The dump useful is the tool you need to rotate 90 degrees OSIRIS from its position of integration into position in Nasmyth focus, and integrate it into the rotator of the telescope. This item has recently passed the acceptance tests ASTURFEITO (CarreƱo, Asturias).
In order to increase the hold-time the cryostat has worked in isolation LN2 tank. In Images can see the insulating screens integrated into the front cover (side detector) of the cryostat. In the same way it has been assembled a screen cap.