[V8] Alternater Brushes

[Ron Wainwright]

I just replaced a bad VR & the top brush was worn a
"slight" bit more than the lower brush.
 I think Mike's talking about unormal weir on one &
the other looked all msot new.

 Ron

--- "Stafford, Kenneth A." <stafford at WPI.EDU> wrote:

> So, I have had these symptoms occur twice on my 200K
> '91.  Once at about 110K
> then at about 180K.  Brush wear was the problem both
> times--one brush (can't
> remember which) was always worn significantly more
> than the other despite my
> meticulous slip-ring polishing and brush alignment. 
> I just went to a repair
> shop and they gave me some brushes for free that I
> soldered in.  If a brush
> is worn so badly that the lights start coming on,
> you are likely to have
> created some arcing on the slip rings, need to clean
> then up before putting
> in a new VR with new brushes.  Good luck.
> 
> Ken 
>  
> > Got the dreaded brake/ABS/batt dash lights and new
> the alt was going. 
> > Keeping the engine on rev (about 80 MPH) kept the
> idiot 
> > lights only flickering. Made it most of the way
> home.  Pulled 
> > the voltage reg and one of the brishes was worn
> past spec and 
> > the other looked almost new but best guess was is
> was 
> > original.  Sure smacked of VR to me so I got a new
> one and no 
> > output at all from the alt. Is there any way to
> test the VR?  
> > Infortunately the only one in towv was Chinese in
> origin so 
> > it is suspect but how can I bee sure alt or VR?
> > thx
> > Mike
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