Toro 74269 - Drive Belt Adjustments; Adjusting the Drive Belts

Figure66
1.Rearenginepanel
4.Pullonthespringloadedidlerpulleytoloosenthe
belttension(Figure67).
5.Removethemowerbeltfromthetoppulleyofthe
threestackedpulleys(Figure65andFigure67).
6.Removetheworndrivebelt.
7.Installthenewdrivebeltaroundtheclutchpulley,
theadjustableidlerpulleys,thespringloadedidler
pulley,andthefrontthreestackedpulleys(
Figure67).
8.Adjustthebelttension;refertoAdjustingtheDrive
Belts.
9.Installthemowerbeltaroundthemowerpulleys
andthetoppulleyofthethreestackedpulleys
(
Figure65andFigure67).
Figure67
1.Drivebelt4.Adjustableidlerpulley
2.Clutch
5.Threestackedpulleys
3.Springloadedidlerpulley
6.Mowerbelt
AdjustingtheDriveBelts
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
Note:Measureonlythespringcoils.
3.Measurethelengthofthespring.Checktomake
surethecoilsofthespringonthespring-loaded
idlerpulleymeasuresaslistedbelow(
Figure68and
Figure69).
•Leftspringmeasurement:5-3/4±1/8inch
(14.6±0.3cm)(Figure68).
•Rightspringmeasurement:5-1/2±1/8inch
(14.0±0.3cm)(Figure68).
4.Ifthespringdoesnothavethecorrectmeasurement,
loosenthenutholdingtheadjustableidlerpulleyso
itcanmoveupanddownintheslot(
Figure69).
5.Relievethepressureonthespring-loadedidlerpulley
(Figure69).
6.Positiontheadjustablepulleylowerintheslotand
tightenthenut(Figure69).
7.Checktomakesurethecoilsofthespringon
thespring-loadedidlerpulleyhavethecorrect
measurement(
Figure68).
8.Repeatasnecessaryontheoppositesideofthe
machine.
Figure68
1.Spring/Springcoils
3.Rightspring
measurement-5-1/2±
1/8inch(14.0±0.3cm)
2.Leftspring
measurement-5-3/4±
1/8inch(14.6±0.3cm)
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