Toro TRX-250 - Servicing a Toro Engine

CheckingtheSparkPlug(s)
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithas:a
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
g206628
Figure34
InstallingtheSparkPlug(s)
g028109
Figure35
ServicingaToroEngine
ServicingtheAirCleaner
ServiceInterval:Every300hours—ForT oro
engines—replacetheairlter(more
oftenindirtyordustyconditions).
RemovingtheFilter
1.Parkthemachineonalevelsurface,engage
theparkingbrake(ifapplicable),andlowerthe
boom.
2.Shutofftheengineandremovethekey.
3.Releasethelatchesontheaircleanerandpull
theair-cleanercoverofftheair-cleanerbody
(Figure36).
g004318
Figure36
1.Latch3.Air-cleanerbody
2.Air-cleanercover4.Filter
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidethelteroutoftheair-cleanerbody
(Figure36).
Note:Avoidknockingthelterintothesideof
thebody.
InspectingtheFilter
Inspectthelterfordamagebylookingintothelter
whileshiningabrightlightontheoutsideofthelter.
Ifthelterisdirty,bent,ordamaged,replaceit.
Note:Holesinthelterappearasbrightspots.Do
notcleanthelter.
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