TableofContents
Preface................................................................................................................5
Chapter1:Safety............................................................................................1–1
SafetyInstructions.......................................................................................1–2
SafetyandInstructionalDecals....................................................................1–8
Chapter2:SpecicationsandMaintenance....................................................2–1
Specications...............................................................................................2–2
TorqueSpecications...................................................................................2–7
ShopSupplies............................................................................................2–13
SpecialT ools..............................................................................................2–15
Chapter3:Troubleshooting.............................................................................3–1
GEARS–TheSystematicApproachtoDening,DiagnosingandSolving
Problems......................................................................................................3–2
GeneralHydraulicSystemProblems............................................................3–3
TractionCircuitProblems..............................................................................3–4
PTOProblems..............................................................................................3–6
Lift/LowerCircuitProblems...........................................................................3–7
SteeringCircuitProblems.............................................................................3–8
StartingProblems.........................................................................................3–9
GeneralRunandTransportProblems.........................................................3–11
CuttingDeck(PTO)OperatingProblems....................................................3–12
CuttingDeckLift/LowerProblems...............................................................3–14
OperatorAdvisories....................................................................................3–16
UsingtheInfoCenterDisplayforTroubleshooting.......................................3–21
MachineFaults...........................................................................................3–23
EngineFaults..............................................................................................3–27
FactorsThatCanAffectQualityofCutandClippingDispersion...................3–29
Chapter4:YanmarDieselEngine....................................................................4–1
GeneralInformation.....................................................................................4–2
ServiceandRepairs...................................................................................4–11
Chapter5:HydraulicSystem...........................................................................5–1
GeneralInformation.....................................................................................5–3
HydraulicSchematic...................................................................................5–12
HydraulicFlowDiagrams............................................................................5–13
Testing........................................................................................................5–36
Adjustments...............................................................................................5–72
ServiceandRepairs...................................................................................5–73
Chapter6:ElectricalSystem...........................................................................6–1
GeneralInformation.....................................................................................6–3
ElectricalSystemOperation..........................................................................6–7
InfoCenterDisplay........................................................................................6–9
Adjustments................................................................................................6–46
ComponentT esting.....................................................................................6–53
ServiceandRepairs.................................................................................6–138
Chapter7:Chassis..........................................................................................7–1
GeneralInformation.....................................................................................7–2
ServiceandRepairs.....................................................................................7–3
Chapter8:CuttingDecks................................................................................8–1
GeneralInformation.....................................................................................8–2
ServiceandRepairs.....................................................................................8–3
Chapter9:OperatorCab................................................................................9–1
GeneralInformation.....................................................................................9–2
ServiceandRepairs.....................................................................................9–4
AppendixA......................................................................................................A–1
ElectricalDrawingDesignations....................................................................A–3
HydraulicSchematic....................................................................................A–5
ElectricalSchematic(machineserialnumbersbelow316000200)................A–6
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