DriveSystem
Maintenance
CheckingtheTirePressure
ServiceInterval:Beforeeachuseordaily
Thetiresareoverinatedforshipping.Therefore,
releasesomeoftheairtoreducethepressure.The
correctairpressureinthetiresis83to103kPa(12to
15psi).Checkthetirepressuredaily.
Important:Maintaintherecommendedpressure
inalltirestoensureagoodqualityofcutand
propermachineperformance.Donotunderinate
thetires.
CheckingtheTorqueofthe
WheelNuts
ServiceInterval:Aftertherst8hours
Every200hours
Parkthemachineonalevelsurface,lowerthecutting
units,engagetheparkingbrake,shutofftheengine,
andremovethekey.
WARNING
Failuretomaintainpropertorqueofthewheel
nutscouldresultinfailureorlossofawheel
andmayresultinpersonalinjury.
Torquethefrontandrearwheelnutsto
115to136N∙m(85to100ft-lb)after1to4
hoursofoperationandagainafter8hoursof
operation.Torquethewheelnutsevery200
hoursthereafter.
Note:Thefrontwheelnutsare1/2–20UNF.Therear
wheelnutsareM12x1.6-6H(metric).
CheckingforEnd-Playin
thePlanetaryDrives
ServiceInterval:Every400hours
Thereshouldbenoend-playintheplanetary
drives/drivewheels(i.e.,thewheelsshouldnotmove
whenyoupullorpushtheminadirectionparallelto
theaxle).
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunits,shutoff
theengine,andremovethekey.
2.Chocktherearwheelsandraisethefrontof
machine,supportingthefrontaxle/frameonjack
stands.
DANGER
Amachineonajackmaybeunstableand
slipoffthejack,injuringanyonebeneath
it.
•Donotstarttheenginewhilethe
machineisonajack.
•Alwaysremovethekeyfromthe
switchbeforegettingoffthemachine.
•Blockthetireswhenyouareraising
themachinewithajack.
•Supportthemachinewithjackstands.
3.Grasp1ofthefrontdrivewheelsandpush/pullit
towardandawayfromthemachine,notingany
movement.
g229453
Figure62
1.Frontdrivewheels
4.Repeatstep3fortheotherdrivewheel.
5.Ifeitherwheelmoves,contactyourauthorized
Torodistributortohavetheplanetarydrive
rebuilt.
CheckingthePlanetary
Gear-DriveLubricant
ServiceInterval:Every400hours(checkifyou
noticeexternalleakage).
LubricantSpecication:highqualitySAE85W-140
gearlubricant
1.Parkthemachineonlevelsurface,positionthe
wheelsothatthellplugisatthe12o'clock
position,thecheckplugisat3o'clockposition,
andthedrainplugisatthe6o'clockposition
(Figure63).
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