Toro 74997 - Hydraulic Pump Drive Belt Replacement

Figure81
ReplacingtheHydraulic-Pump
DriveBelt
1.Disengagetheblade-controlswitch(PTO)andsetthe
parkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removemowerbelt;refertoReplacingtheMower
Belt(page54).
4.Raisethemachineandsupportitwithjackstands
(Figure82).
Figure82
1.Idlerpulley
5.Lefthydraulic-pumppulley
2.Clutchpulley6.Squareholeinidlerarm
3.Pump-drivebelt7.Idlerspring
4.Righthydraulic-pump
pulley
5.Usearatchetinthesquareholeintheidlerarmto
removetheidlerspring(Figure82).
6.Unhooktheidlerspringfromtheframe(Figure82).
7.Removethebeltfromthehydraulic-unit-drivepulleys
andtheenginepulley.
8.Installthenewbeltaroundenginepulleyandthe2
drivepulleys.
9.Usingaratchetinthesquareholeintheidlerarm,
installtheidlerspringtotheframe(Figure82).
10.Installthemowerbelt;refertoReplacingtheMower
Belt(page54).
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