26-14-00
ALL ú ú 13 Page 521 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 975-117
(17)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-316
(18)
Calculate zone 5 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-317
(19)
Make sure zone 5 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-215
(20)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 6 of the main deck cargo compartment.
-
STA 1015.5, RBL 3.0
-
STA 1061.5, RBL 60.0
-
STA 1061.5, RBL 3.0
-
STA 1061.5, LBL 60.0
-
STA 1138.5, RBL 3.0
S 975-119
(21)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-318
(22)
Calculate zone 6 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-319
(23) Make sure zone 6 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
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26-14-00
ALL ú ú 13 Page 522 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
J. Smoke Sampling Port Air Flow Test (zones 7-16)
S 975-165
(1) Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 7 of the main deck cargo compartment.
-
STA 1181.5, RBL 6.0
-
STA 1181.5, RBL 3.0
-
STA 1181.5, LBL 60.0
-
STA 1226.5, RBL 3.0
-
STA 1256.5, RBL 60.0
-
STA 1256.5, LBL 60.0
NOTE: Examine velocity in feet per minute.
____
S 975-166
(2)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-320
(3)
Calculate zone 7 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
S 975-321
(4)
Make sure zone 7 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-167
(5)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 8 of the main deck cargo compartment.
-
STA 1261.5, RBL 3.0
-
STA 1323.5, RBL 3.0
-
STA 1361.5, RBL 60.0
-
STA 1361.5, RBL 3.0
-
STA 1361.5, LBL 60.0
S 975-168
(6)
Make sure the air velocity is 150 feet per minute minimum at each orifice.
S 975-322
(7)
Calculate zone 8 smoke sampling port velocity delta (PVD), use the following formula:
PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-14-00
ALL ú ú 13 Page 523 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 975-323
(8)
Make sure zone 8 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
S 975-169
(9)
Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 9 of the main deck cargo compartment.
-
STA 1409, RBL 60.0
-
STA 1409, LBL 60.0
-
STA 1442.5, RBL 5.0
-
STA 1466.5, RBL 3.0
- 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(64)
