Toro 74942 - Belt Maintenance; Inspecting the Belts; Replacing the Counter-Rotating Belt

Figure76
LeftSideShown
1.L-bracket4.Rearlinkageassembly
2.Linkagestop
5.Caliper
3.Gap
6.Wheelhub
9.Disengagetheparkingbrake,thelevershouldbein
thedownposition.
10.Turnthewheelhubbyhandinbothdirectionsrelative
tothecaliper;thewheelhubshouldmovefreely
betweenthecaliper.
11.Ifagapisneededorthewheelhubdoesnotmove
freely:
A.Disengagetheparkingbrake.
B.Disconnectandne-tunetherearlinkage
assembly:
•Shortenthelinktocreateagap.
•Lengthenthelinktoallowwheelhub
movement.
C.Reconnecttherearlinkageassembly.
12.Engagetheparkingbrakeandcheckthegap.
13.Repeatsteps9through13untilavisiblegapisachieved
andthewheelhubrotatesfreely.
14.Repeatthisprocedureforthebrakeontheopposite
side.
15.Rotatethedrivewheelreleasehandletotheoperating
position.RefertoUsingtheDrive-WheelRelease
Valves(page25).
16.Installthereartiresandtorquethelugnuts.Referto
CheckingtheWheelLugNuts(page44)
17.Removethejackstands.
BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Checkthebeltsforsquealingwhenthebeltisrotating,blades
slippingwhencuttinggrass,frayedbeltedges,burnmarksand
cracksaresignsofawornmowerbelt.Replacethemower
beltifanyoftheseconditionsareevident.
Replacingthe
Counter-RotatingBelt
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarksandcracksare
signsofawornmowerbelt.Replacethebeltifanyofthese
conditionsareevident.
1.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedpositionandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Lowerthemowertothe76mm(3inches)heightofcut.
4.Lifttheoorpanuptogainaccesstothecenterpulley.
5.Removetheplasticbeltcover(Figure78).
6.Removethe3boltsholdingthemetalbeltcoverin
placeandremovethemetalbeltcover.
Figure77
1.Idlerspring4.Idlerpulley
2.Counter-rotatingbelt5.Squareholeforratchet
3.Doublepulley
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