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Metrohm 850 Professional IC Anion MSM-HC MCS Prep 2 User Manual

Page 103

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5 Operation and maintenance

850 Professional IC –Anion – MSM-HC – MCS – Prep 2

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93

Changing the filter

The flow must be stopped before changing the filter.

1 Removing the inline filter

Unscrew the pressure screws (48-1) from the inline filter.

2 Unscrewing the filter screw

Screw the filter screw (48-4) out of the filter housing (48-2) with
the aid of two 6.2621.000 adjustable wrenches.

3 Inserting the filter

Remove the old filter (48-3) with tweezers.

Place the new filter (48-3) flat in the filter housing with tweezers
(48-2).

4 Mounting filter screw

Screw the filter screw (48-4) back into the filter housing (48-2)
and tighten by hand. Then additionally tighten slightly with two
6.2621.000 adjustable wrenches.

5 Remounting the inline filter

Screw the pressure screws (48-1) 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.