| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
1677
|
Tue Jun 16 09:02:30 2009 |
steve | Configuration | VAC | new maglev RGA scan | The maglev fore line pressure is 3e-6 torr
at CC2 after 4 days of pumping. Varian turbo
V-70 is pumping on it through V4 and VM2 |
|
|
1690
|
Tue Jun 23 10:06:03 2009 |
steve | Update | VAC | new maglev RGA scan at day6 | The Maglev is running for 10 days with
V1 closed. The pressure at the RGA-region
is at 2e-9 torr on CC4 cold cathode |
|
|
1691
|
Tue Jun 23 15:19:42 2009 |
steve | Configuration | VAC | V1 is open |
|
|
|
1693
|
Wed Jun 24 09:21:19 2009 |
steve | Configuration | VAC | IFO RGA scan with Maglev & Cryo |
|
|
|
1701
|
Thu Jun 25 10:28:58 2009 |
steve | HowTo | VAC | Cryopump is regenerated | The Cryopump's VC1 valve to IFO was closed
yesterday.
The compressor
Helium pressure was 235 PSI. The cold head |
|
|
1716
|
Thu Jul 2 17:37:36 2009 |
steve | Update | VAC | V1 interlock test | Joe, Alberto and Steve
We tested gate valve V1 interlock
by : |
|
|
1763
|
Mon Jul 20 10:35:06 2009 |
steve | Update | VAC | UPS batteries replaced | APC Smart-UPS (uninterruptible power
supply) batteries RBC12 replaced at 1Y8 vacuum
rack. |
|
|
1840
|
Thu Aug 6 09:05:29 2009 |
steve | Update | VAC | large O-rings of vacuum envelope | The 40m-IFO vacuum envelope doors are sealed
with dual viton O-rings and they are pumped
through the annulos lines. |
|
|
1852
|
Fri Aug 7 09:50:57 2009 |
steve | Configuration | VAC | IFO pressure rose to 2.3 mTorr | IFO pressure was 2.3 mTorr this morning,
The Maglev's foreline valve
V4 was closed so P2 rose to 4 Torr. The Maglev |
|
|
1857
|
Fri Aug 7 16:11:11 2009 |
steve, rob | Configuration | VAC | IFO pressure rose to 2.3 mTorr |
|
|
|
1858
|
Fri Aug 7 16:14:57 2009 |
rob | Omnistructure | VAC | UPS failed | Steve, Rana, Ben, Jenne, Alberto, Rob
UPS in the vacuum rack failed this |
|
|
1863
|
Fri Aug 7 18:06:24 2009 |
rob | Omnistructure | VAC | opening V1 when PTP1 is broken | We've had a devil of a time getting V1
to open, due to the Interlock code.
|
|
|
1864
|
Fri Aug 7 19:34:40 2009 |
steve | Summary | VAC | UPS failed | The Maglev is running on single phase 220V
and that voltage was not interrupted.
TP1 was running undisturbed with V1 and V4 |
|
|
1865
|
Fri Aug 7 19:55:08 2009 |
steve | Summary | VAC | opening V1 when PTP1 is broken | The swapped in 307 convectron gauge controller
is very likely to have the RS232 connection
wired differently from the old one. |
|
|
1912
|
Sat Aug 15 18:57:48 2009 |
rana | Update | VAC | UPS failed | As Rob noted last Friday, the UPS which
powers the Vacuum rack failed. When we were
trying to move the plugs around to debug |
|
|
1937
|
Mon Aug 24 16:48:57 2009 |
steve | HowTo | VAC | new UPS installed |
|
|
|
1967
|
Fri Sep 4 16:09:26 2009 |
josephb | Summary | VAC | Rebooted RGA computer and reset RGA settings | Steve noticed the RGA was not working today.
It was powered on but no other lights were
lit. |
|
|
1974
|
Tue Sep 8 16:01:52 2009 |
steve | Configuration | VAC | RGA was separeted from IFO | The RGA isolation valve VM1 was closed
since Aug 24, 2009 I installed the
new UPS that time. |
|
|
2137
|
Fri Oct 23 09:13:45 2009 |
steve | Summary | VAC | RGA scan | Pump down #66 is 435 days old. RGA scan
is normal. New maglev is fine. New UPS is
in place but not hooked up to communicate. |
|
|
2360
|
Mon Dec 7 09:38:05 2009 |
Koji | Update | VAC | Vent started | Steve, Jenne, Koji
The PSL was blocked by the |
|
|
2386
|
Thu Dec 10 13:50:02 2009 |
Jenne | Update | VAC | All doors on, ready to pump | [Everybody: Alberto, Kiwamu, Joe,
Koji, Steve, Bob, Jenne]
The last heavy door was put on after |
|
|
2387
|
Thu Dec 10 15:18:55 2009 |
Jenne | Update | VAC | seisBLRMS | last 20 days - including the pounding from
next door |
|
|
2388
|
Thu Dec 10 16:51:35 2009 |
steve | Update | VAC | pumpdown will start tomorrow morning | The vacuum system is at 760 torr
All chambers with doors on and their annuloses
are pumped down. |
|
|
2394
|
Fri Dec 11 08:35:04 2009 |
steve | Configuration | VAC | pumpdown has started | Oplev positions before and after drag wiped
arm TMs as of yesterday. Slow-mode pumpdown
has started with 3/4 turn opened RV1 |
|
|
2397
|
Fri Dec 11 13:18:17 2009 |
Alberto | Configuration | VAC | pumpdown has started |
|
|
|
2399
|
Fri Dec 11 14:19:22 2009 |
Koji | Configuration | VAC | pumpdown has started | Wait,
Wait, Wait. |
|
|
2400
|
Fri Dec 11 15:21:40 2009 |
steve | Configuration | VAC | pumpdown#67 is completed |
|
|
|
2538
|
Thu Jan 21 11:08:30 2010 |
kiwamu, steve | Update | VAC | Dry Pump replacement | This morning I and Steve replaced
the dry fore pump of TP3, which is located
under the y-arm. |
|
|
2573
|
Fri Feb 5 11:01:49 2010 |
steve | Configuration | VAC | slow pumpdown valve | I have installed a slow start throttle
valve in front of V3 This spring loaded
valve will cut down on the flow at high pressures. |
|
|
2589
|
Thu Feb 11 15:53:59 2010 |
steve | Configuration | VAC | PSL output shutter is closed | Joe and Alex are working on the computers.
