ID |
Date |
Author |
Operational Mode |
Subject |
Text |
|
226
|
Fri Oct 5 13:25:41 2007 |
Doug Preddy | Quench Recovery | funny graph | There was a fluctuation of the positive lead
temp with no flow going to
the power leads. |
|
225
|
Fri Oct 5 10:25:43 2007 |
Doug Preddy | Quench Recovery | Unknown quench 2 | Kevin and I were at the Sulzer panel when
the system quenched 2. No
obvious reasons. Restarted the system. |
|
224
|
Tue Oct 2 13:02:37 2007 |
Doug Preddy | Normal Running | PLC problems | While downloading new code for 2A PLC the
M9 and M15 vacuum systems were
shut off. This is due to the two systems |
|
223
|
Thu Sep 27 07:41:15 2007 |
Doug Preddy | Start Up | Solenoid cold | Solenoid cold and in series mode. 50% liquid
level. Starting flow to
powerleads. |
|
222
|
Wed Sep 26 08:52:46 2007 |
Doug Preddy | Start Up | switched to parallel cold return | |
|
221
|
Tue Sep 25 07:34:04 2007 |
Doug Preddy | Start Up | PIC229 to 11 bar | adjusted turbine speeds and HIC104 to maintain
their values. |
|
220
|
Mon Sep 24 15:08:41 2007 |
Doug Preddy | Start Up | Started cool down this morning | The vacuum in the cold box was good on Friday
0.0 X 10-4. Let it pump over
the weekend. Added two bottles of UHP helium |
|
219
|
Wed Sep 19 20:53:18 2007 |
Doug Preddy | Maintenance | More diff pump news | Cold box pumped out to ~ 190 mTorr overnight.Leak
checked the pump again.
Still leaks at dip stick.Tried resetting |
|
218
|
Tue Sep 18 18:48:11 2007 |
Curtis Ballard | Maintenance | cold box leak check | The leak check of the cold box diff pump fittings.
Found a leak at the
base of the diff pump on the tee that is |
|
217
|
Fri Sep 14 12:44:52 2007 |
Doug Preddy | Start Up | started compressor | running purifier over weekend |
|
216
|
Wed Sep 12 12:01:02 2007 |
Doug Preddy | Maintenance | regenerated adsorber | regenerated adsorber
replaced MV902 "ON" switch (used nitrogen
precooling on switch) |
|
215
|
Tue Aug 14 12:55:12 2007 |
Doug Preddy | Normal Running | Strip tool saves | There are two strip tools saved:
coils
powerlead |
|
214
|
Tue Aug 14 10:15:22 2007 |
Doug Preddy | Maintenance | Solenoid ramped down | Solenoid ramped down and locked out for M9A
slits work. |
|
213
|
Mon Aug 6 08:41:31 2007 |
Doug Preddy | Quench Recovery | Cold box trip at 6:00 | compressor off due to cold box trip at 6:00
this morning. Restarted system
and started flow to solenoid in parallel |
|
212
|
Tue Jul 31 07:53:57 2007 |
Kevin Trithardt | Normal Running | cycled power leads | got a page for the power lead temp
came down and cycled the power leads.. did
not seem to make a difference..
|
|
211
|
Sun Jul 29 04:58:27 2007 |
Doug Preddy | Quench Recovery | Energizing solenoid | LHe level~50%. Still have a slight ripple
in the power leads, but they are
cold enough to power the solenoid. LHe_in |
|
210
|
Sat Jul 28 22:30:13 2007 |
Doug Preddy | Quench Recovery | quench again | recovered system and energized solenoid at
about 6:00 this evening.
At 9:30 power lead temps quenched solenoid |
|
209
|
Sat Jul 28 15:45:17 2007 |
Doug Preddy | Quench Recovery | quench recovery | The solenoid tripped off this morning due
to pwer lead over temp. The
compressor was also off. I restarted this |
|
208
|
Thu Jul 5 11:01:47 2007 |
Kevin Trithardt | Other | Current lead warm up | Due to curent lead temperature occilation
Doug recommended warming up the
current leads.
|
|
207
|
Thu Jul 5 03:04:50 2007 |
Doug Preddy | Normal Running | Power lead problems | The power leads temps are starting to cycle
again. Earlier today M9
experimentor cycled HIC142 to stablize the |
|