Toro 38584 - Spark Plug and Drive Belt Maintenance; Spark Plug Removal and Installation; Drive Belt Replacement Procedure

Figure25
1.Screw(4)3.Spark-plugwire
2.Shroud
7.Installthefueltankcap.
8.Disconnectthewirefromthesparkplug.
9.Cleanaroundthesparkplug.
10.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercandamage
theengine.
11.Setthegapontheplugto0.030inch(0.76mm)
(Figure26).
Figure26
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
12.Installthesparkplugandtightenitsecurely.
13.Connectthewiretothesparkplug.
14.Removethefueltankcap.
15.Installtheshroudwiththescrewsyouremovedin
step4.
Note:Ensurethattheupperandlowershroudst
togetherinthesidegrooves.
16.Installthefueltankcap.
17.Installthechuteseal,thedischargechute,andthe
dischargechutehandleontothesnowthrowerusing
thehardwareyouremovedinstep3.
Note:Thesmallscrewgoesthroughthesmallhole
inthechutesealatthefrontofthedischargechute
opening.
ReplacingtheDriveBelt
Ifdrivebeltbecomesworn,oil-soaked,excessively
cracked,frayed,orotherwisedamaged,replacethebelt.
1.Removethedrivebeltcoverbyremovingthe3bolts
asshowninFigureFigure27.
Figure27
1.Drivebeltcover6.Drivebelt
2.Bolt(3)7.Rotorshaft
3.Rotorpulleybolt
8.Brakespring(unhookfrom
idlerarmhere)
4.Curvedwasher
9.Idlerpulley
5.Rotorpulley10.Enginepulley
2.Unhookthebrakespringfromtheidlerarmto
releasethebelttension(Figure27).
3.Removethescrewandcurvedwasherthatholdsthe
rotorpulley(Figure27).
4.Removetherotorpulleyandthedrivebelt
(Figure27).
5.Installthenewdrivebelt,routingitasshownin
(Figure28).
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