| ID |
Date |
Author |
Category |
Type |
Module |
Target/Number |
Subject |
Text |
 |
|
1934
|
Friday, June 07, 2019, 08:56 |
Travis Cave | Conditioning Station | Standard Operation | TM4 | no target | Module move | TM#4 has been moved from the south
hot cell to the conditioning station. |
|
|
1935
|
Friday, June 07, 2019, 13:11 |
David Wang | Conditioning Station | Development | TM4 | | TCS and TM4. | TM4 has been connected at TCS for HV test.
TCS water system and vacuum pumps are switched
on. |
|
|
1936
|
Monday, June 10, 2019, 08:26 |
Carla Babcock | Conditioning Station | Maintenance | TM4 | No target | Ramping voltage on TM4 w/o source tray | TM4 in conditioning station with no source
tray, extraction electrode set to HV bias.
Brought up to 30kV over the weekend by ISAC |
|
|
1938
|
Monday, June 10, 2019, 16:22 |
Carla Babcock | Conditioning Station | Maintenance | TM4 | No target | Ramping V on TM4, no HV cover in TH | Ramped down the bias so David could remove
the HV cover and lock out the target hall.
Ramped back up to BIAS / EL = 50kV |
|
|
1939
|
Monday, June 10, 2019, 18:12 |
Carla Babcock | Conditioning Station | Maintenance | TM4 | No target | Attempt to push bias > 56kV | Monday, June 10, 2019, 16:59 : TM4 back
up to BIAS / EL = 56.1kV / 29.5kV
Monday, June 10, 2019, 17:14 : After |
|
|
1940
|
Wednesday, June 12, 2019, 08:56 |
Carla Babcock | Conditioning Station | Maintenance | TM4 | No target | More TM4 conditioning without source tray | The conditioning station was ramped down
overnight and David ramped it back up this
morning. Currently trying to get it to sit |
|
|
1941
|
Thursday, June 13, 2019, 09:09 |
Travis Cave | South Hot-Cell | Standard Operation | TM4 | no target and no source tray | Module move | TM#4 has been moved from the conditioning
station to the south hot cell. The module
has no source tray. |
|
|
1942
|
Thursday, June 13, 2019, 10:55 |
David Wang | Conditioning Station | Repair | TM4 | | TM4 HV test at TCS without source tray. | I brought up TCS bias to 57.5 KV on TM4
without source tray at TCS. It was kept at
this level about 1.0 hours. Some intermediate |
|
|
1945
|
Friday, June 21, 2019, 07:16 |
David Wang | South Hot-Cell | Development | TM4 | | TM4 new source tray leak check at SHC. | New source tray was installed on TM4 yesterday.
LD was used to pump down all water lines.
Tube heater +D circuit has a big leak |
|
|
1947
|
Monday, July 08, 2019, 14:56 |
Carla Babcock | Conditioning Station | Repair | TM4 | Dummy HP SIS target | First TM4 conditioning with new source tray | Ramping up TM4 with new source tray in.
Current condition: new source tray but no
water running in lines B, D or window. Multipin |
|
|
1948
|
Tuesday, July 09, 2019, 09:15 |
Carla Babcock | Conditioning Station | Repair | TM4 | Dummy HP SIS target | Conditioning TM4 w/ new ST up to 45kV | Left TM4 at 40kV overnight with no previous
heating. There was only one real spark which
turned off TP2 but ops turned it back on. |
|
|
1949
|
Wednesday, July 10, 2019, 11:59 |
Carla Babcock | Conditioning Station | Repair | TM4 | Dummy HP SIS target | Conditioning TM4 w/ new ST up to 50kV | David raised the bias to 49.5kV. Module
is still sparking mainly on top. Humidity
is super high. |
|
|
1950
|
Monday, July 15, 2019, 13:29 |
David Wang | Conditioning Station | Development | TM4 | | Vacuum surge when TM4 B line iwas supplied with water. | Yesterday, TM4 B line was supplied with
water at TCS for testing. TCS: IG1
and IG2 had big response on it. See attachment. |
|
|
1951
|
Tuesday, July 16, 2019, 08:44 |
Travis Cave | Conditioning Station | Standard Operation | TM4 | no target | Module move | TM4 has been moved from the conditioning
station to the south west silo. Module was
placed with the turbo pump facing south which |
|
|
1952
|
Monday, July 22, 2019, 14:51 |
Adam Newsome | South Hot-Cell | Standard Operation | TM4 | No Target | TM4 Move | TM4 has been moved from the South West
silo to the South Hot Cell. New source tray,
no target. |
|
|
1953
|
Friday, July 26, 2019, 11:28 |
David Wang | South Hot-Cell | Standard Operation | TM4 | | TM4 move from SHC to TCS. | Tm4 has been moved from SHc to TCS without
containment box. It is a new source tray
on TM4. A layer of plastic sheet was |
|
|
1954
|
Friday, July 26, 2019, 11:41 |
David Wang | South Hot-Cell | Standard Operation | TM4 | | TM4 with spare target electrical check and leak check. | Electrical check on TM4 with spare test
target. PQ is still shorted to RU. But, The
short between 60KV bias and PQRU which we |
|
|
1956
|
Monday, July 29, 2019, 16:17 |
Carla Babcock | Conditioning Station | Repair | TM4 | Dummy LP SIS | New leak on EE water line while testing new In seals | Original Problem:
Leaks on the B and D copper blocks,
probably due to corrosion between the blocks |
|
|
1957
|
Wednesday, July 31, 2019, 08:57 |
Adam Newsome | South Hot-Cell | Standard Operation | TM4 | No Target | TM4 Move | TM4 has been moved from the Conditioning
Station to the South Hot Cell. No target.
|
|
|
1958
|
Tuesday, August 06, 2019, 01:13 |
Carla Babcock | Conditioning Station | Repair | TM4 | Dummy HP SIS target | Checks on EE line leak fix and window line leak (not fixed) | TM4 has developed 4 leaks so far:
Line B - seems to be solved
with an indium gasket (some testing already |
|