 Wednesday, October 24, 2012, 17:38, Isaac Earle, Repair, Target 2, Target, T1 & T2 Target Ladder Control System Status
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During the recent shutdown for the T2/M9 joint repair Graham Waters replaced the corrupted application code on the controller RAM disk. The
T1 target position control is now functioning properly. T2 target position control is still not operational due to an electronics problem within
the motor driver. The T2 ladder position may still be moved using the portable control box. The T2 target ladder was moved to position 3 (10cm |
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Tuesday, November 13, 2012, 16:26, Isaac Earle, Repair, Target 1, Target, Manipulator Repair Complete
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Repair of the west side manipulator in the west hot cell was completed today. Part of the repair was done by entering the hot cell using
double tank suits and supplied air. The repair was then completed on the master side of the manipulator. The manipulator is now operating smoothly.
Two sales representatives from Central Research Labs visited TRIUMF today as they were already in Vancouver on other business. I showed them |
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Monday, December 10, 2012, 15:42, Isaac Earle, Maintenance, Target 1, Target, T1-MK2 Target Maintenance
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- T1-MK2 target moved from storage pit to hot cell
- Removed unused proximity sensor and associated wiring (stored in tool-port boot box cabinet)
- Tested profile monitor actuation: seems stiff, but moves ok; start travel @ 30psi, fully in position @ 50psi |
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Tuesday, January 08, 2013, 09:27, Isaac Earle, Standard Operation, Target 2, Target, BL1A Air Amplifier turned off for duration of shutdown.
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The BL1A air amplifier has been shut down by closing the air supply valve on the device. The
air amplifier supplies high pressure air (110psi) to the following devices: M9BB, M20BB, T1 Profile Monitor, T2 Profile Monitor, T2 Collimator, Septum
Polarity Switch |
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Tuesday, January 08, 2013, 10:52, Isaac Earle, Maintenance, Target 2, Target, T2-MK1 Target Maintenance
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- T2-MK1 target transported from storage pit to hot cell
- Proximity sensor removed
- Target lift "T" removed, painted, relabeled |
Friday, January 11, 2013, 15:48, Isaac Earle, Standard Operation, Target 1, Target, BL1A Tunnel Accessed 
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The BL1A tunnel was accessed to drain and sample T2 cooling package water. A puddle of water was noticed in the South TNF area around the
drain by the boot-box. No water was found in the BL1A tunnel. Photos attached. |
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Monday, January 14, 2013, 16:55, Isaac Earle, Standard Operation, Target 2, Target, Target Move & Damaged Profile Monitor
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The T2-MK1 target (spare T2 target) was transported from the hot cell to the storage pit today.
While the flask was being aligned to the storage pit locating pins, the base of the flask bumped the top of one of the alignment pins. This
was caused by a slight misalignment between the flask locating hole and the alignment pin at the moment when the flask was lowered. This caused the |
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Monday, January 21, 2013, 11:57, Isaac Earle, Repair, Target 2, Target, Flask Repair
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On January 15th, when attempting to move the T2 target from the beam line to the hot cell, the latch mechanism on the flask did not actuate and
the target could not be lifted from the beam line.
On January 16th the flask was placed on blocks (IMG_0818) (while remaining attached to the crane) in the RH hot cell lab for inspection. The |
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Monday, January 21, 2013, 16:18, Isaac Earle, Standard Operation, Target 2, Target, T2 Cooling Package Water Released
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The T2 cooling package water was drained to the BL1A active sump, refilled, cycled, and drained again. Samples of T2 cooling package active water
was given to RPG, tested, and approved for release.
