 1 Marc McMullen installs the last supermodule on the storage rack |
 2 Marc McMullen clamping and tightening frame screws |
 3 Marc McMullen measuring lead glass assembly |
 4 Marc McMullen releasing spring plates from the front flange |
 5 Wrapping foil on light-guide |
 6 Wrapping foil on assembled super-module |
 7 Tyler Lemon cutting springs |
 8 Tyler Lemon checking alignment during super-module's end-plate installation |
 9 Tightening chassis back-plate screws |
 10 Tightening back-plate screws |
 11 Taping foil |
 12 Super-modules bottom plate support with springs attached |
 13 Super-module |
 14 Super-module's support frame with end-plate attached |
 15 Super-module's lead-glass blocks wrapped in copper-foil |
 16 Super-module structural components engineering drawing |
 17 Super-module end-plate installation |
 18 Super-module end-plate installation |
 19 Super-module being assembled |
 20 Super-module's support frame |
 21 Springs |
 22 Spring-plate |
 23 Pablo Campero cutting spring |
 24 Pablo Campero assembling frame |
 25 Pablo Campero and Tyler Lemon tightening screws on end-plate of assembly jig |
 26 Pablo Campero and Tyler Lemon removing plate from in between end-plates |
 27 Pablo Campero and Tyler Lemon positioning assembly jig |
 28 Pablo Campero and Tyler Lemon checking allignment of lead-glass blocks |
 29 Modules in chassis front-view |
 30 Modules in chasis back-view |
 31 Mindy Leffel making final adjustments to set screws |
 32 Mindy Leffel loosening chassis cover-plate |
 33 Mindy Leffel inserting module into support frame |
 34 Mindy Leffel inserting end-plate with springs |
 35 Mindy Leffel cleaning spring-plates |
 36 Mindy Leffel assembling super-module |
 37 Mindy Leffel assembling lead-blocks in super-module |
 38 Mindy Leffel adjusting height of set screw |
 39 Loosening chassis back-plate screws |
 40 Light guide wrapped in foil |
 41 Installing end-plate screws |
 42 inserting spring-plate |
 43 Inserting spring-plate |
 44 Inserting screws |
 45 Gluing springs to spring-plates |
 46 Gluing spring-plates to end-plate |
 47 Gluing spring-plates to end-plate |
 48 Fixture to glue lead-glass blocks to light-guide |
 49 End-plate, spring-plates, and springs |
 50 ECAL super-modules assembly diagram |
 51 DSG working on Hall A ECAL |
 52 Cutting springs |
 53 Cutting Aluminum foil to wrap light guides |
 54 Cleaning springs |
 55 Cleaning spring-plates |
 56 Cleaning light-guide |
 57 Assembly jig |
 58 Aligning modules with clamp |
 59 George Jacobs installing screws in frame sides |
 60 George Jacobs loading the SM frame |
 61 George Jacobs positioning flange 1 in frame jig |
 62 Mindy Leffel_cutting foil to wrap lightguides |
