Reconfigured TM2 gas line on the module top. It matches with the febiad gas line we are using on service tray now. Facing the module, both of them should be that right side line of two SST lines on feed-through. The gas line on TM2 was leak checked with a blind cap installed on service tray side and LD connected on module top this Tuesday. It is leak free with helium spray on the top of module and service tray.

Isaac and Chad disengaged the slave end of the manipulator and performed a slave removal through the slave removal roof hatch. This is part of investigation into a 'Z' motion tape that is "rubbing" on its drum on the master side of the manipulator during manual 'Z' retraction of 'Z' extension.

This also was the first test of the concept of removing the manipulator slave through the manipulator hatch that was built into the roof.

The lifting bail on the slave end of the manipulator was not centered to the hatch as per design but this did not compromise the procedure at all and the procedure otherwise followed the design intent.

Pictures can be located on Docushare  http://documants.triumf.ca/docushare/dsweb/View/Collection-20157

The spent Ta#51 target has been moved from the south hot cell to the spent target vault. It was placed in pail#149 and put in spot 8B of the vault.

The ISAC Target Hall Crane was load tested and re-certified in January 2011 prior to doing a near-capacity lift for the North Hot Cell roof structure (IRH1112E).

Photos and documentation from Norelco is attached.

- Grant

Yasmine and I connected TM2 in ITW today. the control page is set to febiad mode. Both gas line in ITW are opened for febiad run. All connections are double checked. Module connection checklist is finished.  All turbo pumps are started now. Everything is good so far. The TM2 is ready for conditioning when the ITW vacuum is good enough.

The North Hot Cell inlet ducting assembly was installed today in the target hall at the north end of the NHC roof block.  A small section of the perforated aluminum sheet on the TCS cage had to be trimmed for the assembly to fit (see IMG_0214).  At each end of the assembly it was fastened to the roof structure using a 1/4"-20 tapped hole in the steel roof, and a 1/4"-20 anchor in the north wall of the target hall.  The base flange of the assembly was sealed to the roof structure and TH wall using Sikaflex 1A polyurethane sealant on all sides.

Update TH MS project schedule. See attachment 1,2.

The in cell airline has preemptively been replaced. The hose was, as far as I know the original.

Gordon crane technician Peter came in today and checked TH crane. Maico and I were there with him. What he found is that brake gap on both side of main hoist decreased after months of using.  The solution is to lock the automatic self adjustment system so the gap will be fixed there. Each year during annual inspection, they will adjust the gap manually. After he locked both side of device, I tested the crane up and down couple of times. The brakes work fine. 

 The North Hot Cell module support flange (IRH1152D) was installed on June 21, 2017 using 1/8" rubber sheet as a sealing gasket.  The rubber was glued at the seams with Loctite 495 instant adhesive.  Cameras with all required wiring and connectors were installed on the mounting bars (IGN0325D) and then aligned to provide the same view as at other module installation locations in the target hall.  A cable with 5 video signals, and a camera power cable was routed from the south wall in the target hall (where video line connections are), to the panduit on the north wall.  An additional section of cable will be installed to link to the flange cameras after cable covers are installed on the floor.

Turbo -pumps are started . The vacuum looks good so far.

John Chow and I installed new TCS HV cable and feed through with their mounting panel back to TCS Faraday cage this Tuesday. ECO-4269 has been issued for the new cable feed through and mounting panel.

 Installation of new flow sensors and transmitters for the NHC and SHC duct lines was completed in the target hall today.  The sensors are Dwyer DS-300-8 in-line sensors for 8" pipe; The transmitters are Dwyer MS0121 magnesense differential transmitters with 4-20mA output.  The transmitters will be wired to the new PLC control system when the upgrade is done.

The NHC right side manipulator was evaluated today to check if operation was normal through all ranges of motion.  The manipulator was first moved through usual motions without the electric motion drives: the feel was fairly normal, a sound could be heard from the master side Z motion tapes rubbing on the sides of the pulleys, this problem had been identified a few weeks ago however it was significantly reduced since the master side upper and lower Z motion tapes were tensioned yesterday (using CRL repair manual)

The Y motion drive was then tested:  with the master arm close to the window we attempted to move the slave arm close to the slave side window using the Y motion drive; part way through travel the arm stopped moving and would not move any further towards the window.  At this point it was approximately 1 foot from the slave side window.  (I recall that when the manipulator was installed in the wall it was difficult to get the slave end fully horizontal, the arm would travel part way, then stop for seemingly no reason.  Eventually after multiple attempts I got it to reach the horizontal position)

The Z motion was then tested.  The slave end was moved to the fully extended position.  At this point when the Z drive was continued downwards the master side moved up.  Once it reached the upper limit the drive continued which caused the Z motion tape on the slave end to snap.  At this point testing was stopped.

Our plan is to assemble and test the left side manipulator after the manipulator handling cart repair is completed.  If the left side has the same problems it is likely a manufacturer defect.  If not, the problems with the right side may be due to a timing error introduced when we removed the slave end to fit the assembly and cart through the roof hatch from the ISAC-1 experimental hall.  In either case we plan to have  CRL technician come in to address the issues and tune-up both arms before use.

A  hydraulic leak was found on the manipulator  install and repair cart, upon further investigation the cause was a faulty cylinder. Once the cylinder was removed and disassembled the inner bore was found to be scored beyond repair. Another point of interest was that the rod was painted to the point that when retracted it compromised the rod seal causing the cylinder to leak. attached are photos outlining the issues. new cylinders are being sourced and will be installed upon arrival. We have found that there is interaction between the tops of the cylinders and the bed of the cart when fully retracted and compressed, this might require some modifications to ensure proper operation in the future.

Prepare for TM4 move tomorrow morning.

The target hall has been locked-out as per Document-70039.

Forced IG1, IG1S and IG2 to switch on BIAS power supply

Wednesday, July 12, 2017, 11:53: 70 kV at 0.16 mA

2 sparks observed shortly after 70 kV was reached

Wednesday, July 12, 2017, 12:59: No sparks for the last hour.

BIAS power supply off. Forces removed.

 Earlier in the day it was noted that the rotate function of the crane had creased operation. After David has finished the block moves. Don and I checked the Crane's control unit in the ISAC crane control room and found the breaker tripped for the rotation. The breaker was reset and the crane's rotation is now operational. If this occurs in the future only Travis Cave, Don Jackson or a TRIUMF Electrician are allowed in that control box as it is a 480Volt system. Don or I because we know what we are looking for and the Electrician because they are allowed to touch with and deal 480 V systems. 

Tm2 was disconnected in ITW yesterday. ITW EL cable crimp ring was broken. John Chow replaced this ring this afternoon.

HS line is leak checked at SHC this afternoon by helium spay.  Leak detector base LR 0.0 XE-9atm.cc/sec. Base pressure 0.0Xe-4 torr. No leak has been found. This line will be helium pressured  at TCS. It had  a 1.7XE-7 atm.cc/sec leak rate on 70 psi helium at TCS  during last two target  checks.

 2017-08-03. Helium pressure test on TM2 HS line at TCS is done. 70psi helium, 3 minutes. base leak rate 0.0xE-7 atm.cc/sec. Result: 1.8XE-7atm.cc/sec leak which is almost same as before. This line has a very small leak on water block seal under helium pressure test  which we knew already.