Packing the MagAO-X Table at LCO for Shipment ============================================= This procedure describes how to pack MagAO-X optical table for shipment. Estimated Time to Complete: 2 hrs This document can be downloaded as a PDF: :static:`Instrument Rack Packing at LCO ` Initial Conditions ------------------ - The optical table is in the cleanroom, on the handling cart, fully disconnected from the control electronics. Preparations ------------ - Secure all optics for transport. - Check that all components on table are securely fastened. - Install dessicant. - Shrink-wrap the instrument. - Install the reflective blanket for solar shielding. Prepare the Box. ---------------- - Move the empty box and shipping frame into the unpacking room with the forklift, placing it on 4 furniture dollies. .. image:: figures/box_forking.jpg *The instrument box is brought to the unpacking area with the forklift.* .. image:: figures/box_dollies.jpg *The instrument box being set down on dollies with the fork lift. Note the placement and orientation of the dollies.* - Move the box towards the inside garage door, and stage 4 more dollies to accept the lid. .. image:: figures/box_for_lid_removal.jpg *Box in position to have the lid removed.* - Remove the front panel from the box, place out of the way (e.g. outside). - Remove all bolts holding the lid to the pallet - Place the straight extension on the lifting fixture, and place it in the box-lid position. - Attach the lifting fixture to the lid. - Lift the lid with the crane, and set it down on the dollies. .. image:: figures/lid_off.jpg *Box lid off, on dollies.* - Move the pallet into the cleanroom to make room to maneuver the lid. - Then move the lid out of the way, e.g. outside on the lift. Installing The Instrument On The Frame -------------------------------------- - Move the pallet and frame towards the front of the unpacking room. - Bring the instrument and cart out of the cleanroom. **NOTE: position the cart so that the taller heavier side of the instrument will set down on the side of the frame with the most wire-rope isolators.** - Install the scale between the load spreader and the crane, and place the lifting fixture in the instrument+cart position. - Install the triangle stabilizing rope ratchets, leaving them loose. .. image:: figures/lifting_fixture_install.png *Preparation of the lifting fixture.* - With the crane, carefully position the load spreader over the table. **NOTE: be sure to guide both ends of the load spreader so it does not contact the instrument** - Attach the load spreader to the cart. Two shackles are used to extend the length. The hooks should be placed opening up. .. image:: figures/cart_lift_extensions.jpg *Use two shackles for correct length.* .. image:: figures/cart_hooks_up.png *Hooks must open up on the cart to get the correct length.* - Lift the instrument+cart, which weigh **1920 lbs**, until all 4 wheels are off the ground. If it is out of balance, it will be necessary to manually correct. .. image:: figures/inst_cart_lift.jpg *Lifting the instrument on its cart.* - Adjust the load spread to find the best balance. - Tighten the triangle stabilizing rope ratchets. - With a person on each end stabilizing using the cart handles, lift the instrument to sufficient height to clear the shipping frame. - Carefully roll the pallet and frame under the instrument - Lower the instrument slowly to just touch the frame, but do not unload the crane. .. image:: figures/inst_on_frame.jpg *The instrument on the frame.* - While the instrument is still supported by the crane, start bolts at each corner to guide the instrument down. - Lower the instrument until half the weight is off the crane. - Start all bolts, including installation of the Emerson Clamp base plates. - Fully lower the instrument, such that the crane is still supporting the cart weight of **320 lbs** - Tighten all bolts holding the instrument to the shipping frame. .. image:: figures/bolt_tightening.jpg *Tightening the bolts.* - Remove the 8 bolts holding the cart to the table. - Lower the cart so that it rests on the pallet. .. image:: figures/cart_on_pallet.jpg *The cart lowered onto the pallet.* - Disassemble the cart, moving the pieces to storage area. - Install the Emerson Clamps. - Arm all drop-n-tells, and install the data loggers. Install the Lid and Door ------------------------ - Move the pallet and instrument on the dollies back into the cleanroom to make space for the lid - Bring the lid back into the unpacking area and position it to be lifted on. The open side goes towards the MagAO-X label on the instrument. - Put the load spreader back in the position to balance the lid, and attach it with the crane to the lid. - Lift the lid, and roll the instrument under the box. - Set the lid down on the pallet .. image:: figures/inst_inside_box.jpg *MagAO-X on the shipping frame inside the box.* - Install the bolts along the bottom of the lid, securing it to the pallet. - Bring the front door panel back inside, and lift it into position. - Bolt the lid on. - Remove the lifting eyes from the box lid and stow them on the lower left insspection panel.