Toro 74978 - Replacing the Hydraulic Pump Drive Belt

Figure75
1.Positionthebeltcover3.Ensurethetabisunder
themetalcatch
2.Slidebeltcoverunderthe
sidecatches
ReplacingtheHydraulicPump
DriveBelt
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removemowerbelt.RefertoReplacingtheMower
BeltinMaintenance.
4.Raisethemachineandsupportitwithjackstands.
5.Usearatchetinthesquareholeintheidlerarmto
removetheidlerspring(
Figure76).
6.Unhooktheidlerspringfromtheframe(Figure76).
7.Removethebeltfromthehydraulicunitdrivepulleys
andtheenginepulley
8.Installthenewbeltaroundenginepulleyandthetwo
drivepulleys.
9.Usingaratchetinthesquareholeintheidlerarm,
installtheidlerspringtotheframe(Figure76).
10.Installthemowerbelt.RefertoReplacingtheMower
Belt.
Figure76
1.Idlerpulley
5.Lefthandhydraulicpump
pulley
2.Clutchpulley6.Squareholeinidlerarm
3.Pumpdrivebelt7.Idlerspring
4.Righthandhydraulicpump
pulley
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