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DANGER: Never use any aerosol
propelled sprays near the face port of the
Kirby Morgan 18A/B and 28. The Freon
propellant used in these aerosols can
invisibly damage the face port and cause
it to shatter upon impact from any strong
blow. If the face port fails underwater the
Band Mask will flood and drowning may
result.
Fig. 2.9 A thin film of liquid detergent should be applied
to the mask lens prior to diving.
2.3.2 Flushing Out The Umbilical
Before connecting the umbilical to the mask, the
umbilical must be flushed out to remove any dirt,
moisture, or other debris.
Connect the topside umbilical end to the topside
diver control console. Insure there is no pressure
in the divers umbilical. Carefully uncap the mask
end of the umbilical and hold securely while
pointing in a safe direction, then slowly bring up
gas pressure to approximately 25-40 psig (1.7-
2.7 bar). Allow the gas to flow for at least 15
seconds, then secure. If the mask is not going to
be used immediately, it should be recapped.
Document # 010518001 © Copyright 1970-2003 Kirby Morgan Dive Systems, Inc. All rights reserved.
KMB 18 & 28 MANUAL
2.3.3 Auxiliary Gas System
If the divers main gas supply fails, the diver must
have another source of gas that will enable a safe
return to the dive station or to a point where a
normal gas supply can be reestablished. For this
reason an auxiliary gas supply (bail out) cylinder
must be used on all dives. The bail out cylinder is
normally worn on the back using a combination
backpack and lifting harness. In some cases divers
wear a lifting harness with an independent back-
pack for securing the auxiliary gas cylinder. Re-
gardless which configuration is used, a good
quality lifting harness should always be worn by
the diver. The harness provides an attachment
point where the umbilical can be secured to the
diver and a secure lift point when removing an
injured or unconscious diver from the water.
An auxiliary bail out cylinder must be used for all
diving operations. In some cases, a very small
auxiliary bail out cylinder is mounted horizon-
tally across the lower rear or front of the torso.
Selection of the size of the cylinder is usually
Fig. 2.10 The diver must always wear a bail-out bottle.
page 23
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