Toro 74922 - Checking the Spark Arrester (if Equipped); Fuel System Maintenance; Replacing the Fuel Filter

InstallingtheSparkPlug
Tightenthesparkplug(s)to24.4to29.8N-m(18to22ft-lb).
Figure56
CheckingtheSparkArrester
(ifequipped)
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenaftertheengineisstopped.
Hotparticlesexhaustedduringengineoperation
mayigniteammablematerials.Firemayresultin
personalinjuryorpropertydamage.
Donotfuelorrunengineunlesssparkarresteris
installed.
1.Stopengine,waitforallmovingpartstostop,remove
thekey,andengagetheparkingbrake.
2.Waitformufertocool.
3.Ifthereareanybreaksinthescreenorweldsare
observed,replacethearrester.
4.Ifpluggingofthescreenisobserved,removethe
arresterandshakelooseparticlesoutofthearrester,
andcleanscreenitwithawirebrush(soakinsolvent
ifnecessary).
5.Installarresteronexhaustoutlet.
FuelSystem
Maintenance
ReplacingtheFuelFilter
ServiceInterval:Every500hours/Yearly(whichevercomes
rst)(moreoftenindirtyordusty
conditions).
Thefuellterislocatedneartheengineonthefrontorrear
sideoftheengine.
1.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Allowthemachinetocooldown.
4.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
5.Closethefuel-shutoffvalveundertheseat(Figure57).
G008963
12
3
Figure57
1.Fuellter3.Fuel-shutoffvalve
2.Hoseclamp
6.Squeezetheendsofthehoseclampstogetherandslide
themawayfromthelter(Figure57).
7.Removethelterfromthefuellines.
8.Installanewlterandmovethehoseclampscloseto
thelter(Figure57).
9.Openthefuel-shutoffvalve.
Note:Itisimportanttoinstallthefuellinehosesandsecure
withplastictiesthesameastheywereoriginallyinstalledat
thefactorytokeepthefuellineawayfromcomponentsthat
cancausefuellinedamage.
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