g206628
Figure38
InstallingtheSparkPlug
g027480
Figure39
CleaningtheBlower
Housing
ServiceInterval:Every100hours/Yearly(whichever
comesrst)
Toensurepropercooling,ensurethatthegrass
screen,coolingns,andotherexternalsurfacesofthe
enginearekeptcleanatalltimes.
Cleanthecoolingnsandexternalsurfacesas
necessary.Makesurethatthecoolingshroudsare
installed.T orquetheblowerhousingscrewsto7.5
N∙m(5.5ft-lb).
Important:Operatingtheenginewithablocked
grassscreen,dirtyorpluggedcoolingns,and/or
coolingshroudsremoved,causesenginedamage
duetooverheating.
FuelSystem
Maintenance
DANGER
Incertainconditions,fuelisextremely
ammableandhighlyexplosive.Areor
explosionfromfuelcanburnyouandothers
andcandamageproperty.
RefertoFuelSafety(page12)foracomplete
listoffuelrelatedprecautions.
ReplacingtheIn-LineFuel
Filter
ServiceInterval:Every100hoursoryearly,
whichevercomesrst—Checkthe
in-linefuellter.
Every200hours/Every2years(whichever
comesrst)—Replacethein-linefuellter.
Neverinstalladirtylterafterremovingitfromthe
fuelline.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andmovethe
motion-controlleversoutwardtothePARK
position.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Replacethelter(Figure40).
Note:Ensurethatthemarkingsonthelter
followthefuelowdirection.
33