Metrohm 930 Compact IC Flex SeS User Manual

Page 71

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5 Operation and maintenance

930 Compact IC Flex SeS (2.930.1400)

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63

NOTE

The maximum treatment time in an ultrasonic bath is 20 s. Ultra-
sonic baths that last longer than this can damage the ruby ball
inside the valve.

The inlet valve has to be replaced if it remains clogged after the ultra-
sonic bath.

3 Reinserting the inlet valve into the pump head

Insert the inlet valve into the inlet valve holder (the seal must be
visible) (1).

Screw the inlet valve holder up into the pump head (2) and
tighten it in place using the adjustable wrench (3).

Removing the pump head

Accessories

For this step you need the following accessories:

You can find these parts in the accessory kit: Vario/Flex Basic
(6.5000.000).

4 mm hex key (6.2621.030)

Removing the pump head

Prerequisites:

Is the high-pressure pump switched off?

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