Waters ACQUITY UPLC Operator's, Overview And Maintenance Manual page 104

4. Disconnect the column inlet, active preheater, or column stabilizer
tubing from injector port 6 of the sample manager.
5. Disconnect the column-outlet PEEK tubing from the detector inlet.
6. Remove any solvent tubing routed behind the column heater door.
7. Power-off the sample manager, and detach the leak sensor connector
from the front of the column heater.
8. Remove the TORX screw from the right-hand side of the column heater,
just behind the eCord receptacle.
100
Location of column, active
preheater, or
column-stabilizer-inlet tubing
TORX screw
eCord receptacle