TestingtheTractionCircuit–ChargePressure(5610-D)
g216152
Figure113
TestProcedure
Thechargepressuretestistherstinaseriesoftestsrecommendedto
determinetractioncircuitperformance.Achargepressuredropofmorethan
20%indicatesaninternalleakinthepistonpump/hydrostat.Continuedunit
operationcangenerateexcessiveheat,causedamagetosealsandother
componentsinthehydraulicsystem,andaffectoverallmachineperformance.
SpecialEquipmentRequired:Pressuregauge
1.Warmoilaftertestequipmentisconnectedtopreventtechnicianfrom
workingonahotmachine—applicabletotestswhenpossible(anytestthat
requiresanopenun-pluged/cappedline(casedraintests)wouldnotapply
andoilshouldbewarmedbeforedisconnectingthelines).
CAUTION
Beforeopeningthehydraulicsystem,operateallthehydraulic
controlstoreleasesystempressureandavoidinjuryfromthe
pressurizedhydraulicuid;refertoReleasingPressurefromthe
HydraulicSystem(page6–8).
2.Parkthemachineonalevelsurfacewiththereelengageswitchoff,lowerthe
cuttingunits,shutofftheengine,andsettheparkingbrake.
3.ReadallWarning,Cautions,andprecautionslistedatthebeginningofthis
section.
Reelmaster
®
5410/5510/5610Series
Page6–101
HydraulicSystem:TestingtheHydraulicSystem
15216SLRevC
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