Subject: Re: [Healeys] Electrics

From: john harper <[email-masked]>
Date: Sun, 27 Nov 2022 10:20:10 +0000

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Mike

Sometimes a new dynamo needs remagnetizing. It relies on residual
magnetism to start giving out electrical power, All it needs is to
disconnect the field connection ( F  Smaller connection) and with a jumper,
lead connect 12 v from the battery to the F terminal. Just about 5 seconds
is sufficient. Reconnect the original connection and see if the red light
has gone out

On Sun, 27 Nov 2022 at 01:47, Mike Sinclair <[email-masked]> wrote:

> Need some enlightenment.  Awhile back, the car (BJ8) was running fine, but
> I noticed the little red light that says the battery isn't being charged
> was on.  (I do keep the battery on a Battery Minder" when not in use.)
> Chased the system down, and discovered the generator was putting out zero
> volts.  Adjusted the fan belt, no change.  On closer inspection, the rotor
> was damaged (a bar was actually missing).  Had the unit rebuilt, and it is
> working fine, but still had the little red light wouldn't go out.  Checked
> all the connections, continuity, voltage regulator, couldn't find any thing
> out of the ordinary.  Finally, upon closer inspection of the regulator with
> a mirror, found the contacts on one of the coils were welded together, and
> the leaf spring holding that contact was completely severed.  According to
> the manual, this is the "cutoff coil".  New regulator solved the problem.
>
> Now the questions.
>
> 1. What could cause the rotor to be damaged?
>
> 2. What could cause the points to weld together?
>
> 3. Which likely failed first?  Did one cause the other?
>
> 4. I'm guessing the points stuck together first, and caused the leaf
> spring to break, so first the points were always "closed", and then always
> "open".
>
> 5. Would any of this cause damage to anything else, e.g., the battery?
>
> Again, everything seems normal, now.  Battery holds charge well.
>
> Mike
> _______________________________________________
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<div dir=3D"ltr">Mike<div><br></div><div>Sometimes a new dynamo needs remag=
netizing. It relies=C2=A0on residual magnetism=C2=A0to start giving out ele=
ctrical=C2=A0power, All it needs is to disconnect=C2=A0the field connection=
 ( F=C2=A0 Smaller connection) and with a jumper, lead connect 12 v from th=
e battery to the F terminal. Just about 5 seconds is sufficient. Reconnect =
the original connection and see if the red light has gone out</div></div><b=
r><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, =
27 Nov 2022 at 01:47, Mike Sinclair &lt;<a href=3D"mailto:phoenix722@comcas=
t.net">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"=
gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(20=
4,204,204);padding-left:1ex">
 =20

   =20
 =20
  <div bgcolor=3D"#ffffff">
    <p><font face=3D"Tahoma">Need some enlightenment.=C2=A0 Awhile back, th=
e
        car (BJ8) was running fine, but I noticed the little red light
        that says the battery isn&#39;t being charged was on.=C2=A0 (I do k=
eep
        the battery on a Battery Minder&quot; when not in use.)=C2=A0 Chase=
d the
        system down, and discovered the generator was putting out zero
        volts.=C2=A0 Adjusted the fan belt, no change.=C2=A0 On closer insp=
ection,
        the rotor was damaged (a bar was actually missing).=C2=A0 Had the
        unit rebuilt, and it is working fine, but still had the little
        red light wouldn&#39;t go out.=C2=A0 Checked all the connections,
        continuity, voltage regulator, couldn&#39;t find any thing out of
        the ordinary.=C2=A0 Finally, upon closer inspection of the regulato=
r
        with a mirror, found the contacts on one of the coils were
        welded together, and the leaf spring holding that contact was
        completely severed.=C2=A0 According to the manual, this is the
        &quot;cutoff coil&quot;.=C2=A0 New regulator solved the problem.</f=
ont></p>
    <p><font face=3D"Tahoma">Now the questions.</font></p>
    <p><font face=3D"Tahoma">1. What could cause the rotor to be damaged?</=
font></p>
    <p><font face=3D"Tahoma">2. What could cause the points to weld
        together?</font></p>
    <p><font face=3D"Tahoma">3. Which likely failed first?=C2=A0 Did one ca=
use
        the other?<br>
      </font></p>
    <p><font face=3D"Tahoma">4. I&#39;m guessing the points stuck together
        first, and caused the leaf spring to break, so first the points
        were always &quot;closed&quot;, and then always &quot;open&quot;.</=
font></p>
    <p><font face=3D"Tahoma">5. Would any of this cause damage to anything
        else, e.g., the battery?</font></p>
    <p><font face=3D"Tahoma">Again, everything seems normal, now.=C2=A0 Bat=
tery
        holds charge well.<br>
      </font></p>
    <p><font face=3D"Tahoma">Mike</font><br>
    </p>
  </div>

