Toro 74020 - Replacing the Hydraulic Pump-Drive Belt

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Figure75
ReplacingtheHydraulic
Pump-DriveBelt
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethemowerbelt;refertoReplacingthe
MowerBelt(page56).
4.Raisethemachineandsupportitwithjack
stands.
5.Usea1/2-inchratchetorbreakerbarinone
ofthesquareholesintheidlerarmtoremove
tensionontheidlerspring(Figure76).
6.Removetheexistingbeltfromtheidlerpulley,2
hydraulic-pump-drivepulleys,andenginepulley
(Figure76).
7.Installthenewbeltaroundtheidlerpulley,
enginepulley,and2hydraulic-pumppulleys
(Figure76).
8.Usingthe1/2-inchratchetorbreakerbarinone
ofthesquareholes,installtheidlerspring.
Note:Ensurethatthespringendsareseated
intheanchorgrooves.
9.Installthemowerbelt;refertoReplacingthe
MowerBelt(page56).
g334847
Figure76
1.Idlerpulley6.Righthydraulic-pump
pulley
2.Squareholeintheidler
armfortheratchet
7.Mowerbelt
3.Enginepulley8.Idler-springpost
4.Idlerarm
9.Lefthydraulic-pumppulley
5.Hydraulicpump-drivebelt
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