| ID |
Date |
Author |
Category |
Type |
Module |
Target/Number |
Subject |
Text |
 |
|
1918
|
Friday, May 10, 2019, 10:23 |
chad fisher | South Hot-Cell | Repair | | | West Entrance module wire scanner replacement | West entrance module - visible broken or
disconnected wire visible on old/existing
wire scanner. Wire scanner removed, new one |
|
|
1920
|
Monday, May 13, 2019, 11:22 |
David Wang | ITW | Repair | | | ITW entrance module has been connnected. | Entrance module has been connected back
to ITW. Everything is normal. |
|
|
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 |
|
|
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. |
|
|
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 |
|
|
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 |
|
|
1966
|
Friday, August 16, 2019, 08:51 |
David Wang | Conditioning Station | Repair | TM4 | | TM4 waterlines helium pressure test at TCS. | LD base leak rate, 0.0Xe-9atm.cc/sec. Helium
pressure, 70psi. 5 minutes each circuit.
No response on all water line except containment |
|
|
1968
|
Friday, August 16, 2019, 14:23 |
Carla Babcock | ITE | Repair | TM2 | ZrC#8 | TM2 electrical checks in ITE | Ramped voltage on TM2 up to 30kV with no
problems. Bias current is at 29uA, same as
original TM2 bias current (see archiver for |
|
|
1975
|
Wednesday, September 04, 2019, 13:53 |
chad fisher | South Hot-Cell | Repair | TM4 | | TM3 CB to TM4 | The TM3 containment box has been installed
onto TM4. No issues, leak checked ok.
|
|
|
1984
|
Thursday, September 12, 2019, 09:26 |
David Wang | ITW | Repair | TM4 | | ITW bad vacuum issue and trouble shoot. | ITW secondary vacuum was bad in last two
days after TM4 was connected in ITW. Today
when check the exit 2 module, I found a small |
|
|
2019
|
Thursday, October 31, 2019, 08:49 |
Anders Mjos | Conditioning Station | Repair | | | Water leak on non-active cooling water circuit | Yesterday a leak was discovered in the
ISAC-I experimental hall. The leak appears
to be at the connection between the evaporator |
|
|
2040
|
Friday, January 03, 2020, 13:15 |
Adam Newsome | Crane | Repair | | | Target Hall Crane PLC Module/Battery Replacement | The Target Hall Crane bridge and trolley motion
was lost after a period of the crane having
power disconnected over winter holidays. |
|
|
2074
|
Friday, February 28, 2020, 09:36 |
David Wang | ITE | Repair | | | Entrance module TP1S broken piesces clean up. | Using the camera, Frank and I inspected
the broken blades in vacuum duct bending
section. We are pretty sure some of |
|
|
2083
|
Thursday, March 12, 2020, 13:48 |
David Wang | ITE | Repair | | | Entrance module TP1S broken piesces clean up. | The broken pieces in ITE entrance vacuum
pit are vacuumed out. At SHC, There
are 4 pieces on module collimator block top, |
|
|
2095
|
Friday, May 22, 2020, 13:26 |
David Wang | ITW | Repair | | | ITW water leak. | A water leak was found on a fitting connecting
ITW dump return line pressure gauge on top
of exit module. TM tank flange, o-ring slot |
|
|
2101
|
Thursday, June 11, 2020, 12:36 |
David Wang | Safe Module Parking | Repair | TM3 | | TM3 containment box and service tray field measurement. | At 15cm distance: Containment box |
|
|
2108
|
Friday, June 19, 2020, 11:21 |
David Wang | ITE | Repair | TM4 | P2N test. | ITE TP3 is replaced. | ITE TP3 is replaced. ITE is under vacuum
again. All turbo pumps are started successfully.
Current draw on pumps are normal so far. |
|
|
2129
|
Tuesday, July 28, 2020, 09:26 |
chad fisher | South Hot-Cell | Repair | | | Entrance Module Wire Scanner | Entrance module wire scanner has been replaced.
Pictures to follow. |
|