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Solenoid
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Solenoid logbook, Page 12 of 15
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ID
Date
Author
Operational Mode
Subject
Text
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
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
171
Thu Oct 26 04:27:31 2006
Willy Andersson
Quench Recovery
Powerlead overtemp
02:30 this morning got page from operations.
Looked at system online, appears that there
was a powerlead overtemp
77
Thu Nov 4 13:33:49 2004
Doug Preddy
Normal Running
Power supply problems
Last night the power supply was ramping up
at a very slow rate. This
morning it was energized,but with no current
16
Mon Apr 26 08:12:30 2004
Doug Preddy
Quench Recovery
Power leads flow
Throttled back the LHe in until the power
leads started to warm. My goal is
to flow "warm" gas (hopefully 80K) through
17
Tue Apr 27 09:03:18 2004
Doug Preddy
Normal Running
Power leads
Power leads are being monitored with the strip
tool graphs. I saw the temps
go from having a ripple to almost no ripple,
73
Mon Oct 25 15:44:15 2004
Doug Preddy
Normal Running
Power lead temps starting to ripple
Power lead temps starting to ripple at a 1.5min
period. PL flows are
both>250 mm.
46
Sun Aug 29 14:39:19 2004
Doug Preddy
Normal Running
Power lead ripple
The LHe in and PL-neg temps have been building
up a ripple over the last
few days. Curtis cycled HIC142 Friday evening
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
44
Wed Aug 25 07:47:05 2004
Doug Preddy
Normal Running
Power lead flow
The power lead flows had dropped to 210 mm
this morning. I increased HIC142
from 0.8 to 0.83. The flows are back to <250
102
Tue Jun 14 18:48:14 2005
Experimentor
Normal Running
Power bump at 18:40
Solenoid tripped on a power bump at 18:40
Tuesday
-- Donald Arseneau
186
Mon Mar 5 14:59:41 2007
Doug Preddy
Maintenance
Password
On the weekend someone used this log to send
spam messages. I have
installed a password for the write privilege.
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
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.
7
Tue Apr 20 07:33:03 2004
Doug Preddy
Start Up
PIC229 at 11bar
PIC229 at 11 bar. Changed strip tool to 15
sec increments.
139
Thu Jul 20 11:01:09 2006
Willy Andersson
Quench Recovery
Opened up warm return valves CV151 and CV153
Mu2 pressure was just about at trip point
due to trapped volume of helium
warming. So opened up warm returns to bleed
145
Fri Jul 21 17:18:19 2006
Willy Andersson
Quench Recovery
Opened HIC142 fully open
Power leads have flatlined but still building
LHe level.
242
Mon Dec 3 14:59:58 2007
Doug Preddy
Quench Recovery
Not really a quench recovery, But...
Not really a quench recovery, but...I wanted
to send this out via e-mail.
The contactor for the compressor building
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
82
Wed Nov 24 07:28:30 2004
Other
Mission Impossible
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