Operator's Manual

ManualsBrandsToro ManualsRiding ProductsZ Master Professional 5000 Series Riding Mower, with 52in TURBO FORCE Side Discharge Mower

ServicingtheSparkPlug(s)

ServiceInterval:Every200hours—Checkthespark

plug(s).

Every500hours—Replacethesparkplug(s).

Type:ChampionXC12YC

AirGap:0.76mm(0.03inch)

RemovingtheSparkPlug(s)

1.Shutofftheengine,removethekey,andwait

forallmovingpartstostopbeforeleavingthe

operatingposition.

2.DisengagethePTO,movethemotion-control

leverstotheNEUTRAL-LOCKposition,and

engagetheparkingbrake.

3.Removethelefthydraulic-unitshroudinthe

orderlistedwithFigure61.Thisgivesyou

accesstothefrontsparkplug.

g009922

g009919

Figure61

1.Pullthistabouttothe

sideinthedirectionofthe

arrow

3.Pulltheshroudoffthis

frametabinthedirection

ofthearrow

2.Pulltheshroudoffthis

frametabinthedirection

ofthearrow

4.Shroud

4.Removethesparkplug.

g008803

g027478

Figure62

CheckingtheSparkPlug(s)

Important:Donotcleanthesparkplug(s).

Alwaysreplacethesparkplug(s)whenithasa

blackcoating,wornelectrodes,anoilylm,or

cracks.

Ifyouseelightbrownorgrayontheinsulator,the

engineisoperatingproperly.Ablackcoatingonthe

insulatorusuallymeanstheaircleanerisdirty.

Setthegapto0.76mm(0.03inch).

g206628

Figure63

InstallingtheSparkPlug(s)

1.Installthesparkplug(s)asshowninFigure64.

2.Installthehydraulicshroud(Figure61).

49