Toro 74444 - Belt Maintenance; Replacing the Mower Belt

6.Measurethedistancebetweenthetrunnionroller
andthecollaronthebrakerod.Themeasurement
shouldbe3/16to1/4inch(5to7mm)(Figure50).
7.Ifanadjustmentisnecessary,dothefollowing:
A.Loosenthejamnutdirectlybelowtheyoke.
B.Turnthebottomadjustingnutsuntilthecorrect
measurementisobtained(Figure50).
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(Figure51).
Figure51
1.Fixedidlerarm4.Mowerbelt
2.Squarehole
5.Beltguide
3.FixedIdlerpulley
6.Spring-loadedidlerpulley
5.Removetheoldbelt.
6.Installthenewbeltthroughthebeltguideandon
thepulleys(Figure51).
7.Insertaratchetwithashortextensionorabreaker
barintothesquareholeinthexedidlerarm
(Figure52).
39