Toro 74490 - Page 63

2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Allowtheenginetocool.
4.Locatethelterandguardsoneach
transaxle-drivesystem(Figure83).
5.Removethe3screwssecuringthelterguard
andguard(Figure83).
g017444
Figure83
Rightsideshown
1.Transaxledrive
4.Screws
2.Filter5.Ventplug
3.Filterguard
6.Carefullycleantheareaaroundthelters.
Important:Donotallowdirttoenterthe
hydraulicsystem,orcontaminationmay
occur.
7.Placeadrainpanbelowtheltertocatchthe
uidthatdrainswhenthelterandventplugs
areremoved.
8.Locateandremovetheventplugoneach
transmission
9.Unscrewtheltertoremoveit,andallowthe
uidtodrainfromthedrivesystem.
10.Repeatthisprocedureforbothlters.
InstallingtheHydraulic-System
Filters
1.Applyathincoatofhydraulicuidonthesurface
oftherubbersealofeachlter.
2.Turnthelterclockwiseuntiltherubberseal
contactsthelteradapter,thentightenthelter
anadditional3/4to1fullturn.
3.Repeatfortheoppositelter.
4.Installthelterguardsovereachlterthatyou
previouslyremoved.
5.Usethe3screwstosecurethelterguards.
6.Verifythattheventplugsareremovedbefore
addingtheuid.
7.Slowlypourthespecieduidthroughthe
expansionreservoiruntiluidcomesoutof1
ofthevent-plugholes.
8.Installtheventplug.
9.Torquetheplugto20N∙m(15ft-lb).
10.Continuetoadduidthroughtheexpansion
reservoiruntiluidcomesoutoftheremaining
vent-plugholeonthesecondtransmission.
11.Installtheoppositeventplug.
12.Torquetheplugto20N∙m(15ft-lb).
13.Continuetoadduidthroughtheexpansion
reservoiruntilitreachestheFULLCOLDlineon
theexpansionreservoir.
14.ProceedtoBleedingtheHydraulicSystem
(page64).
Important:FailuretoperformtheBleeding
theHydraulicSystemprocedureafter
changinghydraulicltersanduidcan
resultinirreparabledamagetothetransaxle
drivesystem.
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