Toro 74790 User Manual

g027478
Figure33
Note:Duetothedeeprecessaroundthespark
plug,blowingoutthecavitywithcompressedair
isusuallythemosteffectivemethodforcleaning.
Thesparkplugismostaccessiblewhenthe
blowerhousingisremovedforcleaning.
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithas:a
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.76mm(0.030inch).
g027479
Figure34
InstallingtheSparkPlug
Tightenthesparkplug(s)to25to30N∙m(18.5to
22.1ft-lb).
g028318
Figure35
CleaningtheCooling
System
Cleantheairintakescreenfromgrassanddebris
beforeeachuse.
1.Disengagetheblade-controlswitchandapply
theparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removetheairlterfromtheengine.
4.Removetheengineshroud.
5.T opreventdebrisenteringtheairintake,install
theairltertothelterbase.
6.Cleandebrisandgrassfromtheparts.
7.Removetheairlterandinstalltheengine
shroud.
8.Installtheairlter.
35

Toro 74790 Specifications

General

Brand	Toro
Model	74790
Category	Lawn Mower
Language	English