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Re: [Healeys] Polarity

from [Kees Oudesluijs] [Permanent Link][Original]
To: healeys@autox.team.net
Subject: Re: [Healeys] Polarity
From: Kees Oudesluijs <coudesluijs@chello.nl>
Date: Sat, 7 Mar 2020 15:00:40 +0100
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <004a01d5f428$856e5f90$904b1eb0$.ref@verizon.net> <004a01d5f428$856e5f90$904b1eb0$@verizon.net> <019501d5f433$44371e30$cca55a90$@rr.com> <188c59bd-1744-e129-9367-5e355be092aa@chello.nl> <ecfbaf4c-a87b-5b09-f6c0-d244771143e9@porterscustom.com>
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The original pumps had a capacitor over the points which made them dual 
polarity. At a later stage SU changed the capacitor for a diode which 
made the pump polarity sensitive. If you remove the diode and fit a 
transil over the points the pump becomes dual polarity.

The very early pumps with the single points may not have had any 
capacitor or diode fitted, which would lead to spark erosion of the 
points. These were also dual polarity.

The later electronic/solid state versions are all polarity sensitive.

Kees Oudesluijs



Op 7-3-2020 om 14:49 schreef David P:
>
> SU fuel pumps are generally polarity sensitive...
>
>
> On 3/7/2020 1:18 AM, Kees Oudesluijs wrote:
>>
>> In addition to the article:
>>
>> -Change polarity to the radio if fitted. Some older radio's have a 
>> polarity switch.
>>
>> -Check if clock is polarity sensitive. Some older Smiths/Jaeger 
>> clocks are dual polarity. Later ones are polarity sentive.
>>
>> -Change over the wires from the Amp gauge.
>>
>>
>> Kees Oudesluijs
>>
>>
>>
>> Op 7-3-2020 om 04:48 schreef Max Byers:
>>>
>>> See attachment.
>>>
>>> Steve Byers
>>>
>>> HBJ8L/36666
>>>
>>> BJ8 Registry
>>>
>>> AHCA Delegate at Large
>>>
>>> Havelock, NC  USA
>>>
>>> *From:*Healeys [mailto:healeys-bounces@autox.team.net] *On Behalf Of 
>>> *ahbn6--- via Healeys
>>> *Sent:* Friday, March 6, 2020 9:32 PM
>>> *To:* Healey List
>>> *Subject:* [Healeys] Polarity
>>>
>>> *Is there any step by instructions on how to change to negative ground?*
>>>
>>> **
>>>
>>> *John Sims*
>>>
>>> *www.healey6.com <http://www.healey6.com/>*
>>>
>>> *Matawan, NJ*
>>>
>>>
>>> _______________________________________________
>>> Support Team.Nethttp://www.team.net/donate.html
>>> Suggested annual donation  $12.75
>>>
>>> Archive:http://www.team.net/pipermail/healeys  http://autox.team.net/archive
>>>
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>>>
>>> Unsubscribe/Manage:http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl
>>>
>>
>> _______________________________________________
>> Support Team.Nethttp://www.team.net/donate.html
>> Suggested annual donation  $12.75
>>
>> Archive:http://www.team.net/pipermail/healeys  http://autox.team.net/archive
>>
>> Healeys@autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>
>> Unsubscribe/Manage:http://autox.team.net/mailman/options/healeys/frogeye@porterscustom.com
>>
> -- 
> Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My 
> World go here:WWW.PORTERBIKES.COM/
>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
>
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive
>
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage: 
> http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl
>

