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TM 11-5830-263-20&P
3.9.6
Microphone Removal and Replacement (ACAPS Type B and CAPS Type II)
NOTE
The removal and replacement procedures for both the microphone and cable assemblies
shown above, (M-172, Fig. 3-23 and M-173 Fig. 3-24) are identical, even though the
microphones are different, the attachment points and hardware are the same. The Figure
and Item numbers used are referenced from Fig. 3-23.
NOTE
If defective/lost the two setscrews securing the microphone cable to the microphone can
be removed/replaced.
a. Removal
1. Using a flat head screwdriver loosen but do not remove the two setscrews (4) securing
microphone cable (8) to microphone (5).
2. Disconnect microphone cable (8) from microphone (5).
3. Using a flat head screwdriver remove screw (3) securing microphone (5) to boom assembly
(1). If a thumbscrew is used to secure microphone (5) to boom assembly (1) simply unscrew
until free from boom assembly (1).
4. Spread arms of boom assembly (1) and remove microphone (5).
b. Replacement
1. Spread arms of boom assembly (1) and place microphone (5) between boom guides.
2. Insert screw (3) through unthreaded end of boom assembly (1) guide bearings and using a
flat head screwdriver tighten until secured. If a thumbscrew is utilized hand tighten until
secured.
3. Using a flat head screwdriver loosen but do not remove two setscrews (4) on microphone (5).
4. Connect microphone cable (8) to microphone (5) and holding firmly in place tighten the two
setscrews (4) with flat head screwdriver until microphone cable (8) is secured to microphone
(5).
3.9.7
Microphone Cable Assembly Removal and Replacement (ACAPS TYPE B and CAPS
NOTE
Tighten setscrews after removal of microphone cable to prevent loss until microphone
cable is replaced.
a. Removal
1. Remove microphone clip (2) securing microphone cable assembly (8) to boom assembly (1)
and set aside.
2. Using a flat head screwdriver loosen but do not remove the two setscrews (4) securing the
microphone cable (8) to the microphone (5).
3. Disconnect microphone cable (8) from microphone (5) and headset.
b. Replacement
1. Plug microphone cable assembly (8) jack into headset receptacle.
2. Connect microphone cable (8) to microphone (5) and holding firmly in place, tighten the two
setscrews (4) with flat head screwdriver until microphone cable is secured.
3. While holding microphone cable assembly (8) against boom assembly (1) arm secure with
microphone clip (2).
3-26


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