On January 21 at approximately 4pm the full volume of the sump (280L) was released to the city sewer. |
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Tuesday, February 05, 2013, 09:50, Isaac Earle, Maintenance, Target 2, Target, T2-MK2 target moved from beam line to hot cell
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The T2-MK2 target was transported from the beam line to the RH hot cell. The profile monitor was secured in the 'in' position before lifting the
target, as it is better protected in this configuration. This procedure will be used for all future target moves to reduce the risk of damage to
the monitor. |
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Monday, March 18, 2013, 15:17, Isaac Earle, Maintenance, Target 2, Target, T2-MK2 Target Maintenance and Re-Wiring
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- T2-MK2 target moved from beamline to hot cell (Feb 4th)
- Steel target support shield installed as well as ~3 layers of lead blankets. Even with this extra shielding fields in the working area were
as high as 800µSv/hr. |
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Tuesday, March 26, 2013, 10:55, Isaac Earle, Maintenance, Target 1, Target, T1-MK1 Re-wiring and MRO Complete
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The following work was performed on the T1-MK1 target:
- Unused proximity sensor removed
- Lift flange removed, painted, relabeled |
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Tuesday, April 09, 2013, 17:06, Isaac Earle, Repair, Target 1, Target, T1 Target Electronics Check
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The T1-MK1 target protect and profile monitor electronics were 'blip' tested by Bill Rawnsley on April 5, 2013. The response from the profile monitor
appeared normal, however the protect monitor response was very weak. After various debugging it was found that the 9 pin connector on the target
on the vacuum side of the vacuum flange had become disconnected from the vacuum flange feed-through. It is suspected that this happened while changing |
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Wednesday, April 17, 2013, 16:43, Isaac Earle, Standard Operation, Target 2, Target, T2 target installed; Vacuum leak-tight; Monitors OK; T2 ready for beam
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The T2-MK2 target was transferred from the storage pit to the beam line yesterday (April 16th). The field was measured to be approximately 165mSv/hr
at 0.5m from the target ladder (after approximately 5 months of cool down time). Vacuum was started this morning and has pumped down normally (1ACG4
at 11mTorr after ~5 hours) indicating that the target is leak tight. |
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Wednesday, April 17, 2013, 16:45, Isaac Earle, Standard Operation, Target 1, Target, T1-MK1 Target Leak Checked
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| The T1-MK1 target was leak checked on April 15th at the T1 monolith by Ron Kuramoto and Edi Dalla Valle. No leaks were found. |
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Tuesday, May 14, 2013, 13:26, Isaac Earle, Development, Target 1, Target, T1 & T2 Profile Scan
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The T1 and T2 profile monitors were used during today's development shift. Target ladder movement for T1 was done at the panel on the mezzanine,
for T2 the portable control box was used. Both monitors actuated properly and the scans did not show any "missing" wires. The profiles
at both targets were found to be too broad and were adjusted to span 2 wires horizontally and 6-7 wires vertically (Yi-Nong Rao). |
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Friday, May 31, 2013, 16:07, Isaac Earle, Repair, Target 1, Target, Power Supply Fan Failure
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Today (May 31, 2013) I was contacted regarding a burning smell and high temperatures around the T1/T2 controls racks. Erwin Klassen, Bill
Rawnsley, Graham Waters and myself investigated and found that the cooling fans for two power supplies on the T1/T2 control racks had failed and both units
were warm to the touch. The power supplies are labeled "T1 Power Supply" and "T2 Power Supply" in racks 1-F and 1-A respectively. |
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Tuesday, June 04, 2013, 13:42, Isaac Earle, Repair, Target 1, Target, T1 and T2 Power Supply Fans Replaced
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Replacement of the power supply fans for the T1 Power Supply, T2 Power Supply, as well as an additional power supply in rack 1A was completed this
morning. The boxes were blown out with air to remove dirt and dust. The inside of all boxes were inspected and no evidence of melting or burning
was found. |
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Tuesday, November 12, 2013, 11:49, Isaac Earle, Repair, Target 1, Target, MH Hot Cell Lab Manipulator Overhaul
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Complete overhaul of all manipulators in the Remote Handling Hot Cell Lab in the Meson Hall was performed by Peter Dudley from Central Research
Laboratories between October 28 - November 8th. Overhaul included replacing all tapes and cables, disassembling, cleaning, lubricating, and rebuilding
the master and slave wrist assemblies, adjusting motion locks, and other repairs/maintenance as required. All 6 manipulator arms in the lab are now |
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Saturday, November 23, 2013, 18:37, Isaac Earle, Repair, Target 2, Target, T2-MK1 Installation
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- T2-MK1 target transported from the storage area by Isaac and Grant and installed at the T2 monolith. All services were connected. Storage
pit covered.
- Edi began pumping approximately 10am, and was not able to pump below ~20 Torr. Dimo came in to assist. |
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