Agilent 1260 Infinity II Preparative Autosampler User Manual 161
Maintenance
9
Exchange the Needle Seat Assembly
7
Disconnect the sample loop from the needle.
8
Loosen the fixing screw.
9
Lift out the needle.
10
Disconnect the seat-capillary fitting from the injection
valve (port 5).
11
Use a small flat-head screwdriver to ease out the needle
seat.
12
Insert the new needle-seat assembly. Press the seat
firmly into position.