QIAcube HT User Manual 12/2017 5-195.6.1 Assembly for calibrationThe following figure illustrates the assembly of the vacuum chamber for calibration.Loading worktable position A11. Insert the channeling block holder (2) into the left (waste) chamber of the vacuum chamber (1).2. Push it firmly downwards to engage the outlet into the drain. The channeling block holder (2) is held firmly in place bya rubber O-ring on the outlet.3. Place the channeling block (3) into the channeling block holder (2).