[gammanoles] SB2 Leak - further details...

[S. L. Tabor]

Glad you are getting to the bottom of it.

On 04/27/2018 02:30 PM, Powell Barber wrote:
> All -
>
> SB2 had a large leak in the capsule.  Upon removing the electronics, I was able to identify the leak in what initially appeared to be some kind of vacuum port.  I had not seen this type of device on any previous detectors.  With curiosity and care, I was able to disassemble the port.  Turned out to be a spring loaded pressure relief valve.
>
> The exterior components of the valve are heavily corroded.  My guess is that this corrosion existed prior to the detectors last warm up, that the valve was opened to relieve pressure, and that corrosion prevented the valve from sealing thereafter.
>
> The o-ring and the sealing surface look good and I’m hopeful that after cleanup and reassembly it will seal.
>
> cheers,
>
> p.
>
>
>
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