Toro Groundsmaster 5900 Series - Hydraulic System Testing Procedures

Testing
Themosteffectivemethodforisolatingproblemsinthehydraulicsystemisby
usinghydraulictestequipmentsuchaspressuregaugesandowmetersinthe
circuitsduringvariousoperationalchecks(seeSpecialT ools(page2–15)).
BeforePerformingHydraulicTests
IMPORTANT
Allobviousareassuchasoilsupply,lter,bindinglinkages,
loosefastenersorimproperadjustmentsmustbecheckedbefore
assumingthatahydrauliccomponentisthesourceoftheproblem.
PrecautionsforHydraulicTesting
CAUTION
Failuretousegaugeswithrecommendedpressure(bar/PSI)rating
aslistedintestprocedurescouldresultindamagetothegaugeand
possiblepersonalinjuryfromleakinghotoil.
CAUTION
Alltestingshouldbeperformedbytwo(2)people.Oneperson
shouldbeintheseattooperatethemachineandtheothershould
readandrecordtestresults.
CAUTION
Beforeopeningthehydraulicsystem,operateallhydrauliccontrols
torelievesystempressureandavoidinjuryfrompressurized
hydraulicoil.SeeRelievingHydraulicSystemPressure(page5–3).
WARNING
Keepbodyandhandsawayfrompinholeleaksornozzlesthateject
hydraulicuidunderhighpressure.Donotusehandstosearch
forleaks;usepaperorcardboard.Hydraulicuidescapingunder
pressurecanhavesufcientforcetopenetratetheskinandcause
seriousinjury.Ifuidisinjectedintotheskin,itmustbesurgically
removedwithinafewhoursbyadoctorfamiliarwiththistypeof
injury.Gangrenemayresultfromsuchaninjury.
HydraulicSystem:Testing
Page5–36
Groundsmaster
®
5900&5910
16227SLRevB