Hi pudd750, et al. Marv here.
The device is called a "growler".
Marv


--- In Loopframe_Guzzi@yahoogroups.com, pudd750 <mcmillen1@...> wrote:
>
> not to mention the armature may be slightly shorted at the commutator
i
> think a device called a hummer is used to check this --no, the hummer
checks
> something else concerning the armature - internal magnetic
discontinuities
> within the core maybe - the commutator strips are sometimes slightly
> shorted --- refreshing the recessed spaces between the commutator
strips id
> a good/ bad thing- a little harder on brushes, better voltage
available
>
> On 7/25/08, Greg Bender greg@... wrote:
> >
> > Hi raj,
> >
> > Sure, if it is running right, clean it up and go!!! I do vaguely
> > remember Winter, it wasn't that long ago I owned my own snowblower
up
> > in Minnesota :>
> >
> > Once you do pull it this winter, though, have the replacement
bearings
> > on hand. You can clean up the commutator, check the brushes, replace
> > the bearings, and even re-wrap the field coils in glass tape if you
> > want too. The generator isn't very difficult to service. By far the
> > most challenging part is to remove the screws that secure the field
> > coils in place. Those can be a bugger (rather, *always are* a
bugger).
> > I think it was Rich Arimoto who gave me the advice to use a drag
link
> > socket on a 1/2" breaker bar; using a drill press to place adequate
> > downward pressure on the breaker bar (I can give you more details
and
> > perhaps a photo if you need it). It probably isn't necessary to
> > re-wrap the field coils (evaluate the condition when you see them).
> > But I find it quite satisfying to know that I've been through the
> > generator top to bottom.
> >
> > Regards,
> >
> > Greg Bender
> >
> >
> >
>