Toro Groundsmaster 360 - Page 122

TestProcedure(continued)
8.Starttheengineandrunitatlow-idlespeed(1,400rpm).Checkfor
hydraulic-uidleaksfromthetestconnectionsandcorrectbeforecontinuing
thetest.
9.Withtheenginerunning,presstheenginespeedswitchtofullspeed(3,000
rpm)position.
10.Monitorthetesterpressuregaugecarefullywhileyouslowlyclosetheow
controlvalveuntilyouget6,900kPa(1,000psi).Donotclosethetester
loadvalvefully.
11.Checkwithaphototacthattheenginespeedremains3,000rpmwhile
maintaining6,900kPa(1000psi)onthetesterpressuregauge.
12.Monitortheowgauge.Theowindicationforapumpingoodconditionis
19.7L/minute(5.2gallons/minute).
13.Openthetesterloadvalveandthenshutofftheengine.Recordthetest
results.
14.Alowerpumpowmayresultinreducedsteeringandlift/lowercircuit
performance.Ifthemeasuredowislessthan16.6L/minute(4.4
gallons/minute)orapressureof6,900kPa(1,000psi)cannotbeobtained,
checkforrestrictioninthepumpinletline.Iftheinletlineisnotrestricted,
removethegearpumpandrepairorreplaceasnecessary.
Note:Theimplementreliefvalvepressurecanalsobetestedwitha
hydraulictester(pressureandow)inserieswiththegearpumpttingand
disconnectedhose.Usethepressuregaugesonthehydraulictesterand
followTestingtheImplementReliefPressure(UsingPressureGauge)(page
4–59).
15.Releasepressurefromthehydraulicsystem;refertoReleasingPressure
fromtheHydraulicSystem(page4–5).
16.Disconnectthetesterfromthedeckliftmanifoldttingandhydraulichose,
andconnectthehosetothecontrolvalvetting.
HydraulicSystem:TestingtheHydraulicSystem
Page4–64
Groundsmaster360
16225SLRevC