TM 1-8415-215-12&P
3-5. Energy-Absorbing Liner and Thermoplastic Liner.
INITIAL SETUP TABLE
TOOLS
MATERIALS/PARTS
PERSONNEL REQUIRED
General Aircraft
NONE
A.L.S.E.
Mechanics Tool Kit
Specialist/Technician
or Personnel with ASI
of H2/02 (ALSE Qualified)
Spatula/Tongue depressor
NOTE
In many cases, it is possible to remove the energy-absorbing liner without removing the earcups. You
may wish to bypass Removal step 2 and Installation step 3.
Removal
1. Squeezing sides of thermoplastic liner, remove it from helmet (Figure 3-2).
2. Remove earcups from retention assembly per paragraph 3-8, removal steps 1 thru 5. Allow earcups to hang by
communications cord.
3. Using any type of flat tool (flat-tip screwdriver, spatula, tongue depressor, etc.) separate hook-and-pile fastener
attaching energy-absorbing liner to helmet shell; slide liner out through back of helmet.
3-12
