Operation Manual

Figure28
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
Important: Do not clean the spar k plug . Always
replacethesparkplugwhenithasablackcoating,
wornelectrodes,anoilylm,orcracks.
2.Checkthegapbetweenthecenterandsideelectrodes
(Figure28)andbendthesideelectrodeifthegapis
notcorrect.
InstallingtheSparkPlug
1.Installthesparkplugandmetalwasher.Ensurethat
theairgapissetcorrectly.
2.Tightenthesparkplugto15ft-lb(20.4N-m).
3.Connectthewiretothesparkplug(Figure27).
4.Closethehood.
FuelSystem
Maintenance
DrainingtheFuelTank
Drainthefueltankwhenyouwillnotbeusingthemachine
formorethan30days.
DANGER
Incertainconditions,gasolineandgasolinevapors
areextremelyammableandhighlyexplosive.A
reorexplosionfromgasolinecanburnyouand
othersandcandamageproperty.
•Draingasolinefromthefueltankwhenthe
engineiscold.Dothisoutdoorsinanopenarea.
Wipeupanygasolinethatspills.
•Neversmokewhendraininggasoline,andstay
awayfromanopenameorwhereasparkmay
ignitethegasolinefumes.
1.Parkthemachinesothattheleftfrontsideisslightly
lowerthantherightsidetoensurethatthefueltank
drainscompletely.
2.Disengagetheblades(PTO).
3.Settheparkingbrake.
4.Stoptheengineandwaitforallmovingpartstostop.
5.Removetheignitionkey.
6.Closethefuelshut-offvalvelocatedunderthefront
ofthefueltank.
7.Loosenthehoseclampatthefuellterandslideitup
thefuellineawayfromthefuellter(Figure29).
Figure29
1.Hoseclamp
3.Fuellter
2.Fuelline
8.Pullthefuellineoffthefuellter(Figure29).
9.Openthefuelshut-offvalveandallowthegasolineto
drainintoanapprovedfuelcontaineroradrainpan.
25