Maintenance
ChangeBladeDriveBelt
ServiceInterval:Asrequired
1.Stoptheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug.
3.Removeandretainthefrontbeltcoverandits
fourbolts.Removeanydebrisunderthecover.
4.RemoveandretaintheBBCbracketandits
mountinghardware.RemovetheBBCbeltfrom
thefrontLHpulley.
5.Loosenthebladedriveadjustingbolt(referto
Figure24).
6.Removeandretainthexedidlerpulleyandits
hardware(seeFigure25).
Figure25
1.Holeindeck
2.RHsprockethole
3.Fixedidler
4.LHsprockethole(BBCidlerremovedforclarity)
7.Removethebladedrivebelt.
8.AligntheholesintheRHandLHsprocketswith
theholesinthedeckasshownin
Figure25.Hold
thesprocketsinplacewitharodorscrewdriver.
9.Oncethesprocketsarelockedintoplace,reinstall
thebladedrivebeltandthexedidlerpulley.
Note:Makesuretheteethareengagedinthe
sprockets.
10.Tightenthebelttensiontotherecommended
settings;refertoChecktheBladeDriveSystem.
11.Removetherodorscrewdriversfromthe
sprockets.
12.Checkthebladesunderthedecktomakesure
theyareproperlyaligned;refertoCheckthe
MowerBladesection.
13.ReinstalltheBBCbeltandtheBBCbracket.
14.Reinstallthebeltcoverusingthefourbolts.
15.Connectthewiretothesparkplug.
16.Checktheoperationofthebladecontrollever
andthebladebrakeclutch.
CheckSparkPlugs
ServiceInterval:Every100hours
1.Stoptheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug(see
Figure7).
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Note:Replaceacracked,fouled,ordirtyspark
plug.DoNotcleantheelectrodesbecausegrit
enteringthecylindercandamagetheengine.
5.Setthegapontheplugto0.030inch(0.76mm)
(
Figure26).
Figure26
1.Sideelectrode
3.Airgap—0.030inch
(0.76mm)
2.Centerelectrode
insulator
6.Installthesparkplugandthegasketseal.
7.Torquetheplugto17ft-lb(23N-m).
8.Connectthewiretothesparkplug.
EmptyingtheFuelTankand
CleaningtheFuelFilter
ServiceInterval:Every100hours
26