Metrohm 850 Professional IC Anion MSM-HC - LP-Gradient - Manual (Page 92)

5.6 Inline filter
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850 Professional IC Anion MSM-HC LP Gradient
Changing the filter
The flow must be stopped before changing the filter.
1 Removing the inline filter
￭ Unscrew the pressure screws (43-1) from the inline filter.
2 Unscrewing the filter screw
￭ Screw the filter screw (43-4) out of the filter housing (43-2) with
the aid of two 6.2621.000 adjustable wrenches.
3 Inserting the filter
￭ Remove the old filter (43-3) with tweezers.
￭ Place the new filter (43-3) flat in the filter housing with tweezers
(43-2).
4 Mounting filter screw
￭ Screw the filter screw (43-4) back into the filter housing (43-2)
and tighten by hand. Then additionally tighten slightly with two
6.2621.000 adjustable wrenches.
5 Remounting the inline filter
￭ Screw the pressure screws (43-1) back onto the inline filter.
6 Rinsing the inline filter
￭ Dismantle the guard column (if present) and the separation col-
umn and replace with a 6.2744.040 coupling.
￭ Rinse the instrument with eluent.