From 55786f06e028c76f1463e3e9bd1c77f98217a185 Mon Sep 17 00:00:00 2001 From: Jared Males Date: Sat, 25 May 2024 03:46:06 -0400 Subject: [PATCH] updated telescope removal --- handling/telescope_removal.rst | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/handling/telescope_removal.rst b/handling/telescope_removal.rst index b77fec7..7005ce4 100644 --- a/handling/telescope_removal.rst +++ b/handling/telescope_removal.rst @@ -32,7 +32,7 @@ Shutdown - Remove all cables - - See detailed procedure for removing 2K DM cables + - See detailed procedure for removing MEMS DM cables - Electronics Rack @@ -42,9 +42,11 @@ Shutdown - Instrument + - Install window cover - Remove eyepiece - Remove bumpers and pusher hardware - Remove air connection + - Remove the PEPS II - Tape over any exposed holes (from cables, etc) - Secure any loose cables - Shrink wrap the instrument @@ -67,7 +69,7 @@ Rig Onto Cart - **CAUTION:** be careful to not bump the legs with the cart -- Ensure that the 8 large bolts on the cart are snug but not tight +- The 8 large bolts on the cart should just be touching the washers, but the washers should still spin. - Attach the lifting wire-harness to each side of the cart @@ -84,14 +86,14 @@ Rig Onto Cart - Lift the load spreader, and position it over the instrument - Being careful to not bump the instrument, lower the load spreader - and attach the lifting harness D rings. Use 3x shackles to extend the + and attach the lifting harness D rings. Use 4x shackles to extend the length to reach the cart on the floor. .. image:: figures/cart_lift_extensions.jpg *Lifting harnesses attached with shackle extensions* -- Position a person at each corner of the cart +- Position a person at each end of the cart **CAUTION:** Do not allow the cart to bump the legs or the table uncontrolled @@ -107,15 +109,14 @@ Rig Onto Cart on the cart as needed to adjust. - Once the cart is bolted to the table bottom, while **320 lbs** is - still on the crane, tighten all cart bolts. Do not over-tighten, make + still on the crane, tighten all cart bolts. Do not over-tighten: make 1/4 turn after the washers are no longer free. This is to avoid excessive stress on the table. -- Install the triangle stabilizing ropes between the crane hook and - - Reposition the load spreader center to the instrument + cart position marked on it. +- Install the triangle stabilizing ropes between the crane hook and the lifting fixture IAW the below figure. Tighten, but do not cause them to pick the load. @@ -179,6 +180,8 @@ Transport MagAO-X To The Clean room - Next, using the come-along, carefully move MagAO-X onto the lift gate. +- Move MagAO-X into the cleanroom. + - Return to the top with the flatbed and move the legs to the cleanroom. @@ -223,8 +226,8 @@ Transport Electronics Remove AOC from Control Room ---------------------------- -- power down AOC +- power down AOC and COC - remove monitors and pack -- move AOC to cleanroom. +- move AOC and COC to cleanroom.