Toro 03708N - 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(Also,checkif
externalleakageisobserved)
Checktheoillevelevery400hoursofoperation.
UsehighqualitySAE85W-140wt.gearlubeasa
replacement.
1.Withmachineonlevelsurface,positionthewheel
soonecheckplug(
Figure62)isatthe12o'clock
positionandtheotherisat3o'clockposition.
g019500
Figure62
1.Checkplug(2)
2.Removetheplugatthe3o’clockposition(Figure62).
Oillevelshouldbeatthebottomofthecheckplug
hole.
3.Iftheoillevelislow,removetheplugatthe12
o’clockpositionandaddoiluntilitbeginstoow
outoftheholeatthe3o’clockposition.
4.Re-installbothplugs.
5.Repeatsteps1through4ontheoppositeplanetary
gearassembly.
ChangingthePlanetaryGear
DriveOil
ServiceInterval:Aftertherst200hours
Every800hours(Oryearly,whichever
comesrst)
Changetheoilinitiallyafter200hoursoperation.
Thereafter,changetheoilevery800hours.Usehigh
qualitySAE85W-140wt.gearlubeasreplacement.
1.Withmachineonlevelsurface,positionawheel
sooneofthecheck/drainplugsisatthelowest(6
o’clock)position(
Figure63).
Figure63
1.Check/drainplug
2.Placeadrainpanundertheplanetaryhub,remove
plugandallowoiltodrain.
3.Placeadrainpanunderthebrakehousing,remove
thedrainplugandallowtheoiltodrain(
Figure64).
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