Toro Groundsmaster 3320-D Service Manual

TestingtheTractionCircuit–ChargePressure(MachineSerial
Numbersabove316000000)
g224775
Figure67
TestProcedure
Thechargepressuretestistherstinaseriesoftestsrecommendedto
determinetractioncircuitperformance.Achargepressuredropofmorethan
20%indicatesaninternalleakinthehydraulicpump.Continuedunitoperation
cangenerateexcessiveheat,causedamagetosealsandothercomponentsin
thehydraulicsystem,andaffectoverallmachineperformance.
SpecialEquipmentRequired:Pressuregauge
1.Warmoilaftertestequipmentisconnectedtopreventtechnicianfrom
workingonahotmachine—applicabletotestswhenpossible(anytestthat
requiresanopenun-pluged/cappedline(casedraintests)wouldnotapply
andoilshouldbewarmedbeforedisconnectingthelines).
CAUTION
Beforeopeningthehydraulicsystem,operateallthehydraulic
controlstoreleasesystempressureandavoidinjuryfromthe
pressurizedhydraulicuid;refertoReleasingPressurefromthe
HydraulicSystem(page5–6).
2.ParkthemachineonalevelsurfacewiththePTOswitchoff,lowerthecutting
deck,shutofftheengine,andsettheparkingbrake.
Groundsmaster
®
3280-D/3320
Page5–59
HydraulicSystem:TestingtheHydraulicSystem
05138SLRevB

Toro Groundsmaster 3320-D Specifications

General

Brand	Toro
Model	Groundsmaster 3320-D
Category	Lawn Mower
Language	English