Toro 74922 - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Checkthebeltsforsquealingwhenthebeltisrotating,blades
slippingwhencuttinggrass,frayedbeltedges,burnmarks,
andcracksaresignsofawornmowerbelt.Replacethe
mowerbeltifanyoftheseconditionsareevident.
ReplacingtheMowerBelt
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarks,andcracksare
signsofawornmowerbelt.Replacethemowerbeltifanyof
theseconditionsareevident.
1.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Lowerthemowertothe76mm(3inch)height-of-cut.
4.Removethebeltcovers(Figure76).
Figure76
1.Pushthetabdown2.Removethebeltcover
5.Usearatchetinthesquareholeintheidlerarmto
removetensionontheidlerspring(Figure77).
6.Removethebeltfromthemower-deckpulleys.
7.Removethebeltguideonthespring-loadedidlerarm
(Figure77).
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleysandthe
clutchpulleyundertheengine(Figure77).
Figure77
1.Clutchpulley5.Squareholeintheidler
armfortheratchet
2.Mowerbelt
6.Idler-greasetting
3.Spring-loadedidlerpulley
7.Beltguide
4.Ratchet
10.Installthebeltguideontheidlerarm(Figure77).
11.Usingtheratchetinthesquarehole,installtheidler
spring(Figure77).
Note:Makesurethespringendsareseatedinthe
anchorgrooves.
12.Installthebeltcovers(Figure78).
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