
Model C960 Headset Intercom System
Replacement Parts and Service
3M 2001 August
3--
8
Figure 3-5.
Replacing the Mic Boom Assembly
Tools Required:
Phillips screwdriver
Razor blade
Sm all, flat -blade screwdriver ( jeweler ’s t ype)
Needlenose pliers
Procedure:
1 Remove the ear pad as s hown i n Figure 3 -1.
2. Remove the headband and the battery.
See Figure 3-2.
3. Remove the outer case and and the two keypads
and set them aside. See Figure 3-2.
!
Caution
The headset PWA is not fastened to the inner case
assembly. Be careful not to strain the speaker
battery contact and microphone leads that are
connected to the PWA.
4. Carefully unplug the microphone and speaker
connectors from the headset PWA, and set the
PWA aside. See Figure 3-3.
5. Remove the mic boom lock as shown in
Figure 3-6.
6. Remove the mic boom base from the mic boom.
See Figure 3-6.
7. Route the mic boom assembly through the hole in
the inner case assembly. See Figure 3-6.
8. Install the new mic boom assembly and
reassemble the headset in the reverse order of
disassembly.