Toro 71253 - Servicing the Spark Plug

2.Settheparkingbrake.
3.Stoptheengine,waitforallmovingpartstostop,and
removethekeybeforeleavingtheoperatingposition.
4.Openthehood.
5.Cleanaroundtheaircleanertopreventdirtfrom
gettingintotheengineandcausingdamage.
6.Pullupontheaircleanercoverhandleandrotateit
towardtheengine(Figure20).
Figure20
1.Aircleanercover2.Aircleanercoverhandle
Note:Removetheaircleanercover.
7.Carefullyslidethepaperelementandthefoam
elementfromtheblowerhousing(Figure21).
Figure21
1.Paperelement4.Tab
2.Foamelement
5.Slot
3.Aircleanercover
CleaningtheFoamandPaperElements
FoamElement:
1.Washthefoamelementinliquidsoapandwarm
water.Whentheelementisclean,rinseitthoroughly.
2.Drytheelementbysqueezingitinacleancloth.Do
notoiltheelement.
Important:Replacethefoamelementifitis
tornorworn.
PaperElement:
1.Lightlytaptheelementonaatsurfacetoremove
dustanddirt.
2.Carefullycleantherubbersealonthepaperelement
topreventdebrisfromenteringtheengine.
3.Inspecttheelementfortears,anoilylm,and
damagetotherubberseal.
Important:Nevercleanthepaperelement
withpressurizedairorliquidssuchassolvents,
gasoline,orkerosene.Replacethepaper
elementifitisdamagedorcannotbecleaned
thoroughly.
InstallingtheFoamandPaperElements
Important:Topreventenginedamage,always
operatetheenginewiththecompletefoamand
paperaircleanerassemblyinstalled.
1.Placethefoamelementandpaperelementintothe
blowerhousing.
Note:Makesurethattherubbersealisatagainst
theaircleanerbase.
2.Alignthetabsontheaircleanercoverwiththeslots
oftheblowerhousing(Figure21).
3.Hookthehandleontothecoverandpressdownon
thehandletolockthecoverinplace.
4.Closethehood.
ServicingtheSparkPlug
ServiceInterval:Every25hours—Servicethespark
plug.
Every100hours—Replacethespark
plug.
UseaChampionQC12YCorequivalentsparkplug.
Makesurethattheairgapbetweenthecenterandside
electrodesis0.030inch(0.76mm)beforeinstallingthe
sparkplug.Useasparkplugwrenchforremovingand
installingthesparkplugandagappingtool/feelergauge
tocheckandadjusttheairgap.
RemovingtheSparkPlug
1.Disengagethebladecontrol(PTO).
2.Settheparkingbrake.
3.Stoptheengine,waitforallmovingpartstostop,and
removethekeybeforeleavingtheoperatingposition.
4.Openthehood.
5.Disconnectthewirefromthesparkplug(Figure22).
21