Toro TimeCutter HD MyRide 48in - Spark Plug and Cooling System Maintenance; Installing the Spark Plug; Checking the Spark Plug Condition; Cleaning the Cooling System

B
A
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Figure42
Note:Duetothedeeprecessaroundthespark
plug,blowingoutthecavitywithcompressedair
isthemosteffectivemethodforcleaning.The
sparkplugismostaccessiblewhentheblower
housingisremovedforcleaning.
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithas:a
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.76mm(0.03inch).
B
A
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Figure43
InstallingtheSparkPlug
Tightenthesparkplug(s)to25to30N∙m(18.5to
22.1ft-lb).
B
A
25-30 N-m
18.5-22.1 ft-lb
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C
D
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Figure44
CleaningtheCooling
System
Cleantheairintakescreenfromgrassanddebris
beforeeachuse.
1.Disengagetheblade-controlswitchandapply
theparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removetheairlterfromtheengine.
4.Removetheengineshroud.
5.Topreventdebrisenteringtheairintake,install
theairltertothelterbase.
6.Cleandebrisandgrassfromtheparts.
7.Removetheairlterandinstalltheengine
shroud.
8.Installtheairlter.
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