On Thu, 03 Nov 2005 15:00:55 GMT, (sPoNiX) wrote:

| On Thu, 03 Nov 2005 14:37:08 +0000, Iain Mac Donald
| wrote:
|
| Recently our oldish KM600 Kenwood mixer started playing up. Strange
| noises and even stranger burning smell. Upon investigation discovered a
| lot of "carbon" dust distributed around the motor. Motor was sparking a
| lot around the area of the carbon brushes. When removing them there were
| white scorch marks on the leading edge of the carbon brushes. However,
| the brushes otherwise seem to be in good condition and are about 15mm in
| length.
|
| One thought is that the carbon brushes are mounted on another material
| and it is this material that is now deteriorating. Without seeing brand
| new brushes I can't be sure.
|
| It might, of course, be something entirely different causing the
| problem. Any ideas anyone?
|
| A short in one of the windings? Are any of the commutator segnemts
| discoloured?

Raised commentator segment, it happens sometimes.
Spin the com, **by hand** under your finger, that should detect it
--
Dave Fawthrop dave hyphenologist co uk
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