Autosampler; Maintenance Positions - Agilent Technologies 1220 Infinity II LC User Manual

9
Test Functions and Calibration

Autosampler

Autosampler

Maintenance Positions

Change Needle
The Change Needle function moves the safety flap out of position, and positions
the needle for easy exchange and alignment.
Start
Up
Down
End
Change Piston
The Change Piston function draws the piston away from the home position,
relieving the tension on the spring. In this position, the analytical head
assembly can be removed and reinstalled easily after maintenance.
Start
End
Change Gripper
The Change Gripper function moves the gripper to the front of the autosampler
enabling easy access to the gripper release mechanism.
154
moves the safety flap away from the needle,
and positions the needle approximately 15 mm
above the needle seat.
moves the needle arm up stepwise.
moves the needle arm down stepwise. The
lowest position is used to align the needle at
the correct position in the needle arm.
repositions the safety flap around the needle.
draws the piston away from the home position,
relieving the tension on the spring.
repositions the piston at the home position.
1220 Infinity II LC System User Manual