Toro 74449 - Brake and Belt Maintenance

BrakeMaintenance
AdjustingtheParkingBrake
Checktheparkingbrakeforproperadjustment.
1.Disengagethebrakelever(leverdown).
2.Measurethelengthofthespring;themeasurement
shouldbe2-3/4inch(74mm)betweenthewashers
(Figure43).
Figure43
1.Brakelever
5.3/16to1/4inch(5to
7mm)
2.Spring,2-3/4inch(74mm)
6.Jamnutandyoke
3.Adjustingnuts7.Trunnion
4.Collaronbrakerod
3.Ifanadjustmentisnecessary,dothefollowing:
A.Loosenthejamnutbelowthespringandtighten
thenutdirectlybelowtheyoke(Figure43).
B.Turnthenutuntilyouobtainthecorrect
measurement.
C.Tightenthe2nutstogetherandrepeatonthe
oppositesideofthemachine.
4.Turnthenutsclockwisetoshortenthespringlength;
counterclockwisetolengthenthespring.
5.Engagetheparkingbrake,withtheleverup.
6.Measurethedistancebetweenthetrunnionroller
andthecollaronthebrakerod.Themeasurement
shouldbe3/16to1/4inch(5to7mm)(Figure43).
7.Ifanadjustmentisnecessary,dothefollowing:
A.Loosenthejamnutdirectlybelowtheyoke.
B.Turnthebottomadjustingnutsuntilthecorrect
measurementisobtained(Figure43).
C.Tightenthejamnutattheyoke.
BeltMaintenance
InspectingtheBelts
ServiceInterval:Every100hours
Checkbeltsforcracks,frayededges,burnmarksorany
otherdamage.Replacedamagedbelts.
ReplacingtheMowerBelt
Thesignsofawornmowerbeltaresquealingwhilethe
beltisrotating,bladesslippingwhileyouarecutting
grass,frayedbeltedges,burnmarks,andcracks.Replace
themowerbeltifyoudetectanyofthesesigns.
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedposition,andsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removethebeltcoversovertheoutsidespindles.
4.Loosenthexedidlerarmandadjustittorelievethe
belttensiononthexedidlerpulley(Figure44).
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