Toro 77281 - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Replacethebeltifitisworn.Thesignsofawornbelt
includesquealingwhilethebeltisrotating;theblades
slippingwhilecuttinggrass;andfrayededges,burn
marks,andcracksonthebelt.
ReplacingtheMowerBelt
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Lowerthemowertothe76mm(3inches)height
ofcut.
4.Removethebeltcovers(Figure83).
g027729
Figure83
5.Usea3/8-inchratchetinthesquareholeinthe
idlerarmtoremovetensionontheidlerspring
(Figure84).
6.Removethebeltfromthemower-deckpulleys
andtheclutchpulley.
7.Removethebeltguideonthespring-loaded
idlerarm(Figure84).
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleys
andtheclutchpulleyundertheengine(Figure
84).
g334846
Figure84
1.Spring4.Spring-loadedidler
assembly
2.Clutchpulley
5.Ratchet
3.Mowerbelt
6.Squareholeintheidler
armfortheratchet
10.Installthebeltguideontheidlerarm(Figure84).
11.Usingthe3/8-inchratchetinthesquarehole,
installtheidlerspring(Figure84).
Note:Ensurethatthespringendsareseated
intheanchorgrooves.
12.Installthebeltcovers(Figure85).
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