Toro 30686 - Belt Maintenance; Checking the Belts; Replacing the Traction Drive Belt; Replacing the Drive Belt

BeltMaintenance
CheckingtheBelts
ServiceInterval:Every50hours
Checkallbeltsafterevery50operatinghoursor
monthly,whicheveroccursrst.
Lookfordirt,wear,cracksandsignsofoverheating.
ReplacingtheTractionDrive
Belt
1.Removehairpincottersecuringbrakerodtobrake
armtorelaxbeltidlertension(Figure36).
2.Removebottomandloosentopboltsofshieldto
rotateforbeltclearance(Figure36).
3.Liftthebeltpastidlerandoffthedrivepulley
(Figure36).
4.Raisethewheeloffgroundenoughtoallowbelt
removal.
5.Replacethetractiondrivebelt.
6.Secureshieldwithpreviouslyremovedboltand
tightenbolts(Figure36).
7.Securebrakerodtobrakearmwithhairpincotter
(Figure36).
Figure36
1.Drivebelt3.Tire
2.Drivespring4.Adjustmentbolt
ReplacingtheDriveBelt
1.Disengagethebladecontrol(PTO)leverandsetthe
parkingbrakes.
2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
3.Raisetherearofthemachineandholditupwith
jackstands.
4.Removethemowerbelt(Figure37).
Figure37
1.Idlerpulleyinslot4.Beltguide
2.Tractionbelt
5.3/4inch(19mm)
3.Mowerbelt6.Mowerbelt
5.Loosenthepivotboltenoughtoslidetheidlerpulley
intheslotandremovethetractionbeltfromthe
engineandthedrivepulleys(Figure37).
6.Installthenewdrivebeltaroundtheengineandthe
drivepulleys(Figure37).
7.Slidetheidlerpulleyintheengineframetotension
thetractionbelt(Figure37).
8.Installthemowerbelt(Figure37).
9.Checkthebeltguideundertheengineframeforthe
properadjustment(Figure37).
Note:Thedistancebetweenthebeltguideand
mowerbeltshouldbe3/4inch(19mm)whenthe
mowerbeltisengaged.Adjustthebeltifnecessary.
Thedisengagedbeltshouldnotdragorfalloffthe
pulleywhentheguidesareproperlyadjusted.
ReplacingtheMowerBelt
1.Disengagethebladecontrol(PTO)leverandsetthe
parkingbrakes.
2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
3.Removetheknobsandthebeltcoveronthemower.
4.Removetheidlerpulleyandthewornbelt(Figure38).
5.Installthenewmowerbelt.
6.Installtheidlerpulley.
7.Engagethebladecontrol(PTO)leverandcheck
thebelttension.RefertoAdjustingtheMowerBelt
Tension.
36