Question about Coleman Powermate Proforce 2500 Generator

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My generator runs fine but it wont make electricity I have tried the braker switch I have tried to clean all the connections It just doent make any power I dont know what eles to try

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These alternators need a slightly magetized armature in order to start. If you accidentally put AC into where it is supposed to come out, you would erase the magnetic field in the armature. You have to get to the excitor winding where you will find a bridged rectifier and apply voltage in that polarity to bring back the residual magnetism. Or if you feel lucky, you can just apply 12v from a battery into the outlet for a second with the engine off. It will magetize the armature, but might be backwards. Shut off engine and try your luck again. Maybe reverse polarity of the battery, and start engine again and check it. Keep trying, till it comes on when you start it. If this never works, you could have a problem with worn brushes.

Posted on Sep 09, 2010


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