Toro 30857N - Drive System Maintenance; Checking the Torque of the Wheel Nuts; Checking the Planetary Gear Drive Oil; Changing the Planetary Gear Drive Oil

DriveSystem
Maintenance
CheckingtheTorqueofthe
WheelNuts
ServiceInterval:Aftertherst8hours
Every200hours
WARNING
Failuretomaintainpropertorqueofthewheelnuts
couldresultinwheelfailureorlossofawheeland
mayresultinpersonalinjury.
Torquethefrontandrearwheelnutsto115to
136N-m(85to100ft-lb)after1to4hoursof
operationandagainafter8hoursofoperation.
Torquethemevery200hoursthereafter.
Note:Thefrontwheelnutsare1/2-20UNF .Therearwheel
nutsareM12x1.6-6H(metric).
CheckingthePlanetaryGear
DriveOil
ServiceInterval:Every400hours
Checktheoillevelafterevery400hoursofoperation.Use
high-qualitySAE85W-140gearlubeasareplacement.
1.Withthemachineonlevelsurface,positionthewheel
sothatonecheckplug(Figure41)isatthe12o'clock
positionandtheotherisatthe3o'clockposition.
g019500
Figure41
1.Check/drainplug(2)
2.Removetheplugatthe3o’clockposition(Figure41).
Note:Theoillevelshouldbeatthebottomofthe
check-plughole.
3.Iftheoillevelislow ,removetheplugatthe12o’clock
positionandaddoiluntilitbeginstoowoutofthe
holeatthe3o’clockposition.
4.Installbothplugs.
5.Repeatsteps1through4ontheoppositeplanetary
gearassembly.
ChangingthePlanetaryGear
DriveOil
ServiceInterval:Aftertherst200hours
Every800hours/Yearly(whichevercomesrst)
Changetheoilinitiallyafterrst200hoursofoperation.
Thereafter,changetheoilevery800hours,oryearly,
whicheveroccursrst.Useahigh-qualitySAE85W-140gear
lubeasareplacement.
1.Withthemachineonalevelsurface,positionawheel
sothat1ofthecheckplugsisatthelowest(6o'clock)
position(Figure42).
Figure42
1.Check/drainplug
2.Placeadrainpanundertheplanetaryhub,removethe
plug,andallowtheoiltodrain.
3.Placeadrainpanunderthebrakehousing,removethe
drainplug,andallowtheoiltodrain(Figure43).
g019743
Figure43
1.Brakehousing2.Drainplug
4.Whenalloftheoilhasdrainedfrombothlocations,
installthepluginthebrakehousing.
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