 Tuesday, December 04, 2012, 11:05, Anders Mjos, , , , , , , , Vented
|
In preparation for RFQ target and leak troubleshooting.
Tuesday, December 04, 2012, 11:04: Turbos off (vacuum at 3.8E-7 T)
Water lines purged. |
|
Tuesday, December 04, 2012, 17:27, Anders Mjos, RFQ empty, , , , , , In progress, Pumping down
|
The RFQ heating test target was installed by Sebastian and Anders.
Tuesday, December 04, 2012, 17:26: roughing
Tuesday, December 04, 2012, 17:45: starting turbos |
|
Wednesday, December 05, 2012, 11:18, Anders Mjos, , , , , , , In progress, Leak checking 9-pin feed through
|
Vacuum at 4.4E-7T
Base leak rate 2 - 3 E-9 mbar-l/sec
No response above background. |
|
Thursday, December 06, 2012, 08:41, Anders Mjos, , , , , , , , Opened cooling water
|
| Vacuum stable at 2.8E-7 T |
|
Tuesday, December 11, 2012, 13:27, Sebastian Raeder, , , , , , , , 9 PIN connector
|
A Sub D 9 Pin connector on a HV insulator was installed on Port Q of the target box at the teststand. The insulator is leak tested and OK, vacuum is
below 2E-7 T
The feed through is connected (1to1) to the upper 9 Pin connector of the target tray. Since the existing upper 9 Pin connector was damaged from |
Tuesday, December 11, 2012, 13:40, Sebastian Raeder, RFQ empty, , , , , , Done, Heating test for Ion guide Laser ion source 
|
new ion guide laser ion source installed. Pure target container without targetmaterial and without surface ion source.
Heat up to 580A for heat test of all components. Distance between target and repeller < 1mm
|
|
Thursday, December 13, 2012, 08:40, Anders Mjos, RFQ empty, , , , , , In progress, Venting
|
Thursday, December 13, 2012, 08:38: TBHT and TGHT off
Thursday, December 13, 2012, 08:38 : Vacuum at 1.8E-7 T
Thursday, December 13, 2012, 08:38 : Turbos off |
|
Thursday, December 13, 2012, 14:38, Anders Mjos, , , , , , , , Pumping down empty chamber
|
Thursday, December 13, 2012, 14:36: Roughing
Thursday, December 13, 2012, 14:56 : Starting turbos
Thursday, December 13, 2012, 15:05 : turbos at speed |
|
Friday, December 14, 2012, 14:24, Sebastian Raeder, RFQ empty, , , , , , , Venting
|
| Friday, December 14, 2012, 14:24 Stop Turbopumps and prepare venting to insert RFQ target |
 Friday, December 14, 2012, 15:28, Anders Mjos, RFQ empty, , , , , , In progress, Venting
|
Sebastian Raeder wrote:
Friday, December 14, 2012, 14:24 Stop Turbopumps and prepare venting to insert RFQ target |
|
Friday, December 14, 2012, 20:34, Sebastian Raeder, RFQ empty, , , , , , Done, pumping down
|
Friday, December 14, 2012, ~ 17:00: start roughing pumps
Friday, December 14, 2012, 20:33: start turbo pumps
Friday, December 14, 2012, 20:42 : turbos at speed |
|
Monday, December 17, 2012, 22:35, Sebastian Raeder, RFQ empty, , , , , , , wire connection for RFQ test
|
Overview over the connections of the new 9Pin connector inside the vacuum and in the HV cage
1&2 : RFQ rods in the vacuum, RFQ Driver in HV cage
4: Repeller electrode, grounded in HV cage |
|
Tuesday, December 18, 2012, 12:51, Sebastian Raeder, , , , , , , , Anode powersupply connected to HV-common
|
The anode PS is turned off and connected to HV common.
the Target is connected to a -18V PS at the center support (Feed through A) for a on/off test of ion suppression
NOTE: there is a shortcut target <--> HV gnd, most propably due to the thermocouple touching something after pumping. |
|
Tuesday, December 18, 2012, 16:00, Sebastian Raeder, RFQ empty, , , , , , Done, target heating
|
Tuesday, December 18, 2012, ~ 13:00 start ramping the TGHT current, vacuum at 1.7E-7T
Tuesday, December 18, 2012, 15:56: @ 250A, target is glowing, center block is cooler (can be inspected with a new hole in the heatshield lid),
thermocouple is reading 224C, which is definitely colder than the temp from visual insepection, reading may be corrupted from contact to Heatschield |
|
Wednesday, December 19, 2012, 09:44, Sebastian Raeder, , , , , , , In progress, venting
|
venting and inspect the target
Wednesday, December 19, 2012, 09:43: vqacuum at 1.9E-7T, stop turbos |
|
Wednesday, December 19, 2012, 11:24, Anders Mjos, , , , , , , Problems/Solutions, Restarted turbos in TMS section after power bump
|
| Sources arch restared |
|
Wednesday, December 19, 2012, 16:22, Sebastian Raeder, , , , , , , Problems/Solutions, status after power outage
|
Wednesday, December 19, 2012, 16:24:
After long power outage, everything is off except the roughing pumps. Two turbo pumps (TMSTP2 and TSGTP1B) have shown fault due to timeout, only
TSGTP1B could be reset, while TMSTP2 is still showing this fault |
|
Thursday, December 20, 2012, 14:19, Anders Mjos, , , , , , , , Power down for holidays
|
| |
|
Thursday, January 03, 2013, 08:33, Anders Mjos, , , , , , , Problems/Solutions, Started archivers after holiday shut down
|
| Started archivers. Controls whited out. |
|
Thursday, January 03, 2013, 11:39, Anders Mjos, , , , , , , Problems/Solutions, Starting pumps after holiday shut down - TMSRP2 replaced
|
Thursday, January 03, 2013, 11:28: TMSRP2 is noisy. Stopped.
Roughing pump inspected by Vacuum group. Will be replaced later today. See e-fault 6516
Thursday, January 03, 2013, 11:29: TSGRP1 Started |
|