Operator's Manual

InstallingtheSparkPlug
Tightenthesparkplugto25to29N·m(18to22ft-lb).
g027735
Figure35
CleaningtheBlower
Housing
Toensurepropercooling,makesurethatthegrass
screen,coolingns,andotherexternalsurfacesofthe
enginearekeptcleanatalltimes.
Annually,orevery100hoursofoperation(moreoften
underextremelydusty,dirtyconditions),removethe
blowerhousingandanyothercoolingshrouds.Clean
thecoolingnsandexternalsurfacesasnecessary.
Makesurethatthecoolingshroudsareinstalled.
Torquetheblowerhousingscrewsto7.5N·m(5.5
ft-lb).
Important:Operatingtheenginewithablocked
grassscreen,dirtyorpluggedcoolingns,and/or
coolingshroudsremoved,causesenginedamage
duetooverheating.
FuelSystem
Maintenance
DANGER
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areor
explosionfromgasolinecanburnyouand
othersandcandamageproperty.
•Performanyfuel-relatedmaintenance
whentheengineiscold.Dothisoutdoors
inanopenarea.Wipeupanygasolinethat
spills.
•Neversmokewhendraininggasolineand
stayawayfromanopenameorwherea
sparkmayignitethegasolinefumes.
ReplacingtheIn-LineFuel
Filter
ServiceInterval:Every100hours—Replacethe
in-linefuellter.
Neverinstalladirtylterifitisremovedfromthefuel
line.
1.Parkthemachineonalevelsurfaceand
disengagetheblade-controlswitch.
2.Movethemotion-controlleversoutwardtothe
PARKposition,shutofftheengine,removethe
key,andwaitforallmovingpartstostopbefore
leavingtheoperatingposition.
3.Replacethein-linelter(Figure36).
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