Sea-Bird Scientific SUBMERSIBLEBATTERYPACKS, User Manual

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6. Remove the retaining nut.
The printed circuit board (PCB) will rise because of the battery spring contacts.
7. Remove the PCB by the handle. Make sure not to pull on the electrical wiring. Make
sure the battery contacts on the PCB are clean.
8. Remove the batteries from the pressure housing.
9. Follow local regulations to recycle the batteries.
10. Make sure that the O-rings are pristine. Replace them if there is any question.
11. Insert new cells. Make sure that the positive tabs face up.
Operation and maintenance
6