ID |
Date |
Author |
Operational Mode |
Subject |
Text |
|
2
|
Fri Dec 19 13:07:25 2003 |
Willy Andersson | Maintenance | To-Do list for M9SOL | I had distributed this list by email earlier
this month. I have added
a few items at the bottom. I am posting it |
|
11
|
Wed Apr 21 09:57:59 2004 |
Willy Andersson | Start Up | System status | Buffer tank pressure is down to about 6 psig.
Too low to keep up
with liquefaction requirements to build LHe |
|
14
|
Sun Apr 25 21:41:00 2004 |
Willy Andersson | Quench Recovery | Trip on PL Temp. | Got pager call at 16:20 this afternoon. Solenoid
had tripped on PL
temperature. Arrived at about 17:00. Did |
|
26
|
Wed May 5 23:57:38 2004 |
Willy Andersson | Quench Recovery | Powerleads warming up again. | Got a page from Don Flemming at about 18:50
wondering why the power
lead temperatures were rising. See attachment |
|
27
|
Thu May 6 09:32:13 2004 |
Willy Andersson | Quench Recovery | Additional notes from last night power lead problems. | When performing last nights refrigerator adjustments
I also increased the
compressor discharge pressure to 11.25 barA. |
|
29
|
Fri Jun 25 12:36:04 2004 |
Willy Andersson | Quench Recovery | Compressor unloaded etc. | At about 09:30 this morning I noticed the
sound coming from the compressor
building seemed louder than usual. After |
|
30
|
Fri Jun 25 14:20:58 2004 |
Willy Andersson | Quench Recovery | Switch to series mode | At about 14:00 solenoid temps dipping below
8 K. Trace of LHe level (dense
gas) starting to show. Switching to series |
|
31
|
Tue Jun 29 14:59:46 2004 |
Willy Andersson | Normal Running | Removed jumper on vacuum controller. | Tuesday 14:55
Removed jumper on back of PIC 901. This jumper |
|
40
|
Sat Aug 7 22:37:04 2004 |
Willy Andersson | Quench Recovery | Compressor tripped off. | Got a call at about 10:00 this morning, the
whole system had tripped off.
No power bumps or other disturbances. When |
|
41
|
Sat Aug 7 23:40:47 2004 |
Willy Andersson | Quench Recovery | Energizing solenoid | 23:39 Powerleads cold, LHe level over 40%
and rising. Energizing solenoid
to 500 Amps, ramp rate 60. Checking compressor |
|
47
|
Thu Sep 2 21:58:34 2004 |
Willy Andersson | Quench Recovery | Switch to series cooling | Solenoid had tripped on powerlead overtemp
at about 09:00 this morning.
Doug recovered the system to // cooling. |
|
86
|
Sun Nov 28 10:15:18 2004 |
Willy Andersson | Quench Recovery | Powerlead quench ? | Got page very early this morning. Couldn't
come in til 08:30. System was
in idle running mode and someone had reset |
|
101
|
Thu Jun 9 21:41:25 2005 |
Willy Andersson | Quench Recovery | Trying to achieve stable cooling. | From about 08:00 to 15:00
See Doug's previous entry for quench recovery |
|
107
|
Tue Jul 19 16:13:32 2005 |
Willy Andersson | Quench Recovery | switch to series mode | CR_6KS_M down to 11 K.
Switched to series mode.
Started small flow to power leads to get |
|
108
|
Tue Jul 19 18:09:56 2005 |
Willy Andersson | Quench Recovery | Quench II | Machine trip just as I was exiting the TRIUMF
gate. QRL said cold box fault
as did red lite on compressor. At cold box |
|
109
|
Sun Aug 14 10:03:13 2005 |
Willy Andersson | Normal Running | System stable | No experiment running in M9B.
Solenoid current is zero and power supply |
|
110
|
Mon Oct 31 07:48:57 2005 |
Willy Andersson | Quench Recovery | what a fine entry | Keep IT safe boys |
|
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 |
|
125
|
Tue Jun 13 15:52:46 2006 |
Willy Andersson | Quench Recovery | Doug has reduced and now closed CV155. | Now in full // cold return mode.
Had just talked with Curtis, He said thta
he has already informed the
|
|
126
|
Tue Jun 13 16:04:33 2006 |
Willy Andersson | Quench Recovery | TIC 121 set to auto mode | |
|