CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
g206628
Figure55
InstallingtheSparkPlug
g027661
Figure56
ServicingaKohler
®
Engine
ThissectionisonlyformachineswithKohlerengines.
IfyourenginelooksliketheoneshowninFigure57,
youhaveaKohlerengine.
Important:Refertoyourengineowner’smanual
foradditionalmaintenanceprocedures.
g036713
Figure57
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily—For
Kohlerengines—checktheair
cleanerfordirty,loose,ordamaged
parts.
Every25hours—ForKohlerengines—service
orreplacetheair-cleanerfoamelement(more
oftenunderdusty,dirtyconditions).
Every100hours—ForKohlerengines—replace
theair-cleanerpaperelement(moreoftenunder
dusty,dirtyconditions).
Thisengineisequippedwithareplaceable,
high-densitypaperandfoamair-cleanerelement.
Checktheaircleanerdailyorbeforestartingthe
engine.Checkforabuildupofdirtanddebrisaround
theair-cleanersystem.Keepthisareaclean.Also,
checkforlooseordamagedcomponents.Replaceall
bentordamagedair-cleanercomponents.
Note:Operatingtheenginewithlooseordamaged
air-cleanercomponentscouldallowunlteredairinto
theengine,causingprematurewearandfailure.
Note:Servicetheaircleanermoreoftenunderdusty,
dirtyconditions.
47