Toro TimeCutter MX 5050 - Changing Hydraulic Oil and Bleeding System

5.Placeacontainerbelowtheltertocatchtheoilthat
drainswhenthelterandventplugsareremoved.
6.Locateandremovetheventplugoneachtransmission
7.Unscrewtheltertoremoveandallowoiltodrain
fromdrivesystem.
Repeatthisprocedureforbothlters.
InstallingtheHydraulicSystemFilters
B
A
C D
E
F
3/4
g027477
Figure47
1.Applyathincoatofthespeciedoilonthesurfaceof
therubbersealofeachlter.
2.Turnthelterclockwiseuntilrubbersealcontactsthe
lteradapterthentightenthelteranadditional3/4to
1fullturn.Repeatfortheotherlter
3.Installthelterguardsovereachlteraspreviously
removed.Usethethreescrewstosecurethelter
guards.
4.Verifytheventplugsareremovedbeforeaddingtheoil.
5.Slowlypourthespeciedoilthroughexpansion
reservoiruntiloilcomesoutofoneoftheventplug
holes.Stopandinstallthatventplug.Torquetheplug
to180in-lb(20.3N-m).
6.Continuetoaddoilthroughtheexpansionreservoir
untiloilcomesoutoftheremainingventplugholeon
thesecondtransmission.Stopandinstallthatvent
plug.Torquetheplugto180in-lb(20.3N-m).
7.Continuetoaddoilthroughtheexpansionreservoir
untilitreachestheFullColdlineontheexpansion
reservoir.
8.ProceedtotheBleedingtheHydraulicSystemsection.
Important:Failuretoperformthe
Bleeding
the Hy draulic System procedureafterchanging
hydraulicltersandoilcanresultinirreparable
damagetothetransaxledrivesystem.
BleedingtheHydraulicSystem
1.Entertheoperator'sposition.Startengineand
movethrottlecontrolaheadto1/2throttleposition.
Disengageparkingbrake.
A.Movethebypassleversintothepushingthe
machineposition;refertothePushingthe
MachinebyHandsectioninOperation.Withthe
bypassvalvesopenandtheenginerunning,slowly
movethemotioncontrolleversinbothforward
andreverse(5or6times).
B.Movethebypassleversintotheoperating
themachineposition.Withthebypassvalve
closedandtheenginerunning,slowlymovethe
directionalcontrolinbothforwardandreverse
directions(5to6times).
C.Stoptheengineandchecktheoillevelinthe
expansionreservoir.Addthespeciedoilasuntil
itreachestheFullColdlineontheexpansion
reservoir.
2.Repeatstep1untilalltheairiscompletelypurgedfrom
thesystem.
Whenthetransaxleoperatesatnormalnoiselevelsand
movessmoothlyforwardandreverseatnormalspeeds,
thenthetransaxleisconsideredpurged.
3.Checktheoillevelintheexpansionreservoironelast
time.AddthespeciedoilasuntilitreachestheFull
Coldlineontheexpansionreservoirifnecessary.
38