Metrohm 850 Professional IC Anion MCS Prep 3 - Manual (Page 109)

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4 Operation and maintenance
850 Professional IC –Anion – MCS – Prep 3
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1 2 3
Figure 53 Pump tubing connection – Changing the filter
1 Tubing olive 2 Filter 6.2821.130
Packaging contains 10 items.
3 Filter housing
Replacing the filter
1 Unscrewing filter screw
￭ Screw the filter screw (53-3) out of the tubing olive (53-1) with
the aid of two 6.2621.000 adjustable wrenches.
2 Replacing the filter
￭ Remove the old filter (53-2) with tweezers.
￭ Place the new filter (53-2) flat in the tubing olive (53-1) with
tweezers.
3 Mounting filter screw
￭ Screw the filter screw (53-3) back into the tubing olive (53-1) and
tighten by hand. Then additionally tighten with two 6.2621.000
adjustable wrenches.
4.12 Injection valve
4.12.1 Protection
To prevent contamination of the injection valve, a 6.2821.120 inline filter
(see Chapter 2.11, page 36) should be mounted between the high pres-
sure pump and the pulsation damper.