Hella Gutmann SEG V Manual Del Usuario página 150

9. | General information:
To readjust the column guidance, use an Allen key with width SW 6 for the opening.
9.2.1. Replacing the 9-V Monobloc Battery
Proceed as follows to replace the 9 V block battery:
1. Switch off the device and remove all connecting cables.
2. Remove the 4 screws from the battery compartment cover.
3. Pull out the 9 V block battery.
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Hella Gutmann
SEG V