[TR] Tach needle (TR3)

[Don Hiscock]

You've read through the troubleshooting tips on the old "SMITHS The
Care of Instruments" pamphlet on the Vintage British Cables site, yes?
 I've found that a useful publication.

http://vintagebritishcables.com/The-Care-of-SMITHS-Instruments.php


On 5/3/15, Andrew Uprichard <auprichard at uprichard.net> wrote:
> I have just put 100 miles on my newly-restored '57 small-mouth and am
> working through the usual "teething" problems:  leaks, oil pressure
> adjustment, electrical glitches, etc.  One thing I cannot work out is that
> the needle on the tach swings about quite a bit:  it's ok at steady rpm,
> but
> gear changes cause marked fluctuations.
>
>
>
> I had the gauge rebuilt by Nisonger and I have a new cable.  Any thoughts
> why this should be so?
>
> Andrew
>
>