Toro Greensmaster 3120 - Page 85

TractionCircuitTesting–ChargePressureTest(continued)
g230546
Figure26
TractionCircuitTesting–ChargePressureTest(machineswithbacklap)
Thechargepressuretestistherstinaseriesoftestsrecommendedto
determinetractioncircuitperformance.Achargepressuredropofmorethan
20%indicatesaninternalleakinthetractionpump.Continuedunitoperationcan
generateexcessiveheat,causedamagetosealsandothercomponentsinthe
hydraulicsystem,andaffectoverallmachineperformance.
SpecialEquipmentRequired:
•PressureGauge(accuratebelow300psi)withhoseandquickdisconnect
coupling
•FlowMeterwithPressureGaugethathasatleastan68LPM(18GPM)
capacity.
Greensmaster3120
Page4–39
HydraulicSystem:TestingtheHydraulicSystem
17230SLRevC