5. Align the straps of the replacement retention assembly within the helmet and
install the retention assembly using hardware removed in step 3. Applying
Weldwood glue #281 to the first two threads of each screw, insert the screws
through holes previously used. Tighten the screws securely, but do not
overtighten.
6. Reinstall the energy-absorbing liner.
7. Reinstall the TPL.
8. Reinstall the earcups as in Replacement Procedure 3, Steps 10 - 11.
9. Recheck the helmet fit.
REPLACEMENT PROCEDURE 3:
REPLACING EARCUPS AND EARPHONES
NOTE
Replacement of the earphone does not require earcup
removal. If replacing the earphone only, perform steps 4, 5, 7,
8 and 9.
1. Pull the earcup away from the cross straps; pull retention cloth back toward
the shell to expose the raised tabs on the earcup edge.
2. Insert a small, flat-tip screwdriver between the earcup and the retention
assembly as shown in Figure 15.
3. Work the screwdriver carefully around the edge of the earcup and lift the
retention cloth over the earcup tabs until the earcup is free of the cloth.
NOTE
You may rotate the earcup slightly within the retention
assembly to allow room for the screwdriver between the earcup
and the retention assembly.
16
Figure 15. Earcup Removal
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