Neck Dam Assembly - Aqua Lung G3000SS Operation & Maintenance Manual

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Step 41: Install nose clearing device
(62) through the inside of helmet
shell (1).
Step 1: Place front portion of neck
dam into the front of the helmet.
Use neck retainer (21) to push the
back side of the neck dam in place.
Step 1: Lightly lubricate quad ring
(65) and install in groove of upper
neck ring (66).
Aqua Lung G3000SS Diving Helmet Operations & Maintenance Manual
ORAL / NASAL ASSEMBLY
Step 42: Screw NCD knob (64)
into the nose clearing device (62).

NECK DAM ASSEMBLY

QUAD RING INSTALLATION
Step 43: NCD installed outside
view (No oral-nasal mask).
Step 2: Check operation of both
latch assemblies. Photos shows
neck retainer with right latch
catch open.
Step 2: Quad ring (65) installed.