Service Manual

Table Of Contents
TestProcedure
1.Parkthemachineonalevelsurfacewiththereelengageswitchoff,lowerthe
cuttingunits,shutofftheengine,mowspeedlimiterisintheMOWposition,
andsettheparkingbrake.
CAUTION
Beforeopeningthehydraulicsystem,operateallthehydraulic
controlstoreleasesystempressureandavoidinjuryfromthe
pressurizedhydraulicuid;refertoReleasingPressurefromthe
HydraulicSystem(page6–8).
2.ReadallWarning,Cautions,andprecautionslistedatthebeginningofthis
section.
3.Liftandsupporttheoperatorseattogetaccesstothehydraulicpump.
g216316
Figure132
1.PumpP1outlethose2.PumpP2outlethose
3.Gearpumpassembly
4.Identifythesuspectpumpsectionthatistobetested(Figure132).
5.Cleanthejunctionofgearpumpttingandthehydraulicoutlethose,and
thendisconnectthehosefromthepumptting:
Pumpsection(P1)fortherearcuttingunits.
Pumpsection(P2)forthefrontcuttingunits.
IMPORTANT
Ensurethattheuidowindicatorarrowontheowgaugeis
showingthattheuidwillowfromthegearpump,throughthe
tester,andintothehose.Theengineneedstobestartedwiththe
testerconnected.Routethetesterhosessothatthetestercanbe
readwhileoperatorseatisfullyloweredandoccupied.
6.Installatesterwiththepressuregaugeandowmeterinseriesbetweenthe
disconnectedhoseandthegearpumptting.Ensurethattheowcontrol
valveonthetesterisfullyopen.
7.Ensurethatthehydraulicuidisatnormaloperatingtemperatureby
operatingthemachineforatleast10minutes.
HydraulicSystem:TestingtheHydraulicSystem
Page6–128
Reelmaster
®
5410/5510/5610Series
15216SLRevE