Metrohm 850 Professional IC Anion MCS Prep 3 - Manual (Page 113)

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4 Operation and maintenance
850 Professional IC –Anion – MCS – Prep 3
￭￭￭￭￭￭￭￭ 103
￭ Detach the MSM connecting piece (54-2) from MSM rotor A
(54-3).
3 Cleaning the supply and discharge lines
￭ Connect in turn each of the 6 capillary tubings fastened on the
MSM connecting piece (54-2) on the high pressure pump (see
Chapter 2.10, page 31) and pump through ultra pure water.
￭ Check whether solution emerges at the MSM connecting piece
(54-2). If one of the supply or discharge lines remained blocked,
the SPM connecting piece (54-2) must be replaced (order number
6.2832.010).
4 Cleaning the MSM rotor A
￭ Clean sealing surface of the MSM rotor A (54-3) with ethanol
using a lint-free cloth.
5 Inserting the MSM rotor A
Caution
An incorrectly inserted MSM rotor A (54-3) can be destroyed
during start-up.
￭ Insert the MSM rotor A (54-3) into the MSM housing (54-4) in
such a way that the tubing connections on the rear of MSM rotor
A fit into the corresponding recesses inside the MSM housing and
one of the three holes of the MSM rotor A is visible from below in
the slot of the MSM housing (54-5).
￭ If the MSM rotor A (54-3) is correctly inserted, its sealing area will
be approx. 4 mm within the MSM housing (54-4). If this is not the
case, MSM rotor A must be moved into the right position from
below using a sharp object (e.g. screwdriver).
6 Cleaning the MSM connecting piece
￭ Clean sealing surface of the MSM connecting piece (54-2) with
ethanol using a lint-free cloth.
7 Inserting the MSM connecting piece
￭ Insert the MSM conencting piece (54-2) into the MSM housing
(54-4) in such a way that the connector 1 is on top and the three
pins of the MSM connecting piece fit into the corresponding
recesses on the MSM housing (54-4).