Operator's Manual

ManualsBrandsToro ManualsOutdoorsPower Clear 721 E 21 in. Single-Stage Gas Snow Blower

ServicingtheSparkPlug

ServiceInterval:Yearly—Checkthesparkplugandreplace

itifnecessary.

UseaNGKBPR6ESorChampionRN9YCsparkplug

orequivalent.

1.Shutofftheengineandwaitforallmovingpartsto

stop.

2.Rotatethedischargechutesothatitfacesforward.

3.Removethedischargechutebyremovingthe3screws

holdingthechuteandthescrewsholdingthechuteseal

(Figure33).

G016327

Figure33

4.Removethe4screwsthatsecuretheshroud(Figure34).

Figure34

1.Screw(4)3.Sparkplug

2.Shroud4.Spark-plugwire

5.Removethefuel-tankcap.

6.Removetheshroud(Figure34).

7.Installthefuel-tankcap.

8.Disconnectthewirefromthesparkplug.

9.Cleanaroundthesparkplug.

10.Removethesparkplugfromthecylinderhead.

Important:Replaceacracked,fouled,ordirty

sparkplug.Donotcleantheelectrodesbecause

gritenteringthecylindercandamagetheengine.

11.Setthegapontheplugto0.030inch(0.76mm)as

showninFigure35.

Figure35

1.Center-electrodeinsulator3.Airgap(nottoscale)

2.Sideelectrode

12.Installthesparkplugandtorqueitto20to22ft-lb

(27to30N-m).

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