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From: josef-eckert--- via Healeys <[email-masked]>
Date: Sun, 27 Nov 2022 16:13:51 +0100 (CET)

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Hello Mike,
I presume the points sticked together, causing the generater to produce a=
=20
high output voltage at the generastor D-Terminal, which resulted in an=20
extremely high current which welded the points together. The generator got=
=20
extremely hot (had to gave much more power than it was designed for) and=20
the bar broke out.
Simple, but that=C2=B4s to my opinion what happened.
=20
Josef Eckert
Germany
=20
=20
=20
-----Original-Nachricht-----
Betreff: [Healeys] Electrics
Datum: 2022-11-27T02:52:14+0100
Von: "Mike Sinclair" <[email-masked]>
An: "Healey List" <[email-masked]>
=20
=20
=20
Need some enlightenment.  Awhile back, the car (BJ8) was running fine, but=
=20
I noticed the little red light that says the battery isn't being charged=20
was on.  (I do keep the battery on a Battery Minder" when not in use.) =20
Chased the system down, and discovered the generator was putting out zero=
=20
volts.  Adjusted the fan belt, no change.  On closer inspection, the rotor=
=20
was damaged (a bar was actually missing).  Had the unit rebuilt, and it is=
=20
working fine, but still had the little red light wouldn't go out.  Checked=
=20
all the connections, continuity, voltage regulator, couldn't find any thing=
=20
out of the ordinary.  Finally, upon closer inspection of the regulator with=
=20
a mirror, found the contacts on one of the coils were welded together, and=
=20
the leaf spring holding that contact was completely severed.  According to=
=20
the manual, this is the "cutoff coil".  New regulator solved the problem.
Now the questions.
1. What could cause the rotor to be damaged?
2. What could cause the points to weld together?
3. Which likely failed first?  Did one cause the other?
4. I'm guessing the points stuck together first, and caused the leaf spring=
=20
to break, so first the points were always "closed", and then always "open".
5. Would any of this cause damage to anything else, e.g., the battery?
Again, everything seems normal, now.  Battery holds charge well.
Mike
=EF=BB=BF
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; charset=
=3DUTF-8"/><title></title></head><body><p style=3D"margin: 0px;"><span styl=
e=3D"font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;te=
xt-decoration:none">Hello Mike,<br /></span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">I presume the point=
s sticked together, causing the generater to produce a high output voltage =
at the generastor D-Terminal, which resulted in an extremely high current w=
hich welded the points together. The generator got extremely hot (had to ga=
ve much more power than it was designed for) and the bar broke out.</span><=
/p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">Simple, but that&ac=
ute;s to my opinion what happened.</span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">Josef Eckert</span>=
</p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">Germany</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family:arial,helvetica,sans-s=
erif;font-size:10pt;color:#000000;text-decoration:none">&nbsp;</span></p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">-----Original-Nachricht-----</p>
<p style=3D"margin: 0px;">Betreff: [Healeys] Electrics</p>
<p style=3D"margin: 0px;">Datum: 2022-11-27T02:52:14+0100</p>
<p style=3D"margin: 0px;">Von: "Mike Sinclair" &lt;[email-masked]&g=
t;</p>
<p style=3D"margin: 0px;">An: "Healey List" &lt;[email-masked]&gt;<=
/p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<p style=3D"margin: 0px;">&nbsp;</p>
<div>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">Need some en=
lightenment.&nbsp; Awhile back, the car (BJ8) was running fine, but I notic=
ed the little red light that says the battery isn't being charged was on.&n=
bsp; (I do keep the battery on a Battery Minder" when not in use.)&nbsp; Ch=
ased the system down, and discovered the generator was putting out zero vol=
ts.&nbsp; Adjusted the fan belt, no change.&nbsp; On closer inspection, the=
 rotor was damaged (a bar was actually missing).&nbsp; Had the unit rebuilt=
, and it is working fine, but still had the little red light wouldn't go ou=
t.&nbsp; Checked all the connections, continuity, voltage regulator, couldn=
't find any thing out of the ordinary.&nbsp; Finally, upon closer inspectio=
n of the regulator with a mirror, found the contacts on one of the coils we=
re welded together, and the leaf spring holding that contact was completely=
 severed.&nbsp; According to the manual, this is the "cutoff coil".&nbsp; N=
ew regulator solved the problem.</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">Now the ques=
tions.</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">1. What coul=
d cause the rotor to be damaged?</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">2. What coul=
d cause the points to weld together?</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">3. Which lik=
ely failed first?&nbsp; Did one cause the other?<br /></span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">4. I'm guess=
ing the points stuck together first, and caused the leaf spring to break, s=
o first the points were always "closed", and then always "open".</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">5. Would any=
 of this cause damage to anything else, e.g., the battery?</span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">Again, every=
thing seems normal, now.&nbsp; Battery holds charge well.<br /></span></p>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">Mike</span><=
/p>
</div>=EF=BB=BF</body></html>
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[email-masked]

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From: Bob Spidell <[email-masked]>
Date: Sun, 27 Nov 2022 11:57:42 -0800

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This is a reasonable, perhaps the /only/ explanation, but it's possible 
the rotor damage was coincidental; I think a 'thrown bar' would have 
made a lot of racket.

