Toro TimeCutter MX 3450 74750 - Mower Belt Maintenance; Inspecting Mower Belts; Replacing Mower Belt; Spring Tension Warning

MowerBeltMaintenance
InspectingtheBelts
ServiceInterval:Every25hours—Checkthebeltsfor
wear/cracks.
Checkthebeltsforcracks,frayededges,burnmarks,orany
otherdamage.Replacedamagedbelts.
ReplacingtheMowerBelt
Squealingwhenthebeltisrotating,bladesslippingwhen
cuttinggrass,frayedbeltedges,burnmarks,andcracksare
signsofawornmowerbelt.Replacethemowerbeltifanyof
theseconditionsareevident.
1.Parkthemachineonalevelsurfaceanddisengagethe
bladecontrolswitch.
2.Movethemotioncontrolleversoutwardtothepark
position,stoptheengine,removethekey,andwaitfor
allmovingpartstostopbeforeleavingtheoperating
position.
3.Settheheight-of-cutatthelowestcuttingposition
[1-1/2inch(38mm)].
4.Usingaspringremovaltool,(Toropartno.92-5771),
removetheidlerspringfromthedeckhooktoremove
tensionontheidlerpulleyandrollthebeltoffofthe
pulleys(Figure59).
WARNING
Thespringisundertensionwheninstalled
andcancausepersonalinjury.
Becarefulwhenremovingthebelt.
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Figure59
1.Idlerpulley5.Enginepulley
2.Mowerbelt
6.Springremovaltool
3.Outsidepulley
7.Mowerdeckhandles
4.Spring
5.Routethenewbeltaroundtheenginepulleyand
mowerpulleys(Figure59).
6.Usingaspringremovaltool,(Toropartno.92-5771),
installtheidlerspringoverthedeckhookandplacing
tensionontheidlerpulleyandmowerbelt(Figure59).
InstallingtheMower
1.Parkthemachineonalevelsurfaceanddisengagethe
bladecontrolswitch.
2.Movethemotioncontrolleversoutwardtothepark
position,stoptheengine,removethekey,andwaitfor
allmovingpartstostopbeforeleavingtheoperating
position.
3.Slidethemowerunderthemachine.
4.Lowertheheight-of-cutlevertothelowestposition.
5.Lifttherearofthemowerdeckandguidethehanger
bracketsovertherearliftrod(Figure58).
6.Attachthefrontsupportrodtothemowerdeckwith
theclevispinandhairpincotter(Figure57).
7.Installthemowerbeltontotheenginepulley;referto
ReplacingtheMowerBelt.
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