Toro 74950 - Installing the Spark Plugs; Fuel System Maintenance; Replacing the Fuel Filter; Checking the Spark Arrester (if equipped)

InstallingtheSparkPlugs
Torquethesparkplugsto24.4to29.8N∙m(18to22ft-lb).
Figure54
CheckingtheSparkArrester
(ifequipped)
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenafteryoushutofftheengine.
Hotparticlesexhaustedduringengineoperation
mayigniteammablematerials.Firemayresultin
personalinjuryorpropertydamage.
Donotfuelorruntheengineunlessasparkarrester
isinstalled.
1.Stopengine,waitforallmovingpartstostop,remove
thekey,andengagetheparkingbrake.
2.Waitforthemufertocool.
3.Ifthereareanybreaksinthescreenorwelds,replace
thearrester.
4.Ifthescreenisplugged,removethearresterandshake
thelooseparticlesoutofthearrester,andcleanthe
screenwithawirebrush(soakitinsolventifnecessary).
5.Installthesparkarresterontheexhaustoutlet.
FuelSystem
Maintenance
ReplacingtheFuelFilter
ServiceInterval:Every500hours/Yearly(whichevercomes
rst)(moreoftenindirtyordusty
conditions).
Thefuellterislocatedneartheengineonthefrontorrear
sideoftheengine.
1.DisengagethePTO,movethemotion-controlleversto
theNEUTRAL-LOCKposition,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Allowthemachinetocooldown.
4.Closethefuel-shutoffvalveundertheseat.
G008963
12
3
Figure55
1.Fuellter
3.Fuelline
2.Hoseclamp
5.Squeezetheendsofthehoseclampstogetherandslide
themawayfromthelter(Figure55).
6.Removethelterfromthefuellines.
7.Installanewlterandmovethehoseclampscloseto
thelter(Figure55).
8.Openthefuel-shutoffvalve.
Important:Installthefuellinehosesandsecurewith
plastictiesthesameastheywereoriginallyinstalledat
thefactory,tokeepthefuellineawayfromcomponents
thatcouldcausefuellinedamage.
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