Hi Reinhart,
No, if your gauge reads normally, except it never reads below 1/4 of a tank,
then it's usually because the sender is the wrong way around. The float needs
to sit in the matching valley in the tank. The measuring point on the float is
the Centre on a vertical plane. If the bottom of the float sits on the flat
bottom of the tank, then the gauge can't ever read less than 1/4, even if the
tank is empty, because the Centre line of the float is 1/2 inch or so from the
bottom of the tank.
The bottom of the float needs to sit below the tank floor (I.e. In the valley)
in order for the Centre line of the float (on the vertical plane) to be level
with the bottom of tank, and read empty on the gauge.
Usually, if all else reads correctly, but it never reads below 1/4, it's
because the sender is around the wrong way, and the sender float isn't sitting
in the valley.
Can't help explain why yours reads empty when it's full, but full when it's
3/4.
Best
Chris
Sent from my iPhone
> On 8 Feb 2016, at 9:55 AM, Reinhart Rosner <reinhart.rosner@aon.at> wrote:
>
> Chris,
> In my BN1 the gauge reads empty when completely full. When it reads full, I
> know that the tank is 3/4 full. And when it reads 1/4 full, I know that itâ??s
> about getting empty. More or less I learned to live with that.
>
> As you tell us this only happens, because the sender is installed 180 deg.
> out?
>
> Is there any way to tell from above without having to open the sealing
> around the sender, if it is mounted in the wrong direction?
>
> Reinhart
>
>
>
> Reinhart Rosner
> 55 100 BN 1
> Vienna â?? Austria
>
> -----Ursprüngliche Nachricht-----
> Von: Healeys [mailto:healeys-bounces@autox.team.net] Im Auftrag von Chris
> Dimmock
> Gesendet: Sonntag, 07. Februar 2016 14:05
> An: Charlie Schott
> Cc: Steve B. Gerow; healeys@autox.team.net
> Betreff: Re: [Healeys] Gas Gauge
>
> Charlie,
> Your sender unit is installed 180 degrees out.
> Don't rely on the top of the sender unit for direction.
> The float needs to sit inside the tank 'valley'.
> I.e the float needs to face the front of the car, not the back.
> Try it.
> Best
> Chris
>
>
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