S 975-170
(10)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-324
(11)
Calculate zone 9 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-325
(12)
Make sure zone 9 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-171
(13)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 10 of the main deck cargo compartment.
-
STA 1504, RBL 3.0
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STA 1529, RBL 5.0
-
STA 1553, RBL 3.0
-
STA 1577, RBL 3.0
-
STA 1592, RBL 3.0
(14)
Make sure the air velocity is 150 feet per minute at each orifice.
S 975-326
(15)
Calculate zone 10 smoke sampling port velocity delta (PVD), use the following formula:
S 975-172
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
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26-14-00
ALL ú ú 13 Page 524 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 975-327
(16)
Make sure zone 10 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-173
(17)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 11 of the main deck cargo compartment.
-
STA 1635, RBL 26.0
-
STA 1635, RBL 62.0
-
STA 1697, RBL 3.0
-
STA 1721, RBL 3.0
-
STA 1745, RBL 7.0
-
STA 1769, RBL 3.0
S 975-174
(18)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-328
(19)
Calculate zone 11 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-329
(20)
Make sure zone 11 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-155
(21)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 12 of the main deck cargo compartment.
-
STA 1770, LBL 90.0
-
STA 1808, LBL 66.2
-
STA 1833.8, LBL 66.2
-
STA 1866.3, LBL 66.2
-
STA 1891.2, LBL 66.2
-
STA 1930, LBL 90.9
NOTE: Examine velocity in feet per minute.
____
S 975-156
(22) Make sure the air velocity is 150 feet per minute minimum at each orifice.
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26-14-00
ALL ú ú 13 Page 525 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 975-330
(23) Calculate zone 12 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-331
(24)
Make sure zone 12 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-157
(25)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 13 of the main deck cargo compartment.
-
STA 1793, RBL 3.0
-
STA 1817, RBL 7.0
-
STA 1841, RBL 3.0
-
STA 1865, RBL 3.0
-
STA 1889, RBL 7.0
-
STA 1913, RBL 3.0
S 975-158
(26)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-332 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(65)
