TM 10-8400-203-23
Change 10 26-21
To remove, repair, and replace the earcup Tension/Adjustment Strap, first make sure camouflage cover is
removed from shell. Open ratchet buckles on retention system, and pull adjustment straps out of ratchet
buckles. Fully extract adjustment strap. Perform this procedure for both sides. Unsnap the back piece of the
tension strap assembly. Replace damaged components as necessary. Attach right headset tension strap to
faceguard attachment strut by sliding tension strap through slot opening. Slide tension strap through tunnel on
Earcup as shown. With ratchet adjustment lock open, slide strap end through adjustment lock slightly, but still
comfortable. Close adjustment lock. Repeat procedure for other side. To release, and before removing helmet,
pull up on adjustment lock buckles and slide straps sufficiently back to clear ears.
Figure 26-18. Headset Tension Assembly
26-8 REPAIR - Continued
Shell
Ratchet lock
buckles
Back piece of
tension strap
assembly
Faceguard
Strut
Slot opening
Earcup tunnel
Earcup
Adjustment
Strap