Operator's Manual

ReplacingtheHydraulic
FluidandFilters
ServiceInterval:Aftertherst50hours
Every500hours/Yearly(whichevercomes
rst)—Changethehydraulicltersandhydraulic
uid.
Changethehydraulicuidmorefrequentlyinsevere
conditionsorinahotoperatingclimate.Contact
yourAuthorizedServiceDealerforahydraulickitto
replacethehydrauliclters.
WARNING
Hothydraulicuidcancausesevereburns.
Allowthehydraulicuidtocoolbefore
performinganymaintenanceonthehydraulic
system.
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethefueltank;refertoRemovingthe
FuelT ank(page38).
4.Removethehydraulic-reservoircap.
5.Locatethedrainpluginthebottomofeach
transmissionandplaceadrainpanunderthe
plugs(Figure70).
g032671
Figure70
1.Drainplug
2.Hydrauliclter
6.Removethedrainplugs.
7.Allowthehydraulicuidtofullydrainfromthe
machine.
8.Removethehydraulicltercapandlterfrom
eachtransmission.
9.Installnewhydrauliclterswiththespringside
facingoutandinstalltheltercaps.
10.Installthedrainplugsandtorqueto22to27
N∙m(16to20ft-lb).
11.Loosentheventplugineachtransmissionso
thatitislooseandwobbles(Figure71).
Note:Thisallowsairtoescapethehydraulic
systemasyouaddhydraulicuid.
g031544
Figure71
Lefttransmissionshown
1.Ventplug
12.Slowlyadduidtothehydraulictankuntilit
startstocomeout1oftheventplugs.
Important:Usetheuidspeciedin
HydraulicSystemSpecications(page49)or
equivalent.Otheruidscouldcausesystem
damage.
Important:Monitorthelevelofuidinthe
hydraulictanksothatyoudonotoverllit.
13.Tightentheventplugs.
14.Installthehydraulic-tankcap.
15.Installthefueltank.
16.Starttheengineandletitrunforabout2minutes
topurgeairfromthesystem.
17.Shutofftheengineandcheckforleaks.
Note:If1orbothwheelsdonotdrive,referto
BleedingtheHydraulicSystem(page51).
50