Otto Bock Xeno Service Manual page 24

Figure 12 Unlock the battery case and pull it out
2. Remove the cover (on models without lighting)
3. Pull out the fuse (see Section 6.2).
4. Disconnect all battery cables.
Figure 13 Disconnect cables
5. Lift out the batteries by the handles and replace if required.
Properly reassemble all components upon completion of the work.
Figure 14 Release mechanism engaged
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