4. Carefully remove the earphone holder and the earphone from the earcup.
(See Figure 16.)
5. Remove the earphone from the earphone holder. Remove the cord leads
from the earphone using a jeweler’s screwdriver or a hex wrench as
required.
6. Remove the communications cord and the grommet from the earcup.
7. Insert the communications cord and the grommet into the replacement
earcup. Attach the communications cord leads to the replacement earphone
using a jeweler’s screwdriver or a hex key as required. Ensure filler pad is
installed into earcup prior to starting the next step.
8. Insert the earphone into the earphone holder, and insert both into the
replacement earcup, ensuring the earphone holes are positioned toward the
ear.
9. Install the earseal on the earcup (if not already installed).
10. Position the earcup into the retention assembly so that the retention
assembly is between raised tabs on earcup.
11. Carefully insert screwdriver
from outside the retention
assembly as shown in
Figure 17, and lift the
retention cloth over the
earcup tabs.
12. Repeat the procedure for
the other earcup as
required.
13. Recheck the helmet fit.
17
Figure 16. Earcup Assembly
Figure 17. Earcup Replacement
EARSEAL
EARPHONE HOLDER
EARPHONE
FILLER PAD
EARCUP
EARCUP
SPACER
PADS
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