40m
QIL
Cryo_Lab
CTN
SUS_Lab
TCS_Lab
OMC_Lab
CRIME_Lab
FEA
ENG_Labs
OptContFac
Mariner
WBEEShop
|
40m Log |
Not logged in |
 |
|
Wed Oct 12 22:51:26 2016, Koji, Update, General, Clipping could not be improved by the PZTs - NEED ANOTHER VENT
|
Thu Oct 13 00:23:54 2016, ericq, Update, VAC, Pre-vent prep
|
Thu Oct 13 09:30:38 2016, Steve, Update, General, vent 79 is happening 
|
Thu Oct 13 16:48:34 2016, Steve, Update, VAC, vent 79 is completed
|
Thu Oct 13 19:28:14 2016, gautam, Update, General, in-air alignment
|
Fri Oct 14 10:31:53 2016, gautam, Update, General, doors are off ITMY and BS/PRM chambers
|
Fri Oct 14 18:33:55 2016, gautam, Update, General, AS clipping investigations 7x
|
Mon Oct 17 22:45:16 2016, gautam, Update, General, AS beam centered on all OMs 7x
|
Tue Oct 18 18:56:57 2016, gautam, Update, General, OM5 rotated to bypass OMC, green scatter is from window to PSL table   
|
Wed Oct 19 16:41:55 2016, gautam, Update, General, Heavy doors back on 8x
|
Thu Oct 20 09:17:08 2016, Steve, Update, VAC, Pumpdown 80 has started   
|
Thu Oct 20 15:59:52 2016, Steve, Update, VAC, Pumpdown 80 has completed  
|
Fri Oct 21 02:06:20 2016, gautam, Update, General, IFO recovery
|
Mon Oct 24 11:39:13 2016, gautam, Update, General, ALS recovered 
|
Fri Oct 21 09:28:21 2016, Steve, Update, VAC, Vac Normal reached
|
Wed Nov 23 11:32:13 2016, Steve, Update, VAC, TP3 drypump replaced again
|
Fri Nov 10 08:52:21 2017, Steve, Update, VAC, TP3 drypump replaced
|
Fri Feb 16 15:57:58 2018, Steve, Update, VAC, TP3 drypump replaced
|
Thu Jul 12 16:18:22 2018, Steve, Update, VAC, Vent preparations 
|
Thu Jul 12 23:59:14 2018, gautam, Update, General, Vent objectives and prep
|
Fri Jul 13 02:52:11 2018, gautam, Update, General, Vent objectives and prep
|
Fri Jul 13 17:13:45 2018, Koji, Update, General, Vent objectives and prep
|
Fri Jul 13 18:01:13 2018, gautam, Update, General, Low power MC
|
|
Message ID: 12577
Entry time: Fri Oct 21 09:28:21 2016
In reply to: 12575
Reply to this: 12636
|
Author: |
Steve |
Type: |
Update |
Category: |
VAC |
Subject: |
Vac Normal reached |
|
|
Dry pump of TP3 replaced after 9.5 months of operation.[ 45 mTorr d3 ]
The annulosses are pumped.
Valve configuration: vac normal, IFO pressure 4.5E-5 Torr [1.6E-5 Torr d3 ] on new ITcc gauge, RGA is not installed yet.
Note how fast the pressure is dropping when the vent is short.
Quote: |
IFO pressure 1.7E-4 Torr on new not logged cold cathode gauge. P1 <7E-4 Torr
Valve configuration: vac.normal with anunulossess closed off.
TP3 was turned off with a failing drypump. It will be replaced tomorrow.
|
All time stamps are blank on the MEDM screens. |
|
|