Toro 74770 - Mower Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt

MowerBeltMaintenance
InspectingtheBelts
ServiceInterval:Every25hours—Checkthebelts
forwearorcracks.
Checkthebeltsforcracks,frayededges,burnmarks,
oranyotherdamage.Replacedamagedbelts.
ReplacingtheMowerBelt
Thesignsofawornbeltincludesquealingwhilethe
beltisrotating,bladesslippingwhilecuttinggrass,
andfrayededges,burnmarks,andcracksonthebelt.
Replacethemowerbeltifanyoftheseconditionsare
evident.
1.Parkthemachineonalevelsurfaceand
disengagetheblade-controlswitch.
2.Movethemotion-controlleversoutwardtothe
PARKposition,shutofftheengine,removethe
key,andwaitforallmovingpartstostopbefore
leavingtheoperatingposition.
3.Settheheight-of-cutatthelowestcutting
positionof38mm(1-1/2inches).
4.Removethepulleycovers(Figure62).
g032555
Figure62
1.Cover2.Screw
5.Usingaspring-removaltool(T oroPartNo.
92-5771),removetheidlerspringfromthedeck
hooktoremovetensionontheidlerpulley,and
rollthebeltoffthepulleys(Figure63).
WARNING
Thespringisundertensionwhen
installedandcancausepersonalinjury.
Becarefulwhenremovingthebelt.
6.Routethenewbeltaroundtheenginepulleyand
mowerpulleys(Figure63).
7.Usingaspring-removaltool,installtheidler
springoverthedeckhook,andplacetensionon
theidlerpulleyandmowerbelt(Figure63).
8.Installthepulleycovers(Figure62).
g014931
Figure63
1.Idlerpulley
4.Spring
2.Mowerbelt5.Enginepulley
3.Outsidepulley6.Spring-removaltool
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