Toro 74408 Z334 Z Master - Belt Maintenance; Inspecting the Belts; Replacing the Mower Belt; Checking and Replacing the Pump Drive Belt

BeltMaintenance
InspectingtheBelts
ServiceInterval:Every100hours—Inspectallbelts
forcracksandwear.
Checkbeltsforcracks,frayededges,burnmarksorany
otherdamage.Replacedamagedbelts.
ReplacingtheMowerBelt
Thesignsofawornmowerbeltaresquealingwhilethe
beltisrotating,bladesslippingwhileyouarecutting
grass,frayedbeltedges,burnmarks,andcracks.Replace
themowerbeltifyoudetectanyofthesesigns.
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedposition,andsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Remove2boltsandwashersineachbeltcoverand
removethebeltcoversovertheoutsidespindles
(Figure44).
4.Pullontheidlerarmtorelievethebelttensionon
theleftspindlepulley(Figure42orFigure43).
5.Removetheoldbelt.
6.Installthenewbeltaroundthepulleys(Figure42
orFigure43).
7.Installthebeltontothespringloadedidlerpulley.
Figure42
34inchMower
1.Fixedidlerpulley3.Mowerbelt
2.Leftspindlepulley4.Spring-loadedidlerarm
Figure43
40inchMower
1.Fixedidlerpulley3.Mowerbelt
2.Leftspindlepulley4.Spring-loadedidlerarm
8.Installthebeltcoversovertheoutsidespindles
(Figure44).
Note:Non-commercialownerswillneedtoinstall
thefrontwasherandboltthatholdsthebeltcover
inplace.
Figure44
40inchmowershown
1.Leftbeltcover
3.Washer
2.Rightbeltcover4.Bolt
CheckingandReplacingthe
PumpDriveBelt
ServiceInterval:Every50hours—Checkpumpdrive
belt.
1.Pushtheseatforwadandlocatethepumpdrivebelt.
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