Toro GrandStand 74589 - Belt Maintenance; Replacing the Mower-Deck Belt

BeltMaintenance
ReplacingtheMower-Deck
Belt
ServiceInterval:Every100hours—Checkthemower-deck
belt.
Squeakingwhenthebeltisrotating,thebladeisslippingwhen
cuttinggrass,frayedbeltedges,burnmarks,andcracksare
signsofaworndeckbelt.
Replacethedeckbeltifanyoftheseconditionsareevident.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Unlatchandremovethebeltcovers.
4.Loosenthefrontidlerpulleybylooseningthenut
(Figure74andFigure75).
5.Removethewornmowerbelt(Figure74andFigure
75).
6.Installthenewmowerbeltaroundthedeckpulleysand
clutchpulley(Figure74andFigure75).
7.Usingaratchetintheidlerarm,tightentheidlerpulley
untilthespringisstretched16.5cm(6.5inches)from
hooktohook(Figure74andFigure75).
8.Tightenthefrontidlerpulleybytighteningthenut
(Figure74andFigure75).
9.Installthebeltcoversontothecuttingunitandsecure
thelatches.
G015595
Figure74
1.16.5cm(6.5inches)from
hooktohook
4.Ratchet
2.Spring5.Squareholeforratchet
3.Spring-loadedidler
6.Nut
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