Toro 41177 - Fuel System Maintenance; Replacing the Fuel Filter

coatingontheinsulatorusuallymeanstheaircleaner
isdirty.
Important:Donotcleanthesparkplugs.
Alwaysreplaceasparkplugwhenithasablack
coating,wornelectrodes,anoilylm,orcracks.
2.Checkthegapbetweenthecenterandsideelectrodes
(Figure54)andbendthesideelectrode,ifthegap
isnotcorrect.
Figure54
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
InstallingtheSparkPlugs
1.Installthesparkplugsandmetalwashers.
2.Tightenthesparkplugsto18to22ft-lb(24.4to
29.8N-m).
3.Pushthewiresontothesparkplugs(Figure53).
4.Closeandlatchtheseat.
FuelSystem
Maintenance
ReplacingtheFuelFilter
ServiceInterval:Every100hours—Replacethefuel
lter.
Every400hours/Yearly(whichever
comesrst)—Inspectthefuellines.
1.Settheparkingbrake,stopthepump,stopthe
engine,andremovetheignitionkey.
2.Releasethelatchonthebackoftheseatandliftthe
seatforward.
3.Clampoffthehoseoneithersideofthefuellter
topreventgasfrompouringoutofthehoseswhen
youremovethelter.
4.Placeadrainpanunderthelter.
5.Squeezetheendsofthehoseclampstogetherand
slidethemawayfromthelter(Figure55).
6.Removethelterfromthefuellines.
Figure55
1.Hoseclamp3.Filter
2.Fuelline4.Flowdirectionarrow
7.Installanewlterandmovethehoseclampsclose
tothelter.
Ensurethattheowdirectionarrowpointstoward
theengine.
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