TM 3-4240-334-20&P

TM 3-4240-334-20&P
e. Voicemitter Replacement.
INITIAL SETUP
Tools
Tool Kit, Electronic Equipment TK
105G (Item 1, App B, Sect. III)
REMOVAL
CAUTION
When performing maintenance on the facepiece assembly, do not scratch the
plastic lenses.
Keep work area clean. Dirt in or on items could prevent airtight integrity.
1.
2.
3.
4.
Pry tapered end of retaining ring (1) out of outlet valve cover (2).
Work retaining ring (1) out of groove in outlet valve cover (2).
Carefully remove voicemitter (3).
Remove voicemitter gasket (4).
INSTALLATION
1. Insert new gasket (4) into outlet valve cover (2).
2. Install voicemitter (3) in outlet valve cover (2).
NOTE
Make sure gasket is laying flat in outlet valve cover.
NOTE
Make sure four pins near center of voicemitter are pointing out.
3. Insert one end of retaining ring (1) in groove in
outlet valve cover (2) and hold in place.
4. Work retaining ring (1) into groove until fully
seated.
2-53