Mark,
You could try Lawrie Rhoads:
http://www.british-car-part-restoration.com/index.html
I've attached a copy of the Lucas Workshop Instructions for the horns. All
I've
done so far is take a couple apart, so can't help much as far as making them
work...
Bob
Mark and Kathy wrote:
> I managed to get the "cheese head" screws out of my Bt7 horns
> and am attempting to get some sound out of the first one.
>
> I have my ammeter in line with a switch and my car battery per Norm Nocks
> manual information. This is all sitting on my bench so connections are good
> etc. etc.
>
> The interior of the horn is clean for 46 years of being closed up. So I
> just brushed a little bit of debris away and GENTLY ran some fine paper
> between the points to clean them up and cleaned the surface of the electro
> magnet up with some fine scotch brite. I don't see a whole lot more to do in
> that area. All the solder joints look ok.
>
> I put all the covers back on with the old screws for now, connected
> everything to the battery and started to tweak the adjusting screw a little at
> a time. I tweaked the screw out and all the way in.
> Not a toot, tweet or a honk. NOTHING. And no movement on the ammeter.
>
> Where is a good initial starting point for the adjusting screw?
>
> Can anything else be done to the points, magnet, etc. ?
>
> There is a nut and stud going through the horn face plate that I have not
> touched yet. Is this any type of an adjuster or should I leave that along?
>
> Sorry to be so annul about these horns. I hate to just pitch them unless
> there's no hope left.
>
> Mark
[demime 1.01d removed an attachment of type application/pdf which had a name of
lwi_horns.pdf]
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