[Healeys] Fwd: Battery Not Charging Part 3

[ab7vf at zworg.com]

"" <ab7vf at zworg.com> wrote: 
> 
> Steven <stevesylvia2 at comcast.net> wrote: 
> > 
> > Hello Gents,
> > 
> > Well so far I'm surprised at the lack of responses to my dilemma. Has no 
> > one ever experienced this or something similar (see full history 
> > below)?  I was thinking that possibly if the field wire is grounding out 
> > inside the yoke of the generator, that might cause the generator to 
> > continue to send electricity to the battery.  The mechanics manual 
> > states to do an ohms check and it shouldn't be "much" below 6 ohms.  The 
> > resistance in my test leads is 1 ohm and the resistance on the generator 
> > is 5 ohms (one lead on the field terminal and one on a ground).  So that 
> > gives me a resistance of 4 ohms.  Is 2 ohms "much" below the recommended 
> > 6 ohms?  The manual states that if the ohms are "much" below 6 ohms that 
> > the insulation around the field coils has broken down.  Does anyone know 
> > if I'm on the right track?  Please help a brother out.....
> > 
> > Thanks in advance,
> > Steve Meyer
> > 61 3000 BN7
> 
> Hello all
> 
>   I'll try ... Not knowing the relative precision of your ohm meter .. 4
> ohms does not sound unreasonable .. Grounded field winding inside the
> generator will not cause generator to charge.  Current through the field
> winding provides the magnetic field required to 'generate' charging 
> 
>  If the field winding is shorted to one of the brush leads the generator
> could become self-excited and generate its own field current ... If you
> have an ammeter connect it between the field winding on the generator
> and the regulator .. If not connect a test lamp (tail-light bulb will
> do) between the regulator and the generator field winding  then observe 
>  ..Lamp lights, current is flowing from regulator to generator field
> winding (or possibly from the generator to the regulator) .. You'd need
> to put a diode in series with the light to determine direction of
> current flow .. 


In any event .. try the test bulb/ammeter from the field winding and
report back

 One step at a time

Jim
> 
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