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MMD > Archives > February 2003 > 2003.02.12 > 16Prev  Next


Sparking of Ampico B Spool Drive Motor
By A. B. Bonds 

In addition to Craig Brougher's suggestion about the damping resistor,
one of the main reasons for B motor sparking is stuck brushes.  The
brush holders are made out of pot metal, which swells and cramps the
brush movement.  Make sure your brushes move freely.  A little
judicious needle-filing might be in order.  Brass replacement brush
holders are available.

A. B. Bonds

(Message sent Wed 12 Feb 2003, 15:03:19 GMT, from time zone GMT-0600.)

Key Words in Subject:  Ampico, B, Drive, Motor, Sparking, Spool
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