Toro 25430 - Replacing the Engine Drive Belt

Figure86
1.Adjustmentbolt3.Alternator
2.Nut(alternatorpivotpoint)4.Bolt(alternatorpivotpoint)
2.Loosentheadjustmentboltonthealternator(Figure
86).
3.Movethealternatorawayfromtheenginetoincrease
thebelttension;movethealternatortowardtheengine
todecreasethebelttension(Figure86).
4.Tightenthealternatoradjustmentbolt(Figure86).
5.Checkthetensionofthebelt;refertoCheckingthe
TensionoftheBelt(page59).
6.Ifthebelttensioniscorrect,tightenthenutandboltat
thepivotpointforthealternator(Figure86);otherwise
repeatsteps2through5.
7.SwitchthebatterydisconnectswitchtotheOn
position;refertoBattery-disconnectSwitch(page21).
8.Installtherightsidepanel;refertoInstallingtheSide
Panels(page37).
ReplacingtheEngineDrive
Belt
RemovingtheBelt
1.Removetheleftandrightsidepanels;referto
RemovingtheSidePanels(page36).
2.Loosenthenutandboltatthepivotpointforthe
alternator(Figure86).
3.Loosentheadjustmentboltonthealternator(Figure
86).
4.Movethealternatortowardtheenginetoloosen
thebeltenoughsothatyoucanremoveitfromthe
alternatorpulley(Figure86).
5.Removethebeltfromthegroovesofthealternator,
thefan,andthecrankshaftpulleys.
6.Removethe4boltsthatsecurethefanguardtothefan
shroud(Figure87).
Figure87
1.Bolts3.Fanshroud
2.Fanguard(mountingtab)
7.Rotatethefanguardcounterclockwisearoundthedrive
shaftofthefanuntiltheopeningintheguardisatthe
4o’clockposition(Figure88).
Figure88
1.Fanguard(rotatedtothe
4o’clockposition)
2.Fanshroud
8.Atthe4o’clockpositionofthefanshroud,alignthe
beltbetweenthetipofthefanbladeandtheopening
intheshroud(Figure89).
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