Tools required
Screwdriver, Torx T10
Preparations
Move the needle unit into service position.
Remove the insulation cover.
Secure the needle unit.
Turn off the autosampler with its main power switch.
Follow these steps
Slightly loosen the attachment screw with the screwdriver. The screw can remain loosely screwed on the holder of the sample loop unit.
Disconnect the sample loop fitting from the needle unit. Use the torque screwdriver with viper bit for easier access.
Disconnect the sample loop fitting from the injection valve.
Push the sample loop unit slightly upward so that the attachment screw matches the large recess in the sample loop plate. Remove the sample loop unit from the needle unit.