Toro Greensmaster TriFlex 3400 - Page 202

Pass
Theoutputcurrenttestpassed.GotoStep4.
Fail
Theoutputcurrenttestdidnotpass.Repairorreplacethefaultywiringtopin2.GotoReturningthe
MachinetoService(page21)andfollowthestepslisted.
Step4:TesttheStartRelay.
g256780
Figure124
Thestartrelayislocatedundertherightsidecover.Itisa5-terminalrelaywitha12-voltcoil.
1.Disconnectthewireharnessconnectorfromtherelay.
2.Removetherelayfromthemountingpanel.
3.Checktherelayandtheharnessconnectorfordamageorcorrosionandcleanorrepairasnecessary.
4.Usingamultimeter,verifythatcoilresistancebetweenterminals85and86isfrom71to88ohms.
5.Verifyinniteresistance(nocontinuity)existsbetweenterminals30and87.
6.Connectmultimeter(ohmssetting)leadstorelayterminals30and87.Groundterminal86andapply
+12Vtoterminal85.Therelayshouldmakeandbreakcontinuitybetweenterminals30and87as
voltageisappliedandremovedfromterminal85.
7.Connectmultimeter(ohmssetting)leadstorelayterminals30and87A.Apply+12Vtoterminal85.The
relayshouldmakeandbreakcontinuitybetweenterminals30and87Aas+12Visappliedandremoved
fromterminal85.
Pass
Thestartrelaytestedgood.GotoStep5.
Fail
Thestartrelaydidnottestgood.Replacethestartrelay.GotoReturningtheMachinetoService
(page21)andfollowthestepslisted.
Step5:Testtheharnesswiringfromthekeyswitch.
TestforcontinuityfromthekeyswitchtotheprimaryTECcontroller.
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