3-9. Earcup Spacer Pads.
Install earcup spacer pads only if further fitting is required after cross straps have been adjusted.
Steps 2 and 3 are not required if pressure-sensitive pile exists on back of earcups.
Spacer pads can be cut to any shape shown in Figure 3-9 to balance earcup compression as
Use trial-and-error method when adding or trimming earcup spacer pads. Goal is to achieve
optimum noise reduction and most comfortable fit.
If necessary, trim pads to applicable shape.
Peel backing from adhesive side of pad.
Press adhesive side of pad against back of earcup.
Figure 3-9. Spacer Pad Applications