
TableofContents
Preface................................................................................................................5
Chapter1:Safety............................................................................................1–1
SafetyInstructions.......................................................................................1–2
SafetyandInstructionalDecals....................................................................1–9
Chapter2:SpecicationsandMaintenance....................................................2–1
Specications...............................................................................................2–2
TorqueSpecications...................................................................................2–8
ShopSupplies............................................................................................2–14
SpecialT ools..............................................................................................2–16
Chapter3:Troubleshooting.............................................................................3–1
GEARS–TheSystematicApproachtoDening,DiagnosingandSolving
Problems......................................................................................................3–2
GeneralHydraulicSystemProblems............................................................3–3
TractionCircuitProblems..............................................................................3–4
MowCircuitProblems...................................................................................3–5
SteeringCircuitProblems.............................................................................3–7
LiftCircuitProblems......................................................................................3–8
EngineCoolingFanCircuitProblems............................................................3–9
OperatorAdvisories....................................................................................3–10
MachineFaultCodes..................................................................................3–12
StartingProblems.......................................................................................3–27
GeneralRunandTransportProblems.........................................................3–28
CuttingDeckOperatingProblems...............................................................3–29
CuttingDeckLift/LowerProblems...............................................................3–30
AftercutAppearance...................................................................................3–32
Chapter4:YanmarDieselEngine....................................................................4–1
GeneralInformation.....................................................................................4–2
ServiceandRepairs.....................................................................................4–9
Chapter5:HydraulicSystem...........................................................................5–1
GeneralInformation.....................................................................................5–3
HydraulicSchematic...................................................................................5–12
HydraulicFlowDiagrams............................................................................5–14
Testing........................................................................................................5–43
Adjustments...............................................................................................5–86
ServiceandRepairs...................................................................................5–87
Chapter6:ElectricalSystem...........................................................................6–1
GeneralInformation.....................................................................................6–2
Adjustments................................................................................................6–19
ElectricalSystemQuickChecks..................................................................6–23
ComponentT esting.....................................................................................6–25
ServiceandRepairs...................................................................................6–69
Chapter7:Axles,PlanetariesandBrakes.......................................................7–1
GeneralInformation.....................................................................................7–2
Adjustments..................................................................................................7–3
ServiceandRepairs.....................................................................................7–4
Chapter8:Chassis..........................................................................................8–1
GeneralInformation.....................................................................................8–2
ServiceandRepairs.....................................................................................8–3
Chapter9:CuttingDecks................................................................................9–1
GeneralInformation.....................................................................................9–2
Adjustments.................................................................................................9–3
ServiceandRepairs.....................................................................................9–4
AppendixA......................................................................................................A–1
ElectricalDrawingDesignations....................................................................A–2
HydraulicSchematic-Groundsmaster4500-D.............................................A–3
HydraulicSchematic-Groundsmaster4700-D.............................................A–4
Groundsmaster®4500-D/4700-DPage7Preface
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