ID |
Date |
Author |
Operational Mode |
Subject |
Text |
|
64
|
Wed Oct 13 08:17:00 2004 |
Experimentor | Start Up | cycling 142 when temp hit 10.68 | I tried cycling the valve twice -- at about
11:30 and again around 1:00,
trying both the buttons and the dial -- but |
|
67
|
Sun Oct 17 04:26:29 2004 |
Other | Start Up | cycling 142 when temp hit 10.68 | > I tried cycling the valve twice -- at about
11:30 and again around 1:00,
> trying both the buttons and the dial -- |
|
68
|
Sun Oct 17 05:03:13 2004 |
Other | Start Up | Cycle valve after oscillations begin | (Sat night/Sun AM) Helium temperature started
oscillating, so
powered off magnet (precautionary) and cycled |
|
69
|
Wed Oct 20 09:38:17 2004 |
Doug Preddy | Start Up | restarting system | Solenoid tripped off Monday morning due to
high compressor pressure.
Regenerated purifier on Tuesday. Started |
|
70
|
Thu Oct 21 07:16:35 2004 |
Doug Preddy | Start Up | switched to parallel cold return | |
|
71
|
Thu Oct 21 15:41:29 2004 |
Doug Preddy | Start Up | switched to series mode | |
|
72
|
Fri Oct 22 09:15:06 2004 |
Doug Preddy | Start Up | started flow to power leads | Started flow to power leads HIC142 at 0.8.
|
|
94
|
Wed Jun 1 08:23:19 2005 |
Doug Preddy | Start Up | start up notes | The solenoid was pumped out Monday and yesterday
after the quads just
downstream of the solenoid were put back |
|
111
|
Wed Nov 2 10:17:27 2005 |
Willy Andersson | Start Up | M9B helium refrigerator and solenoid cooldown | Started M9B MYCOM helium compressor circulating
helium through system last
Friday. Right hand purifier was regenerated |
|
117
|
Tue May 23 08:44:28 2006 |
Doug Preddy | Start Up | Started turbines | Solenoid and cold box were pumped out last
Tuesday. Cold box roughing pump
initially would not start. had to retighten |
|
118
|
Thu May 25 07:34:18 2006 |
Doug Preddy | Start Up | switched to parallel cold return | switched to parallel cold return |
|
119
|
Fri May 26 07:29:54 2006 |
Doug Preddy | Start Up | CV155 closed | CV155 closed.
Temps about 15K |
|
120
|
Fri May 26 08:45:38 2006 |
Doug Preddy | Start Up | Changed to series mode | Changed to series mode.
Liquid level building. |
|
121
|
Fri May 26 10:03:03 2006 |
Doug Preddy | Start Up | Started flow to power leads | Started flow to power leads.
Liquid level 15% |
|
122
|
Fri May 26 14:34:24 2006 |
Doug Preddy | Start Up | Ready to run | Solenoid is cold, liquid level is 35%, power
leads cold and seem stable.
Added one bottle helium to buffer tank. Pressure |
|
162
|
Wed Oct 4 07:29:04 2006 |
Doug Preddy | Start Up | Starting cool down | Started compressor yesterday with flow through
the purifier overnight.
Starting tubines this morning in parallel |
|
163
|
Wed Oct 4 18:10:18 2006 |
Willy Andersson | Start Up | Quick check on system | System in good // warm return mode, temps
coming down nicely. BCP2 cryopump
does not look too healthy, temperature is |
|
164
|
Thu Oct 5 10:26:26 2006 |
Doug Preddy | Start Up | switched to parallel cold return | |
|
165
|
Thu Oct 5 11:51:53 2006 |
Doug Preddy | Start Up | Adde 2 bottles UHP Helium | Valved off purifiers, but left LN2 on. |
|
166
|
Thu Oct 5 14:53:54 2006 |
Doug Preddy | Start Up | Switched to series mode | |
|