INTRODUCTION
mability hazard.
4. Be sure that no other equipment interferes with the
respirator facial seal, the user’s ability to operate the
respirator, or other necessary means of mobility.
For more information on respirator use and performance
standards, please consult the following publications:
ANSI Standard Z88.5, Practices for Respiratory Protection
for the Fire Service; and, ANSI Standard Z88.2, Practices
for Respiratory Protection.
American National Standards Institute, 1430 Broadway,
New York, NY 10018.
OSHA Safety and Health Standards (29 CFR 1910) (see
specifically Part 1910.134), available from the
Superintendent of Documents, U. S. Government Printing
Office, Washington, DC 20402.
Compressed Gas Association, Inc., 1725 Jefferson Davis
Hwy., Suite 1004, Arlington, VA 22202.
1. Read and observe all NIOSH and other approval
limitations as they apply to using the breathing
apparatus.
2. DO NOT use the respirator as an underwater
device.
3. This system must be supplied with respirable
[Quality Verification Level (Grade) D, see ANSI/CGA
G-7.1] or higher quality air; and a dew point not to
exceed -65°F (24ppm v/v) [Compressed Gas
Association Specification G-7.1 for Quality
Verification Level (Grade) D Gaseous Air].
4. This device may not seal properly with your face if
you have a beard, gross sideburns or similar physi-
cal characteristics (see NFPA-1500 and ANSI
Z88.2). An improper facial seal may allow contami-
nants to leak into the facepiece, reducing or elimi-
nating respiratory protection. Do not use this
device if such conditions exist. The face-to-face-
piece seal must be tested before each use. Never
remove the facepiece except in a safe, non-haz-
ardous non-toxic atmosphere.
5. Return to a safe atmosphere immediately if discol-
oration, crazing, blistering, cracking or other dete-
rioration of the lens material is observed.
6. Users must wear suitable protective clothing and
precautions must be taken so that the respirator is
not exposed to atmospheres that may be harmful.
7. Take into account the following factors which may
affect the duration or the service life.
a. the degree of physical activity of the user;
b. the physical condition of the user;
c. the degree that the user’s breathing rate is
increased by excitement, fear, or other emotional
factors;
d. the degree of training or experience which the
user has had with this or similar equipment;
e. whether or not the cylinder is fully charged;
f. the presence in the compressed air of carbon
dioxide concentrations greater than the .04%
level normally found in atmospheric air;
g. the atmospheric pressure; if used in a pressur-
ized tunnel or caisson at 2 atmospheres (15 psig
gauge) the duration will be one-half as long as
when used at 1 atmosphere; at 3 atmospheres
the duration will be one-third as long;
h. the condition of the apparatus.
8.
DO NOT modify the respirator.
Failure to follow these warnings can result in serious
personal injury or death.
Particles and contaminants can enter a supplied-air
respirator system when air supply hoses are discon-
nected and/or reconnected in a contaminated atmos-
phere. This could result in serious injury or death
depending on the toxicity of the contaminant involved.
It is the responsibility of the user to determine the
potential risk and to take the necessary precautions
which may include a requirement that NO disconnec-
tion or reconnection of air-supply hoses be permitted
in a contaminated atmosphere. If in doubt DO NOT
disconnect and/or reconnect.
3
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