CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
g206628
Figure27
InstallingtheSparkPlug
g028109
Figure28
FuelSystem
Maintenance
DANGER
Incertainconditions,fuelisextremely
ammableandhighlyexplosive.Areor
explosionfromfuelcanburnyouandothers
andcandamageproperty.
•Drainfuelfromthefueltankswhenthe
engineiscold.Dothisoutdoorsinanopen
area.Wipeupanyfuelthatspills.
•Neversmokewhendrainingfuel,andstay
awayfromanopenameorwhereaspark
mayignitethefumes.
•RefertoFuelSafety(page12)fora
completelistoffuelrelatedprecautions.
ChangingtheFuelFilter
ServiceInterval:Yearly
Important:Neverinstalladirtylter.
1.Parkthemachineonalevelsurfaceandlower
theloaderarms.
2.Shutofftheengineandremovethekey.
3.Shutoffthefuelvalveonthebottomofeachfuel
tank(Figure30).
4.Clampthefuellinebetweenthefueltanksand
thefuelltertoblockthefuelow.
5.Squeezetheendsofthehoseclampstogether
andslidethemawayfromthelter(Figure29).
g005170
Figure29
1.Filter2.Hoseclamp
6.Placeadrainpanunderthefuellinestocatch
anyleaks,thenremovethelterfromthefuel
lines(Figure29).
7.Installanewlterandmovethehoseclamps
closetothelter.
8.Removetheclampblockingfuelowandopen
thefuelvalve.
28