1

Unscrew the cover of the driver

2

Loose the cover of the driver

3

Unscrew the voice coil diaphragm

4

Loose it from the driver

5

Clean the air gap

6

Replace the new diaphragm onto the driver

7

Fix it onto the center and put the screws onto the same position

8

Tighten the screws

9

Fit the cover onto the driver

10

Tighten the screws