Toro Groundsmaster 3320-D - Page 145

TestProcedure(continued)
12.Recordthereadingonthepressuregauge(underload).Thecharge
pressure(underload)shouldnotdropmorethan20%whencomparedto
chargepressure(withoutload)recordedinstep10.
Ifspecicationsarenotmet,performthehydraulicpumpowandtraction
reliefpressuretest;refertoTestingtheTractionCircuit–HydraulicPump
FlowandReliefPressure(MachineSerialNumbersabove316000000)
(page5–62).
13.Releasethetractionpedal,movethethrottletolowspeedposition,andshut
offtheengine.
14.Afteryoucompletethechargepressuretesting,ensurethattheengineis
notrunningandthenreleasehydraulicsystempressure;refertoReleasing
PressurefromtheHydraulicSystem(page5–6).Removetheteettingand
pressuregauge,installthehydraulictubetothetting.
15.Installtheseatplate,lowerandsecuretheoperatorseat.
16.Starttheengine,checkforhydraulic-uidleaks,repairanyleaksasrequired,
andllthehydraulicreservoir(frontaxle)withthecorrectquantityofnew
hydraulicuidbeforereturningthemachinetoservice.
Groundsmaster
®
3280-D/3320
Page5–61
HydraulicSystem:TestingtheHydraulicSystem
05138SLRevB