Thanks, Pat. Exactly the comprehensive diagnostics I sought!
Happy Thanksgiving to you and your fellow helpful list members.
- Bob Mann
"Patrick J. Horne" wrote:
>
> Oops, I didn't read your mail correctly. Try grounding the guage lead at the
>tank. If it goes to
> full and stays there, the problemwill be either the sender in the tank, a bad
>ground at the tank,
> or a bad electrical connection at the tank.
>
> If the guage behaves the same with the tank wire grounded, I would look at
>the connections on the
> back of the guage. Ground the tank connection and see if things change. If
>you get a full reading,
> then I would clean the tank wire electrical connections and make sure that
>they are tight. If that
> doesn't do it, try cleaning and tightning the power connection. If all else
>fails, I expect the
> guage to be defective. I don't recall any contacts inside the guage that
>could be dirty, but it
> wouldn't hurt a defective guage to open it up and take a look. As I recall
>the guage is just a
> small heating element wrapped around a bi-metal strip that is connected to
>the needle. Heating the
> bi-metal strip makes it bend, pushing/pulling the needle. If my
>recollections are correct, the
> only way that the guage could be the problem is if there is a connection that
>breaks the connection
> when the strip bends.
>
> Good luck.
>
> Peace,
> Pat
>
> --
> - Support Habitat for Humanity, A "hand up", not a "hand out" -
> Pat Horne, Network Manager, Shop Supervisor, Hardware Guru
> CS Dept, University of Texas, Austin, Tx. 78712 USA
> voice (512)471-9517, fax (512)471-8885, UUCP:cs.utexas.edu!horne
--
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