Toro 74991 - Replacing the Hydraulic Pump Drive Belt

g027730
Figure84
1.Positionthebeltcover3.Ensurethatthetabis
underthemetalcatch
2.Slidebeltcoverunderthe
sidecatches
ReplacingtheHydraulic
PumpDriveBelt
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethemowerbelt.RefertoReplacingthe
MowerBeltinMaintenance.
4.Raisethemachineandsupportitwithjack
stands(Figure85).
g009039
Figure85
1.Idlerpulley
5.Left-handhydraulicpump
pulley
2.Clutchpulley6.Squareholeinidlerarm
3.Pumpdrivebelt7.Idlerspring
4.Right-handhydraulic
pumppulley
5.Usearatchetinthesquareholeintheidlerarm
toremovetheidlerspring(Figure85).
6.Unhooktheidlerspringfromtheframe(Figure
85).
7.Removethebeltfromthehydraulicunitdrive
pulleysandtheenginepulley
8.Installthenewbeltaroundenginepulleyand
thetwodrivepulleys.
9.Usingaratchetinthesquareholeintheidler
arm,installtheidlerspringtotheframe(Figure
85).
10.Installthemowerbelt.RefertoReplacingthe
MowerBelt.
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