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Re: [Healeys] SU Pump Conversion

To: healeys@autox.team.net
Subject: Re: [Healeys] SU Pump Conversion
From: Oudesluys <coudesluijs@chello.nl>
Date: Sat, 09 Aug 2014 23:31:31 +0200
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <AF3B4A31B7FC4D448E6E18C80E0742CC@WINDOWST93OFP9>
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0
The pump could be fitted with a diode as well when it has points, so 
look out. If a diode is fitted you can usually see where the pos side 
is, where a band is painted is usually positive. To have a look inside 
remove the tape and take of the cap to see if it is electronic or has 
points. Also check on the internet with a Lucas manual, e.g. John Sims site.

If the radio is on positive ground now it probably has dual polarity and 
can be switched over. Radio's like Blaupunkt, Grundig, ITT-Schaub 
Lorentz, Philips can be easily switched over internally by repositioning 
a few plugs, turning over a special switch just under the frame from the 
outside through a small window, or, if very old, by resoldering a few 
wires. Japanese and many other radio's usually have a plug on the rear 
or side that can be repositioned. Any radio can be converted by a proper 
old fashioned radio technician though.

Kees Oudesluijs
NL


Roger Grace schreef op 9-8-2014 23:01:
> I wonder if any the more experienced 3000 owners could give me some help ..
>
> I am preparing for a +ve to -ve ground conversion and have considered the
> following issues that need to be addressed before proceeding; 1967 BJ8 that
> have recently acquired.
>
> radio (will disconnect)
> tacho. (will upgrade with polarity change)
> electronic ignition (change Pertronix to -ve ground)
> fuel pump ( ??? )
>
> The SU fuel pump is a problem; the previous owner says that he has changed it
> but not sure what to.
> So my query is if there is a simple way to tell if it is electronic (+ve
> ground) with potential damage if polarity is reversed, or is it a contact type
> that would be immune to this change. Reluctant to pull it just to check. See
> pix. No ID numbers evident.
>
> Any other comments appreciated.
>
> rg
>
> [demime 1.01d removed an attachment of type image/jpeg which had a name of SU 
> pump.jpg]
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