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5 Operation and maintenance
942 Extension Module Vario ChS-PP (2.942.0300)
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39
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out of the housing together with
the rotor
.
If the rotor gets stuck in the housing, you can push it out as fol-
lows:
Put a pointed object into the slot in the housing and use it to
push out the rotor.
■
Loosen the connecting piece from the rotor with a turning move-
ment.
3 Rinsing the capillaries
■
Connect each of the six PTFE capillaries connected to the connect-
ing piece
in sequential order to the high-pressure pump
and pump ultrapure water through them.
■
Check whether water comes out at the connecting piece.
If one of the capillaries remains blocked, the connecting piece
"Replacing parts of the Metrohm Suppressor Module (MSM)", page
41)
must be replaced (order number 6.2835.010).
4 Cleaning the rotor
■
Clean the sealing surface of the rotor
with ethanol using a
lint-free cloth.
5 Inserting the rotor
CAUTION
The rotor may be destroyed during start-up if it is not inserted cor-
rectly.
4 mm
■
Insert the rotor
the tubing connections on the rear of the rotor fit into the corre-
sponding recesses inside the housing and one of the three holes
of the rotor is visible from below in the slot of the housing
.