On Wed, Jan 1, 2014 at 3:14 PM, Ed <ate...@mwt.net> wrote:

>
> Don't know the ratings but they are ElectroCraft E723 motors that came
> on the machine OEM

an older DC motor might have a bad commutator bar.  Or brush problems.
 No torque in one direction but not the other sounds like something
mechanical if the electronics are sound.

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