Toro 74933 - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt

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Figure75
LeftSideShown
1.L-bracket4.Rearlinkageassembly
2.Linkagestop
5.Caliper
3.Gap
6.Wheelhub
9.Disengagetheparkingbrake,thelevershould
beinthedownposition.
10.Turnthewheelhubbyhandinbothdirections
relativetothecaliper;thewheelhubshould
movefreelybetweenthecaliper.
11.Ifagapisneededorthewheelhubdoesnot
movefreely:
A.Disengagetheparkingbrake.
B.Disconnectandne-tunetherearlinkage
assembly:
•Shortenthelinktocreateagap.
•Lengthenthelinktoallowwheelhub
movement.
C.Connecttherearlinkageassembly.
12.Engagetheparkingbrakeandcheckthegap.
13.Repeatsteps9through13untilavisiblegapis
achievedandthewheelhubrotatesfreely.
14.Repeatthisprocedureforthebrakeonthe
oppositeside.
15.Rotatethedrive-wheelreleasehandleto
theoperatingposition;refertoUsingthe
Drive-Wheel-ReleaseValves(page34).
16.Installthereartiresandtorquethelugnuts;refer
toCheckingtheWheel-LugNuts(page55).
17.Removethejackstands.
BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Checkthebeltsforsquealingwhenthebeltisrotating;
bladesslippingwhencuttinggrass;frayedbeltedges;
burnmarks;andcracks,whicharesignsofaworn
mowerbelt.Replacethemowerbeltifanyofthese
conditionsoccur.
ReplacingtheMowerBelt
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Lowerthemowertothe76mm(3inch)
height-of-cut.
4.Removethebeltcovers(Figure76).
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Figure76
1.Pushthetabdown2.Removethebeltcover
5.Usearatchetinthesquareholeintheidlerarm
toremovetensionontheidlerspring(Figure77).
6.Removethebeltfromthemower-deckpulleys.
7.Removethebeltguideonthespring-loaded
idlerarm(Figure77).
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleys
andtheclutchpulleyundertheengine(Figure
77).
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