Toro reelmaster 5410 series - Page 247

TestProcedure(continued)
8.Starttheengineandrunitatlow-idlespeed.Checkforhydraulic-uidleaks
fromthetestconnectionsandcorrectbeforecontinuingthetest.
9.Withtheenginerunning,presstheenginespeedswitchtofullspeed(3,005
to3,055rpm)position.Donotengagethecuttingunits.UsetheInfoCenter
tocheckthattheenginespeediscorrect.
10.VerifythepumpowatNoLoadasfollows:
Recordthetesterpressureandowreadingsatnoload.Unrestrictedpump
outputshouldbeapproximately32L/minute(8.5gallons/minute).
11.VerifythepumpowUnderLoadasfollows:
CAUTION
Donotclosethetestervalvefullywhenperformingthistest.Inthis
test,thehydraulictesterispositionedbeforethemanifoldrelief
valve.
Pumpdamagecanoccuriftheuidowisfullyrestrictedbyfully
closingthetesterowcontrolvalve.
A.Monitorthetesterpressuregaugecarefullywhileyouslowlyclosethe
owcontrolvalveuntilyouget10,340kPa(1,500psi).
B.Recordthetesterpressureandowreadingsunderload.
12.Presstheenginespeedswitchtolowspeed(1,175to1,225rpm)position
andshutoffengine.
13.Theunderloadtestowreading(step11B)shouldnotdropmorethan15%
whencomparedtothenoloadtestowreading(step10A).Adifferencein
owofmorethan15%,ortheinabilitytoachievespeciedpressuremay
indicate:
A.Arestrictioninthepumpinletline.
B.Thegearpumpbeingtestediswornandshouldberepairedorreplaced;
refertoServicingtheGearPump(page6–170).
14.Releasepressurefromthehydraulicsystem;refertoReleasingPressure
fromtheHydraulicSystem(page6–8).
15.Disconnectthetesterfromthemachineandconnectthehydraulichoseto
thegearpumptting.
16.Starttheengine,checkforhydraulic-uidleaks,repairanyleaksas
necessary,andllthehydraulictankwiththecorrectquantityofnewhydraulic
uidbeforereturningthemachinetoservice.
17.Lowerandsecuretheoperatorseat.
Reelmaster
®
5410/5510/5610Series
Page6–129
HydraulicSystem:TestingtheHydraulicSystem
15216SLRevC