Agilent InfinityLab LC Series Vialsamplers User Manual 236
8Maintenance
Exchange the Needle Seat Assembly
The use of a Vespel needle seat (G7129-87112 and G7129-87117) limits the
maximum system pressure to 600 bar.
1 In the Agilent Lab Advisor software select Service &
Diagnostics> Maintenance Positions> Change Needle,
Loop and Seat, click Start and wait until the needle
assembly is in maintenance position.
OR
In the Local Controller start the maintenance mode and
select Change Needle, Loop and Seat function.
2 Open the doors of the module.
3 Loosen the safety cover screw.
Sharp needle
Uncovered needles may cause injuries
Do not touch the tip of the needle.
4 Remove the safety cover.
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