Toro 74997 - Spark Plug Service

ServicingtheSparkPlug
ServiceInterval:Every100hours
Makesuretheairgapbetweenthecenterandsideelectrodes
iscorrectbeforeinstallingthesparkplug.Useasparkplug
wrenchforremovingandinstallingthesparkplug(s)anda
gappingtool/feelergaugetocheckandadjusttheairgap.
Installanewsparkplug(s)ifnecessary.
Type:NGK
®
BPR5ESorequivalent
AirGap:0.75mm(0.03inch)
RemovingtheSparkPlug
1.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
2.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
3.Removethelefthandhydraulic-unitshroudinthe
orderlistedinFigure56.
Note:Thisgivesyouaccesstothefrontsparkplug.
g029645
Figure56
1.Pullthistabouttothe
sideinthedirectionofthe
arrow.
3.Pulltheshroudoffthis
frametabinthedirection
ofthearrow.
2.Pulltheshroudoffthis
frametabinthedirection
ofthearrow.
4.Shroud
4.Removethesparkplug(Figure57).
g029646
B
A
g027478
Figure57
5.Installthelefthydraulic-unitshroud(Figure56).
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