Toro Greensmaster TriFlex 3400 - Page 103

Step3:Checktheengineoil.
Verifythattheproperamountofoilisintheengine.RefertoCheckingtheEngineOilintheEngineMaintenance
sectionoftheGreensmaster3420TriFlexTractionUnitOperator’sManual.
Aftercheckingtheengineoillevel,operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Fail
Thefaultrepeated.GotoStep4.
Step4:Testthe50A12Vmaxifuse.
1.Removetherightsidecovernexttotheoperatorseat.
2.Locatethe50Amaxifuse.
3.Removethefuseandtestit.
Pass
Thefusetestedgood.InstallthefuseandgotoStep5.
Fail
Thefusedidnottestgood.Replacethefuse.GotoReturningtheMachinetoService(page21)
andfollowthestepslisted.
Step5:Testthefanrelay.
Note:ThefanrelayusedonGreensmaster3420machinesprovideselectricalcurrenttotheenginecoolingfan
whenenergizedbytheTECcontroller.Thefanrelayisenergizedwhenenginecoolanttemperaturereaches
approximately185°F(85°C).
Totestthefanrelay,refertotheGreensmasterTriFlex3320/3420ServiceManualChapter6,intheMain
Power,ElectricCuttingReelsEnable,ChargeCircuit(Greensmaster3320),Glow(Greensmaster3420)and
Fan(Greensmaster3420)Relayssection.
Pass
Therelaytestedgood.InstalltherelayandgotoStep6.
Fail
Therelaydidnottestgood.Replacetherelay.GotoReturningtheMachinetoService(page21)
andfollowthestepslisted.
Step6:Testthewiringfromtherelaytotheelectricfanmotor.
Useamultimetertotesttheresistancebetweenthefollowingpairsoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1MainP164
Red(R)
2MainP40A
Red(R)
Lessthan
2ohms
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