Toro 74938 - Inspecting the Belts; Replacing the Mower Belt

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Checkthebeltsforsquealingwhenthebeltisrotating,blades
slippingwhencuttinggrass,frayedbeltedges,burnmarksand
cracksaresignsofawornmowerbelt.Replacethemower
beltifanyoftheseconditionsareevident.
ReplacingtheMowerBelt
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarksandcracksare
signsofawornmowerbelt.Replacethemowerbeltifanyof
theseconditionsareevident.
1.DisengagethePTO,movethemotioncontrolleversto
theneutrallockedpositionandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Lowerthemowertothe3inch(76mm)heightofcut.
4.Removethebeltcovers(Figure77).
G009036
1
2
Figure77
1.Pushtabdown2.Removebeltcover
5.Usearatchetinthesquareholeintheidlerarmto
removetensionontheidlerspring(Figure78).
6.Removethebeltfromthemowerdeckpulleys.
7.Removethebeltguideonthespringloadedidlerarm
showninFigure78.
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleysandthe
clutchpulleyundertheengine(Figure78).
Figure78
1.Clutchpulley5.Squareholeintheidler
armfortheratchet
2.Mowerbelt6.Idlergreasezerk
3.Springloadedidlerpulley
7.Beltguide
4.Ratchet
10.Installthebeltguideontheidlerarmshownin
Figure78.
11.Usingtheratchetinthesquarehole,installtheidler
spring(Figure78).
Makesurethespringendsareseatedintheanchor
grooves.
12.Installthebeltcovers(
Figure79).
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