseal.
Important:Donotcleanthepaperelement
withpressurizedairorliquids,suchas
solvent,gas,orkerosene.Replacethepaper
elementifitisdamagedorcannotbecleaned
thoroughly.
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