TM 1-8415-215-12&P
3-8. Earcups and Earphones.
INITIAL SETUP TABLE
TOOLS
MATERIALS/PARTS
PERSONNEL REQUIRED
General Aircraft
A.L.S.E.
Mechanics Tool Kit
Specialist/Technician
or Personnel with ASI
of H2/Q2 (ALSE Qualified)
Removal
1. Carefully remove cushion insert earphone and earphone from earcup; do not pull the wires out of the terminals.
NOTE
Some earphone leads are secured with internal wrenching set screws requiring an hex key for removal.
Others are secured with common slotted screws.
2. Remove cord leads from earphone using a small flat-tip screwdriver or hex key as required.
3. Remove rubber grommet and communications cord from earcup.
NOTE
You are now ready to remove earcup. To make this task easier, it is recommended that you begin by
rotating earcup a quarter turn counterclockwise.
Figure 3-6. SPH-4B Earcup Assembly
3-18
