Toro 30607 - Belt Maintenance; Servicing the Alternator Belt; Servicing the Compressor Belt; Re-Tensioning the Blade Drive Belts

BeltMaintenance
ServicingtheAlternator
Belt
ServiceInterval:Aftertherst10hours
Every100hours
Checktheconditionandtensionofthebelt(Figure
96)afterevery100operatinghours.
1.Propertensionwillallow10mm(3/8inch)
deectionwhenaforceof44N(10lb)isapplied
onthebeltmidwaybetweenthepulleys.
2.Ifthedeectionisnot10mm(3/8inch),loosen
thealternatormountingbolts(Figure96).
Increaseordecreasethealternatorbelttension
andtightenthebolts.Checkthedeectionofthe
beltagaintoensurethatthetensioniscorrect.
g020460
Figure96
1.Alternator
3.Compressor
2.Mountingbolt4.Idlerpulley
ServicingtheCompressor
Belt
ServiceInterval:Aftertherst10hours
Every100hours
Cabmodelonly
Checktheconditionandtensionofthebelt(Figure
96)afterevery100operatinghours.
1.Propertensionwillallow10mm(3/8inch)
deectionwhenaforceof44N(10lb)isapplied
onthebeltmidwaybetweenthepulleys.
2.Ifthedeectionisnot10mm(3/8inch),
loosentheidlerpulleymountingbolt(Figure
96).Increaseordecreasethecompressor
belttensionandtightenthebolt.Checkthe
deectionofthebeltagaintoensurethatthe
tensioniscorrect.
Re-tensioningtheBlade
DriveBelts
ServiceInterval:Aftertherst10hours
Every50hours
Checktheconditionandtensionofthecuttingunit
drivebeltsinitiallyafter10hoursofoperationand
every50operatinghoursthereafter.
Whenproperlytensioned,theextensionspring(hook
tohook)measurementshouldbeapproximately8.9
cm±.63cm(3.50±.25inch)(inside).Oncethe
correctspringtensionisattained,adjustthestop
bolt(carriagebolt)untilthereisapproximately.32
cm±.152/.000cm(.125+.060/-.000inch)clearance
betweentheheadoftheboltandtheidlerarm(Figure
97).
Note:Makesurethebeltispositionedonthespring
sideofthebeltguide(Figure97).
g004717
Figure97
1.Belt4.Beltguide
2.Eyebolt5.Flangenut
3.Extensionspring
6.Stopbolt
ReplacingtheBladeDrive
Belt
ServiceInterval:Every800hours
Thebladedrivebelt,tensionedbythespringloaded
idlerpulley,isverydurable.However,aftermany
hoursofuse,thebeltwillshowsignsofwear.Signs
ofawornbeltare:squealingwhenbeltisrotating,
bladesslippingwhencuttinggrass,frayededges,
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