What you need
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To open the case, use the charging station to twist the bottom cover of the toothbrush around 45° anticlockwise.
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Remove metal ring at the top of the case with a flat screwdriver (spudger, pick or any thin flat tool will do). While doing this be careful not to puncture the elastic rubber underneath.
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The case can be opened and the contents removed by pressing the front of the toothbrush against a surface.
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The metal bracket that lies over the whole interior must be unclipped. (last photo - red circle - on both sides).
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Carefully remove the fine copper wires of the charging coil from the white plastic clip.
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Unsolder the front solder tab of the battery on the PCB. It is best to use fine tweezers on the edge of the solder taband heat the solder with the soldering iron at the same time. When the solder is liquifying, the solder tab can be bent open.
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The rear solder tab of the battery is difficult to unsolder because the white bracket above the board and the fine copper wires are in the way. Simply pinch off the solder tab near the PCB with sharp pliers.
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When the two solder tabs of the battery are free, the battery can be pulled out to the rear.
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Insert the new battery with + to the front, i.e. in the direction of the brush, and solder the solder tabs.
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Clip the long metal bracket back onto the inner unit.
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The whole assembly can now be placed back into the case.
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Slide the silver ring back on from the front.
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Use the charger to assist with screwing the bottom cover back on to the case.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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2 Comments
Hallo. Siehst du du auch eine Chance den Teil vor dem Motor (Getriebe und so weiter) zu trennen und mal gründlich zu reinigen? Ich habe das jetzt mal mit Luft ausgeblasen, aber lieber wäre mir ich könnte den Teil mal irgendwo einlegen.
Das Öffnen klappt jedenfalls prima. Danke für die Anleitung!
