[TR] Temp. guages - further question

Geo Hahn ahwahneetr at gmail.com
Tue Feb 24 17:55:36 MST 2015

I would think you could cut the old tube near the bulb and use some air
pressure & submersion to find the leak (unless it was the bulb itself).  In
any case, the cut and splice would be very near the gauge so that is the
area you would want to assure was sound.

On Tue, Feb 24, 2015 at 4:39 PM, Jerry Van Vlack <jerryvv at roadrunner.com>

> How does one find where the leak occurred in the first place. The article
> implies that the bulb end is where the leak occurred so replace the bulb
> and
> all's well. What if the leak is somewhere along the line? Any idea how to
> find the leak spot?
> -----Original Message----- From: greg at gelhar.com
> Sent: Tuesday, February 24, 2015 3:19 PM
> To: Geo Hahn
> Cc: Triumphs
> Subject: Re: [TR] Temp. guages - further question
> I used those instructions when I did that repair. I would suggest testing
> the old gauge with air pressure to confirm proper operation. 100 PSI
> should show full hot while watching for smooth operation of the needle.
> The capillary tube is very small. To keep solder from wicking into it,
> after it has been cleaned, I draw a line around the cut ends of the tubing
> with a number 2 pencil. The solder does not flow past where the pencil
> line is.
> Greg G.
> Osseo, MN
>  A technique for effecting a repair using the cap tube & bulb from a new
>> aftermarket gauge is described here:
>> http://www.ply33.com/Repair/tempgauge
>> I have never done this but wouldn't hesitate to try if the need ever arose
>> (not a lot to lose and much to gain).
>> Geo
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