Toro 74492 - Hourmeter

•1-PTOSwitch
•2-OperatorPresenceSwitch,SafetyInterlockSwitches
•3-StartingCircuit
•4-Regulator,ChargingCircuit
•5-BatteryVoltageIn
g336416
Figure83
Key/IgnitionSwitchTest
1.Removethecontrolpanelfromtherightconsole.
2.Disconnecttheignitionswitchfromthewireharness.
3.Usingadigitalmulti-metersettotheOHMorContinuitysetting,verifythat
continuityexistsbetweentheterminalslistedforeachswitchposition.
4.Usingadigitalmulti-metersettotheOHMorContinuitysetting,verifythat
NOcontinuityexistsbetweentheterminalsnotlistedforeachswitchposition.
Position
Circuit“Make”
OFF
None
RUNB+R+I+A
STARTB+R+I+S
Hourmeter
ThehourmeterrecordshoursofoperationwhentheignitionkeyisONandthe
PTOswitchisON.
HourmeterTest
WiththeignitionswitchintheRUNpositionandthePTOswitchclosed(ON),
verifybatteryvoltageandgroundtothehourmeter.
Electrical:ServiceandRepairs
Page8–6
2000SeriesZMASTER®ServiceManual
3438-778RevA