g033200
Figure123
1.48Vbatterydisconnect4.Main48Vdccontactor
2.250A/58Vfuse
5.Maincontactposts
3.Contactorcoilposts
Pass
Themaincontactortestedgood.GotoStep3.
Fail
Themaincontactordidnottestgood.Replacethemaincontactor.RefertoChapter5ofthe5010-H
ServiceManual.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
Step3:Testthecontrolwiringforthecontactorcoil.
1.Useamultimetertotesttheresistancebetweenthefollowingpairsoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1MainJ251Brown
2MainP372Brown
Lessthan
2ohms
212