Toro 74267 - Adjusting the Mower Belt Tension

g006479
Figure75
1.Mowerbelt
5.Gearboxpulley
2.Mowerspindlepulley6.Idlerspring
3.Spring-loadedidlerpulley7.Idlerplate(for72inch
mowersonly)
4.Beltguideata45degree
angle
9.Installthebeltguideonthespring-loadedidler
ata45degreeangleasshowninFigure75and
Figure77.T orquetheboltto37to45N∙m(27
to33ft-lb).
10.Installtheidlerspringtothe2posts(Figure75
andFigure77).
11.For72inchmowers,adjustthebelttension,
refertoBeltMaintenance(page55).
12.Installthebeltcoversbyslidingthecoverinto
thetab,installthebolts,andclosethelatches
(Figure76).
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Figure76
1.Beltcover3.Insertslotintothetab
2.Latch
AdjustingtheMowerBelt
Tension
For72inMowersOnly
ServiceInterval:Aftertherst8hours
Important:Toensurepropermowerbelttension,
whichwillresultinalongerbeltlife,checkthe
mowerbelttensionafterthe8hoursandevery8
hours,thereafter.
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Adjustthemowerdecktothe76mm(3inches)
height-of-cutposition.
4.Measurethespringlength(Figure77).Ifthe
springlengthisbetween25.4to26cm(10to
10-1/4inches),fromposttopost,noadjustment
isneeded.
5.Loosentheboltsholdingtheidlerplate(Figure
77).
6.Insertaratchetorbreakerbarintothesquare
holeintheidlerplatetoadjustthetension
(Figure77).
7.Rotatetheratchetorbreakerbartomovethe
idlerplateuntiltheidlerspringisbetween25.4
to26cm(10to10-1/4inches)fromposttopost
asshowninFigure77.
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