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.
f
Measurethe pluggapwitha feelergauge.Correctas necessary
by bendingsideelectrode.SeeFig. 29.The gapshouldbe set to
between0.024-0.031in.
Electrode
4.
5.
Figure29
Checkthatthe sparkplugwasheris ingood conditionandthread
the sparkplug in by handto preventcross-threading.
Afterthesparkplug is seated,tightenwitha sparkplugwrenchto
compressthe washer.
NOTE: Wheninstallinga newsparkplug,tighten 1/2turn after
the sparkplug seatsto compressthe washer.Whenreinstallinga
usedsparkplug,tighten1/8-1/4turnafterthe sparkplugseatsto
compressthe washer.
IMPORTANT: The sparkplugmustbe securelytightened.An
improperlytightenedsparkplugcan becomevery hotand may
damagethe engine.
Fuel Filter Service
Gasolineandits vaporsare extremelyflammableandexplosive.Fire
or explosioncan causesevereburnsor death.
• Keepgasolineawayfrom sparks,openflames,pilotlights,heat,
andotherignitionsources.
• Checkfuellines,tank,cap,and fittingsfrequentlyfor cracksor
leaks.Replaceif necessary.
• Beforereplacingthe fuel filter,drainthe fueltank as inToDrain
the Fuel.
• Do notdrainfuel whentheengineishot. Allowtheengine
adequatetimeto cool. Drainfuel intoan approvedcontainer
outdoors,awayfromopenflame.
• Drainany largevolumeof fuelfromthe tankby disconnectingthe
fuellinefromthe in-linefuel filter near theengine.
• Removethefuel linefromthe In-lineside (sidetowardsthe fuel
tank)of thefuel filter.
• Replacementpartsmustbe the sameandinstalledin the same
positionas the originalparts.
• If fuelspills,waituntil itevaporatesbeforestartingengine.
• Beforereplacingthe fuel filter,drainthe fueltank. Otherwise,fuel
can leakoutand causea fireor explosion.
To DrainThe Fuel:
1. Locatethe fuelfilter,whichisroutedontheleftsideof theengine
betweenthefuel tankand thecarburetor,and may be attachedto
the enginewitha tie strap.Cutthe tie strap,ifpresent,thenpinch
the in-lineclamponthe fuelfilterwitha pairofpliers,slidethe
clampupthe fuelline.Pullthefuel linefreefromthe filterandplace
the openend ofthe lineintoan approvedcontainerto drainthe fuel.
To ChangeThe FuelFilter:
2. Usepliersto squeezethetabson the otherclamp(the out-line
sideof the fuelfilter),and slidetheclamp awayfrom thefuel filter.
Twistandpull the fuel line off of the fuel filter.See Fig. 30.
3. Checkthe fuel linesforcracksorleaks.Replaceifnecessary.
4. Replacethefuel filterwithanoriginalequipmentreplacementfilter.
Call1-800-4-MY-HOME®to purchasethe originalequipment
replacementfilter.
Securethe fuellineswiththe clamps.
.
The fuelfiltercannot be cleanedand shouldbe replacedevery100
operatinghours;moreoftenif runwith old gasoline.
FuelFilter /
Tab
Fuel Line
\
\
Figure30
Clean Engine
Iftheenginehasbeenrunning,allowit tocool forat leasthalfan hour
beforecleaning.Periodicallyremovedirtbuild-upfromengine.Cleanthe
enginecoolingfinsevery25hours.Cleanwitha brushor compressed
air.
IMPORTANT: Do notsprayenginewith waterto cleanbecausewa-
ter couldcontaminatefuel. Usinga gardenhoseor pressurewashing
equipmentcan alsoforce waterinto theair cleaneror muffleropening.
Waterin the air cleanerwill soakthe paperelement,and waterthat
passesthroughthe elementor mufflercanenterthe cylinder,causing
damage.
Accumulationof debrisaroundmufflercouldcausea fire.Inspectand
cleanbeforeeveryuse.
25
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