Toro Spray Master Series - Troubleshooting; The Charging System

Troubleshooting
Important:Ensurethattheoperatorsafetymechanismsforthemachineareconnectedandinproper
operatingconditionbeforeyouusethemachine.
Whenaproblemoccurs,donotoverlookthesimplecauses.Forexample,startingproblemscouldbecaused
byanemptyfueltank.
Thefollowingtablelistssomeofthecommoncausesoftrouble.Donotattempttoserviceorreplacemajor
engineitemsoranyitemsthatcallforspecialtimingofadjustmentsprocedures(suchasvalves,governor,etc.).
Havethisworkdonebyyourengineservicedealer.
Note:Whendisconnectingelectricalconnectors,donotpullonthewirestoseparatetheconnectors.
TheChargingSystem
20AmpRegulatedAlternator
TheregulatedalternatorsystemprovidesACcurrentthroughtwooutputleadstotheregulator-rectier(Figure
105).Theregulator-rectierconvertstheACcurrenttoDC,andregulatescurrenttothebattery.Thecharging
ratewillvarywithengineRPMandtemperature.
Note:Stator,regulator/rectier,andy-wheelarenotinterchangeablewithotherchargingsystems.
g314090
Figure105
1.Statorassembly5.2yellowACinputleads
2.2yellowleads(fromstator)6.Regulator/rectier
3.RedDCoutputlead(fromtheconnector)7.RedDCoutputlead(totheconnector)
4.Connector
TestingtheAlternator
Important:Whencheckingthealternatorcomponents,preformthetestsinthefollowingsequence:
1.TestingAlternatorOutput(page78)
2.TestingtheDCOutputChargingWire(page79)
3.TestingtheRegulator/Rectier(page79)
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