Toro 30381 - Belt Maintenance; Checking the Alternator Belt; Replacing the Blade Drive Belts

Note:Makesurethatthebrake-shaftsensordoesnot
contacttheswitchplunger.
5.Securetheswitchjamnuts.
6.Testtheadjustmentasfollows:
A.Ensurethattheparkingbrakeisengagedandyou
arenotsittingontheseat,thenstarttheengine.
B.Movethecontrolleversoutoftheneutrallocked
position.
Theengineshouldstop.Ifnot,recheckthe
adjustmentyoumadetotheswitch.
7.Installthefrontpanel.
BeltMaintenance
CheckingtheAlternatorBelt
ServiceInterval:Every100hours
Checktheconditionandtensionofthebelts(Figure77)after
every100operatinghours.
1.Propertensionwillallow10mm(3/8inch)deection
whenaforceof44N(10lb.)isappliedonthebelt
midwaybetweenthepulleys.
2.Ifthedeectionisnot10mm(3/8inch),loosenthe
alternatormountingbolts(
Figure77).Increaseor
decreasethealternatorbelttensionandtightenthe
bolts.Checkthedeectionofthebeltagaintoensure
thatthetensioniscorrect.
Figure77
1.Mountingbolt2.Alternator
ReplacingtheBladeDrive
Belts
ServiceInterval:Every50hours
Thebladedrivebelts,tensionedbythespringloadedidler
pulleys,areverydurable.However,aftermanyhoursofuse,
thebeltswillshowsignsofwear.Signsofawornbeltare:
squealingwhenbeltisrotating,bladesslippingwhencutting
grass,frayededges,burnmarksandcracks.Replacethebelts
ifanyoftheseconditionsareevident.
1.Lowerthecuttingunittothe1inchheight-of-cut
setting,movethethrottlelevertotheSlowposition,
stoptheengine,settheparkingbrake,andremovethe
ignitionkey.
2.Removethebeltcoversfromthetopofthecuttingunit
andsetthecoversaside.
3.Usingabreakerbarorsimilartool,movetheidler
pulleyforthetopbelt(Figure78)awayfromthetop
55