Toro 30696 - Adjusting the Mower Belt Tension; Adjusting the Tension

4.Removethemowerbelt;refertoReplacingthe
MowerBelt(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.
Note:Thepropermowerbelttensionis10-15lbf.
(44-67N)withthebeltdeected1/2inch(13mm)
halfwaybetweenthepulleys(Figure38).
Figure38
1.Mowerbeltwith1/2inch
(13mm)deection
2.Idlerpulley
AdjustingtheMowerBelt
Tension
AdjustingtheTension
Adjustthemowerbelttensionasfollows:
•Aftertherst8operatinghours.
•Aftertherst25operatinghours.
•Afterevery50operatinghours.
Checkthebelttensionaftertherst8operatinghours
and25operatinghoursthereafter.Checkthebelt
tensionafterevery50operatinghours.
Important:Thebladebrakeneedstobeadjusted
whenthebelttensionorthebrakelinkageis
adjusted.
Important:Thebeltmustbetightenoughtonot
slipduringheavyloadswhilecuttinggrass.Over
tensioningthebeltwillreducethespindlebearing
life,thebeltlifeandtheidlerpulleylife.
1.Disengagethebladecontrol(PTO)leverandsetthe
parkingbrakes.
2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
35