Service Manual

Table Of Contents
TestProcedure(continued)
9.Increaseenginespeedtohighidlespeed(3,000rpm).UseInfoCenter
Displayorphototactoverifythatenginespeediscorrect.
Note:Thegearpumpisapositivedisplacementtype.Ifpumpowis
completelyrestrictedorshutoff,damagetothepump,tester,orother
componentscouldoccur.
10.Whilewatchingtesterpressuregauge,slowlyclosethetesterowcontrol
valveuntil5,500kPa(800psi)isobtainedongauge.Ensurethattheengine
speedremainsat3,000rpm.
Note:Ifenginespeedisnot3,000rpmduringthistest,pumpowwillbe
differentthanlistedGPM/LPM.
11.Identifygearpump(P3)owontester:
Flowtesterreadingtobe:Apump(P3)ingoodconditionshouldhaveaow
ofapproximately17.4L/minute(4.6gallons/minute)at5,500kPa(800psi).
12.Openthetesterowcontrolvalve,shutofftheengine,andrecordtestresults.
13.Ifowislessthan20L/minute(4gallons/minute)orapressureof5,500
kPa(800psi)cannotbeobtained,considerthatagearpumpproblemexists.
Checkforrestrictioninpumpintakeline.Ifpumpintakeisnotrestricted,
removegearpumpandrepairorreplacepumpasnecessary;referto
HydraulicPumpAssembly(page6–163)andServicingtheGearPump(page
6–169).
Note:Iftheowfromgearpump(P3)islow,theoperationofboththecharge
circuitandthesteeringcircuitwillbeaffected.
14..Aftertestingiscompleted,ensurethattheengineisshutoff,thenrelieve
hydraulicsystempressure;refertoReleasingPressurefromtheHydraulic
System(page6–8).Removehydraulictesterfromhydraulictubeandpump
tting.Installoillterassemblyandthenconnectremovedhydraulictube
tooillterandpistonpumptting.
15.Lowerandsecureoperatorseat.
Reelmaster
®
5410/5510/5610Series
Page6–67
HydraulicSystem:TestingtheHydraulicSystem
15216SLRevE