Separating The Side Block Assembly From The Helmet Shell - Kirby Morgan 77 Operation And Maintenance Manual

7.4.3 Separating the Side Block Assembly
from the Helmet Shell
Tools Required:
Putty Knife,
7/16 inch socket with driver
5/32 hex key (hex key screwdriver is helpful)
Nut that secures stud
Air train
Air train body
The nut seen here secures both the air train and the
sideblock.
The fasteners that secure the sideblock also hold
the air train in place.
© ⅯⅯⅩIⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318003
Alignment screw
inserts here
Side block assembly
Remove the alignment stud from within the air
train body.
1) Removal of the side block assembly requires remov-
ing the air train.
2) Remove the nut and washer that help to secure the
air train using the 7/16 inch socket.
3) Next, the alignment screw that also helps to secure
the side block is removed from the recess in the air
train body.
Air train
(installs inside helmet)
Helmet shell
Kirby Morgan 77
®
81