Metrohm 940 Professional IC Vario ONE/ChS/LPG - Manual (Page 87)

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5 Operation and maintenance
940 Professional IC Vario ONE/ChS/LPG (2.940.1250)
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Inserting a new filter
1 Inserting a new filter
￭ Place the new filter flat in the filter housing (22-1) using tweezers.
2 Mounting the filter screw
￭ Screw the filter screw (22-2) back into the filter housing (22-1)
and tighten by hand. Then use two adjustable wrenches
(6.2621.000) to tighten it slightly.
3 Remounting the inline filter
￭ Screw pressure screws back onto the inline filter.
4 Rinsing the inline filter
￭ Dismantle the guard column (if present) and the separation col-
umn and replace with a coupling (6.2744.040).
￭ Rinse the instrument with eluent.
￭ Reinsert the columns after 10 minutes.