(27)
Calculate zone 13 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-333
(28) Make sure zone 13 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
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747-400 MAINTENANCE MANUAL
S 975-159
(29) Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 14 of the main deck cargo compartment.
-
STA 1937, RBL 3.0
-
STA 1961, RBL 5.0
-
STA 1985, RBL 3.0
-
STA 2009, RBL 3.0
-
STA 2033, RBL 5.0
-
STA 2057, RBL 3.0
S 975-160
(30)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-334
(31)
Calculate zone 14 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-335
(32)
Make sure zone 14 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-161
(33)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 15 of the main deck cargo compartment.
-
STA 2081, RBL 3.0
-
STA 2105, RBL 7.0
-
STA 2129, RBL 3.0
-
STA 2153, RBL 3.0
-
STA 2177, RBL 7.0
-
STA 2201, RBL 3.0
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL
S 975-162
(34)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-336
(35)
Calculate zone 15 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-337
(36)
Make sure zone 15 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-163
(37)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 16 of the main deck cargo compartment.
-
STA 2225, RBL 3.0
-
STA 2249, RBL 5.0
-
STA 2273, RBL 3.0
-
STA 2297, RBL 3.0
-
STA 2321, RBL 5.0
-
STA 2345, RBL 3.0
S 975-164
(38)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-338
(39)
Make sure zone 16 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-339
(40)
Calculate zone 16 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 975-343
(41)
Make sure zone 16 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 865-179
(42)
Remove the pressure from the pneumatic crossover duct (AMM 36-00-00/201).
S 435-067
(43) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 防火 FIRE PROTECTION 1(66)
