Introduction
Keeping your device water-proof is paramount in using it to its full potential. Follow this guide to replace the water-proofing O-ring.
Tools
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            Gently stretch the new O-ring and place it in position on the clear cover. Make sure it is flush with the flange and not interfering with the locking threads 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.