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SuperLite
®
17B
© ⅯⅯⅩⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 120613005
11
Decompression diving always involves the
risk of decompression sickness. Omitted
decompression due to a loss of the breath-
ing gas supply or other accidents can cause
serious injury or death. Use of a SL 17 cannot
prevent this type of injury.
DANGER
It is important for the user/diver to take
excessive currents into consideration. The
Quad-Valve™ exhaust PN#525-759 is now
standard on the SuperLite 17B. Unlike the
old latex double exhaust, the quad system
is not limited to a maximum depth of 150
FSW (46 msw) due to exhalation pressure.
WARNING
-Temperature Limitations: Use at water temperatures
below 33°F (1°C) requires the use of hot water shroud
PN# 525-100 and hot water to help prevent icing of
the demand regulator.
NOTE The Hot Water Shroud (Part #525-100) in
conjunction with hot water to the diver should be
used whenever diving operations are conducted
using HEO
2
at water temperatures less than 60°F
(15.56°C) for the comfort of the diver.
KMDSI further recommends that the shroud
be used in conjunction with hot water to the diver
whenever diving operations are conducted using
air or mixed gas, in waters colder than 33°F (1°C)
to reduce the possibility of demand regulator icing.
NOTE: Usually the greatest danger of demand
regulator icing will be encountered on deck when
the surrounding air temperature is less than 32°F
(0°C). This effect is primarily due to the refrigera-
tion effect of breathing air pressure reduction, and
the addition of moisture from the divers exhalation
coming in contact with the topside air temperature.
If diving where the water temperature is 33°F
(1°C) or warmer but the topside air temperature is
below freezing, (32°F (0°C) icing of the demand
regulator is possible. To help eliminate the possibil-
ity of freezing on the surface, warm water should be
run over the exterior of the demand regulator prior
to water entry, if the hot water system is not used.
Only equipment certified and tested according to EN
250/E DIN 58 642 may be used with the SL 17 helmet
when conducting diving operations in European EC
compliant countries.
The umbilical assembly should be composed of good
quality diving hose that meets industry standards.
Generally, gas hose will be married to the commu-
nications wire, pneumofathometer hose, and strength
member in a manner that will allow the strength
member to receive all the strain. There are also good
quality umbilicals available that are assembled at
the factory using a twisted method which does not
require marrying.
Regardless of the system used, the umbilical is the
diver’s life line and should always be of excellent
quality and maintained carefully.
WARNING
Gas systems used to supply Kirby Morgan
helmets and masks must be capable of sup-
plying gas to the diver at the required pres
-
sure and flow rates as stated in the opera-
tional specifications. The use of unregulated
gas sources is extremely dangerous.
The use of standard SCUBA type regulators
is unacceptable, as there are no provisions
for adjusting the intermediate pressure to
the diver. Only proven systems that allow for
varying the gas supply pressure to the diver
should be used for umbilical diving.
2.7 Helmet Features
All Kirby Morgan diving helmets are manufactured
by hand. Each step of the manufacturing process is
carefully controlled to assure the customer a high
quality, durable helmet that will function properly.
The SL 17 was developed in the late 1970s and it is
still one of the most popular diving helmets in the
world, a tribute to its timeless design.
The SL 17 incorporates an innovative locking system
and the SuperFlow
®
adjustable demand regulator
which provides an outstanding breathing gas flow
during peak work output.
The helmet consists of two pieces: the helmet shell/
helmet ring and the neck dam/yoke assembly. The
head cushion and yoke gives the diver a secure fit
in the helmet. The fit and balance seats the helmet
comfortably for long periods of time even when
working in the face down position.