Toro 74952 - Fuel System Maintenance

InstallingtheSparkPlugs
Tightenthesparkplugsto24.4to29.8N-m(18to22ft-lb).
Figure53
CheckingtheSparkArrester
(ifequipped)
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenaftertheengineisstopped.
Hotparticlesexhaustedduringengineoperation
mayigniteammablematerials.Firemayresultin
personalinjuryorpropertydamage.
Donotfuelorruntheengineunlessthespark
arresterisinstalled.
1.Stoptheengine,waitforallmovingpartstostop,and
removethekey.Engagetheparkingbrake.
2.Waitforthemufertocool.
3.Ifanybreaksinthescreenorweldsareobserved,
replacethearrester.
4.Ifpluggingofthescreenisobserved,removethe
arresterandshakeanylooseparticlesoutofthe
arrester,andcleanthescreenwithawirebrush(soakit
insolventifnecessary).Installthesparkarresteronthe
exhaustoutlet.
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.Closethefuel-shutoffvalveundertheseat(Figure54).
G008963
12
3
Figure54
1.Fuellter
3.Fuelline
2.Hoseclamp
5.Squeezetheendsofthehoseclampstogetherandslide
themawayfromthelter(Figure54).
6.Removethelterfromthefuellines.
7.Installanewlterandmovethehoseclampscloseto
thelter(Figure54).
8.Openthefuel-shutoffvalve.
Important:Installthefuellinehosesandsecurewith
plastictiesthesameastheywereoriginallyinstalledat
thefactory,tokeepthefuellineawayfromcomponents
thatcouldcausefuellinedamage.
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