Metrohm 2.850.2230, Manual, Page: 55 / 150

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3 Installation
850 Professional IC–Anion – MSM-HC – MCS – LP Gradient
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45
5
1
2
6
7
5
3
4
5
Figure 23 Deaerating the high pressure pump
1 Syringe 10 mL 6.2816.020
For aspirating the eluent.
2 Luer connector
On purging needle.
3
Purging needle 6.2816.040
4
Deaerating capillary
5 PEEK pressure screws, short
6.2744.070 6 Purge valve
7 Purge valve rotary knob
1 Connecting the purging needle
￭
Push the end of the purging needle (23- 3 ) over the end of the
deaerating capillary (23- 4 ) on the purge valve.
2 Connecting the syringe
￭
Insert syringe (23- 1 ) in the Luer connector (23- 2 ) of the purging
needle (see Figure 23, page 45) .
3 Opening purge valve
￭
Open the rotary knob (23- 7 ) by approx.
½
rotation counterclock-
wise.
4 Setting the flow rate
￭
Start MagIC Net (if not yet started).
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Ensure that the eluent aspiration tubing is immersed sufficiently in
the eluent.
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Let the high pressure pump run.