Toro 74906 - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Checkthebeltsforsquealingwhenthebeltisrotating,blades
slippingwhencuttinggrass,frayedbeltedges,burnmarks,
andcracks.Thesearesignsofawornmowerbelt;replacethe
mowerbeltifanyoftheseconditionsareevident.
ReplacingtheMowerBelt
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarks,andcracksare
signsofawornmowerbelt.Replacethemowerbeltifanyof
theseconditionsareevident.
1.DisengagethePTO,movethemotioncontrolleversto
theneutrallockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Lowerthemowertothe76mm(3inch)heightofcut.
4.Removethebeltcovers(Figure80).
G009036
1
2
Figure80
1.Pushtabdown2.Removebeltcover
5.Usearatchetinthesquareholeintheidlerarmto
removetensionontheidlerspring(Figure81).
6.Removethebeltfromthemowerdeckpulleys.
7.Removethebeltguideonthespring-loadedidlerarm
showninFigure81.
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleysandthe
clutchpulleyundertheengine(Figure81).
Figure81
1.Clutchpulley5.Squareholeintheidler
armfortheratchet
2.Mowerbelt
6.Idlergreasetting
3.Spring-loadedidlerpulley
7.Beltguide
4.Ratchet
10.InstallthebeltguideontheidlerarmshowninFigure
81.
11.Usingtheratchetinthesquarehole,installtheidler
spring(Figure81).
Note:Makesurethatthespringendsareseatedin
theanchorgrooves.
12.Installthebeltcovers(Figure82).
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