How to change the dome on Phonak hearing aids

To change the dome on Phonak (RIC) hearing aid, follow these steps:   
 
1.    Hold the speaker in one hand and the dome in the other.   
2.    Gently pull off the dome to remove it.    
3.    Clean the speaker using a lint-free cloth.   
4.    Take a new dome from the package.   
5.    Slide the dome over the speaker's sound outlet. 
6.    Ensure that the speaker and the dome fit together perfectly.