On 11/27/2022 7:13 AM, josef-eckert--- via Healeys wrote:
>
> Hello Mike,
>
> I presume the points sticked together, causing the generater to 
> produce a high output voltage at the generastor D-Terminal, which 
> resulted in an extremely high current which welded the points 
> together. The generator got extremely hot (had to gave much more power 
> than it was designed for) and the bar broke out.
>
> Simple, but that´s to my opinion what happened.
>
> Josef Eckert
>
> Germany
>
> Need some enlightenment.  Awhile back, the car (BJ8) was running fine, 
> but I noticed the little red light that says the battery isn't being 
> charged was on.  (I do keep the battery on a Battery Minder" when not 
> in use.)  Chased the system down, and discovered the generator was 
> putting out zero volts.  Adjusted the fan belt, no change.  On closer 
> inspection, the rotor was damaged (a bar was actually missing).  Had 
> the unit rebuilt, and it is working fine, but still had the little red 
> light wouldn't go out.  Checked all the connections, continuity, 
> voltage regulator, couldn't find any thing out of the ordinary.  
> Finally, upon closer inspection of the regulator with a mirror, found 
> the contacts on one of the coils were welded together, and the leaf 
> spring holding that contact was completely severed. According to the 
> manual, this is the "cutoff coil".  New regulator solved the problem.
>
> Now the questions.
>
> spring to break, so first the points were always "closed", and then 
> always "open".
>

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<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    This is a reasonable, perhaps the <i>only</i> explanation, but it's
    possible the rotor damage was coincidental; I think a 'thrown bar'
    would have made a lot of racket.<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 11/27/2022 7:13 AM, josef-eckert---
      via Healeys wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:[email-masked]">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title></title>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Hello
          Mike,<br>
        </span></p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">I
          presume the points sticked together, causing the generater to
          produce a high output voltage at the generastor D-Terminal,
          which resulted in an extremely high current which welded the
          points together. The generator got extremely hot (had to gave
          much more power than it was designed for) and the bar broke
          out.</span></p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Simple,
          but that´s to my opinion what happened.</span></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Josef
          Eckert</span></p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none">Germany</span></p>
      <p style="margin: 0px;"><span
style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;text-decoration:none"> </span></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;">-----Original-Nachricht-----</p>
      <p style="margin: 0px;">Betreff: [Healeys] Electrics</p>
      <p style="margin: 0px;">Datum: 2022-11-27T02:52:14+0100</p>
      <p style="margin: 0px;">Von: "Mike Sinclair"
        <a class="moz-txt-link-rfc2396E" href="mailto:[email-masked]">&lt;[email-masked]&gt;</a></p>
      <p style="margin: 0px;">An: "Healey List"
        <a class="moz-txt-link-rfc2396E" href="mailto:[email-masked]">&lt;[email-masked]&gt;</a></p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <p style="margin: 0px;"> </p>
      <div>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">Need
            some enlightenment.  Awhile back, the car (BJ8) was running
            fine, but I noticed the little red light that says the
            battery isn't being charged was on.  (I do keep the battery
            on a Battery Minder" when not in use.)  Chased the system
            down, and discovered the generator was putting out zero
            volts.  Adjusted the fan belt, no change.  On closer
            inspection, the rotor was damaged (a bar was actually
            missing).  Had the unit rebuilt, and it is working fine, but
            still had the little red light wouldn't go out.  Checked all
            the connections, continuity, voltage regulator, couldn't
            find any thing out of the ordinary.  Finally, upon closer
            inspection of the regulator with a mirror, found the
            contacts on one of the coils were welded together, and the
            leaf spring holding that contact was completely severed. 
            According to the manual, this is the "cutoff coil".  New
            regulator solved the problem.</span></p>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">Now
            the questions.</span></p>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">1.
            What could cause the rotor to be damaged?</span></p>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">2.
            What could cause the points to weld together?</span></p>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">3.
            Which likely failed first?  Did one cause the other?<br>
          </span></p>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">4.
            I'm guessing the points stuck together first, and caused the
            leaf spring to break, so first the points were always
            "closed", and then always "open".</span></p>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">5.
            Would any of this cause damage to anything else, e.g., the
            battery?</span></p>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">Again,
            everything seems normal, now.  Battery holds charge well.<br>
          </span></p>
        <p style="margin: 0px;"><span style="font-family: Tahoma;">Mike</span></p>
      </div>
      
      <br>
    </blockquote>
    <br>
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