Toro 25430A - Belt Maintenance; Servicing the Engine Drive Belt

BeltMaintenance
ServicingtheEngineDrive
Belt
WARNING
Stoptheengineandremovetheignitionkeybefore
youbegintoperformanymaintenanceorrepair
work.
WARNING
Contactingarotatingbeltcancauseseriousinjury
ordeath.
Alwaysstoptheengineandremovetheignitionkey
beforeworkingnearbelts.
CheckingtheConditionoftheBelt
ServiceInterval:Every250hours
1.Removetheright-sidepanel;refertoRemovingthe
SidePanels(page35).
2.Inspectthebeltforcuts,cracks,loosecords,grease,oil,
twisting,orsignsofabnormalwear.
Note:Replacethebeltifitisexcessivelywornor
damaged;refertoInstallingtheBelt(page60).
3.Installtheright-sidepanel;refertoInstallingtheSide
Panels(page36).
CheckingtheTensionoftheBelt
ServiceInterval:Every1,000hours
1.Removetherightsidepanel;refertoRemovingthe
SidePanels(page35).
2.Placeastraightedgeoverthedrivebeltandacrossthe
pulleys(Figure83).
Figure83
3.Pressthebeltdownatthemidwaypointbetweenthe
fanpulleyandthealternatorpulleyasshowninFigure
83.
Note:Therangeofbeltdeectionbetweenthe
straightedgeandthebeltshouldbe7to9mm(0.28to
0.35inches)underaloadof10kg(22lb).
4.Ifthetensionofthebeltisaboveorbelowthespecied
range,adjustthedrivebelttension;refertoAdjusting
theTensionoftheBelt(page58).
5.Installtherightsidepanel;refertoInstallingtheSide
Panels(page36).
AdjustingtheTensionoftheBelt
1.Loosenthenutandboltatthepivotpointforthe
alternator(Figure84).
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