Kirby Morgan 77 - Manual (Page 15)

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© Copyright 1970-2008 Kirby Morgan Dive Systems, Inc. All rights reserved. Document #080626002
Kirby Morgan 77
With the helmet face down, pull the sealed pull pins
and open the locking collar/neck pad assembly fully.
Be sure the head cushion is attached to the bottom
of the helmet. Pull the nose block device knob out
all the way.
Loosen the chin strap all the way. The helmet is worn
most comfortably when the chin cushion against the
diver’s chin with the chin strap outside of the chin
cushion.
Open the locking collar/neck pad assembly fully.
The locking collar must be completely open for the
diver to don the helmet.
With the locking collar/neck pad assembly fully open,
lift the helmet and place it over your head. Lower the
helmet onto the back of your head first, then pivot it
forward until your face is in position against the oral
nasal mask.
The locking collar/neck pad assembly must be open
and hanging down behind your shoulders. Tighten the
chin strap so that it is comfortable under your jaw.
Now, the neck dam/ring assembly is resting directly
The diver inserts the tongue on the neck dam/ring as-
sembly into the swing tongue catch. The tender must
check to see that this is properly engaged.
Push the neck dam/ring up into the neck ring on the
base of the helmet .