Toro Greensmaster TriFlex 3400 - Connecting and Disconnecting the 48 V Power

PassThewiringinspectioncheckpassed.
•Leavethe2cuttingreelmotorcableconnectorsunpluggedfromthee-reelsharnessconnectors
P19andP20.
•Leavethe48Vpowerdisconnectedfromthecuttingunitsfromthesystem.Thisprevents
unexpectedoperationofcuttingunits.RefertoConnectingandDisconnectingthe48VPower
totheCuttingReelMotors(page18).
•GotoStep8.
Fail
Oneormoreoftheinspectionchecksfailed.Repairorreplacethewornordamagedparts.Goto
ReturningtheMachinetoService(page21)andfollowthestepslisted.
Step8:Measure48VpowerinmainharnessconnectorsP19andP20.
Note:ConnectordiagramsareavailableinStep7.
1.Verifythattheengineisshutoff.
2.VerifythatmainharnessconnectorsP19andP20aredisconnectedfromthecuttingreelmotorcable
connectors.
3.RotatethekeyswitchtotheONposition.
4.Measurethevoltagebetweenpins1and2ofconnectorP19.Thereadingshouldbe48V.
5.MeasurethevoltagebetweenP19pin1andP20pin2.Thereadingshouldbe48V.
6.RotatethekeyswitchtotheOFFposition.
Pass
Thevoltagereadingsweregood.GotoStep10.
Fail
Thevoltagereadingswerenotgood.GotoStep9.
Step9:Testthewiringforpowerandgroundinmainharness
connectorsP19andP20.
ThesearediagnosticstepstohelpisolateproblemsidentiedinStep8.
1.Disconnect48Vpowerfromthecuttingunitsbyseparatingthecuttingunitpowerconnectors.This
preventsunexpectedoperationofcuttingunits.RefertoConnectingandDisconnectingthe48VPower
totheCuttingReelMotors(page18).
2.Locatethee-reelsharnessconnectorP09nearthereartireofthemachine.
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