Metrohm 930 Compact IC Flex ChS/Deg Manual page 77

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930 Compact IC Flex ChS/Deg (2.930.1260)
4 mm hex key (6.2621.030)
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Mounting the pump head
NOTE
The pump head cannot be mounted the wrong way, as it has fastening
bolts with different bore hole depths, i.e., one fastening bolt is longer
than all others. The bore hole with the greatest depth must therefore
be aligned with the longest bolt.
1 Push the pump head onto the four fastening bolts (1).
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Tighten the four fastening screws using the hex key (6.2621.030)
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alternating crosswise.
5 Operation and maintenance
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