Superconducting MQXFA Magnet Preparation MDC No. AUP-320 Rev: A Page 1 of 9 Magnet Division for Shipping Rev Date: H. Hocker Author: Approved: Head, Project Mechanical Engineering M. Anerella Head, Technical Support R. Ceruti 07/17/2018 Quality Assurance H. Hocker Electrical Systems P. Joshi 07/13/2018 Design Engineering P. Kovach Cognizant Physicist J. Muratore ES&H Coordinator M. Samms Project Engineer - Mechanical J. Schmalzle P/L Serial No Part No Part P/L ECN Rev ECN Rev P/L Work Order #: __________________________ Deviation & Waiver: ______________________ Description Name/Life # Date DR OP 10 The technicians shall be instructed by their cognizant technical supervisor in the operation of the required electrical test equipment and the electrical testing procedures. 20 "Hipot ("Hypot") and impulse testing pose an electrical hazard. At least two properly trained technicians must be present to perform this testing. When testing, a trained technician shall be stationed at any point where the item under test is accessible to unauthorized people, and barriers shall be set up. In the event controlling area cannot be guaranteed, a suitable insulating barrier or cover must be used and approved by Cognizant Engineer P. Joshi or Cognizant Engineer J. Escallier. Signs shall be posted reading "DANGER HIGH VOLTAGE" and warning lights shall be turned on. "NO UNAUTHORIZED PERSONNEL ALLOWED DURING HI POT TESTING. Contact P. Joshi or S. Dimaiuta" 30 All lifting and handling operations requiring overhead crane operations shall be performed by personnel having up to date Material Handling Equipment (or Overhead Crane Operations) qualifications as recorded in the training records within BTMS. Operators shall also be instructed in the use of the appropriate lifting device by the Cognizant Engineer or Technical Supervisor. Hard hats, safety shoes and safety glasses with side shields (or goggles) are required during crane operations.
Superconducting MQXFA Magnet Preparation MDC No. AUP-320 Rev: A Page 2 of 9 Magnet Division for Shipping Rev Date: H. Hocker Author: Approved: Description Name/Life # Date DR OP 40 The technician is responsible for notifying the technical supervisor and/or the cognizant engineer of any discrepancies occurring during the performance of this procedure. All discrepancies shall be identified and reported in accordance with SMD OPM 2.15. Measuring and test equipment used for this procedure shall contain a valid calibration label in accordance with the SBMS Subject Area 'Calibration', where applicable. 50 Required Equipment: 25-2044610 Heat Exchanger Lifting Device 25-2044611 Heat Exchanger Lifting Device 25-2044017 Temporary Support Ring 25-2044620 Tophat Support Bracket Assembly 25-2044600 Spreader Bar 25-2050004 Uprighting Fixture 100 Remove all remaining vent lines, helium supply lines, instrumentation connectors, etc. ____ Vent Line ____ (2) Vapor Cooled Lead Flex Leads ____ (2) Helium Supply Lines ____ NASH Pump Vacuum Line ____ Re-Attach Instrumentation Tree & install connectors 110 Remove the two sets of 25-2044016 copper flex leads from the main VCL's. 120 Remove the (2) 25-2044070 acrylic ice shields & Styrofoam boots from over the main vapor cooled leads, then detach the VCL helium return lines. 130 Remove the 25-2044120 jacketed vent assembly and 25- 2044153 support rod caps. Install the spreader bar 25- 2044600 to the top hat
Superconducting MQXFA Magnet Preparation MDC No. AUP-320 Rev: A Page 3 of 9 Magnet Division for Shipping Rev Date: H. Hocker Author: Approved: Description Name/Life # Date DR OP 140 Remove the top hat to dewar bolts. 150 Lift the magnet out of the dewar until the lambda plate is several inches above the dewar flange. 160 Install 25-2044017 temporary support rings onto dewar using 1/2-13 bolts through dewar flange. NOTE: Bolts shall be installed at locations as noted on tool 170 Lower magnet into dewar until lambda plate contacts the temporary support rings. 180 Install the 2 top hat support bracket assemblies 25-2044620 between the top hat and the temporary support rings. Adjust the leveling feet to ensure contact of the support brackets with the temporary support rings and the top hat. 190 Remove the heat exchanger inlet elbow and dip-tube onto the heat exchanger 200 Remove any remaining wiring and plumbing installation between the top hat and lambda plate. 210 Raise the tophat sufficiently to remove the support bracket assemblies and temporary support rings.
