Toro 74253 - Replacing the PTO Drive Belt; Replacing the Pump Drive Belt

7.Rotatetheratchetorbreakerbartomovetheidler
plateuntiltheidlerspringisbetween10and10-1/4
inches(25.4and26.0cm)fromposttopostas
showninFigure59.
8.Whileholdingthebelttensionandspringlength,
tightentheidlerplateboltsthatsecuretheidlerplate
(Figure59).
Figure59
1.Beltguideinstallata45
degreeangle
4.Ratchetorbreakerbar
2.Idlerspringlength
(between10and10-1/4
inches(25.4and26.0cm))
5.Idlerplatebolt
3.Idlerplate
ReplacingthePTODriveBelt
ServiceInterval:Every50hours
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarksandcracks
aresignsofawornPTObelt.Replacethemowerbeltif
anyoftheseconditionsareevident.
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Loosenthefrontenginepanelknobsandremove
thepanel(Figure60).
Figure60
1.Knob2.Frontenginepanel
4.Removethespringfromtheidlerarm(Figure61).
5.Removetheclutchstopbracket.
6.RemovetheoldPTOdrivebelt.
7.InstallthePTOdrivebeltaroundtheclutchpulley
andthegearboxpulley(Figure61).
8.Intalltheclutchstopbracket.
9.Installthespringtotheidlerarm(Figure61).
Figure61
1.PTODrivebelt4.Clutch
2.Gearbox5.Springloadedidlerpulley
3.Spring
ReplacingthePumpDriveBelt
ServiceInterval:Every50hours
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