Toro Reelmaster 3100-D - Page 129

ReelCircuitTesting−GearPump(P1)FlowTest(continued)
g345071
Figure55
1.Gearpump(P1)2.Tomanifoldport(P1)
3.Disconnectthehoseconnectiononthegearpump(P1)leadingtoport(P1)
onthemowcontrolmanifold(Figure55).
4.Installthetesterinserieswithreeldrivepumpandthedisconnectedhose
leadingtoport(P1)ofthehydraulicmanifold.
5.Makesurethattheowcontrolvalveonthetesterisfullyopen.
6.Makesurebacklapknobonthehydraulicmanifoldisinthemowposition
andreelspeedissettomaximum.
7.Sitintheoperator’sseatandstarttheengine.Movethethrottletofullspeed
(2650±50RPM).
8.Makesurehydraulicuidisatnormaloperatingtemperaturebyoperatingthe
machineforapproximately10minutes.
9.Verifywithaphototachthatthepumpspeedisapproximately3100RPM.
10.VerifypumpowatNoLoadasfollows:
Recordtesterpressureandowreadingatnoload.Unrestrictedpump
outputshouldbeapproximately23.8LPM(6.3GPM).
11.VerifypumpowUnderLoadasfollows:
CAUTION
Donotclosetestervalvefullywhenperformingthistest.Inthistest,
thehydraulictesterispositionedbeforethemanifoldreliefvalve.
Pumpdamagecanoccuriftheuidowisfullyrestrictedbyfully
closingthetesterowcontrolvalve.
A.Watchowmeterpressuregaugecarefullywhileslowlyclosingtheow
controlvalveuntil137.9Bar(2000PSI)isobtainedongauge.
B.Recordthetesterpressureandowreadingsunderload.
12.Setthrottletolowspeedandshutoffengine.
Reelmaster
®
3100-D/3105-D
Page5–53
HydraulicSystem:Testing
20252SLRevA