Toro 03708 - 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
couldresultinfailureorlossofwheelandmay
resultinpersonalinjury.
Torquethefrontandrearwheelnutsto85-100ft.-lb.
(115-136N·m)after1-4hoursofoperationandagain
after8hoursofoperation.Torqueevery200hours
thereafter.
Note:Frontwheelnutsare1/2-20UNF.Rearwheel
nutsareM12x1.6-6H(Metric).
CheckingthePlanetaryGear
DriveOil
ServiceInterval:Every400hours
Checktheoillevelafterevery400hoursofoperation
orifexternalleakageisnoted.UsehighqualitySAE
85W-140wt.gearlubeasareplacement.
1.Withthemachineonalevelsurface,positionthe
wheelsothatonecheckplug(Figure68)isatthe12
o'clockpositionandtheotherisat3o'clockposition
g019500
Figure68
1.Checkplug(2)
2.Removetheplugatthe3o’clockposition(Figure68).
Oillevelshouldbeatthebottomofthecheckplug
hole.
3.Iftheoillevelislow ,removetheplugatthe12
o’clockpositionandaddoiluntilitbeginstoow
outoftheholeatthe3o’clockposition.
4.Re-installbothplugs.
5.Repeatsteps1through4ontheoppositegear
assembly.
ChangingthePlanetaryGear
DriveOil
ServiceInterval:Aftertherst200hours
Every800hours(Oryearly,whichever
comesrst)
Changetheoilinitiallyafterrst200hoursofoperation.
Thereafterchangetheoilevery800hours.Useahigh
qualitySAE85W-140wt.gearlube.
1.Withthemachineonalevelsurface,positionawheel
sooneofthecheck/drainplugs(Figure69)isatthe
lowest(6o'clock)position.
Figure69
1.Check/drainplug(6o'clockposition)
2.Placeadrainpanundertheplanetaryhub,remove
theplug,andallowtheoiltodrain.
3.Placeanotherdrainpanunderthebrakehousing,
removethedrainplugandallowtheoiltodrain
(Figure70).
g019743
Figure70
1.Brakehousing2.Drainplug
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