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KMACS 5 MANUAL
© 2003 KMDSI Document # 041112001
inform top side that he is, “Leaving the bottom.” The
KMACS 5 operator should carefully note the time in
the dive log. The KMACS 5 operator must monitor
the diver’s rate of ascent carefully, observing his
watch and the pneumo gauge (C,P) . There is no need
to pneumo the diver as he ascends because the air in
the pneumo hose will automatically expand and vent
the hose as the diver approaches the surface.
2.12 DECOMPRESSION
If the diver has decompression stop(s) required as a
result of his dive, slow the diver’s ascent as he ap-
proaches his first stop. Upon reaching his first stop,
the diver should assume a relaxed and comfortable
position in the water. A weighted line or some other
apparatus should be provided to the diver to assist
him in maintaining a proper depth. Decompression
in mid-water, without a line or other method of fixing
the diver’s depth, is NOT acceptable as it is impos-
sible to maintain an exact depth without something
to hang onto.
An accurate pneumo should be taken at the diver’s
decompression stop. There should be no unnecessary
slack in the diver’s hose, i.e., no part of the umbili-
cal should be lower than the diver, as this will give
a false reading (deeper) of the diver’s depth. Make
sure the end of the pneumo hose is held at the diver’s
chest with the open end pointing down.
2.13 COMPLETION OF DIVING
OPERATIONS
Immediately following the completion of diving
operations the dive station should be disassembled
and the KMACS 5 protected from the weather.
Both high pressure and low pressure air supplies
should be turned off at their source. Bleed the
air from the diver’s umbilical(s) by opening the
free flow valve(s) on the diver’s mask/helmet(s).
Disconnect the mask/helmet(s) from the umbilical
and the umbilical from the KMACS 5. Unplug the
communications connectors and turn off the com-
municator (R). Plug both ends of the hose and cap
the outlet manifold (G) nipples on the KMACS 5
to prevent foreign matter from entering either.
Open the bleed valves on the HP yokes (S) to allow
any remaining air to vent and replace the yokes on
their storage posts. Disconnect the low pressure
air source if used and cap the low pressure inlet
(N) to prevent foreign substances from entering
the KMACS 5.
If the KMACS 5 has been used on the ocean the
panels should be wiped down with a clean rag
dampened with fresh water. The O-ring seal (U) on
the case may be periodically treated with Armor-All
or other rubber protection.
Place the KMACS 5 in a dry area and recharge the
communications.
Refill any high pressure cylinders (scuba) used
during diving operations and store them in a secure
location.
Fig. 11 All of the outlet fittings on the KMACS 5 must be
capped prior to storage.