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    <p>The original pumps had a capacitor over the points which made
      them dual polarity. At a later stage SU changed the capacitor for
      a diode which made the pump polarity sensitive. If you remove the
      diode and fit a transil over the points the pump becomes dual
      polarity.</p>
    <p>The very early pumps with the single points may not have had any
      capacitor or diode fitted, which would lead to spark erosion of
      the points. These were also dual polarity.<br>
    </p>
    <p>The later electronic/solid state versions are all polarity
      sensitive.</p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 7-3-2020 om 14:49 schreef David P:<br>
    </div>
    <blockquote type="cite"
      cite="mid:ecfbaf4c-a87b-5b09-f6c0-d244771143e9@porterscustom.com">
      <meta http-equiv="Content-Type" content="text/html;
        charset=windows-1252">
      <p>SU fuel pumps are generally polarity sensitive...</p>
      <p><br>
      </p>
      <div class="moz-cite-prefix">On 3/7/2020 1:18 AM, Kees Oudesluijs
        wrote:<br>
      </div>
      <blockquote type="cite"
        cite="mid:188c59bd-1744-e129-9367-5e355be092aa@chello.nl">
        <meta http-equiv="Content-Type" content="text/html;
          charset=windows-1252">
        <p>In addition to the article:</p>
        <p>-Change polarity to the radio if fitted. Some older radio's
          have a polarity switch.</p>
        <p>-Check if clock is polarity sensitive. Some older
          Smiths/Jaeger clocks are dual polarity. Later ones are
          polarity sentive.</p>
        <p>-Change over the wires from the Amp gauge.</p>
        <p><br>
        </p>
        <p>Kees Oudesluijs</p>
        <p><br>
        </p>
        <p><br>
        </p>
        <div class="moz-cite-prefix">Op 7-3-2020 om 04:48 schreef Max
          Byers:<br>
        </div>
        <blockquote type="cite"
          cite="mid:019501d5f433$44371e30$cca55a90$@rr.com">
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          <div class="Section1">
            <p class="MsoNormal"><span style="color:#1F497D">See
                attachment.<o:p></o:p></span></p>
            <p class="MsoNormal"><span 
style="color:#1F497D"><o:p> </o:p></span></p>
            <p class="MsoNormal"><span style="color:#1F497D">Steve 
Byers<o:p></o:p></span></p>
            <p class="MsoNormal"><span 
style="color:#1F497D">HBJ8L/36666<o:p></o:p></span></p>
            <p class="MsoNormal"><span style="color:#1F497D">BJ8
                Registry<o:p></o:p></span></p>
            <p class="MsoNormal"><span style="color:#1F497D">AHCA
                Delegate at Large<o:p></o:p></span></p>
            <p class="MsoNormal"><span style="color:#1F497D">Havelock,
                NC  USA<o:p></o:p></span></p>
            <p class="MsoNormal"><span 
style="color:#1F497D"><o:p> </o:p></span></p>
            <div>
              <div style="border:none;border-top:solid #B5C4DF
                1.0pt;padding:3.0pt 0in 0in 0in">
                <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">
                    Healeys [<a class="moz-txt-link-freetext"
                      href="mailto:healeys-bounces@autox.team.net";
                      
moz-do-not-send="true">mailto:healeys-bounces@autox.team.net</a>]
                    <b>On Behalf Of </b>ahbn6--- via Healeys<br>
                    <b>Sent:</b> Friday, March 6, 2020 9:32 PM<br>
                    <b>To:</b> Healey List<br>
                    <b>Subject:</b> [Healeys] Polarity<o:p></o:p></span></p>
              </div>
            </div>
            <p class="MsoNormal"><o:p> </o:p></p>
            <p class="MsoNormal"><b><span
                  style="font-size:12.0pt;font-family:&quot;Arial
                  Black&quot;,&quot;sans-serif&quot;">Is there any step
                  by instructions on how to change to negative 
ground?<o:p></o:p></span></b></p>
            <p class="MsoNormal"><b><span
                  style="font-size:12.0pt;font-family:&quot;Arial
                  
Black&quot;,&quot;sans-serif&quot;"><o:p> </o:p></span></b></p>
            <p class="MsoNormal"><b><span
                  style="font-size:12.0pt;font-family:&quot;Arial
                  Black&quot;,&quot;sans-serif&quot;">John 
Sims<o:p></o:p></span></b></p>
            <p class="MsoNormal"><b><span
                  style="font-size:12.0pt;font-family:&quot;Arial
                  Black&quot;,&quot;sans-serif&quot;"><a
                    href="http://www.healey6.com/";
                    
moz-do-not-send="true">www.healey6.com</a><o:p></o:p></span></b></p>
            <p class="MsoNormal"><b><span
                  style="font-size:12.0pt;font-family:&quot;Arial
                  Black&quot;,&quot;sans-serif&quot;">Matawan, 
NJ<o:p></o:p></span></b></p>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <br>
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          <pre class="moz-quote-pre" 
wrap="">_______________________________________________

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</pre>
      </blockquote>
      <pre class="moz-signature" cols="72">-- 
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World 
go here: <a class="moz-txt-link-abbreviated" href="http://WWW.PORTERBIKES.COM/"; 
moz-do-not-send="true">WWW.PORTERBIKES.COM/</a></pre>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" 
wrap="">_______________________________________________

Archive: <a class="moz-txt-link-freetext" 
href="http://www.team.net/pipermail/healeys";>http://www.team.net/pipermail/healeys</a>
 <a class="moz-txt-link-freetext" 
href="http://autox.team.net/archive";>http://autox.team.net/archive</a>

<a class="moz-txt-link-abbreviated" 
href="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a>
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href="http://autox.team.net/mailman/listinfo/healeys";>http://autox.team.net/mailman/listinfo/healeys</a>


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