 Tuesday, February 21, 2023, 16:56, Albert Kong, Maintenance, Target 2, Other, M20 BB moved to meson hall hot cell roof 
|
The M20 beam blocker was moved from the T2 monolith to the meson hall hot cell with the remote handling flask (completed ~4pm).
This operation was performed in preparation for M20 maintenance (main shaft o-ring replacement + air cylinder re-lubrication).
RPG surveyors measured 20,000 CPM from swiping the surface of the beam blocker shaft, and measured 25 mSv/hr on contact with the beam blocker. |
|
Wednesday, March 01, 2023, 13:10, Albert Kong, Maintenance, Other, Cooling, T1/T2 Water Cooling Package Heat Exchanger Ball Valve Replacement
|
3x 3/4" swagelok ball valves (2x at T2 and 1x at T1) were replaced after the water cooling line was shut off at the BL1A tunnels late yesterday.
We were able to relieve pressure from the T2 water cooler + M8 colA/B (they are the same line) at the BL1A tunnel through a drain port but no such
port exists for the T1 heat exchanger line in BL1A. |
|
Thursday, March 02, 2023, 06:59, maicodallavalle, Maintenance, Target 1, Cooling, Refilled Expasion Tank
|
| I have refilled the water package on T1 with DI water. The Expansion Tank is at 37cm. This may change when pump is turned on. |
|
Thursday, March 02, 2023, 07:04, maicodallavalle, Maintenance, Target 2, Cooling, Refilled Expasion Tank
|
| I have filled the water package on T2 with DI water. The expansion tank is at 38.1cm. This may change when the pump is turned on. |
|
Friday, March 03, 2023, 16:00, Albert Kong, Maintenance, Target 2, Other, M20 Return to T2 Monolith + Vaccum Leak / T1-T2 Valve Re-inspection
|
We moved M20 back to the T2 monolith and re did the connections for air + limit switches + T2 profile monitor air.
Note: T2 profile monitor electronics sparked when we moved M20 out initially. (Update: Shengli Liu from probes group performed a test on the T2 |
|
Wednesday, March 15, 2023, 15:56, Albert Kong, Maintenance, Target 2, Controls, T2 - M9 and M20 beam blocker actuation and vacuum test 6x
|
We tested the actuation of the M9/M20 beam blockers on the T2 monolith (3-4pm).
Vacuum levels remained steady throughout so the M20 o-ring replacement that was performed this shutdown was successful (see strip of 1ACG4 - vacuum
gauge for T2 systems interlock). |
|
Thursday, March 30, 2023, 13:17, Albert Kong, Maintenance, Other, Target, Air Amplifier Testing: M9 BB (AKA T2 blocker), M20 BB, T2 MK1 prof. monitor, T1 MK1 prof. monitor actuation
|
We tested the air amplifiers by actuating the beam blockers and profile monitors on the T1 and T2 target stations.
The blockers and profile monitors were each actuated (brought up/out and down/in fully) > 5 times and vacuum remained stable throughout (see
attached). |
|
Thursday, April 06, 2023, 13:35, Albert Kong, Maintenance, Target 1, Controls, T1 Motor Controller Hearbeat Trip (+T2 Heartbeat Trip)
|
The T1 motor controller hearbeat tripped (noticed this morning).
This does not seem prevent beam delivery or target ladder actuation (see screenshot, target still ready for beam).
An improperly functioning hearbeat led on a controller may indicate that the controller is beginning to fail. |
|
Wednesday, May 03, 2023, 10:06, Adam Newsome, Maintenance, Other, Hot Cell, Meson Hall Hot Cell - Nuclear Ventilation HEPA Filter Changed, Operational
|
The HEPA filter in the nuclear ventilation system for the Meson Hall Hot Cell was changed and tested by mechanical services under work permit C2023-04-25-14.
|
|
Tuesday, October 17, 2023, 10:16, Eric Lahe, Maintenance, Other, Active Sump, Testing the Remote Handling Lab Active Sump Level Sensor
|
The level sensor for the active sump in the RH lab was tested.
The level sensor is working properly and is operational.
|
|
Tuesday, October 17, 2023, 14:25, Albert Kong, Maintenance, Other, Other, T1/T2 Air Amplifier Spool O-Ring Servicing
|
Today we re-lubricated the o-rings on the top air amplifier for T1/T2, and replaced the o-rings on the bottom air amplifier with new and also lubricated
o-rings.