Our vacuum system is temporary "All
off" condition: meaning all valves are |
|
|
2592
|
Thu Feb 11 18:53:57 2010 |
steve | Configuration | VAC | VAC NORMAL is back |
|
|
|
2613
|
Thu Feb 18 15:39:16 2010 |
Koji and Steve | Configuration | VAC | valve condition: ALL OFF | As preparation for the upcoming planned
power outage we turned turbos, RGA off and
closed valves. |
|
|
2616
|
Fri Feb 19 10:18:19 2010 |
Jenne | Update | VAC | The P1 vac pressure is almost to 3mTorr | The Vac pressure measured at P1 is at 2.5mTorr.
I expect we'll hit 3mTorr sometime this afternoon,
at which point (according to Steve) the interlock |
|
|
2624
|
Mon Feb 22 11:38:05 2010 |
joe, jenne and steve | Configuration | VAC | vacuum is back to normal | Morning condition: vacuum rack power is
still off, no MEDM screen reading.....meaning
unknown vacuum pressure.We closed PSL shutter |
|
|
2631
|
Tue Feb 23 13:37:04 2010 |
kiwamu and steve | Configuration | VAC | venting the 40m vac envelope | Kiwamu and Steve have started venting
the 40m vacuum envelope.
Preparation: |
|
|
2633
|
Tue Feb 23 16:20:44 2010 |
steve | Configuration | VAC | outgassing + leak |
|
|
|
2635
|
Tue Feb 23 19:00:45 2010 |
kiwamu | Configuration | VAC | vent finished | The vent has been
finished. |
|
|
2636
|
Tue Feb 23 19:07:43 2010 |
kiwamu and steve | Configuration | VAC | vent is completed |
|
|
|
2644
|
Fri Feb 26 15:32:13 2010 |
steve | Configuration | VAC | preparation for power outage: vacuum all off | There is a planned power outage tomorrow,
Saturday from 7am till midnight.
I vented all annulies and switched |
|
|
2648
|
Mon Mar 1 11:21:50 2010 |
steve | Configuration | VAC | vacuum contoller is back to normal |
|
|
|
2670
|
Fri Mar 12 17:08:22 2010 |
steve | Configuration | VAC | bg-RGAscan at d18 | RGA scan of rga-region only at day 18
This is the back ground of the rga with some
calibration gas. |
|
|
2803
|
Fri Apr 16 17:46:54 2010 |
Koji | Update | VAC | Peeting mirrors aligned | Steve and Koji
We aligned the peeping mirrors to
look at the surface of the ITMs. |
|
|
2963
|
Fri May 21 00:30:44 2010 |
Jenne | Update | VAC | TP3 fore pump is very loud | [Jenne, Kiwamu, and Steve via phone]
Around 9:30pm, Kiwamu and I came
back from dinner, and were getting ready |
|
|
2965
|
Fri May 21 08:28:29 2010 |
steve | Configuration | VAC | TP3 turned off |
|
|
|
2970
|
Fri May 21 16:37:35 2010 |
steve | Configuration | VAC | tp3's drypump replaced | Bob replaced the tipseal in an other drypump
and I swapped it in. TP3 turbo is running
again, it's foreline pressure is 40 mTorr. |
|
|
3009
|
Fri May 28 13:32:01 2010 |
alberto, kiwamu | Update | VAC | vacuum work | We started
a vacuum work in this morning. And still |
|
|
3010
|
Fri May 28 13:51:51 2010 |
Jenne | Update | VAC | vacuum work |
|
|
|
3011
|
Fri May 28 14:24:30 2010 |
Jenne | Update | VAC | vacuum work | I just got off the phone with Alberto and
Kiwamu, and I'm going to try to recalculate
things based on their measurements of the |
|
|
3111
|
Wed Jun 23 23:55:03 2010 |
Katharine, Sharmila, Rana, Steve and Kiwamu | Update | VAC | wiped the BS | Some unused
optics in the BS chamber were removed. |
|
|
3114
|
Thu Jun 24 11:16:32 2010 |
Sharmila, Rana and Kiwamu | HowTo | VAC | Inspection of the BS (sorry, no sounds) | |
|