Removal Of Communications Assembly - Kirby Morgan 77 Operation And Maintenance Manual

Kirby Morgan 77
®
Inspect the mylar earphone.
8.15.3 Removal of Communications
Assembly
Tools Required: None
The communication module and retainer nut should
be checked daily for proper installation and tight-
ness. The best way to check is by simply loosen-
ing the mount nut by hand (Counter clockwise 1/8
to ¼ turn) then retightening by hand. Three fingers,
is all that is required. The module does not need to
be tightened excessively to maintain a proper seal.
The entire communications assembly can be re-
The microphone must be removed from the oral/
placed as follows:
nasal mask.
1) Slide the earphones out of the retainers.
2) Pull the microphone out of the oral/nasal mask.
The large plastic nut is removed from the
communications module.
Remove the earphones from the earphone
retainers.
© ⅯⅯⅩIⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318003 151