Toro 74142TE - Hydraulic System Maintenance; Servicing the Hydraulic System; Changing the Hydraulic-System Filter and Oil

HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicOilType:Toro
®
HYPR-OIL
™
500hydraulicoil
orMobil
®
115W-50.
Important:Usetheoilspecied.Otheruidscould
damagethehydraulicsystem.
CheckingtheHydraulicOilLevel
ServiceInterval:Every25hours
1.Allowthehydraulicoiltocooldown.Checktheoil
levelwhentheoiliscold.
2.CheckexpansionreservoirandifnecessaryaddToro
®
HYPR-OIL
™
500hydraulicoiltotheFULLCOLD
line.
G017452
G017451
1
2
Figure72
1.Expansionreservoir
2.FULLCOLDline
Changingthe
Hydraulic-SystemFilter
andOil
Changethelterandoilatthesametime.Donotusetheoil
again.Purgeanyairinthesystemafteryouinstallthenew
lterandaddoil.
Repeatthebleedingprocessuntiltheoilremainsatthe
FULLCOLDlineinthereservoirafterpurging.Failureto
properlyperformthisprocedurecanresultinirreparable
damagetothetransaxledrivesystem.
RemovingHydraulic-SystemFilters
1.Stoptheengine,waitforallmovingpartstostop,allow
theenginetocool,removethekey,andengagethe
parkingbrake.
2.Locatethelterandguardsoneachtransaxle-drive
system(Figure73).
3.Removethe3screwssecuringthelterguardand
guard(Figure73).
G017444
1
2
3
4
5
Figure73
Rightsideshown
1.Transaxledrive
4.Screws
2.Oillter
5.Ventplug
3.Filterguard
4.Carefullycleantheareaaroundthelters.
Important:Donotallowdirttoenterthe
hydraulicsystem,orcontaminationmayoccur.
5.Placeadrainpanbelowtheltertocatchtheoilthat
drainswhenthelterandventplugsareremoved.
6.Locateandremovetheventplugoneachtransmission
7.Unscrewtheltertoremoveit,andallowtheoilto
drainfromdrivesystem.
8.Repeatthisprocedureforbothlters.
51