TM 5-4220-225-14
5-14.
Communications Box (Cont).
(5)
Replace speaker. (figures 5-16, 5-17, and 5-18).
(a)
Remove necessary screws, spacers, washers, and boards to access speaker.
(b)
Identify wires for reassembly.
(c)
Remove speaker.
(d)
Install speaker and connect wires.
(e)
Install boards, spacers, washers and screws.
(6)
Replace press-to-talk and press-to-cross connect switches. (figures 5-16, 5-17, and 5-18).
NOTE
Replacement of the press-to-talk switches and press-to-cross connect switches are the
same.
(a)
Remove circuit boards to expose switches.
(b)
Remove and identify wires for reassembly.
(c)
Remove knob (para. 5-14(3)).
(d)
Remove switch.
(e)
Install switch.
(f)
Install knob (para. 5-14(3)).
(g)
Install circuit boards.
(7)
Replace switches S9 and S10. (figures 5-16, 5-17, and 5-18).
(a)
Remove and identify wires for reassembly.
(b)
Remove knob (para. 5-14(3)) (for switch S10 only).
(c)
Remove switch.
(d)
Install switch.
(e)
Install knob (para. 5-14(3)) (for switch S10 only).
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