Toro Groundsmaster
3500-D - Belt System Maintenance; Servicing Engine Belts; Replacing Hydrostat-Drive Belt

BeltMaintenance
ServicingtheEngineBelts
ServiceInterval:Aftertherst10hours—Checkthe
conditionandtensionofallbelts.
Every100hours—Checktheconditionand
tensionofallbelts.
CheckingtheAlternator-Belt
Tension
1.Openthehood.
2.Apply30N(22in-lb)offorcetothealternator
belt,midwaybetweenthepulleys(Figure62).
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Figure62
1.Alternatorbelt
3.Ifthebeltdoesnotdeect11mm(7/16inch),
completethefollowingproceduretotensionthe
belt:
A.Loosentheboltsecuringthebracetothe
engineandtheboltsecuringthealternator
tothebrace.
B.Insertaprybarbetweenthealternatorand
engine,andpryoutatthealternator.
C.Whenyouobtainthepropertension,tighten
thealternatorandbraceboltstosecurethe
adjustment.
ReplacingtheHydrostat-DriveBelt
1.Insertanutdriverorsmallpieceoftubingonto
theendofthebelt-tensioningspring.
CAUTION
Thespringthattensionsthebeltisunder
aheavyload,andreleasingthetensionof
thespringimproperlymaycauseinjury.
Usecarewhende-tensioningthespring
andreplacingthebelt.
2.Pushdownandforwardonthespringendto
unhookitfromthebracketandreleasetension
onthespring(Figure63).
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Figure63
1.Springend
2.Hydrostat-drivebelt
3.Replacethebelt.
4.Reversethisproceduretotensionthespring.
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