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SuperLite
®
17B
36
© ⅯⅯⅩⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 120613005
3.8.4 Fogging Prevention
A thin film of anti-fogging solution may be applied
to the interior of the polycarbonate face port prior
to the dive to help prevent fogging during the dive. A
mild liquid dish washing soap, or other commercially
available anti-fogging solutions, may be applied with
a soft rag to the interior of the port.
The diver should use a solution which has been found
satisfactory in the past.
However, do not use an aero-
sol spray on the polycarbonate lens.
The propellants
in some aerosol dispensers cause damage to the lens.
3.8.3 Opening the Breathing Gas Supply to
the Helmet
Prior to turning on the air supply for the helmet,
check to see that the free flow valve is closed and the
regulator adjustment knob is all the way in.
Slowly bring up the gas pressure to the helmet to 150
(10.2 bar). Slowly back out on the regulator adjustment
knob until a slight free flow develops, then turn the
adjustment knob in (clockwise) until the free flow
just stops.
To properly check the breathing system you must
completely don the helmet.
Never use any aero-
sol propelled sprays
near the face port of
the any Kirby Morgan
helmet or band mask.
The propellant used
in these aerosols can
WARNING
invisibly damage the polycarbonate face
port and cause it to shatter upon impact
from any strong blow. If the face port
fails underwater the helmet will flood and
drowning may result.
Make sure that the regulator adjustment knob is
screwed in and the steady-flow valve is closed before
opening the air supply to the helmet.