ServicingtheSparkPlug
ServiceInterval:Every100hours
Makesurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.Use
asparkplugwrenchforremovingandinstallingthespark
plug(s)andagappingtool/feelergaugetocheckandadjust
theairgap.Installanewsparkplug(s)ifnecessary.
Type:Champion
®
RC12YCorequivalent
AirGap:0.76mm(0.03inch)
RemovingtheSparkPlug
1.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
2.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
3.Removethelefthydraulic-unitshroudintheorder
listedinFigure53.
Note:Thisgivesyouaccesstothefrontsparkplug.
Figure53
1.Pullthistabouttothe
sideinthedirectionofthe
arrow
3.Pulltheshroudoffthis
frametabinthedirection
ofthearrow
2.Pulltheshroudoffthis
frametabinthedirection
ofthearrow
4.Shroud
4.Removethesparkplug.
Figure54
5.Installthelefthydraulic-unitshroud(Figure53).
39