Toro Greensmaster 3120 - Testing the Hydraulic System

TestingtheHydraulicSystem
Themosteffectiveproceduretoisolatetheproblemsinthehydraulicsystemis
tousehydraulictestequipment,suchaspressuregaugesandowmetersin
thecircuitsduringdifferentoperationalchecks;refertoTestingtheHydraulic
System(page4–35).
WARNING
Openingthehydraulicsystemwithoutreleasingpressurefromthe
systemwillcausethehydraulicuidtoescape,causingpossible
injury.
Beforeyoudisconnectthehydrauliccomponentsorworkonthe
hydraulicsystem,releasethepressureinthesystem;referto
RelievingPressurefromtheHydraulicSystem(page4–4).
WARNING
Hydraulicuidescapingunderpressurecanpenetrateskinand
causeinjury.
•Keepyourbodyandhandsawayfrompin-holeleaksornozzles
thatejecthydraulicuidunderhighpressure.
•Donotuseyourhandstosearchforleaks;useapieceofpaper
orcardboard.
•Hydraulicuidescapingunderpressurecanhavesufcientforce
topenetratetheskinandcauseseriousinjury.
•Ifhydraulicuidisinjectedintoyourskin,theuiddamageto
yourbodymustbesurgicallyremovedwithinafewhoursbya
doctorfamiliarwiththisformofinjuryorgangrenemayresult.
CAUTION
Failingtousegaugeshavingtherecommendedpressure(kPa/psi)
ratingcoulddamagethegaugeandcausepersonalinjuryfrom
contactwithhot,leakinghydraulicuid.
Usegaugeswiththerecommendedpressureratingaslistedinthe
testprocedures.
IMPORTANT
Beforeperformingahydraulictest,checktheuidsupply,the
ltercondition,controllinkageoperationandadjustment,loose
fasteners,ormechanicalandelectricalissuesbeforeyouassume
thatahydrauliccomponentisthesourceoftheproblem.
Greensmaster3120
Page4–35
HydraulicSystem:TestingtheHydraulicSystem
17230SLRevC