Toro 74969 - Servicing a Kohler Engine

ServicingaKohler
®
Engine
ThissectionisonlyformachineswithKohlerengines.
IfyourenginelooksliketheoneshowninFigure55,
youhaveaKohlerengine.
Important:Refertoyourengineowner’smanual
foradditionalmaintenanceprocedures.
g230523
Figure55
ServicingtheAirCleaner
ServiceInterval:Every150hours—ForKohler
engines—inspecttheprimarylter.
Every300hours/Yearly(whichevercomes
rst)—ForKohlerengines—replacethe
primaryairlter(moreoftenindustyorsandy
conditions).
Every300hours—ForKohlerengines—check
theinnerairlter.
Every600hours—ForKohlerengines—replace
theinnerairlter.
Note:Checktheltersmorefrequentlyifthe
operatingconditionsareextremelydustyorsandy.
RemovingtheFilters
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Releasethelatchesontheaircleanerandpull
theair-cleanercoverofftheair-cleanerbody
(Figure56).
g001883
Figure56
1.Air-cleanerbody4.Air-cleanercover
2.Primarylter5.Safetylter
3.Latch
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutofthe
air-cleanerbody(Figure56).
Note:Avoidknockingthelterintothesideof
thebody.
6.Removethesafetylteronlytoreplaceit.
Important:Donotattempttocleanthe
safetylter.Ifthesafetylterisdirty,then
theprimarylterisdamaged.Replaceboth
lters.
7.Inspecttheprimarylterfordamagebylooking
intothelterwhileshiningabrightlightonthe
outsideofthelter.
Note:Holesinthelterappearasbrightspots.
Ifthelterisdamaged,discardit.
InspectingtheFilters
1.Inspectthesafetylter.Ifitisdirty,replaceboth
thesafetyandprimarylters.
Important:Donotattempttocleanthe
safetylter.Ifthesafetylterisdirty,then
theprimarylterisdamaged.
2.Inspecttheprimarylterfordamagebylooking
intothelterwhileshiningabrightlightonthe
outsideofthelter.Iftheprimarylterisdirty,
bent,ordamaged,replaceit.
Note:Holesinthelterappearasbrightspots.
Donotcleantheprimarylter.
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