InstallingtheSparkPlug
Tightenthesparkplug(s)to24.4to29.8N·m(18to22ft-lb).
Figure53
CheckingtheSparkArrester
ForaModelwithaSparkArrester
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenyoushutofftheengine.Hot
particlesexhaustedduringengineoperationmay
igniteammablematerials.Firemayresultin
personalinjuryorpropertydamage.
Donotrefuelorruntheengineunlessaspark
arresterisinstalled.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Waitformufertocool.
3.Ifthereareanybreaksinthescreenorwelds,replace
thearrester.
4.Ifthescreenisplugged,removethearresterand
shakethelooseparticlesoutofthearresterandclean
thescreenwithawirebrush(soakitinsolventif
necessary).Installthearresterontheexhaustoutlet.
FuelSystem
Maintenance
ReplacingtheFuelFilter
ServiceInterval:Every500hours/Yearly(whichevercomes
rst)(moreoftenindirtyordusty
conditions).
Thefuellterislocatedneartheengineonthefrontorrear
sideoftheengine.
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Waitforthemachinetocooldown.
4.Closethefuel-shutoffvalveundertheseat(Figure18).
5.Squeezetheendsofthehoseclampstogetherandslide
themawayfromthelter(Figure54).
Figure54
1.Fuellter
3.Fuelline
2.Hoseclamp
6.Removethelterfromthefuellines.
7.Installanewlterandmovethehoseclampscloseto
thelter(Figure54).
8.Openthefuel-shutoffvalve.
Important:Installthefuellinehosesandsecurewith
plastictiesthesameastheywereoriginallyinstalledat
thefactorytokeepthefuellineawayfromcomponents
thatcancausefuellinedamage.
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