Leo 'Lancia' Schildkamp writes: "I would like to ask a question the international community of classic car afficionado's. Amongst all these people, might there be anyone who has a brochure or a manual of a Nivex tank level meter to share on these pages? Or maybe someone who can explain to me how this works and what I'm missing? What I do know: the pump has a valve with two exits. One of them is connected to the meter and the other one goes to the fueltank. And that's where my problem starts."
Editor: Correct Leo, that's where the problem starts. What you're missing is the vacuum mebrane discussed here a few years ago. A good explanation of the Nivex system is to be found here at CarCrank.org. Still we hope for Leo (and also for ourselves, as we have the same set-up in our Amilcar) to find a manual or detailed tech description. 'Le Nivex' is also seen on Alfa Romeo, Bugatti, Delage, Hispano Suiza and more.
An update by Christoph Röhrs: I have recently purchased an installation instruction together with a description of the function in Italy, and unfortunately also in the Italian language. It covers a fuel gauge NIVEX "Stabilex" Tipo "S" of 1932. The pictures(picture 1 and picture 2) show a significantly different, simpler fuel sender unit, which is also very reminiscent of the Hobson or King-Seeley configuration. At the same time I received a similar sheet of a corresponding oil level indicator, the existence of which was new to me.
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