
1100 Series Capillary LC System Manual 147
Options 6
Removing the Micro Column Switching Valve
When required If valve failed or bottom foam part has to be removed for other replacements
Tools re quired Screwdriver Pozidriv 1 PT3
Wrench 5.5 mm for capillary connections
Preparations for this procedure:
• Turn off the column compartment.
• Disconnect the power cable.
• Disconnect capillaries.
• Remove column compartment from stack and place it
on the working bench.
• Remove the front cover, top cover and top foam
section.
1 Disconnect the grounding connection of the valve
at the Z-panel.
2 Unscrew the Z-panel. 3 Press against the rear of the Z-panel to release the
metal plate from the guide and pull it carefully
upwards.
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