Toro Z Master Professional 7500-D Series - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belts

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
Checkthebeltswhenevertheysquealwhilerotating,
thebladesslipwhilecuttinggrass,orifthebeltshave
frayededges,burnmarks,orcracks.Ifanyofthese
conditionsoccur,replacethebelts.
ReplacingtheMowerBelts
ReplacingtheWingDeckBelts
Squealingwhenthebeltisrotating,bladesslipping
whencuttinggrass,frayedbeltedges,burnmarks
andcracksaresignsofawornmowerbelt.Replace
thebeltifanyoftheseconditionsareevident.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andengagetheparking
brake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Lowerthemowertothe76mm(3inches)height
ofcut.
4.Removethe2lynchpinsfromtheouterbelt
coverandremovetheoutercover(Figure60).
5.Rotatetheinsidebeltcoverupward(Figure60).
g243946
Figure60
1.Insidebeltcover3.Lynchpin
2.Outerbeltcover
6.Removetheoorboard.
7.Usingaratchetinthesquareholeintheidler
arm,rotatetheidlerarmrearwardtoremove
tensionontheidlerspring(Figure61).
8.Removethebeltfromthemowerdeckpulleys
(Figure61).
g243945
Figure61
1.Squareholeintheidler
armfortheratchet
3.Spring
2.Wingdeckmowerbelt
9.Installthenewbeltaroundthemowerdeck
pulleys.
10.Installthebeltcoversandoorboard.
11.Repeatthisprocedurefortheotherwingdeck
belt.
ReplacingtheCenterDeckBelt
Squealingwhenthebeltisrotating,bladesslipping
whencuttinggrass,frayedbeltedges,burnmarks
andcracksaresignsofawornmowerbelt.Replace
thebeltifanyoftheseconditionsareevident.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andengagetheparking
brake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Lowerthemowertothe76mm(3inches)height
ofcut.
4.Removethe2wingdeckbelts;refertoReplacing
theWingDeckBelts(page59).
5.Usearatchetinthesquareholeintheidlerarm
toremovetensionontheidlerspring(Figure62).
6.Removethebeltfromthemowerdeckpulleys
(Figure62).
Note:Thebeltcomesoffatthebottomofthe
gearboxpulley.
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