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ORAL-NASAL MASK (continued)
Step 9: Install oral-nasal mask (37)
onto the regulator mouthpiece.
Step 10: Install nose clearing
device (62) into the helmet
shell (1).
Step 11: Secure NCD knob (64)
on the NCD shaft (62). Ensure
that it is snug.
Step 12: Always check before
diving to ensure that no threads
are visible in order to prevent
loosing the knob (64).
Step 13: Inside view of installed
oral-nasal mask assembly.
Step 7: Install microphone
(30) in the right pocket of the
oral-nasal mask (37).
Step 8: Point microphone wire
downwards.
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Aqua Lung G3000SS Diving Helmet Operations & Maintenance Manual