Operator's Manual

ManualsBrandsToro ManualsRiding ProductsZ Master Commercial 3000 Series Riding Mower, with 52in TURBO FORCE Side Discharge Mower

ServicingtheSparkPlug

ServiceInterval:Every200hours—ForKohler

engines—checkthesparkplug(s).

Every500hours—ForKohlerengines—replace

thesparkplug(s).

Type:ChampionXC12YC

AirGap:0.76mm(0.03inch)

RemovingtheSparkPlug

1.Parkthemachineonalevelsurface,disengage

theblade-controlswitch(PTO),andengagethe

parkingbrake.

2.Shutofftheengine,removethekey,andwait

forallmovingpartstostopbeforeleavingthe

operatingposition.

3.Cleantheareaaroundthebaseoftheplug(s)to

keepdirtanddebrisoutoftheengine.

4.Locateandremovethesparkplug(s)asshown

inFigure68.

g009922

g027478

Figure68

CheckingtheSparkPlug

Important:Donotcleanthesparkplug(s).

Alwaysreplacethesparkplug(s)whenithasa

blackcoating,wornelectrodes,anoilylm,or

cracks.

Ifyouseelightbrownorgrayontheinsulator,the

engineisoperatingproperly.Ablackcoatingonthe

insulatorusuallymeanstheaircleanerisdirty.

Setthegapto0.76mm(0.03inch).

g206628

Figure69

InstallingtheSparkPlug

g028109

Figure70

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