Superconducting MQXFA Magnet Preparation MDC No. AUP-320 Rev: A Page 4 of 9 Magnet Division for Shipping Rev Date: H. Hocker Author: Approved: Description Name/Life # Date DR OP 220 Uninstall warm bore tube 230 Remove 1/4-20 cap screws holding heat exchanger to tophat. Using lifting device 25-2044610 or 25-2044611, lift the 25-2044400 heat exchanger from the top hat to its support on the wiring stand. 240 Lift the magnet from the vertical dewar to the wiring stand using spreader bar 25-2044600. 250 Install magnet in the wiring stand. Place spacers (4x4 blocking or similar) between the wiring stand and the underside of the tophat as required to prevent magnet from contacting the floor of the trench. 260 Disconnect the upper fill tube from its respective solenoid. 270 Disconnect the remaining fill tube connection from its respective solenoid. 280 Remove the lower fill tube, which was temporarily inserted in the magnet. 290 Unhook voltage taps from before and after each splice joint.
Superconducting MQXFA Magnet Preparation MDC No. AUP-320 Rev: A Page 5 of 9 Magnet Division for Shipping Rev Date: H. Hocker Author: Approved: Description Name/Life # Date DR OP 300 Desolder the two coil main leads from the Top Hat leads under the lambda plate. Detach CLIQ leads. 310 Un-mate magnet to lambda plate connectors. 320 Lift support fixture assembly and place on uprighting fixture pivot weldment 25 2050030, engage the pivot pins in the slots of the pivot weldment. Support LE at quarter point so that assembly is level. 330 Lift the LE of the support fixture assembly using the LE hoist ring blocks, spreader bar and overhead crane. Carefully raise and move the crane to bring the support fixture assembly to vertical position. 340 Secure the assembly in the vertical position with the support angles bolted to the table base. 350 Adjust swivel feet to contact floor. 360 Lift the magnet / top hat assembly using spreader bar 25 2044600. Move to the uprighting fixture. 370 Install the coupling nuts 25 2050021 and uprighting end plate 25 2050017 at the bottom of the magnet.
Superconducting MQXFA Magnet Preparation MDC No. AUP-320 Rev: A Page 6 of 9 Magnet Division for Shipping Rev Date: H. Hocker Author: Approved: Description Name/Life # Date DR OP 380 Position the magnet in the uprighting fixture such that the bottom of shell is approximately 3.8" below lowest support cradle. Verify that the longitudinal restraint tabs will engage in shell notches. Orient magnet so that the hanging rods will be in the upper left and lower right holes and the main coil leads will be on the right side as viewed from the lead end (looking toward NLE) when the magnet is horizontal. 390 Turn the lower support assembly bolts to bring them in firm contact with the end plate. 400 Install the fixture retaining rings 25 2050013. 410 Install the longitudinal restraint blocks 25 2050058. 420 Verify magnet is fully constrained in the uprighting fixture and that the fixture is anchored in the upright position. 430 Disconnect the magnet from the lambda plate by removing the 2 pins from the hanging bracket and coupling nuts. 440 Attach slings to the uprighting fixture LE hoist ring blocks. Using spreader bar and overhead crane, take up all slack in the slings. 450 Disconnect the support angles that secure the assembly in the vertical position. Carefully lower and move the crane to bring the support fixture / magnet assembly to horizontal position.
Superconducting MQXFA Magnet Preparation MDC No. AUP-320 Rev: A Page 7 of 9 Magnet Division for Shipping Rev Date: H. Hocker Author: Approved: Description Name/Life # Date DR OP 460 Install the NL hoist ring blocks. 470 Lift support fixture / magnet assembly and set on the floor, with blocking at ¼ points. 480 Remove the helium fill line. 490 Remove coupling nuts 25 2050021 and end plate 25 2050017 from the NL end of magnet. 500 Remove coupling nuts 25 2044219 from the lead end of magnet. 510 Remove lifting rods from the magnet yoke holes. 520 Remove lower support assembly brackets 25 2050050 from the support frame. 530 Remove pivot blocks 25 2050040 from the support frame.
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