TM 5-4220-225-14
4-26. Helmet Communications (Cont).
(2) Replace speaker. (figure 4-28)
NOTE
There is a left and right hand speaker, the procedures to replace them are the same.
(a) Remove helmet liner (1).
(b) Remove speaker (2) from holder (3).
(c) Loosen two setscrews (4) and tag and remove leads (5) from speaker (2).
(d) Connect leads (5) as tagged to new speaker (2) and tighten two setscrews (4).
(e) Install speaker (2) in holder (3).
(f)
Install helmet liner (1).
4-70