InstallingtheSparkPlug
Tightenthesparkplug(s)to24.4to29.8N∙m(18to
22ft-lb).
g027735
Figure61
CheckingtheSpark
Arrester
ForModelswithaSparkArrester
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
fuelvaporsevenafteryoushutofftheengine.
Hotparticlesexhaustedduringengine
operationmayigniteammablematerials.
Firemayresultinpersonalinjuryorproperty
damage.
Donotfuelorruntheengineunlessaspark
arresterisinstalled.
1.Shutofftheengine,waitforallmovingpartsto
stop,removethekey,andengagetheparking
brake.
2.Waitforthemufertocool.
3.Ifthereareanybreaksinthescreenorwelds
areobserved,replacethearrester.
4.Ifthescreenisplugged,removethearrester
andshakelooseparticlesoutofthearrester,
andcleanthescreenwithawirebrush(soakin
solventifnecessary).
5.Installthearresterontheexhaustoutlet.
FuelSystem
Maintenance
ReplacingtheFuelFilter
ServiceInterval:Every500hours/Yearly(whichever
comesrst)(moreoftenindirtyor
dustyconditions).
Thefuellterislocatedneartheengineonthefront
orrearsideoftheengine.
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Allowthemachinetocooldown.
4.Closethefuel-shutoffvalveundertheseat
(Figure62).
g008963
Figure62
1.Fuellter3.Fuel-shutoffvalve
2.Hoseclamp
5.Squeezetheendsofthehoseclampstogether
andslidethemawayfromthelter(Figure62).
6.Removethelterfromthefuellines.
7.Installanewlterandmovethehoseclamps
closetothelter(Figure62).
8.Openthefuel-shutoffvalve.
Important:Installthefuellinehosesandsecure
withplastictiesthesameastheywereoriginally
installedatthefactorytokeepthefuellineaway
fromcomponentsthatcancausefuellinedamage.
47