Replacing The Autosampler Needle - Thermo Scientific EASY-nLC 1200 Troubleshooting And Maintenance Manual

Replacing the Autosampler Needle

Thermo Scientific
Replacing the autosampler needle requires these tools and materials:
Tools
• #2 Phillips head screwdriver
1
For the current revision of the autosampler needle (LC302 revision B), a nanoViper fitting replaces the stainless
steel nut.
❖ To remove the autosampler needle from an ASC model autosampler
1. Using a #2 Phillips head screwdriver, make a quarter-turn to loosen the three captive
screws that secure the right side panel to the instrument housing. Then remove the panel.
2. Disconnect the autosampler needle from port 1 of valve S by using the black knurled nut
to unscrew the fitting that secures the autosampler needle to port 1 of valve S.
Note Ensure that the grounding adapters are still kept tight.
Figure 66 shows the solvent line connections to valve S.
Figure 66. Valve S solvent line connections
Column Out line
From the mixing Tee
3. Move the holder to position A1 as follows:
a. Press Home > Overview.
b. Press the Autosampler icon.
The Autosampler dialog box opens.
c. In the XYZ Robot area, select position A1 in the Well box
Replacing the Autosampler Needle
Parts and materials
• Powder-free safety gloves
• ASC autosampler needle, P/N LC302
Autosampler needle
(LC302 revision B)
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Troubleshooting & Maintenance Guide
5
Routine Maintenance
1
From the
pressure sensor
85