Toro Workman UTX - Servicing the Spark Plugs

ServicingtheSparkPlugs
ServiceInterval:Every750hours—Changethe
sparkplugs.
Type:ToroPart145-2128;refertoyourauthorized
Torodistributor.
AirGap:1mm(0.04inch)
Important:Acracked,fouled,dirty,or
malfunctioningsparkplugmustbereplaced.Do
notsand-blast,scrape,orcleanelectrodesby
usingawirebrushbecausegritmayeventually
releasefromtheplugandfallintothecylinder.
Theresultisusuallyadamagedengine.
Note:Theplugshouldberemovedandchecked
whenevertheenginemalfunctions.
1.Cleantheareaaroundthesparkplugsothat
foreignmattercannotfallintothecylinderwhen
youremovethesparkplug.
2.Pullthewireofftheterminalofthesparkplug.
3.Removetheplugfromthecylinderhead.
4.Checktheconditionofthesideelectrode,center
electrode,andcenterelectrodeinsulatorto
ensurethatthereisnodamage(Figure88).
Note:Donotuseadamagedorwornspark
plug.Replaceitwithanewsparkplugofthe
speciedtype.
5.Settheairgapbetweenthecenterandsideof
theelectrodesat1mm(0.04inch)asshownin
Figure88.
6.Installthesparkplugintothecylinderhead,and
torquetheplugto20to28N∙m(15to21ft-lb).
7.Installthespark-plugwire.
8.Repeatsteps1through7fortheotherspark
plug.
g388221
Figure88
1.Sideelectrode3.Airgap(nottoscale)—1
mm(0.04inch)
2.Centerelectrodeinsulator
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