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Zenith Carburettor Float ~ it sinks!!!
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D4B



Joined: 28 Dec 2010
Posts: 2083
Location: Hampshire UK

PostPosted: Fri Sep 02, 2011 2:06 pm    Post subject: Zenith Carburettor Float ~ it sinks!!! Reply with quote

Hi all,

Some advice please if possible: The float in my Zenith Carb
(1961 Peugeot D4B van) just sinks and of course causes flooding..

On removal I can confirm that it is indeed full of petrol too...

The first photo demonstrates that it sinks, the second one was taken
after flicking / swiping to see where the petrol comes out of,
and it appears that there are many fine perforations / fine cracks
around the side of the float, you can just see petrol seeping out.

Is this repairable or should I just hunt for a new one?

Many Thanks
Steve.



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MVPeters



Joined: 28 Aug 2008
Posts: 822
Location: Northern MA, USA

PostPosted: Fri Sep 02, 2011 4:03 pm    Post subject: Reply with quote

This is from a very similar thread just a few days ago:

If the float is leaking you will hear petrol sloshing about inside. The trick is to remove the petrol AND locate the leak.
Submerge the float in hot water. That will expel the petrol and a string of petrol/air bubbles will locate the leak. Like a punctured inner tube. The leak can then be soldered up. Don't leave the float in the water once the petrol has gone or you may fill the float with water as it cools.
Check the float again in hot water to test the repair before re-fitting.
Needless to say, too much solder will upset the petrol level too.


This is essentially what you've started to do. Once the float is completely dry inside & out, it should be repairable by someone skilled with a small soldering iron. Note the caution about not adding too much solder which will add unwanted weight.
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Mike - MVPeters at comcast.net
2002 MINI Cooper 'S'
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Kelsham



Joined: 18 Jan 2009
Posts: 349
Location: Llandrindod Wells Powys

PostPosted: Fri Sep 02, 2011 4:11 pm    Post subject: Zenith float Reply with quote

Hi I had a simiiar problem with the float from my BSA three wheeler it was from a Solex carb.

I examined it and found that the brass had begun to crack vertically down the side of the float. It was doing this in several places.

I decided it was not easy to repair and obtained a secondhand replacement.

regards Kels.
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D4B



Joined: 28 Dec 2010
Posts: 2083
Location: Hampshire UK

PostPosted: Fri Sep 02, 2011 8:09 pm    Post subject: Reply with quote

Many thanks to MV Peters and Kelsham, now I know !! CHEERS Cool
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