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AF Wide Gauge motor problem

K KalOGR Forum Member

Hello,

I have an American Flyer Wide Gauge 4695 locomotive that has had the motor replaced with one from a wide gauge electric. The motor runs roughly even after a thorough cleaning. It fluctuates in speed and makes a noise that sounds like grinding or rubbing even though I've removed the gears and wheels from the motor and lightly oiled both ends of the armature shaft. Does anyone have any suggestions?

Last edited by Kal
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K KalOGR Forum Member
@John A in N.C. posted:

Check to see that the wheels are not rubbing on the motor frame, also that there’s nothing between the field and armature like a washer or trash/dirt. Hope you figure it out.

John

I have the wheels and idler gear off, and it still makes the noise. The armature spins easily when rotated by hand and is not rubbing against anything. Something that may be important to know is that the field winding gets warm and the commutator segments get extremely hot when power is applied.

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