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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" <phoenix722@comcast.net>
An: "Healey List" <healeys@autox.team.net>
=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;"> </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"> </span></p>
<p style=3D"margin: 0px;"> </p>
<p style=3D"margin: 0px;"> </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" <phoenix722@comcast.net&g=
t;</p>
<p style=3D"margin: 0px;">An: "Healey List" <healeys@autox.team.net><=
/p>
<p style=3D"margin: 0px;"> </p>
<p style=3D"margin: 0px;"> </p>
<p style=3D"margin: 0px;"> </p>
<div>
<p style=3D"margin: 0px;"><span style=3D"font-family: Tahoma;">Need some en=
lightenment. 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.) Ch=
ased the system down, and discovered the generator was putting out zero vol=
ts. 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 ou=
t. Checked all the connections, continuity, voltage regulator, couldn=
't find any thing out of the ordinary. 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. According to the manual, this is the "cutoff coil". 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? 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. 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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