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© ⅯⅯⅩⅢ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318002
Chapter 3 - Setting Up to Dive
Kirby Morgan
®
37SS
The diver inserts the tongue on the neck dam/ring assembly
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 .
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
under the hat on the diver’s shoulders. Make sure the
lowest part of the head cushion containing the neck
foam is tucked in close to the divers head and neck.
This material must be clean of the neck dam sealing
area at the base of the helmet. The diver inserts the
tongue on the neck dam/ring assembly into the swing
tongue catch on the bottom front of the helmet.
Grasp the base of the helmet with your fingers and
push the neck dam/ring up into the neck ring on the
base of the helmet. Again check for head cushion
neck foam interference. The neck dam ring fits very
snugly in the neck ring.
The diver then tilts his head and the helmet forward
and swings the locking collar up over his shoulders.
Push the locking collar/neck pad assembly up into
position until it locks with the sealed pull pins.
Rotate the sealed pull pins into the locking position.
B
WARNING
Both sealed pull pins must properly
click into position on the base of the
helmet. If the pins are not engaged
correctly the neck dam/ring assembly
may not seal and the helmet could
flood. The diver could drown as a
result.
If you have not positioned the sealed pull pins into
the locking position, do it now with the locking
collar/neck pad assembly in place.
3.8.6 Testing the Breathing System
Test the defogger system by turning on and off the
defogger control knob. There should be no leakage
when the valve is closed. The regulator should be
adjusted by turning the adjustment knob out until a
