Toro Z Master 74143 - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every50hours
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.Lowerthemowertothe3inch(76mm)heightof
cut.
4.Removethebeltcovers(
Figure55).
G009036
1
2
Figure55
1.Pushtabdown2.Removebeltcover
5.Usearatchetinthesquareholeintheidlerarmto
removetensionontheidlerspring(
Figure56).
6.Removethebeltfromthemowerdeckpulleys.
7.Removethebeltguideonthespringloadedidlerarm
shownin
Figure56.
8.Removetheexistingbelt.
9.Installthenewbeltaroundthemowerpulleysand
theclutchpulleyundertheengine(Figure56).
g017627
Figure56
1.Clutchpulley5.Squareholeintheidler
armfortheratchet
2.Mowerbelt6.Idlergreasezerk
3.Springloadedidlerpulley
7.Beltguide
4.Ratchet
10.Installthebeltguideontheidlerarmshownin
Figure56.
11.Usingtheratchetinthesquarehole,installtheidler
spring(Figure56).
Makesurethespringendsareseatedintheanchor
grooves.
12.Installthebeltcovers(
Figure57).
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