Toro 74904 - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt for Side-Discharge Mower Decks

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Replacethebeltifitisworn.Thesignsofawornbelt
includesquealingwhilethebeltisrotating;theblades
slippingwhilecuttinggrass;andfrayededges,burn
marks,andcracksonthebelt.
ReplacingtheMowerBelt
forSide-DischargeMower
Decks
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Lowerthemowertothe76mm(3inch)
height-of-cut.
4.Removethebeltcovers(Figure88).
g027729
Figure88
1.Pushthetabdown2.Removethebeltcover
5.Usearatchetinthesquareholeintheidlerarm
toremovetensionontheidlerspring(Figure89).
6.Removethebeltfromthemower-deckpulleys.
7.Removethebeltguideonthespring-loaded
idlerarm(Figure89).
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleys
andtheclutchpulleyundertheengine(Figure
89).
g009038
Figure89
1.Clutchpulley5.Squareholeintheidler
armfortheratchet
2.Mowerbelt
6.Idler-greasetting
3.Spring-loadedidlerpulley
7.Beltguide
4.Ratchet
10.Installthebeltguideontheidlerarm(Figure89).
11.Usingtheratchetinthesquarehole,installthe
idlerspring(Figure89).
Note:Makesurethatthespringendsare
seatedintheanchorgrooves.
12.Installthebeltcovers(Figure90).
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