Toro 30363N - Belt Maintenance; Checking the Alternator Belt; Replacing the Blade Drive Belts

BeltMaintenance
CheckingtheAlternatorBelt
ServiceInterval:Every200hours
Aftertherst10hours
Checktensionofalternatorbelt(
Figure56)afterevery
200operatinghours.
1.Apply10lbofforcetothealternatorbelt,midway
betweenthepulleys.
2.Ifthedeectionisnot3/8in.(10mm),loosenthe
alternatormountingbolts.
Figure56
1.Mountingbolt2.Alternator
3.Increaseordecreasethealternatorbelttensionand
tightenthebolts.
4.Checkthedeectionofthebeltagaintoensurethat
thetensioniscorrect.
ReplacingtheBladeDrive
Belts
ServiceInterval:Every50hours
Thebladedrivebelts,tensionedbythespringloaded
idlerpulleys,areverydurable.However,aftermany
hoursofuse,thebeltswillshowsignsofwear.Signsof
awornbeltare:squealingwhenbeltisrotating,blades
slippingwhencuttinggrass,frayededges,burnmarks
andcracks.Replacethebeltsifanyoftheseconditions
areevident.
1.Lowerthecuttingunittothe1inchheightofcut
setting,movethethrottlelevertotheSlowposition,
stoptheengine,settheparkingbrake,andremove
theignitionkey.
2.Removethebeltcoversfromthetopofthecutting
unitandsetthecoversaside.
3.Usingabreakerbarorsimilartool,movetheidler
pulleyforthetopbelt(
Figure57)awayfromthetop
drivebelttoreleasethebelttensionandallowthe
belttobeslippedoffthepulleys.
Figure57
1.Topbelt3.Bottombelt
2.Topidlerpulley4.Bottomidlerpulley
4.Usingabreakerbarorsimilartool,movetheidler
pulleyforthebottombelt(Figure57)awayfrom
thebottomdrivebelttoreleasethebelttensionand
allowthebelttobeslippedoffthepulleys.
5.Routeanewbeltaroundthegearboxpulley,bottom
spindlepulleys,andidlerpulleyassemblyasshown
in
Figure57.
6.Routeanewbeltaroundthetopspindlepulleysand
idlerpulleyassemblyasshownin
Figure57.
7.Installthebeltcovers.
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