Toro Z580-D Z Master 74266 - Brake Maintenance; Adjusting the Parking Brake; Belt Maintenance; Inspecting the Belts

BrakeMaintenance
AdjustingtheParkingBrake
ServiceInterval:Every25hours
Every200hours
1.Engagetheparkingbrake,leverup.
2.Measurethelengthofthespring.Measurement
shouldbe2-1/2inch(64mm)betweenthewashers
(Figure61).
3.Ifadjustmentisnecessary,releasetheparkingbrake,
loosenthejamnutbelowthespringandadjustthe
nutdirectlybelowthespring(Figure61).Turnthe
nutuntilthecorrectmeasurementisobtained.Turn
thenutclockwisetoshortenspringlengthandturn
counter-clockwisetolengthenthespring.
4.Tightenthetwonutstogether.
5.Engagetheparkingbrake,leverup.Checkthe
measurementofthespringagain.
6.Ifadjustmentisnecessary,repeattheprocedures
above.
7.Repeatontheoppositesideofmachine.
Figure61
1.Brakeleverinengaged
position
3.Adjustingnutandjamnut
2.Spring2–1/2inch(64mm)
BeltMaintenance
InspectingtheBelts
ServiceInterval:Every100hours
Checkthebeltsforsquealingwhenthebeltisrotating,
bladesslippingwhencuttinggrass,frayedbeltedges,
burnmarksandcracksaresignsofawornmowerbelt.
Replacethemowerbeltifanyoftheseconditionsare
evident.
ReplacingtheMowerBelt
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarksandcracks
aresignsofawornmowerbelt.Replacethemowerbelt
ifanyoftheseconditionsareevident.
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removethebeltcovers(Figure62).
Figure62
1.Beltcover3.Insertslotintothetab
2.Latch
4.For72inchmowers,loosentheidlerplatebolts
holdingtheidlerplate(Figure65).
5.Removetheidlerspring.
6.Removethebeltguideonthespringloadedidler
pulleyshowninFigure63andFigure65.
7.Removetheexistingbelt.
8.Installthenewbeltaroundthemowerpulleysand
thegearboxpulleyundertheengine(Figure63).
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