(2)
The replacement of a sign without damage
(3)
The replacement of a damaged sign.
B. Each sign is always on. It a plastic container that holds capsules filled with a dangerous radioactive tritium gas. The gas gives the lighting.
C. The sign is safe, unless it is broken. If the sign gets a hole or a crack, the radioactive gas can come out.
D. The radioactive gas can cause injury to you. It is dangerous to breathe the gas or to permit the gas to be absorbed by your skin. If you break a sign, go away from the sign. Tell other persons to go away from the sign.
E. Before you go near the damaged sign again, clean air must flow around the sign. Make an air conditioning system come on for a sufficient time. The air conditioning system can be the one on the airplane or a ground system.
F. During the servicing of the sign, the air you breathe must be continuously changed. This is to give you protection from the radioactive gas, if the sign breaks. Make sure an air conditioning system is on. The air conditioning system can be the one on the airplane or a ground system.
G. When you remove a sign, put it in a metal container that has no air leaks. Since the sign is radioactive, you must obey the local government regulations about radioactive materials. There are regulations on how to keep, move, or discard radioactive materials. Keep the container away from persons. Make sure there is a good airflow around the container.
H. Do not repair a sign. Only the manufacturer of the sign can repair it. You must obey all the applicable government regulations when you send the sign to the manufacturer.
I. For data on the government regulations about radioactive materials, speak or write to a person in one of these groups:
(1)
The radiation protection group at your airline
(2)
If you are in the United States of America (U.S.A.), the Nuclear Regulatory Commission (NRC)
(a) If you are in a state with an agreement with the NRC, then obey the regulations of that state. Get the data about the regulations from a person in one of these groups: 1) The medical group at your airline
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A 737-300/400/500MAINTENANCE MANUAL
SELF-ILLUMINATED EXIT SIGN
Self-Illuminated Exit Sign Replacement
Figure 201
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A
737-300/400/500MAINTENANCE MANUAL
2) The state health department.
(b) If you are in a state that does not have an agreement with the NRC, then obey the regulations of the NRC. Get the data about the regulations from a person in one of these groups: 1) The medical group at your airline 2) The NRC Regional Office.
(3)
The local government, if you are in a country other than the U.S.A.
(4)
If you cannot get the data from your airline or the government, write or speak to one of these groups:
(a) Safety Light Corporation 4150-A Old Berwick Road Bloomsburg, Pennsylvania 17815, U.S.A.
Telephone: (717) 784-4344
Telex: (510) 655-2634
(b) Safety, Health & Radiation Protection Information & Support Services Attention: Larry Proud The Boeing Company
ú P.O. Box 3707, MS 7A-WK Seattle, Washington 98124-2207, U.S.A.
ú Emergency Telephone: (425) 865-3737 ú Fax: (425) 865-6596
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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