Toro 74790 - Engine Maintenance: Spark Plug Service

5.Changetheengineoillter(Figure31).
g027477
Figure31
Note:Ensurethattheoil-ltergaskettouches
theengineandthenanextra3/4turnis
completed.
6.Slowlypourapproximately80%ofthespecied
oilintothellertubeandslowlyaddthe
additionaloiltobringittotheFullmark(Figure
32).
g027484
Figure32
ServicingtheSparkPlug
ServiceInterval:Every100hours/Yearly(whichever
comesrst)—Checkthespark
plug(s).
Every200hours/Every2years(whichever
comesrst)—Replacethesparkplug(s).
Makesurethattheairgapbetweenthecenterand
sideelectrodesiscorrectbeforeinstallingthespark
plug.Useaspark-plugwrenchforremovingand
installingthesparkplug(s)andagappingtool/feeler
gaugetocheckandadjusttheairgap.Installanew
sparkplug(s)ifnecessary.
Type:ChampionRN9YCorNGKBPR6ES
Airgap:0.76mm(0.03inch)
RemovingtheSparkPlug
1.DisengagethePTOandensurethattheparking
brakeisengaged.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
34