Toro 74901 - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Checkthebeltsforsquealingwhenthebeltisrotating,
bladesslippingwhencuttinggrass,frayedbeltedges,
burnmarksandcracksaresignsofawornmowerbelt.
Replacethemowerbeltifanyoftheseconditionsare
evident.
ReplacingtheMowerBelt
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarksandcracks
aresignsofawornmowerbelt.Replacethemowerbelt
ifanyoftheseconditionsareevident.
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Lowerthemowertothe3inch(76mm)heightofcut.
4.Removethebeltcovers(
Figure75).
G009036
1
2
Figure75
1.Pushtabdown2.Removebeltcover
5.Usearatchetinthesquareholeintheidlerarmto
removetensionontheidlerspring(Figure76).
6.Removethebeltfromthemowerdeckpulleys.
7.Removethebeltguideonthespringloadedidlerarm
showninFigure76.
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleysand
theclutchpulleyundertheengine(Figure76).
Figure76
1.Clutchpulley5.Squareholeintheidler
armfortheratchet
2.Mowerbelt6.Idlergreasezerk
3.Springloadedidlerpulley
7.Beltguide
4.Ratchet
10.Installthebeltguideontheidlerarmshownin
Figure76.
11.Usingtheratchetinthesquarehole,installtheidler
spring(Figure76).
Makesurethespringendsareseatedintheanchor
grooves.
12.Installthebeltcovers(
Figure77).
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