[Esr-users] [New Logentry] Back to 80K

[burkert]

Denny, great work and late at night!
Volker

On 7/2/19 9:50 PM, dinsley at jlab.org wrote:
>
>
>   Back to 80K <https://logbooks.jlab.org/entry/3698191>
>
>   * Edit
>     <https://logbooks.jlab.org/entry/3698191/edit?destination=email/send>
>   * Delete
>     <https://logbooks.jlab.org/entry/3698191/delete?destination=email/send>
>
> Lognumber 3698191 <https://logbooks.jlab.org/entry/3698191>. Submitted 
> by dinsley <https://logbooks.jlab.org/user/dinsley> on Tue, 07/02/2019 
> - 21:48 
> <https://logbooks.jlab.org/entries?start_date=1562114921&end_date=1562122121&book=HBSOLENOID&book=HBTORUS>. 
>
>
> Logbooks: 	HBSOLENOID <https://logbooks.jlab.org/book/hbsolenoid> 
> HBTORUS <https://logbooks.jlab.org/book/hbtorus>
> Entry Makers: 	dinsley
>
> Our cooldown interlocks had tripped, courtesy of the site wide power 
> outage, and cooling back down had to wait until everything else was 
> recovered so I started this morning.
> This was quite the challenge as it appeared there were a number of 
> secondary problems. The buffer dewars return valve, EV8210BP, failed 
> to function. After some lengthy and painstaking troubleshooting, what 
> was first thought to be an IOC issue turned out to be a damaged 
> connector. Once this was fixed we continued to have problems with high 
> return pressures to ESR. More troubleshooting led us to failed 
> pneumatic valves at ESR, again due to the power outage. Thanks to the 
> help of Chris Perry and company this was remedied fairly quickly. A 
> long day but the Solenoid and Torus are back at 80K park.
>
>
> This body part will be downloaded on demand.


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