Operator's Manual

ReplacingtheHydraulicFluidand
Filters
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.DisengagethePTOandengagetheparking
brake.
2.Shutofftheengineandwaitforallmovingparts
tostopbeforeleavingtheoperatingposition.
3.Removethefueltank;refertoRemovingthe
FuelT ank(page38).
4.Removethehydraulic-reservoircap.
5.Locatethedrainpluginthebottomofeach
transmissionandplaceadrainpanunderthe
plugs(Figure72).
g032671
Figure72
1.Drainplug
2.Hydrauliclter
6.Removethedrainplugs.
7.Allowthehydraulicuidtofullydrainfromthe
machine.
8.Removethehydraulicltercapandlterfrom
eachtransmission.
9.Installnewhydrauliclterswiththespringside
facingoutandinstalltheltercaps.
10.Installthedrainplugs.
11.Loosentheventplugineachtransmissionso
thatitislooseandwobbles(Figure73).
Note:Thisallowsairtoescapethehydraulic
systemasyouaddhydraulicuid.
g031544
Figure73
Lefttransmissionshown
1.Ventplug
12.Slowlyadduidtothehydraulictankuntilit
startstocomeout1oftheventplugs.
Important:Usetheuidspeciedin
ServicingtheHydraulicSystem(page50)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(page52).
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