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RE: (ET) E20 lacking power (Markus Lorch)
Title: Message
oh
this is a misunderstanding, the E15 motor that I put in has no vibrations. What
remains
the
same even after I replaced the motors is the low performance /
high current draw. I think
a
problem with less than full field voltage that was suggested sounds like a very
possible
cause.
I'll investigate tonight (after I fixed the crown moulding in the
kitchen).
On the
E20 motor I took out I found worn down brushes and a bad bearing. I replaced
both
and
hoped it would solve the problem. Unfortunately the vibrations still remain. The
next
possible cause was a slightly sloppy bearing support but I fixed that too
with no improvments
on the
vibration side. So now I am down to having the armature rebalanced. I am not
sure if
I want
to do this (right now) as it will be a substantial cost (prob. around $100) and
I may be
able
to find another motor for that or little more - in time (anybody has
one for sale?)
Btw, I
am preparing another post with pictures soon that will give the
details on the brushes etc -
but in
short REPCO turned out to be a good resource,
however I have learned that Harold now
also
has the brushes for these motors readily available. Also it seems
that the E20 and
E15
motors use the same brushes.
Markus
Hi
The fact that
there is the same vibrate even when the motor is swapped is curious. I am
think mechanical not electrical. It is just a though but have you checked
the transmission. At least made sure it runs freely and replace the oil.