Toro Greensmaster TriFlex 3400 - Page 170

Step3:Testthe3main7.5amppowerfuses.
g318788
Figure95
1.Raisetheoperator’sseat.
2.Locatefuseblock1ontheleftsideofthechassis.SeeFigure95.
3.The3fusesontherightsideoftheblockinslots2,3,and4mustbetested.
4.FollowtheFuseT estingprocedureasdescribedintheElectricalSystemQuickChecksinChapter6of
theGreensmasterTriFlex3320/3420ServiceManual.MakesurethekeyswitchisintheOFFposition,
andthekeyisremovedfromtheswitch.Removethefusesfromthefuseblockfortesting.Eachfuse
shouldhavecontinuitybetweenfuseterminals.
Pass
Thefusesalltestedgood.GotoStep4.
Fail
Atleastonefusedidnottestgood.Replacethebadfuse(s).GotoReturningtheMachinetoService
(page21)andfollowthestepslisted.
Step4:Testthemainpowerrelay.
1.RefertotheElectricalSystemQuickCheckssectionoftheGreensmasterTriFlex3320/3420Service
Manual,Chapter6.
2.T estthefunctionofthemainpowerrelayinaccordancewiththeservicemanualprocedure.
Pass
Themainpowerrelaypassedthefunctiontest.GotoStep5.
Fail
Themainpowerrelaydidnotpassthefunctiontest.Replacethemainpowerrelay.GotoReturning
theMachinetoService(page21)andfollowthestepslisted.
Step5:Testforcontinuityinthemainpowerrelaywiring.
1.UnplugtheP01connectorfromtheTECcontroller.
2.Locateinputpinintheconnectorplug.
3.UnplugtheP20connectorfromthemainpowerrelay.
4.Locatepin4intheconnectorplug.
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