Re: (ET) E-20 rebuild report

["Christopher Meier" <mr23 mn rr com>]

> >  It's also possible I don't
> > know the sound of a good motor. What do they sound like when running?
>
> Hard to describe, until you've heard worn bearings and good ones.
>
> It's easier to gauge the bearing condition by feel.  Unplug the deck and
> turn the mower blade by hand.  It should feel smooth, not rough, as it
> turns.  Give it a spin; it should coast a bit, and should also cause the
> other blades to spin up a little, since the motor is acting as a
> generator.  There should be very little noise at that speed.  If you hear
> a metallic sound, the bearings are definitely going.

Another way to check the deck motors; spin each blade by hand,
while watching the relative speed of the other two.  On my deck,
one of the electrically drive motors spun more slowly than the others.
That motor turned out to have a bad bearing.

While you are at it, check for bent shafts.