Toro 74490 - 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(Figure73).
g027729
Figure73
5.Removethespringtensionfromthe
spring-loadedidlerpulley;refertoFigure75.
Note:Usethespringremovaltool(ToroPart
No.92-5771)toremovethespringfromthe
mower-deckpost(Figure75).
6.Removethebeltfromthemower-deckpulleys
andtheclutchpulley.
7.Installthenewbeltaroundthemowerpulleys
andtheclutchpulleyundertheengine(Figure
74).
g036861
Figure74
1.Clutchpulley3.Spring-loadedidlerpulley
2.Mowerbelt
4.Spring
g028279
Figure75
1.Spring-removaltool(T oro
PartNo.92-5771)
4.Idlerarm
2.Idlerspring5.Mowerbelt
3.Mower-deckpost
8.Installtheidlerspring(Figure74).
Note:Seatthespringendsintheanchor
grooves.
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