Toro 22321 - Hydraulic System Maintenance; Replacing the Hydraulic Filter

1.Drivethetractionunitwiththetractioncontrol
againstthereferencebar,notingwhichdirectionthe
tractionunitveers.
2.Releasethetractioncontrol.
3.Ifthetractionunitveerstotheleft,loosentheright
jamnutandadjustthetrackingsetscrewonthefront
ofthetractioncontrol(Figure53).
4.Ifthetractionunitveerstotheright,loosenthe
leftjamnutandadjustthetrackingsetscrewonthe
frontofthetractioncontrol(Figure53).
Figure53
1.Setscrew3.Stop
2.Jamnut
5.Repeatsteps1through4untilthetractionunitdrives
straightinthefullforwardposition.
Important:Ensurethetrackingsetscrews
touchthestopsinthefullforwardpositionto
avoidoverstrokingthehydraulicpumps.
HydraulicSystem
Maintenance
ReplacingtheHydraulicFilter
ServiceInterval:Aftertherst8hours
Every200hours
Important:Donotsubstituteanautomotiveoil
lterorseverehydraulicsystemdamagemayresult.
Changethehydrauliclter:
•Aftertherst8operatinghours
•Afterevery200operatinghours
1.Positiontractionunitonalevelsurface.
2.Lowertheloaderarms,stoptheengine,andremove
thekey.
3.Opentherearaccesscover.
4.Placeadrainpanunderthelter(Figure54).
Figure54
1.Hydrauliclter
5.Removetheoldlter(Figure54)andwipethe
surfaceofthelteradaptergasketclean.
6.Applyathincoathydraulicuidtotherubbergasket
onthereplacementlter.
7.Installthereplacementhydrauliclterontothelter
adapter(Figure54).Tightenitclockwiseuntilthe
rubbergasketcontactsthelteradapter,thentighten
thelteranadditional3/4turn.
8.Cleanupanyspilleduid.
9.Starttheengineandletitrunforabouttwominutes
topurgeairfromthesystem.
10.Stoptheengineandcheckforleaks.
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