Service Manual

Chapter5
HydraulicSystem
TableofContents
GeneralInformation..............................................................................................................................5–2
Transmission/HydraulicPumpServiceandRepairManuals..............................................................5–2
DriveTrainOperation.........................................................................................................................5–3
HydraulicSystemComponents..........................................................................................................5–7
HydraulicHoses...............................................................................................................................5–11
InstallingtheHydraulicHosesandTubes........................................................................................5–12
InstallingtheHydraulicFittings........................................................................................................5–14
HydraulicSchematic(GreensPro1260)..............................................................................................5–17
HydraulicFlowDiagrams.....................................................................................................................5–18
GreensPro 1260 Traction Circuit...................................................................................................... 5–18
TestingtheHydraulicSystem............... ....... .... ....... ....... ....... ....... ....... ...................... ....... ....... ....... ......5–20
TestingtheTractionCircuit–HydraulicPumpChargePressureT est(GreensPro
1260)................................................................................................................................................5–22
TestingtheTractionCircuit–HydraulicPumpFlowandReliefPressureTest(GreensPro
1260)................................................................................................................................................5–25
Adjustments........................................................................................................................................5–29
AdjustingtheControlPedalReturntoNeutralMechanism...............................................................5–29
ServiceandRepairs...........................................................................................................................5–35
GeneralPrecautionsforRemovingandInstallingtheHydraulicSystemComponents......................5–35
CheckingtheHydraulicLinesandHoses.........................................................................................5–37
FlushingtheHydraulicSystem.........................................................................................................5–38
FilteringtheClosed-LoopTractionCircuit(GreensPro1260)...........................................................5–39
PrimingtheHydraulicPump.............................................................................................................5–41
ChargingtheHydraulicSystem........................................................................................................5–42
HydraulicTanks................................................................................................................................5–43
Transmission(GreensPro1240)......................................................................................................5–44
ServicingtheTransmission(GreensPro1240).................................................................................5–49
HydraulicPump(GreensPro1260)..................................................................................................5–51
ServicingtheHydraulicPump(GreensPro1260).............................................................................5–54
HydraulicMotor(GreensPro1260)..................................................................................................5–55
ServicingtheHydraulicMotor(GreensPro1260).............................................................................5–58
AdditionalReferenceMaterials
HYDRO−GEARBDRSERVICEANDREPAIRMANUAL
HYDRO−GEARPSERIESHYDROSTATICPUMPSSERVICEANDREPAIRMANUAL
PARKERTORQMOTORSERVICEPROCEDURE
GreensPro
™
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