Toro 29521 - Chain Maintenance; Checking the Condition of the Sprockets; Checking the Condition and Tension of the Chains; Adjusting the Jackshaft Drive-Chain Tension

ChainMaintenance
CheckingtheConditionof
theSprockets
ServiceInterval:Beforeeachuseordaily
1.Shutofftheengine,engagetheparkingbrake,
waitforallmovingpartstostop,andremove
thekey.
2.Inspectsprocketsforwearandreplaceas
required(Figure69).
g025984
Figure69
1.Sprockets2.Chains
CheckingtheCondition
andTensionoftheChains
ServiceInterval:Beforeeachuseordaily
1.Shutofftheengine,engagetheparkingbrake,
waitforallmovingpartstostop,andremove
thekey.
2.Checktheconditionandchaintensionforthe
followingchainsatbothsidesofthemachine:
•Jackshaftdrive-chain
•Drivewheelchain
•Tinedrivechain
Thechainsshouldmoveupanddown6to12
mm(1/4to1/2inch).
g276759
Figure70
1.Tinedrivechain
3.Jackshaftdrive-chain
2.Drivewheelchain
4.6to12mm(1/4-1/2inch)
3.Ifthechainspop,snap,orthetensionis
incorrect,adjustthechaintension;referto
AdjustingtheJackshaftDrive-ChainT ension
(page56),AdjustingtheDriveWheelChain
Tension(page57),orAdjustingtheTineDrive
Chain(page58).
AdjustingtheJackshaft
Drive-ChainTension
1.Shutofftheengine,engagetheparkingbrake,
removethekey,andwaitforallmovingpartsto
stopbeforeleavingtheoperatingposition.
2.Lifttherearofthemachineandsupportitusing
jackstandsorequivalentsupport.
3.Checkthechainsonbothsidesofthemachine
forpropertension.
Note:Thechainsshouldmoveupanddown6
to12mm(1/4to1/2inch).
4.Ateachsideofthemachine,loosenthe3nuts
andboltsthatsecurethetransmissionmount
56