Toro 74265TE - Adjusting the Mower Belt Tension

9.Removetheexistingbelt.
10.Installthenewbeltaroundthemowerpulleysandthe
gearboxpulleyundertheengine(Figure82).
g006479
Figure82
1.Mowerbelt
5.Gearboxpulley
2.Mowerspindlepulley6.Idlerspring
3.Spring-loadedidlerpulley7.Idlerplate(for72inch
mowersonly)
4.Beltguideata45degree
angle
11.Installthebeltguideonthespring-loadedidlerata
45degreeangleasshowninFigure82andFigure84.
Torquetheboltto37to45N∙m(27to33ft-lb).
12.Installtheidlerspringtothe2posts(Figure82and
Figure84).
13.For72inchmowers,adjustthebelttension,referto
BeltMaintenance(page55).
14.Installthebeltcoversbyslidingthecoverintothetab,
installthebolts,andclosethelatches(Figure83).
g006535
Figure83
1.Beltcover3.Insertslotintothetab
2.Latch
15.Installthesheet-metalguard.
16.Tightenthebottomboltholdingthemower-deck
curtaintothemowerdeck.
AdjustingtheMowerBelt
Tension
For72inMowersOnly
ServiceInterval:Aftertherst8hours
Important:Toensurepropermowerbelttension,which
willresultinalongerbeltlife,checkthemowerbelt
tensionafterthe8hoursandevery8hours,thereafter.
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Adjustthemowerdecktothe76mm(3inches)
height-of-cutposition.
4.Measurethespringlength(Figure84).Ifthespring
lengthisbetween25.4to26cm(10to10-1/4inches),
fromposttopost,noadjustmentisneeded.
5.Loosentheboltsholdingtheidlerplate(Figure84).
6.Insertaratchetorbreakerbarintothesquareholein
theidlerplatetoadjustthetension(Figure84).
7.Rotatetheratchetorbreakerbartomovetheidlerplate
untiltheidlerspringisbetween25.4to26cm(10to
10-1/4inches)fromposttopostasshowninFigure84.
8.Whileholdingthebelttensionandspringlength,
tightentheidlerplateboltsthatsecuretheidlerplate
(Figure84).
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