We used Haskel lubricant #50866. |
|
Thursday, January 11, 2024, 15:10, Albert Kong, Maintenance, Other, Cooling, T1/T2 Cooling Pkg. Proteus Paddle Wheel Maintenance, CUNO Filter Replacement, and Fitting Inspection
|
The following tasks were performed:
All electrical, water, and pneumatic connections to the T1 target was reconnected.
3x and 2x CUNO filters for T1 and T2
respectively were changed (O-ring for the housings were not changed).
All hansen fittings on the front mounting plates of the T1 and T2 cooling |
|
Thursday, February 15, 2024, 14:53, Albert Kong, Maintenance, Target 2, Air amplifiers, T2 Lower Air Amplifier Maintenance/Rebuild
|
The lower amplifier for the T2 target station air supply was removed for teardown, inspection, and rebuild.
The goal of this operation is to understand wear development in the air amplifier over ~13 years of operation, and potentially determine a recommeded
service interval. |
|
Friday, November 29, 2024, 11:57, Adam Newsome, Maintenance, Other, Hot Cell, Hot cell and warm cell maintenance tasks
|
The following maintenance tasks were completed on 2024-11-29 by A. Newsome, A. Kong, A. Tam, M. Dalla Valle:
Warm cell right window water level topup... the water level was a couple inches lower from the top. Using a tube connected to the nearby
sink, the level was topped up fully. See attached before/after picture.
Hot cell oil level checks:
Right side OK. |
|
Thursday, January 23, 2025, 16:58, Albert Kong, Maintenance, Other, Cooling, T1/T2 CUNO filter exchange, hansen fitting inspection, T2 FGSEC proteus electronics replaced, T2 FGSEC and Q1 paddle wheel replaced
|
All CUNO filters at T1 was exchanged on Jan 17.
At the time, access to the CUNO filters at T2 was obstructed by a shielding block, we will exchange these filters once the block is moved.
All Hansen fittings on the target station were inspected, all o-rings found to be in good condition. |
|
Thursday, January 23, 2025, 17:09, Albert Kong, Maintenance, Other, Cooling, T1 T2 water solenoid valves rubber gasket and o-ring exchange
|
All rubber components on the T1 T2 water solenoid valves were exchanged on Jan 22, 2025.
To service the heat exchange water and all collimator solenoid valves, the low active copper supply line in the 1A tunnel had to be shut off (see
pictures). Note that the shut off for the T2 secondary water did not work perfectly, it is possible that there either the valve was not shut off properly |
|
Monday, February 10, 2025, 16:46, Albert Kong, Maintenance, Other, Other, T1 T2 ASCO Air Solenoid Valve Rebuild
|
The compressed air ASCO valves for the M9BB, M20BB, T1 Profile Monitor (2x 8342C1 [rebuild kit 306-191] + 1x 8320G216 [rebuild kit 314-949] respectively),
and T2 Profile Monitor (8320G216) were serviced with their rebuild kits.
To service these valves, we isolated them from the compressed air source by shutting off the outlet valves on the air amplifiers and venting the |
|
Thursday, June 30, 2011, 16:47, John Wong, Development, Target 1, Target, Testing Elog
|
| blah blah blah.... fjda;jfeowifjoajglfa;nafg |
|
Friday, June 22, 2012, 13:48, Isaac Earle, Development, Target 1, Cooling, T1 & T2 Expansion Tank Level Sensor Recording Enabled
|
Mike Mouat enabled recording for T1 and T2 expansion tank warning and trip level sensors on XTPAGE/XSTRIP.
XSTRIP output is in discreet integers as follows:
2 = Both sensors OK |
|
Tuesday, July 17, 2012, 15:30, Isaac Earle, Development, Target 1, Cooling, T1 & T2 Expansion Tank Level Warnings Added
|
Mike Mouat and Juan Pon have modified the control system so that the control room will receive a message when the warning or trip level sensors
for the T1 & T2 expansion tanks read "NOT OK". The message also displays the current water height in the tank. This will help
with earlier detection of water leaks from the cooling package or from the target ladder in the vacuum volume when the vacuum interlock has been defeated. |
|