1) Take out the current stopper system.
2) Clean the headjoint inside.
3) Check the headjoint on material smoothness inside and be sure the headjoint is not oval and does not have any dents.
4) When everyting has been checked and there are no problems, unscrew the crown of the system and lightly grease the rubber ring of the system with acid free grease(vaseline).
5) Insert the system from the bottom of your headjoint to the top with your flute cleaning stick(best use a plastic or wooden one) and make sure you push exactly at the centre of the system. If you have to push too hard to get the system in the right place please stop and go to your repairman.
6) When the system is aproximately in the right position screw on the crown and adjust the position in order to tune your instrument.

The right position of the adjusting screw in the crown is completely dependent on your sound idea and we suggest you to insert the screw as deeply as possible and learn to know your "new" flute before experimenting with this possibility to change the tone. Inserting the adjusting screw will give you a more 'closed and classic' sound. For the most 'open and jazzy' sound you can leave out the adjustment screw.

The Dyna ® Flute System makes your flute sound much better than before.

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