Toro 30447N - Service Interval Chart; Lubrication; Greasing the Bearings and Bushings

CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentlystarttheengineandseriouslyinjure
youorotherbystanders.
Removethekeyfromtheignitionbeforeyoudoanymaintenance.
ServiceIntervalChart
Figure36
Lubrication
GreasingtheBearingsand
Bushings
Themachinehasgreasettingsthatmustbelubricated
regularlywithNo.2GeneralPurposeLithiumBaseGrease.
Ifthemachineisoperatedundernormalconditions,lubricate
allbearingsandbushingsafterevery50hoursofoperationor
immediatelyaftereverywashing.
Bearingsrarelyfailfromdefectsinmaterialsorworkmanship.
Themostcommonreasonforfailureismoistureand
contaminationworkingitswaypasttheprotectiveseals.
Bearingsthataregreasedwillrelyuponregularmaintenance
topurgeharmfuldebrisfromthebearingarea.Sealed
bearings,suchasthecastorwheelbearings,relyonan
initialllofspecialgreaseandarobustintegralsealtokeep
contaminantsandmoistureoutoftherollingelements.
Thesealedbearingsrequirenolubricationorshortterm
maintenance.Thisminimizesroutineservicerequired
andreducesthepotentialofturfdamageduetogrease
contamination.Thesesealedbearingpackageswillprovide
goodperformanceandlifeundernormaluse,butperiodic
inspectionsofbearingconditionandsealintegrityshould
beconductedtoavoiddowntime.Thesebearingsshould
beinspectedseasonallyandreplacedifdamagedorworn.
Bearingsshouldoperatesmoothlywithnodetrimental
characteristicssuchashighheat,noise,loosenessor
indicationsofcorrosion(rust).
Duetotheoperatingconditionsthesebearing/sealpackages
aresubjectto(i.e.sand,turfchemicals,water,impacts,etc.)
theyareconsiderednormalwearitems.Bearingsthatfaildue
tocausesotherthandefectsinmaterialsorworkmanshipare
typicallynotcoveredunderwarranty.
Note:Bearinglifecanbenegativelyaffectedbyimproper
washdownprocedures.Donotwashdowntheunitwhenit
isstillhotandavoiddirectinghigh-pressureorhighvolume
sprayatthebearings.
Thegreasettinglocationsandquantitiesare:
TractionUnit
ServiceInterval:Every50hours
•Brakeshaftpivotbearings(5)(Figure37)
•Tractionpedalpivotbushing(1)(Figure38)
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