Toro 30635 - Tensioning the Blade-Drive Belts; Replacing the Blade-Drive Belt

TensioningtheBlade-Drive
Belts
ServiceInterval:Aftertherst10hours
Every50hours
Whenproperlytensioned,theinsidemeasurement
oftheextensionspring(hooktohook)shouldbe
approximately8.3to9.5cm(3-1/4to3-3/4inches).
Oncethecorrectspringtensionisattained,adjustthe
stopbolt(carriagebolt)untilthereisapproximately2
to5mm(0.065to0.185inch)clearancebetweenthe
headoftheboltandtheidlerarm(Figure76).
Note:Ensurethatthebeltispositionedonthespring
sideofthebeltguide(Figure76).
g037383
Figure76
1.Extensionspring
5.Measurement(hookto
hook)—approximately8.3
to9.5cm(3-1/4to3-3/4
inches)
2.Stopbolt
6.Eyebolt
3.Flangenut7.Belt
4.Beltguide
ReplacingtheBlade-Drive
Belt
ServiceInterval:Every800hours
Theblade-drivebelt,tensionedbythespring-loaded
idlerpulley,isverydurable.However,aftermany
hoursofuse,thebeltwillshowsignsofwear.Signsof
awornbeltincludesquealingwhenthebeltisrotating,
bladesslippingwhencuttinggrass,frayededges,
burnmarks,andcracks.Replacethebeltifanyof
theseconditionsareevident.
1.Lowerthecuttingunittotheshopoor,remove
thebeltcoversfromthetopofthecuttingunit,
andsetthecoversaside.
2.Loosentheeyeboltallowingtheremovalofthe
extensionspring(Figure76).
3.Loosentheangenutsecuringthestopboltto
themountingtabandmovetheidlerpulleyaway
fromthebelttoreleasethebelttension(Figure
76).
Note:Loosenthenutenoughtoallowtheidler
armtopassthestopbolt.
Note:Ifthestopboltiseverremovedfromthe
mountingtab,makesurethatitisinstalledagain
intheholethatalignsthestop-boltheadwith
theidlerarm.
4.Removetheboltssecuringthehydraulicmotor
tothecuttingunit(Figure77).
g011511
Figure77
1.Hydraulicmotor2.Mountingbolts
5.Liftthemotoroffthecuttingunitandlayitontop
ofthecuttingunit.
6.Removetheoldbeltfromaroundthespindle
pulleysandidlerpulley.
7.Routethenewbeltaroundthespindlepulleys
andidler-pulleyassembly.
8.Positionthehydraulicmotoronthecutting
unitafterroutingthebeltaroundthepulleys.
Mountthemotortothecuttingunitwiththebolts
previouslyremoved.
Note:Ensurethatthebeltispositionedonthe
springsideofthebeltguide(Figure76).
9.Connecttheextensionspring(Figure76)tothe
eyeboltandtensionthebeltasfollows:
•Whenproperlytensioned,theinside
measurementoftheextensionspring(hook
tohook)shouldbeapproximately8.3to9.5
cm(3-1/4to3-3/4inches).
•Whenyouattainthecorrectspringtension,
adjustthestopbolt(carriagebolt)untilthere
isapproximately2to5mm(0.065to0.185
inches)clearancebetweentheheadofthe
boltandtheidlerarm.
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