Toro 74312 - Replacing the Pump-Drive Belt; Adjusting the Belt Guides

ReplacingthePump-Drive
Belt
1.Stopthemachineandmovethespeed-control
levertotheNEUTRALposition.
2.DisengagethePTO,engagetheparkingbrake,
shutofftheengine,andwaitforallmovingparts
tostop.
3.RemovethePTOBelts;refertoReplacingthe
PTOBelts(page47).
4.Pullthespringidlerorremovethespringto
relievethetensionofthepump-drivebelt.
5.Removetheoldbelt.
6.Routethenewbeltontothesheavesasshown
inthedecallocatedonthebackoftheleftdrive
shield(Figure51).
g006838
Figure51
1.Pump-drivebelt4.Pump
2.Pump5.Idler
3.Idler6.Engine
7.InstallthePTObelts;refertoReplacingthePTO
Belts(page47).
AdjustingtheBeltGuides
1.Stopthemachineandmovethespeed-control
levertotheNEUTRALposition.
2.DisengagethePTO,engagetheparkingbrake,
shutofftheengine,andwaitforallmovingparts
tostop.
3.Withtheengineoff,engagethePTOlever.
4.AdjustthebeltguidesasshowninFigure52.
g006839
Figure52
1.3mm(1/8inch)4.Rotatethewireformguide
tothecenterbeltsinthe
guide.
2.11mm(7/16inch)5.6mm(1/4inch)
3.3mm(1/8inch)clearance6.8mm(5/16inch)
48