From: Lynn Adams <[EMAIL PROTECTED]>
...
>for the
>previous 20 minutes (long level driving area). As I
was only about a
^^^^^^^^^^^^^^^^^^^^^
>mile
^^^^
Does wonders for cooking the motor.
>from home I gently drove the rest of the way home
hearing something
>sounding like scraping or sparking from the motor
when ever I'd put
more
>than 20 A or so into the motor. When I got home, the
motor was
extremely
>hot (about as hot as an exhaust manifold on a ICE).
After dark, I
ran the
>motor with no load and saw small sparks inside the
motor casing.
Inside the motor casing? All around? In front as
well?
>My questions:
>Is this a brush replacement call, I know the brushes
need replacing
>occasionally but is the the signal?
Might be a good idea to examine the brushes and
rigging. Although its
hard to see how a malfunctioning rigging could heat up
the whole motor
case, which has a very high heat capacity and heat
transfer coefficient.
If the brushes got that hot, the commutator is
probably toast, which
will necessitate a rebuild. I think that Bob has had
good luck with
a place which he will be able to recommend to you.
...
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