Exchanging The Needle Seat Assembly - Agilent Technologies 1220 Infinity II LC User Manual

11
Maintenance and Repair
Autosampler

Exchanging the Needle Seat Assembly

When When the seat is visibly damaged
When the seat capillary is blocked
Tools required Description
Wrench, 1/4 inch (supplied in HPLC Tool-Kit)
Screwdriver, flat-head
Parts required #
1
Preparations • Select Start in the Tools function in LMD Software Change Needle
• Remove the upper front cover.
• Use the Needle Up command in the Change Needle function to lift the needle an additional
1
Disconnect the seat-capillary fitting from the injection
valve (port 5).
278
p/n Description
G1313-87101 Needle-seat assy (0.17 mm i.d. 2.3 µL)
1 cm.
2
Use a small flat-head screwdriver to ease out the needle
seat.
1220 Infinity II LC System User Manual