Toro Z Master 74958 - Belt Maintenance; Inspecting and Replacing Mower Belts

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Figure73
LeftSideShown
1.L-bracket4.Rear-linkageassembly
2.Linkagestop
5.Caliper
3.Gap
6.Wheelhub
9.Disengagetheparkingbrake.
10.Turnthewheelhubbyhandinbothdirections
relativetothecaliper.
Note:Thewheelhubshouldmovefreely
betweenthecaliper.
11.Ifagapisneededorthewheelhubdoesnot
movefreely:
A.Disengagetheparkingbrake.
B.Disconnectandne-tunetherearlinkage
assembly:
•Shortenthelinktocreateagap.
•Lengthenthelinktoallowwheelhub
movement.
C.Connecttherear-linkageassembly.
12.Engagetheparkingbrakeandcheckthegap.
13.Repeatsteps9through13untilyouachievea
visiblegapandthewheelhubrotatesfreely.
14.Repeatthisprocedureforthebrakeonthe
oppositeside.
15.Rotatethedrive-wheelreleasehandleto
theoperatingposition;refertoUsingthe
Drive-WheelReleaseValves(page30).
16.Installthereartiresandtorquethelugnuts;
refertoCheckingtheWheelLugNuts(page50).
17.Removethejackstands.
BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Replacethebeltifitisworn.Thesignsofawornbelt
includesquealingwhilethebeltisrotating;theblades
slippingwhilecuttinggrass;andfrayededges,burn
marks,andcracksonthebelt.
ReplacingtheMowerBelt
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Lowerthemowertothe76mm(3inch)
height-of-cut.
4.Removethebeltcovers(Figure74).
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Figure74
5.Usearatchetinthesquareholeintheidlerarm
toremovetensionontheidlerspring(Figure75).
6.Removethebeltfromthemower-deckpulleys.
7.Removethebeltguideonthespring-loaded
idlerarm(Figure75).
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleys
andtheclutchpulleyundertheengine(Figure
75).
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