Toro 74143 - Servicing the Spark Plug

ChangingtheEngine-OilFilter
ServiceInterval:Every200hours
Note:Changetheengine-oilltermorefrequentlywhen
operatingconditionsareextremelydustyorsandy.
1.Draintheoilfromtheengine;refertoChangingthe
EngineOil(page34).
2.Changetheengine-oillter(Figure42).
G008804
B
A
C D
E
F
3/4
g027477
Figure42
Note:Ensuretheoil-ltergaskettouchestheengine,
andthenanextra3/4turniscompleted.
3.Fillthecrankcasewiththepropertypeofnewoil;refer
toChangingtheEngineOil(page34).
ServicingtheSparkPlug
ServiceInterval:Every100hours
Makesuretheairgapbetweenthecenterandsideelectrodes
iscorrectbeforeinstallingthesparkplug.Useasparkplug
wrenchforremovingandinstallingthesparkplug(s)anda
gappingtool/feelergaugetocheckandadjusttheairgap.
Installanewsparkplug(s)ifnecessary.
TypeofSparkPlug:NGK
®
BPR4ESorequivalent
AirGap:0.75mm(0.03inch)
RemovingtheSparkPlug
1.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
2.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedposition,andsettheparkingbrake.
3.Locateandremovethesparkplugs(Figure43).
g015124
B
A
g027478
Figure43
35